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PLANS PV System 2880 Kiowa Trail 2022-12-14
IMPORTANT PLEASE READ ALL ENCLOSED MATERIALS ALL INSPECTIONS ON THE INSEPCTION CHECKLIST MUST BE CALLED FOR AND SIGNED BY THE INSPECTOR BEFORE PROCEEDING WITH THE NEXT PHASE OF CONSTRUCTION ALL PERMITS MUST BE FINALED CALL FOR INSPECTIONS: 1.303.450.8748 All inspections must be called in before 4:00 pm the day before the inspection. BUILDERS, CONTRACTORS AND PROPERTY OWNERS THE FOLLOWING REQUIREMENTS MUST BE MET IN ORDER TO OBTAIN ANY BUILDING INSPECTIONS PER YOUR LOCAL INTERNATIONAL CODE REQUIREMENTS 1. THE JOB SITE ADDRESS MUST BE POSTED 2. THE BUILDING PERMIT CARD MUST BE ON SITE OR MADE AVAILABLE AT THE TIME OF INSPECTION 3. THE APPROVED SITE PLAN MUST BE ON SITE 4. APPROVED BLUEPRINTS INCLUDING ENGINEERED FOUNDATION AND TRUSS DESIGNS SHALL BE ON THE JOB SITE AT ALL TIMES 5. ANY REVISIONS MUST BE APPROVED / STAMPED AND ON SITE AT THE TIME OF INSPECTION 6. ALL REQUIRED INSPECTIONS MUST BE CALLED FOR AND APPROVED BY THE INSPECTOR BEFORE PROCEEDING WITH THE NEXT PHASE OF CONSTRUCTION ALL PERMITS MUST BE FINALED SANDBOX SOLAR, 430 NORTH COLLEGE AVE, FORT COLLINS, CO 80524 Subject: Structural Certification for Installation of Residential Solar re job:GORDON RESIDENCE, 2880 KIOWA TRAIL, ESTES PARK, CO 80517 Attn.: To Whom It May Concern ROOF 1: 175 mph Ground Snow:40 psf C Min Roof Snow:30 psf ROOF 1: AHZ Consulting Egineers Inc. Professional Engineer projects@ahzengineers.com Code:2018 IBC (ASCE 7-16) Ult Wind Speed: Exposure Cat: After review of the field observation report and based on our structural capacity calculations in accordance with applicable building codes, the existing roof framing supporting the proposed solar panel layout has been determined to be: adequate to support the imposed loads. Therefore, no structural upgrades are required. 11/24/2022 A field observation was performed to document the existing framing of the above mentioned address. From the field observation, the existing roof structure was observed as: Shingle roofing supported by 2x4 Truss @ 24 in. OC spacing. The roof is sloped at approximately 26.6 degrees and has a max beam span of 8 ft between supports. Design Criteria: www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 SANDBOX SOLAR 430 NORTH COLLEGE AVE FORT COLLINS, CO 80524 Attn.: To Whom It May Concern re job:GORDON RESIDENCE 2880 KIOWA TRAIL ESTES PARK, CO 80517 Design Criteria: Code:2018 IBC ASCE 7-16 Live Load:20 psf Ult Wind Speed:175 mph Exposure Cat:C Ground Snow:40 psf Min Roof Snow:30 AHZ Consulting Egineers Inc. Professional Engineer projects@ahzengineers.com 11/24/2022 The following calculations are for the structural engineering design of the photovoltaic panels and are valid only for the structural info referenced in the stamped plan set. The verification of such info is the responsibility of others. After review, I certify that the roof structure has sufficient structural capacity for the applied PV loads. All mounting equipment shall be designed and installed per manufacturer's approved installation specifications. www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 Date :11/24/2022 Job Code: GORDON RESIDENCE 2 of 6 Roof Properties: Roof Type = Roof Pitch (deg) = Mean Roof Height (ft) = Attachment Trib Width (ft) = Attachment Spacing (ft) = Framing Type = Framing Size = Framing OC Spacing (in.) = Section Thickness, b (in.) = Section Depth, d (in.) = Section Modulus, Sx (in.^3) = Moment of Inertia, Ix (in.^4) = Framing Span (ft) = Deflection Limit D+L (in.) = Deflection Limit S or W (in.) = Attachments Pattern = Framing Upgrade = Sister Size = Wood Species = Wood Fb (psi) = Wood Fv (psi) = Wood E (psi) = CD (Wind) = CD (Snow) = CLS = CM = Ct = CL = Ci = CF = Cfu = Cr = F'b_wind (psi) = F'b_snow (psi) = F'v_wind (psi) = F'v_snow (psi) = M_allowable_wind (lb-ft) = M_allowable_snow (lb-ft) = V_allowable_wind (lbs) = V_allowable_snow (lbs) =725 524 1008 207 729 2053 288 1.15 2857 1.5 1.00 1.15 1.0 1.6 1.15 180 1600000 DF #2 900 Adequate NA 1.07 Fully Staggered 8 1.6 3.1 5.4 1.5 3.5 2x4 24 4 Truss 13 2.75 Shingle 26.6 Roof 1 www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 Date :11/24/2022 Job Code: GORDON RESIDENCE 3 of 6 E' (psi) = Load Calculation: Panels Dead Load (psf) = Roofing Weight (psf) = Decking Weight (psf) = Framing Weight (psf) = Misc. Additional Weight (psf) = Existing Dead Load (psf) = Total Dead Load (psf) = Ground Snow Load, pg (psf) = Min Flat Snow, pf_min (psf) = Min Sloped Snow, ps_min (psf) = Snow Importance Factor, Ic = Exposure Factor, Ce = Thermal Factor, Ct = Flat Roof Snow, pf (psf) = Slope Factore, Cs = Sloped Roof Snow, ps (psf) = Ultimate Wind Speed (mph) = Directionality Factor, kd = Topographic Factor, kzt = Velocity Press Exp Factor, kz = Ground Elevation Factor, ke = Velocity Pressure, qz (psf) = Array Edge Factor, γE = Solar Equalization Factor, γa = External Pressure Up, GCp_1 = External Pressure Up, GCp_2 = External Pressure Up, GCp_3 = External Pressure Down, GCp = Design Pressure Up, p_1 (psf) = Design Pressure Up, p_2 (psf) =-100.3 0.6 -68.4 -2.2 -2.3 1.25 0.64 -1.5 0.85 1.00 56.6 175 0.85 1.0 Roof 1 30 Wind Load Calculations: 30.24 1.00 Roof 1 1.2 Snow Load Calculations: 40 30 NA 1.0 0.9 6.6 9.6 0.6 1.0 3.0 2.0 Dead Load Calculations: 3.0 Roof 1 1600000 www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 Date :11/24/2022 Job Code: GORDON RESIDENCE 4 of 6 Design Pressure Up, p_3 (psf) = Design Pressure Down, p (psf) = Hardware Checks: Ref. Widthrawal Value, W (lb/in) = (CM = Ct = Ceg = 1.0) CD = Adjusted Widthrawal Value, W' (lb/in) = Lag Penetration, p (in.) = Allowable Widthrawal Force, W'p (lbs) = Applied Uplift Force (lbs) = Uplift DCR = Ref. Lateral Value, Z (lbs) = (CM = Ct = CΔ = Ceg = 1.0) CD = Adjusted Lateral Value, Z' (lbs) = Applied Laeral Force (lbs) = Angle of Resultant Force, α (deg) = Adjusted Interaction Lateral Value, Z'α (lbs) = Lateral DCR = Roof Framing Checks: LC1: D+S Applied Moment (lb-ft) = Applied Shear (lbs) = Allowable Moment (lb-ft) = Allowable Shear (lbs) = Moment DCR = Shear DCR = LC2: D+0.6W Applied Moment (lb-ft) = Applied Shear (lbs) = Allowable Moment (lb-ft) = Allowable Shear (lbs) = Moment DCR = Shear DCR = 0.38 0.21 729 1008 277 208 0.81 0.44 524 725 319 Force Checks: Roof 1 425 964 0.17 164 78 1.15 311 0.73 270 1064 -777 426 2.5 266 1.6 Lag Screw Checks: Roof 1 27.4 -104.8 www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 Date :11/24/2022 Job Code: GORDON RESIDENCE 5 of 6 LC3: D+0.75(S+0.6W) Applied Moment (lb-ft) = Applied Shear (lbs) = Allowable Moment (lb-ft) = Allowable Shear (lbs) = Moment DCR = Shear DCR = LC4: 0.6D+0.6W Applied Moment (lb-ft) = Applied Shear (lbs) = Allowable Moment (lb-ft) = Allowable Shear (lbs) = Moment DCR = Shear DCR = LC1: D+L Deflection (in.) = Deflection Limit (in.) = Deflection DCR = LC2: S Deflection (in.) = Deflection Limit (in.) = Deflection DCR = LC3: W (Down) Deflection (in.) = Deflection Limit (in.) = Deflection DCR = LC4: W (Up) Deflection (in.) = Deflection Limit (in.) = Deflection DCR = Seismic Check: Wall Weight (psf) = Tributary Wall Area (ft2) = Total Wall Weight (lbs) = Roof Weight (psf) = 1000 17000 7 0.10 Existing Weight: 17 -0.12 1.23 1.23 0.04 0.11 0.05 0.13 1.23 1.84 0.03 Deflection Checks (Service Level): Roof 1 0.06 0.52 0.28 729 1008 376 282 0.65 0.35 729 1008 476 357 www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 Date :11/24/2022 Job Code: GORDON RESIDENCE 6 of 6 Roof Area (ft2) = Total Roof Weight (lbs) = Total Existing Weight (lbs) = PV Panel Weight (lbs) = Number of Panels = Total Additional PV Weight (lbs) = (Existing W + Additional W)/(Existing W) =103% The increase in weight as a result of the solar system is less than 10% of the existing structure and therefore no further seismic analysis is required. Limits of Scope of Work and Liability: Existing structure is assumed to have been designed and constructed following appropriate codes at time of erection, and assumed to have appropriate permits. The calculations produced are only for the roof framing supporting the proposed PV installation referenced in the stamped planset and were completed according to generally recognized structural analysis standards and procedures, professional engineering and design experience, opinions and judgements. Existing deficiencies which are unknown or were not observable during time of inspection are not included in this scope of work. All PV modules, racking, and mounting equipment shall be designed and installed per manufacturer's approved installation specifications. The Engineer of Record and the engineering consulting firm assume no responsibility for misuse or improper installation. This analysis is not stamped for water leakage. Framing was determined based on information in provided plans and/or photos, along with engineering judgement. Prior to commencement of work, the contractor shall verify the framing sizes, spacings, and spans noted in the stamped plans, calculations, and cert letter (where applicable) and notify the Engineer of Record of any discrepancies prior to starting construction. Contractor shall also verify that there is no damaged framing that was not addressed in stamped plans, calculations, and cert letter (where applicable) and notify the Engineer of Record of any concerns prior to starting construction. Additional PV Weight: 54 20 1089 Weight Increase: 2400 15844 32844 www.ahzengineers.com REVIEWED BY SAFEBUILT 12/14/2022 DIRECTORY OF PAGES PV-1 PROJECT SUMMARY PV-2 SITE PLAN PV-3 SINGLE-LINE DIAGRAM PV-4 SAFETY LABELS PV-5 ATTACHMENT PLAN PV-6 ATTACHMENT DETAILS PV-7 FIRE SAFETY PLAN AP P E N D I X ELECTRICAL CALCULATIONS MODULE DATASHEET INVERTER DATASHEET ARRAY WIRING BOX DATASHEET DISCONNECT DATASHEET MOUNTING SYSTEM DATASHEET MOUNTING SYSTEM ENGINEERING LETTER UL 2703 CLASS A FIRE CERTIFICATION UL 2703 GROUNDING AND BONDING CERTIFICATION ANCHOR DATASHEET PROJECT DETAILS PROPERTY OWNER MATTHEW GORDON PROPERTY ADDRESS 2880 KIOWA TRAIL, ESTES PARK, CO 80517 APN R1596236 ZONING RESIDENTIAL USE AND OCCUPANCY CLASSIFICATION ONE- OR TWO-FAMILY DWELLING GROUP (GROUP R3) AHJ ESTES PARK LIGHT AND POWER UTILITY COMPANY PUBLIC SERVICE CO OF COLORADO ELECTRICAL CODE 2020 NEC (NFPA 70) FIRE CODE 2015 IFC OTHER BUILDING CODES IBC 2015 CONTRACTOR INFORMATION COMPANY SANDBOX SOLAR ADDRESS 430 N. COLLEGE AVE, FORT COLLINS, CO 80521 PHONE NUMBER (970) 673-7733 CONTRACTOR SIGNATURE SCOPE OF WORK THIS PROJECT INVOLVES THE INSTALLATION OF A GRID- INTERACTIVE PV SYSTEM. PV MODULES WILL BE MOUNTED USING A PREENGINEERED MOUNTING SYSTEM. THE MODULES WILL BE ELECTRICALLY CONNECTED WITH DC TO AC POWER INVERTERS AND INTERCONNECTED TO THE LOCAL UTILITY USING MEANS AND METHODS CONSISTENT WITH THE RULES ENFORCED BY THE LOCAL UTILITY AND PERMITTING JURISDICTION. THIS DOCUMENT HAS BEEN PREPARED TO DESCRIBE THE DESIGN OF A PROPOSED PV SYSTEM WITH ENOUGH DETAIL TO DEMONSTRATE COMPLIANCE WITH APPLICABLE CODES AND REGULATIONS. THE DOCUMENT SHALL NOT BE RELIED UPON AS A SUBSTITUTE FOR FOLLOWING MANUFACTURER INSTALLATION INSTRUCTIONS. THE SYSTEM SHALL COMPLY WITH ALL MANUFACTURERS INSTALLATION INSTRUCTIONS, AS WELL AS ALL APPLICABLE CODES. NOTHING IN THIS DOCUMENT SHALL BE INTERPRETED IN A WAY THAT OVERRIDES THEM. CONTRACTOR IS RESPONSIBLE FOR VERIFICATION OF ALL DETAILS IN THIS DOCUMENT. SYSTEM DETAILS DESCRIPTION NEW GRID-INTERACTIVE PHOTOVOLTAIC SYSTEM WITH NO ENERGY STORAGE DC RATING OF SYSTEM 8.00KW AC OUTPUT RATINGS 6.98KW, 29.0A INVERTER(S) 20 X ENPHASE IQ8A-72-2-US MODULE REC SOLAR REC400AA PURE ARRAY WIRING (2) BRANCH OF 10 IQ8A-72-2-US MICROINVERTERS INTERCONNECTION DETAILS POINT OF INTERCONNECTION NEW LOAD-SIDE AC CONNECTION PER NEC 705.12(B)(3)(2) AT MSP UTILITY SERVICE 120/240V 1Φ ELECTRICAL PANEL MAIN SERVICE PANEL W/ TOP-FED 225A BUSBAR 200A MCB SITE DESIGN PARAMETERS ASHRAE EXTREME LOW -28°C (-18°F) ASHRAE 2% HIGH 22°C (72°F) CLIMATE DATA SOURCE BOULDER 14 W WIND (ASCE 7-16)175 MPH, EXPOSURE CATEGORY C, RISK CATEGORY II GROUND SNOW LOAD 40 PSF 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 PROJECT SUMMARY DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-1 12/14/2022 APPROVED Subject to inspection and compliance to all relevant adopted Building and Municipal codes. Changes in plans MUST be approved. 2015 I-CODES 2015 IECC 22-EP-00824 PRINT PLANS IN COLOR AND HAVE FOR INSPECTOR AT TIME OF INSPECTION INSTALLATION INSTRUCTIONS AND MANUALS MUST BE ON JOB FOR THE INSPECTOR AT THE TIME OF INSPECTION FOR ALL EQUIPMENT. GENERAL NOTES 1 EQUIPMENT LIKELY TO BE WORKED UPON WHILE ENERGIZED SHALL BE INSTALLED IN LOCATIONS THAT SATISFY MINIMUM WORKING CLEARANCES PER NEC 110.26. 2 24/7 UNESCORTED KEYLESS ACCESS SHALL BE PROVIDED TO ALL PUBLIC SERVICE CO OF COLORADO EQUIPMENT. 3 CONTRACTOR SHALL USE ONLY COMPONENTS LISTED BY A NATIONALLY RECOGNIZED TESTING LABORATORY FOR THE INTENDED USE. 4 CONTRACTOR IS RESPONSIBLE FOR FURNISHING ALL EQUIPMENT, CABLES, ADDITIONAL CONDUITS, RACEWAYS, AND OTHER ACCESSORIES NECESSARY FOR A COMPLETE AND OPERATIONAL PV SYSTEM. 5 ALL EMT CONDUIT FITTINGS SHALL BE LISTED AS WEATHERPROOF FITTINGS AND INSTALLED TO ENSURE A RAINTIGHT FIT, PER NEC 358.42. (N) PROPOSED ROOF-MOUNTED PHOTOVOLTAIC ARRAY. 6/12 (26.6°) SLOPED ROOF, 20 PV MODULES (BLACK FRAME, BLACK BACKSHEET), 159° AZIMUTH (E) MAIN SERVICE PANEL (MSP), INDOOR (N) TRANSITION BOX (JB1), OUTDOOR, OUTPUT CIRCUIT CONDUCTORS SHALL BE RUN IN EMT CONDUIT THROUGH THE INTERIOR OF THE BUILDING (N) VISIBLE-OPEN TYPE, LOCKABLE, READILY ACCESSIBLE, LABELED PV SYSTEM DISCONNECT LOCATED WITHIN 10 FT OF UTILITY METER (SW1), OUTDOOR (N) AC COMBINER (C1), OUTDOOR (E) UTILITY METER, OUTDOOR ALL ARRAY CIRCUITS SHALL BE ROUTED THROUGH THE INTERIOR OF THE BUILDING, AND WHERE POSSIBLE, ALONG THE BOTTOM OF LOAD BEARING MEMBERS. NO CONDUIT SHALL BE INSTALLED ABOVE THE ROOF. 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 SITE PLAN DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-2 1 2 3 4 56 REVIEWED BY SAFEBUILT 12/14/2022 PV MODULE MICROINVERTER PM1-20 400W 10 IN BRANCH 10 IN BRANCH 11 1 2 3 4 5 6 7 JUNCTION BOX JB1 32 AC COMBINER COMM GATEWAY C1CB2 20A CB1 20A 4 8 9 SW1 30A 5 SQUARE D DU221RB PV DISCONNECT LOADS MAIN SERVICE PANEL (E) AC GEC KWHR LOAD LINE KWHR LOAD LINE UTILITY METER (E) SQUARE D 120/240V 1ɸ, 3W 225A BUSBAR (TOP-FED) 200A MAIN BREAKER (E) 200A CB3 40A 10 11 12 13 MODULES REF.QTY.MAKE AND MODEL PMAX PTC ISC IMP VOC VMP TEMP. COEFF. OF VOC FUSE RATING PM1-20 20 REC SOLAR REC400AA PURE 400W 381W 10.28A 9.51A 48.8V 42.1V -0.1171V/°C (-0.24%/°C)25A INVERTERS REF.QTY .MAKE AND MODEL AC VOLTAGE GROUND RATED POWER MAX OUTPUT CURRENT MAX INPUT CURRENT MAX INPUT VOLTAGE CEC WEIGHTED EFFICIENCY I1-20 20ENPHASE IQ8A-72-2-US 240V NOT SOLIDLY GROUNDED 349W 1.4A 15.0A 60V 97.0% DISCONNECTS REF.QTY.MAKE AND MODEL RATED CURRENT MAX RATED VOLTAGE SW1 1 SQUARE D DU221RB OR EQUIV.30A 240VAC OCPDS REF.QTY.RATED CURRENT MAX VOLTAGE AIC CB1-2 2 20A 240VAC 10KA CB3 1 40A 240VAC 10KA PASS-THRU BOXES AND COMBINERS REF.QTY .MAKE AND MODEL RATED CURRENT MAX RATED VOLTAGE JB1 1 TRANSITION BOX FOR 2 CIRCUITS 30A 240VAC / 600VDC C1 1 ENPHASE IQ COMBINER 4C W/ IQ GATEWAY FOR PRODUCTION MONITORING 64A 240VAC SYSTEM SUMMARY BRANCH 1 BRANCH 2 INVERTERS PER BRANCH 10 10 MAX AC CURRENT 14.50A 14.50A MAX AC OUTPUT 3,490W 3,490W ARRAY STC POWER 8,000W ARRAY PTC POWER 7,620W MAX AC CURRENT 29A MAX AC POWER OUTPUT 6,980W DERATED AC POWER OUTPUT 6,980W RAPID SHUTDOWN DEVICES COMPLIANT WITH REQUIREMENTS AS PER NEC 690.12(B)(2). PV CIRCUIT CONDUCTORS LOCATED OUTSIDE THE ARRAY BOUNDARY (DEFINED AS 3 FEET FROM THE POINT OF PENETRATION INTO A BUILDING OR MORE THAN 3 FEET FROM AN ARRAY) SHALL BE LIMITED TO NOT MORE THAN 30V WITHIN 30 SECONDS OF RAPID SHUTDOWN INITIATION. CONDUCTORS LOCATED INSIDE OF THE ARRAY BOUNDARY SHALL BE LIMITED TO NOT MORE THAN 80 VOLTS WITHIN 30 SECONDS OF SHUTDOWN. 1 ENPHASE SYSTEM MEETS REQUIREMENTS FOR PV HAZARD CONTROL SYSTEM, AS PER NEC 690.12(B)(2).2 THE DC AND AC CONNECTORS OF THE ENPHASE IQ8A-72-2-US AND ARE LISTED TO MEET REQUIREMENTS AS A DISCONNECT MEANS AS ALLOWED BY NEC 690.15(C). MATING CONNECTORS SHALL COMPLY WITH NEC 690.33. 3 THE ENPHASE IQ8A-72-2-US HAS A CLASS II DOUBLE-INSULATED RATING AND DOES NOT REQUIRE GROUNDING ELECTRODE CONDUCTORS (GEC) OR EQUIPMENT GROUNDING CONDUCTORS (EGC). THE RATING INCLUDES GROUND FAULT PROTECTION (GFP). TO SUPPORT GFP, USE ONLY PV MODULES EQUIPPED WITH DC CABLES LABELED PV WIRE OR PV CABLE. 4 MICROINVERTER BRANCH CIRCUIT CONDUCTORS ARE MANUFACTURED ENPHASE Q CABLES LISTED FOR USE IN 20A OR LESS CIRCUITS OF ENPHASE IQ MICROINVERTERS. THEY ARE ROHS, OIL RESISTANT, AND UV RESISTANT. THEY CONTAIN TWO 12 AWG CONDUCTORS OF TYPE THHN/THWN-2 DRY/WET AND CERTIFIED TO UL 3003 AND UL 9703. 5 ALL METAL ENCLOSURES, RACEWAYS, CABLES AND EXPOSED NONCURRENT-CARRYING METAL PARTS OF EQUIPMENT SHALL BE GROUNDED TO EARTH AS REQUIRED BY NEC 250.4(B) AND PART III OF ARTICLE 250 AND DC EQUIPMENT GROUNDING CONDUCTORS SHALL BE SIZED ACCORDING TO NEC 690.45. THE GROUNDING ELECTRODE SYSTEM SHALL ADHERE TO NEC 690.47(A) AND NEC 250.169 AND INSTALLED IN COMPLIANCE WITH NEC 250.64. 6 MAX DC VOLTAGE OF PV MODULE IS EXPECTED TO BE 55.0V AT -28°C (-27.8°C - 25°C) X -0.117V/C + 48.8V = 55.0V).7 AC AGGREGATION PANEL BUSBAR AND THE OVERCURRENT PROTECTION PROTECTING THE BUSBAR SHALL BE SIZED IN ACCORDANCE WITH NEC 705.12(B)(3)(3).8 THE ENPHASE IQ COMBINER 4C CONTAINS A FACTORY-INSTALLED COMMUNICATIONS GATEWAY WITH AN OCPD RATED NO MORE THAN 20A.9 POINT-OF-CONNECTION IS ON LOAD SIDE OF SERVICE DISCONNECT, IN COMPLIANCE WITH NEC 705.12(B)(3)(2). OUTPUT IS BACKFED THROUGH BREAKER IN MAIN PANEL. THE SUM OF 125% OF POWER SOURCE(S) OUTPUT CURRENT (29A X 1.25 = 36A) AND THE MAIN BREAKER (200A) DOES NOT EXCEED 120% OF BUSBAR RATING (225A X 1.20 = 270A). 36A + 200A <= 270A 10 THE PV BREAKER SHALL BE LOCATED AT THE OPPOSITE END OF THE BUSBAR FROM THE MAIN BREAKER. IT SHALL NOT BE MARKED FOR "LINE" AND "LOAD".11 PV SYSTEM DISCONNECT SHALL BE A VISIBLE KNIFE-BLADE TYPE DISCONNECT THAT IS ACCESSIBLE AND LOCKABLE BY THE UTILITY IN ACCORDANCE WITH NEC 690.13(E). THE DISCONNECT SHALL BE LOCATED WITHIN 10 FT OF UTILITY METER AND INSTALLED IN COMPLIANCE WITH NEC 705.20 AND GROUPED AS REQUIRED BY NEC 230.72. 12 PV SYSTEM DISCONNECT MEETS NEC 690.12(C) REQUIREMENT FOR A RAPID SHUTDOWN INITIATION DEVICE13 CONDUCTOR AND CONDUIT SCHEDULE W/ELECTRICAL CALCULATIONS ID TYP CONDUCTOR CONDUIT / CABLE CURRENT-CARRYING CONDUCTORS IN CONDUIT/CABLE. OCPD EGC TEMP. CORR. FACTOR FILL FACTOR CONT. CURRENT MAX. CURRENT (125%) BASE AMP.DERATED AMP. TERM. TEMP. RATING AMP. @ TERM. TEMP. RATING LEN. V.D. 1 2 12 AWG THHN/THWN-2 IN ENPHASE Q CABLE, COPPER CABLE 2 20A 6 AWG BARE, COPPER 0.87 (44°C)1.0 14.5A 18.13A 40A 35A 90°C 40A 131.2FT 1.57% 2 1 10 AWG THWN-2, COPPER 0.75" DIA. EMT 4 20A 10 AWG THWN-2, COPPER 0.87 (42°C)0.8 14.5A 18.13A 40A 28A 90°C 40A 12.4FT 0.19% 3 1 10 AWG THWN-2, COPPER 0.75" DIA. EMT 4 20A 10 AWG THWN-2, COPPER 0.87 (42°C)0.8 14.5A 18.13A 40A 28A 90°C 40A 12.4FT 0.19% 4 1 8 AWG THWN-2, COPPER 0.75" DIA. EMT 2 40A 10 AWG THWN-2, COPPER 1.04 (22°C)1.0 29A 36.25A 55A 57.2A 75°C 50A 48IN 0.08% 5 1 8 AWG THWN-2, COPPER 0.75" DIA. EMT 2 40A 10 AWG THWN-2, COPPER 1.04 (22°C)1.0 29A 36.25A 55A 57.2A 75°C 50A 86IN 0.14% REVISIONS PROJECT ID: CREATED BY: CHECKED BY: DATE: SCALE: GR I D - T I E D S O L A R P O W E R S Y S T E M ES T E S P A R K , C O 8 0 5 1 7 28 8 0 K I O W A T R A I L PV-3 1535 10/26/22 I.S. 0F216A-1 SINGLE-LINE DIAGRAM GO R D O N R E S I D E N C E 1 PV-3 SINGLE-LINE DIAGRAM NTS GROUNDING NOTES 1 ALL EQUIPMENT SHALL BE PROPERLY GROUNDED PER THE REQUIREMENTS OF NEC ARTICLES 250 & 690 2 PV MODULES SHALL BE GROUNDED TO MOUNTING RAILS USING MODULE LUGS OR RACKING INTEGRATED GROUNDING CLAMPS AS ALLOWED BY LOCAL JURISDICTION. ALL OTHER EXPOSED METAL PARTS SHALL BE GROUNDED USING UL-LISTED LAY-IN LUGS. 3 INSTALLER SHALL CONFIRM THAT MOUNTING SYSTEM HAS BEEN EVALUATED FOR COMPLIANCE WITH UL 2703 "GROUNDING AND BONDING" WHEN USED WITH PROPOSED PV MODULE. 4 IF THE EXISTING MAIN SERVICE PANEL DOES NOT HAVE A VERIFIABLE GROUNDING ELECTRODE, IT IS THE CONTRACTOR'S RESPONSIBILITY TO INSTALL A SUPPLEMENTAL GROUNDING ELECTRODE. 5 AC SYSTEM GROUNDING ELECTRODE CONDUCTOR (GEC) SHALL BE A MINIMUM SIZE #8AWG WHEN INSULATED, #6AWG IF BARE WIRE. 6 EQUIPMENT GROUNDING CONDUCTORS SHALL BE SIZED ACCORDING TO NEC ARTICLE 690.45, AND BE A MINIMUM OF #10AWG WHEN NOT EXPOSED TO DAMAGE, AND #6AWG SHALL BE USED WHEN EXPOSED TO DAMAGE 7 GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE COLOR CODED GREEN, OR MARKED GREEN IF #4AWG OR LARGER GENERAL ELECTRICAL NOTES 1 UTILITY HAS 24-HR UNRESTRICTED ACCESS TO ALL PHOTOVOLTAIC SYSTEM COMPONENTS LOCATED AT THE SERVICE ENTRANCE. 2 CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS SUNLIGHT RESISTANT PER NEC ARTICLE 300.6 (C) (1) AND ARTICLE 310.10 (D). 3 CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE FOR USE IN WET LOCATIONS PER NEC ARTICLE 310.10 (C). REVIEWED BY SAFEBUILT 12/14/2022 LOAD SIDE NOTES PV BREAKER TO BE LOCATED AT THE END OF BUSBAR AT THE FURTHEST LOCATION AWAY FROM MAIN BREAKER LABEL PV BREAKER AND ALL NEW OR RELOCATED BREAKERS GROUNDING PER THE 2020 NEC 1.45A C1 - AC COMBINER (ENPHASE IQ COMBINER 4C) SW1 - DISCONNECT (SQUARE D DU221RB) UTILITY METER CB3 (MODEL NOT SPECIFIED) MSP - MAIN SERVICE PANEL (SQUARE D) SEE NOTE NO. 4 (MSP) SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN TURN RAPID SHUTDOWN SWITCH TO THE 'OFF' POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY. NEC690.56(C)(1) AND IFC1205.4.1 AC COMBINER PANEL (C1) ! WARNING ! THIS EQUIPMENT FED BY MULTIPLE SOURCES. TOTAL RATING OF ALL OVERCURRENT DEVICES, EXCLUDING MAIN SUPPLY OVERCURRENT DEVICE SHALL NOT EXCEED AMPACITY OF BUSBAR. NEC705.12(B)(3)(3) POINT-OF-INTERCONNECTION OR AT MAIN SERVICE DISCONNECT (MSP, M1) ! CAUTION: MULTIPLE SOURCES OF POWER ! POWER TO THIS BUILDING IS ALSO SUPPLIED FROM A ROOF-MOUNTED SOLAR ARRAY WITH SAFETY DISCONNECTS AS SHOWN INSTALLED BY SANDBOX SOLAR • (970) 673-7733 NEC690.56(B),705.10 AC DISCONNECT (SW1, CB3 IN MSP) MAXIMUM AC OPERATING CURRENT: 29.0A MAXIMUM AC OPERATING VOLTAGE: 240V NEC690.54 SEE NOTE NO. 5 (SW1) RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM NEC690.56(C)(3) AND IFC1205.4.3 EACH DISCONNECTING MEANS FOR PHOTOVOLTAIC EQUIPMENT (SW1, CB3 IN MSP) ! WARNING ! ELECTRIC SHOCK HAZARD. TERMINALS ON BOTH LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION. NEC690.13(B) AC SOLAR DISCONNECT (SW1, CB3 IN MSP) PV SYSTEM DISCONNECT NEC690.13(B) ANY AC ELECTRICAL PANEL THAT IS FED BY BOTH THE UTILITY AND THE PHOTOVOLTAIC SYSTEM (MSP) ! CAUTION ! MULTIPLE SOURCES OF POWER NEC705.10 SOLAR BREAKER (MSP) ! WARNING ! POWER SOURCE OUTPUT CONNECTION. DO NOT RELOCATE THIS OVERCURRENT DEVICE. NEC705.12(B)(3)(2) LABELING NOTES 1 ALL PLAQUES AND SIGNAGE REQUIRED BY 2020 NEC AND 2021 IFC WILL BE INSTALLED AS REQUIRED. 2 LABELS, WARNING(S) AND MARKING SHALL COMPLY WITH ANSI Z535.4, WHICH REQUIRES THAT DANGER, WARNING, AND CAUTION SIGNS USED THE STANDARD HEADER COLORS, HEADER TEXT, AND SAFETY ALERT SYMBOL ON EACH LABEL. THE ANSI STANDARD REQUIRES A HEADING THAT IS AT LEAST 50% TALLER THAN THE BODY TEXT, IN ACCORDANCE WITH NEC 110.21(B). 3 A PERMANENT PLAQUE OR DIRECTORY SHALL BE INSTALLED PROVIDING THE LOCATION OF THE SERVICE DISCONNECTING MEANS AND THE PHOTOVOLTAIC SYSTEM DISCONNECTING MEANS IF NOT IN THE SAME LOCATION IN ACCORDANCE WITH NEC 690.56(B). 4 LABEL(S) WITH MARKING, "TURN RAPID SHUTDOWN SWITCH TO THE 'OFF' POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY," SHALL BE LOCATED WITHIN 3 FT OF SERVICE DISCONNECTING MEANS THE TITLE SHALL UTILIZE CAPITALIZED LETTERS WITH A MINIMUM HEIGHT OF 3/8″ IN BLACK ON A YELLOW BACKGROUND, AND REMAINING TEXT SHALL BE CAPITALIZED WITH A MINIMUM HEIGHT OF 3/16″ IN BLACK ON WHITE BACKGROUND 5 LABEL(S) WITH MARKING, "RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM," SHALL BE LOCATED WITHIN 3 FT OF RAPID SHUTDOWN SWITCH THE LABEL SHALL HAVE 3/8″ TALL LETTERS AND BE REFLECTIVE WITH WHITE TEXT ON A RED BACKGROUND 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 SAFETY LABELS DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-4 REVIEWED BY SAFEBUILT 12/14/2022 STRUCTURAL DESIGN PARAMETERS SEISMIC 0.272 SDS WIND (ASCE 7-16)175 MPH, EXPOSURE CATEGORY C, RISK CATEGORY II GROUND SNOW LOAD 40 PSF ROOF PROPERTIES ROOF MATERIAL COMPOSITION SHINGLE (1 LAYER) SLOPE 6/12 (26.6°) MEAN ROOF HEIGHT 14.3FT ROOF DECKING 15/32" OSB CONSTRUCTION TRUSSES (2X4 TOP-CHORD), 24IN OC MODULE MECHANICAL PROPERTIES MODEL REC SOLAR REC400AA PURE DIMENSIONS (AREA)71.7IN X 40.0IN X 1.2IN (19.9 SQ FT) WEIGHT 45.2LB MOUNTING SYSTEM PROPERTIES RAIL MODEL IRONRIDGE XR100 ANCHOR MODEL UNIRAC 004085D, 2.5IN AIR GAP FASTENING METHOD 2.5 INCH EMBEDMENT INTO TRUSSES WITH (1) 5/16IN DIA. FASTENER GROUNDING AND BONDING INTEGRAL GROUNDING CERTIFIED TO UL 2703 REQUIREMENTS DEAD LOAD CALCULATIONS LOAD QTY LBS TOTAL LBS MODULES 20 45.2 903.9 MICROINVERTERS 20 1.1 21.6 LINEAR FEET OF RAIL 135 FT 0.7 92.1 ANCHORS 38 0.2 9.5 MISC. HARDWARE 16.5 16.5 TOTAL ARRAY WEIGHT 1043.6 LBS AREA NAME QTY SQFT TOTAL SQFT MODULES 20 19.9 398.0 POINT LOAD (1043.6 LBS / 38 ATTACHMENTS)27.5 LBS DIST. LOAD (1043.6 LBS / 398.0 SQFT)2.62 PSF NOTES 1 TRUSS LOCATIONS ARE APPROXIMATE. CONTRACTOR MAY NEED TO MAKE MINOR ADJUSTMENTS TO ANCHOR LOCATIONS. IN NO CASE SHALL THE ANCHOR SPACING EXCEED "MAX. ANCHOR SPACING" ANCHOR PLACEMENT PARAMETERS (ASCE 7-16) WIND PRESSURE ZONE MODULE WIND EXPOSURE MAX. ALLOWABLE RAIL SPAN MAX. ANCHOR SPACING MAX. ALLOWABLE CANTILEVER ZONES 1, 2E NORMAL 79.0IN 48.0IN 31.6IN ZONES 2N, 2R, 3E NORMAL 66.0IN 48.0IN 26.4IN ZONES 3, 3R NORMAL 63.0IN 48.0IN 25.2IN DISTANCE α IS EQUAL TO 10% OF THE BUILDING'S LEAST HORIZONTAL DIMENSION ("LHD") OR 40% OF THE MEAN ROOF HEIGHT, WHICHEVER IS SMALLER, BUT NOT LESS THAN 4% OF THE LHD OR 3 FT. THESE SETBACKS ARE APPLIED TO THE BUILDING FOOTPRINT AND PROJECTED TO THE ROOF PLANES IN ACCORDANCE WITH GUIDANCE PROVIDED BY ASCE 7-16 FIGURES 30.3-2B–I. α = MAX(MIN(0.4 * MEAN ROOF HEIGHT, 0.1 * LHD), 0.04 * LHD, 3 FT) 4.9 FT = MAX(MIN(0.4 * 14.3 FT, 0.1 * 48.8 FT), 0.04 * 48.8 FT, 3 FT) 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 ATTACHMENT PLAN DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-5 REVIEWED BY SAFEBUILT 12/14/2022 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 ATTACHMENT DETAILS DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-6 REVIEWED BY SAFEBUILT 12/14/2022 GENERAL NOTES 1 AT LEAST TWO 3′-WIDE PATHWAYS ON SEPARATE ROOF PLANES, FROM LOWEST ROOF EDGE TO RIDGE, SHALL BE PROVIDED ON ALL BUILDINGS, WITH AT LEAST ONE PATHWAY ON THE STREET OR DRIVEWAY SIDE OF THE ROOF. FOR EACH ROOF PLANE WITH A PV ARRAY, AT LEAST ONE SUCH PATHWAY FROM LOWEST ROOF EDGE TO RIDGE SHALL BE PROVIDED ON THE SAME ROOF PLANE, OR ON AN ADJACENT ROOF PLANE, OR STRADDLING THE SAME AND ADJACENT ROOF PLANES. (IFC 1205.2.1.1) 2 FOR PV ARRAYS OCCUPYING 33% OR LESS OF THE PLAN VIEW TOTAL ROOF AREA, A MIN. 18″-WIDE SETBACK IS REQUIRED ON BOTH SIDES OF A HORIZONTAL RIDGE. (IFC 1205.2.1.2) 3 PV MODULES SHALL NOT BE PLACED BELOW AN EMERGENCY ESCAPE/RESCUE OPENING. A MIN. 3′-WIDE PATHWAY SHALL BE PROVIDED TO SUCH AN OPENING. (IFC 1205.2.2) 4 ROOF FACES WITH NO PV ARE DESIGNATED FOR FIRE VENTILATION AND ACCESS 1.5′ WIDE SMOKE-VENTILATION SETBACK, PER IFC 1205.2.1.2 3.0′ WIDE FIRE ACCESS PATHWAY, PER IFC 1205.2.1.1 PV MODULES INSTALLED ON ROOF WITH IRONRIDGE ROOF MOUNTING SYSTEM. THE MOUNTING SYSTEM IS UL 2703 CLASS A FIRE RATED ON THIS STEEP-SLOPED ROOF WHEN INSTALLED WITH TYPE 1 OR 2 MODULES. THE REC SOLAR REC400AA PURE IS UL 61730-1 CERTIFIED TYPE 2. ROOF ACCESS POINT BUILDING IS GROUP R3 TOTAL PLAN VIEW ARRAY AREA IS 356.2 SQ.FT, WHICH REPRESENTS 10.9% OF TOTAL PLAN VIEW ROOF AREA (3274.6 SQ.FT) THIS SYSTEM UTILIZES MICROINVERTERS. THERE ARE NO DC CIRCUITS OUTSIDE OF THE ARRAY PERIMETER OR INSIDE THE BUILDING. ALL ARRAY CIRCUITS SHALL BE ROUTED THROUGH THE INTERIOR OF THE BUILDING, AND WHERE POSSIBLE, ALONG THE BOTTOM OF LOAD BEARING MEMBERS. NO CONDUIT SHALL BE INSTALLED ABOVE THE ROOF. 1535 GR I D - T I E D S O L A R P O W E R S Y S T E M GO R D O N R E S I D E N C E 28 8 0 K I O W A T R A I L ES T E S P A R K , C O 8 0 5 1 7 FIRE SAFETY PLAN DOC ID:0F216A-1 DATE:10/26/22 CREATOR:I.S. REVIEWER: REVISIONS PV-7 1 2 3 4 1 REVIEWED BY SAFEBUILT 12/14/2022 Conductor, Conduit, and OCPD Sizing Validation 1. Maximum System DC Voltage Test 1.1. Enphase microinverter system w/20 REC Solar REC400AA Pure (400W)s Array Properties Array Type Microinverter Array System Description Enphase microinverter system w/20 REC Solar REC400AA Pure (400W)s Module REC400AA Pure (400W) Highest number of modules in series in a PV Source Circuit 1 Design Low Temp.-27.8°C Module voc 48.8V Temp. Coefficient voc -0.117V/C NEC Code Calculations A. Maximum Voltage of PV Source Circuit 54.98V see 690.7(A) NEC 690.7(A) requires that if the PV module manufacturer provides a temperature coefficient of open-circuit voltage, it must be used to calculate the PV array's maximum system voltage. It includes an information note recommending the use of the ASHRAE 'Extreme Annual Mean Minimum Design Dry Bulb Temperature' as the design low temperature. Using these values, the module Voc (48.8V) will increase to 54.98V at the design low temperature ( -27.8°C). (-27.8°C - 25°C) X -0.117V/C + 48.8V = 54.98V The module Voc at the design low temperature is 54.98V. 54.98V X 1 = 54.98V NEC Code Validation Tests 1.PV Source Circuit maximum Voc must not exceed 600V 54.98V < 600V = true PASS 2. Wire, Conduit, and OCPD Code Compliance Validation 2.1. #1: Branch cables: Microinverter to Transition Box Circuit Section Properties Conductor 12 AWG THHN/THWN-2 in Enphase Q Cable, Copper Equipment Ground Conductor (EGC) 6 AWG Bare, Copper OCPD(s)20A Raceway/Cable Cable Lowest Terminal Temperature Rating 90°C Maximum Wire Temperature 44°C Power Source Description Branch of 10 IQ8A-72-2-US microinverters Power Source Current 14.5A Voltage 240V NEC Code Calculations A. Continuous Current 14.5A see Article 100 Equipment maximum rated output current is 10 X 1.45A = 14.5A B. Ampacity of Conductor 30A see Table 310.15(B)(16) Ampacity (30°C) for a copper conductor with 90°C insulation in conduit/cable is 30A. C. Derated Ampacity of Conductor 26.1A see Table 310.15(B)(3)(c), Table 310.15(B)(3)(a), and Article 100 The temperature factor for 90°C insulation at 44°C is 0.87. The fill factor for a conduit/cable that has 2 wires is 1. The ampacity derated for Conditions of Use is the product of the conductor ampacity (30A) multiplied by the temperature factor (0.87) and by the fill factor (1). 30A X 0.87 X 1 = 26.1A D. Max Current for Terminal Temp. Rating 30A see 110.14(C) The lowest temperature rating for this conductor at any termination is 90°C. Using the method specified in 110.14(C), the maximum current permitted to ensure that the device terminal temperature does not exceed its 90°C rating would be the amount referenced in the 90°C column in Table 310.15(B)(16), which is 30A. E. Minimum Allowed OCPD Rating 18A see 240.4 NEC 690.9(B) requires that the OCPD be rated for no less than 1.25 times the Continuous Current of the circuit. 14.5A X 1.25 = 18.12A rounded down to 18A F. Maximum Allowed OCPD Rating 20A see 240.4(D) NEC 240.4(D) requires that OCPD rating not exceed 20A when protecting a Copper 12 AWG conductor. G. Minimum Required EGC Size 12 AWG see Table 250.122 The smallest EGC size allowed is 12 AWG for OCPD rating 20A according to Table 250.122. NEC Code Validation Tests 1.OCPD rating must be at least 125% of Continuous Current (240.4) 20A >= 14.5A X 1.25 = true PASS 2.Derated ampacity must exceed OCPD rating, or rating of next smaller OCPD (240.4) 26.1A >= 20A (OCPD Rating) = true PASS 3.OCPD rating must not exceed max OCPD rating for conductor (240.4) 20 (OCPD Rating) <= 20A = true PASS 4.Derated Ampacity must be greater than or equal to the Continuous Current (Article 100) 26.1A >= 14.5A = true PASS 5.Conductor Ampacity must be at least 125% of Continuous Current (215.2(A)(1)) 30A > 14.5A x 1.25 = true PASS 6.Max current for terminal must be at least 125% of the Continuous Current. (110.14(C)) 30A >= 14.5A X 1.25 = true PASS 7.EGC must meet code requirements for minimum size (Table 250.122) 6 AWG >= 12 AWG = true PASS REVIEWED BY SAFEBUILT 12/14/2022 2.2. #2: AC Branch Output: Transition Box to AC Combiner Circuit Section Properties Conductor 10 AWG THWN-2, Copper Equipment Ground Conductor (EGC) 10 AWG THWN-2, Copper OCPD(s)20A Raceway/Cable 0.75" dia. EMT Lowest Terminal Temperature Rating 90°C Maximum Wire Temperature 42°C Power Source Description Branch of 10 IQ8A-72-2-US microinverters Power Source Current 14.5A Voltage 240V NEC Code Calculations A. Continuous Current 14.5A see Article 100 Equipment maximum rated output current is 10 X 1.45A = 14.5A B. Ampacity of Conductor 40A see Table 310.15(B)(16) Ampacity (30°C) for a copper conductor with 90°C insulation in conduit/cable is 40A. C. Derated Ampacity of Conductor 28A see Table 310.15(B)(3)(c), Table 310.15(B)(3)(a), and Article 100 The temperature factor for 90°C insulation at 42°C is 0.87. The fill factor for a conduit/cable that has 4 wires is 0.8. The ampacity derated for Conditions of Use is the product of the conductor ampacity (40A) multiplied by the temperature factor (0.87) and by the fill factor (0.8). 40A X 0.87 X 0.8 = 27.84A rounded to 28A D. Max Current for Terminal Temp. Rating 40A see 110.14(C) The lowest temperature rating for this conductor at any termination is 90°C. Using the method specified in 110.14(C), the maximum current permitted to ensure that the device terminal temperature does not exceed its 90°C rating would be the amount referenced in the 90°C column in Table 310.15(B)(16), which is 40A. E. Minimum Allowed OCPD Rating 18A see 240.4 NEC 690.9(B) requires that the OCPD be rated for no less than 1.25 times the Continuous Current of the circuit. 14.5A X 1.25 = 18.12A rounded down to 18A F. Maximum Allowed OCPD Rating 30A see 240.4(D) NEC 240.4(D) requires that OCPD rating not exceed 30A when protecting a Copper 10 AWG conductor. G. Minimum Required EGC Size 12 AWG see Table 250.122 and 690.45 The smallest EGC size allowed is 12 AWG for OCPD rating 20A according to Table 250.122. According to 690.45, it is not necessary to increase the size of the PV array's EGC when conductors are oversized for voltage drop considerations. H. Minimum Recommended Conduit Size 0.75" dia. see 300.17 The total area of all conductors is 0.1266in². With a maximum fill rate of 0.4, the recommended conduit diameter is 0.75. Qty Description Size Type Area Total Area 4 Conductor 10 AWG THWN-2 0.0211in² 0.0844in² 2 Equipment Ground 10 AWG THWN-2 0.0211in² 0.0422in² 6 0.1266in² 0.1266in² / 0.4 = 0.3165in² (Corresponding to a diameter of 0.75") NEC Code Validation Tests 1.OCPD rating must be at least 125% of Continuous Current (240.4) 20A >= 14.5A X 1.25 = true PASS 2.Derated ampacity must exceed OCPD rating, or rating of next smaller OCPD (240.4) 28A >= 20A (OCPD Rating) = true PASS 3.OCPD rating must not exceed max OCPD rating for conductor (240.4) 20 (OCPD Rating) <= 30A = true PASS 4.Derated Ampacity must be greater than or equal to the Continuous Current (Article 100) 28A >= 14.5A = true PASS 5.Conductor Ampacity must be at least 125% of Continuous Current (215.2(A)(1)) 40A > 14.5A x 1.25 = true PASS 6.Max current for terminal must be at least 125% of the Continuous Current. (110.14(C)) 40A >= 14.5A X 1.25 = true PASS 7.EGC must meet code requirements for minimum size (Table 250.122) 10 AWG >= 12 AWG = true PASS 8.Conduit must meet code recommendation for minimum size (300.17) 0.75in. >= 0.75in. = true PASS 2.3. #3: AC Branch Output: Transition Box to AC Combiner Circuit Section Properties Conductor 10 AWG THWN-2, Copper Equipment Ground Conductor (EGC) 10 AWG THWN-2, Copper OCPD(s)20A Raceway/Cable 0.75" dia. EMT Lowest Terminal Temperature Rating 90°C Maximum Wire Temperature 42°C Power Source Description Branch of 10 IQ8A-72-2-US microinverters Power Source Current 14.5A Voltage 240V NEC Code Calculations A. Continuous Current 14.5A see Article 100 Equipment maximum rated output current is 10 X 1.45A = 14.5A B. Ampacity of Conductor 40A see Table 310.15(B)(16) Ampacity (30°C) for a copper conductor with 90°C insulation in conduit/cable is 40A. C. Derated Ampacity of Conductor 28A see Table 310.15(B)(3)(c), Table 310.15(B)(3)(a), and Article 100 The temperature factor for 90°C insulation at 42°C is 0.87. The fill factor for a conduit/cable that has 4 wires is 0.8. The ampacity derated for Conditions of Use is the product of the conductor ampacity (40A) multiplied by the temperature factor (0.87) and by the fill factor (0.8). 40A X 0.87 X 0.8 = 27.84A rounded to 28A D. Max Current for Terminal Temp. Rating 40A see 110.14(C) The lowest temperature rating for this conductor at any termination is 90°C. Using the method specified in 110.14(C), the maximum current permitted to ensure that the device terminal temperature does not exceed its 90°C rating would be the amount referenced in the 90°C column in Table 310.15(B)(16), which is 40A. E. Minimum Allowed OCPD Rating 18A see 240.4 NEC 690.9(B) requires that the OCPD be rated for no less than 1.25 times the Continuous Current of the circuit. 14.5A X 1.25 = 18.12A rounded down to 18A F. Maximum Allowed OCPD Rating 30A see 240.4(D) NEC 240.4(D) requires that OCPD rating not exceed 30A when protecting a Copper 10 AWG conductor. G. Minimum Required EGC Size 12 AWG see Table 250.122 and 690.45 The smallest EGC size allowed is 12 AWG for OCPD rating 20A according to Table 250.122. According to 690.45, it is not necessary to increase the size of the PV array's EGC when conductors are oversized for voltage drop considerations. H. Minimum Recommended Conduit Size 0.75" dia. see 300.17 The total area of all conductors is 0.1266in². With a maximum fill rate of 0.4, the recommended conduit diameter is 0.75. Qty Description Size Type Area Total Area 4 Conductor 10 AWG THWN-2 0.0211in² 0.0844in² 2 Equipment Ground 10 AWG THWN-2 0.0211in² 0.0422in² 6 0.1266in² 0.1266in² / 0.4 = 0.3165in² (Corresponding to a diameter of 0.75") NEC Code Validation Tests 1.OCPD rating must be at least 125% of Continuous Current (240.4) 20A >= 14.5A X 1.25 = true PASS 2.Derated ampacity must exceed OCPD rating, or rating of next smaller OCPD (240.4) 28A >= 20A (OCPD Rating) = true PASS 3.OCPD rating must not exceed max OCPD rating for conductor (240.4) 20 (OCPD Rating) <= 30A = true PASS 4.Derated Ampacity must be greater than or equal to the Continuous Current (Article 100) 28A >= 14.5A = true PASS 5.Conductor Ampacity must be at least 125% of Continuous Current (215.2(A)(1)) 40A > 14.5A x 1.25 = true PASS 6.Max current for terminal must be at least 125% of the Continuous Current. (110.14(C)) 40A >= 14.5A X 1.25 = true PASS 7.EGC must meet code requirements for minimum size (Table 250.122) 10 AWG >= 12 AWG = true PASS 8.Conduit must meet code recommendation for minimum size (300.17) 0.75in. >= 0.75in. = true PASS REVIEWED BY SAFEBUILT 12/14/2022 2.4. #4: AC Combiner Output: AC Combiner to Utility Disconnect Circuit Section Properties Conductor 8 AWG THWN-2, Copper Equipment Ground Conductor (EGC)10 AWG THWN-2, Copper OCPD(s)40A Raceway/Cable 0.75" dia. EMT Lowest Terminal Temperature Rating 75°C Maximum Wire Temperature 22°C Power Source Description Enphase microinverter system w/20 REC Solar REC400AA Pure (400W)s Power Source Current 29A Voltage 240V NEC Code Calculations A. Continuous Current 29A see Article 100 Equipment maximum rated output current is 29A B. Ampacity of Conductor 55A see Table 310.15(B)(16) Ampacity (30°C) for a copper conductor with 90°C insulation in conduit/cable is 55A. C. Derated Ampacity of Conductor 57.2A see Table 310.15(B)(3)(c), Table 310.15(B)(3)(a), and Article 100 The temperature factor for 90°C insulation at 22°C is 1.04. The fill factor for a conduit/cable that has 2 wires is 1. The ampacity derated for Conditions of Use is the product of the conductor ampacity (55A) multiplied by the temperature factor (1.04) and by the fill factor (1). 55A X 1.04 X 1 = 57.2A D. Max Current for Terminal Temp. Rating 50A see 110.14(C) The lowest temperature rating for this conductor at any termination is 75°C. Using the method specified in 110.14(C), the maximum current permitted to ensure that the device terminal temperature does not exceed its 75°C rating would be the amount referenced in the 75°C column in Table 310.15(B)(16), which is 50A. E. Minimum Allowed OCPD Rating 36A see 240.4 NEC 690.9(B) requires that the OCPD be rated for no less than 1.25 times the Continuous Current of the circuit. 29A X 1.25 = 36.25A rounded down to 36A F. Minimum Required EGC Size 10 AWG see Table 250.122 The smallest EGC size allowed is 10 AWG for OCPD rating 40A according to Table 250.122. G. Minimum Recommended Conduit Size 0.5" dia. see 300.17 The total area of all conductors is 0.0943in². With a maximum fill rate of 0.4, the recommended conduit diameter is 0.5. Qty Description Size Type Area Total Area 2 Conductor 8 AWG THWN-2 0.0366in²0.0732in² 1 Equipment Ground 10 AWG THWN-2 0.0211in²0.0211in² 3 0.0943in² 0.0943in² / 0.4 = 0.2358in² (Corresponding to a diameter of 0.5") NEC Code Validation Tests 1.OCPD rating must be at least 125% of Continuous Current (240.4) 40A >= 29A X 1.25 = true PASS 2.Derated ampacity must exceed OCPD rating, or rating of next smaller OCPD (240.4) 57.2A >= 40A (OCPD Rating) = true PASS 3.Derated Ampacity must be greater than or equal to the Continuous Current (Article 100) 57.2A >= 29A = true PASS 4.Conductor Ampacity must be at least 125% of Continuous Current (215.2(A)(1)) 55A > 29A x 1.25 = true PASS 5.Max current for terminal must be at least 125% of the Continuous Current. (110.14(C)) 50A >= 29A X 1.25 = true PASS 6.EGC must meet code requirements for minimum size (Table 250.122) 10 AWG >= 10 AWG = true PASS 7.Conduit must meet code recommendation for minimum size (300.17) 0.75in. >= 0.5in. = true PASS 2.5. #5: Utility Disconnect Output: Utility Disconnect to Main Service Panel Circuit Section Properties Conductor 8 AWG THWN-2, Copper Equipment Ground Conductor (EGC)10 AWG THWN-2, Copper OCPD(s)40A Raceway/Cable 0.75" dia. EMT Lowest Terminal Temperature Rating 75°C Maximum Wire Temperature 22°C Power Source Description Enphase microinverter system w/20 REC Solar REC400AA Pure (400W)s Power Source Current 29A Voltage 240V NEC Code Calculations A. Continuous Current 29A see Article 100 Equipment maximum rated output current is 29A B. Ampacity of Conductor 55A see Table 310.15(B)(16) Ampacity (30°C) for a copper conductor with 90°C insulation in conduit/cable is 55A. C. Derated Ampacity of Conductor 57.2A see Table 310.15(B)(3)(c), Table 310.15(B)(3)(a), and Article 100 The temperature factor for 90°C insulation at 22°C is 1.04. The fill factor for a conduit/cable that has 2 wires is 1. The ampacity derated for Conditions of Use is the product of the conductor ampacity (55A) multiplied by the temperature factor (1.04) and by the fill factor (1). 55A X 1.04 X 1 = 57.2A D. Max Current for Terminal Temp. Rating 50A see 110.14(C) The lowest temperature rating for this conductor at any termination is 75°C. Using the method specified in 110.14(C), the maximum current permitted to ensure that the device terminal temperature does not exceed its 75°C rating would be the amount referenced in the 75°C column in Table 310.15(B)(16), which is 50A. E. Minimum Allowed OCPD Rating 36A see 240.4 NEC 690.9(B) requires that the OCPD be rated for no less than 1.25 times the Continuous Current of the circuit. 29A X 1.25 = 36.25A rounded down to 36A F. Minimum Required EGC Size 10 AWG see Table 250.122 The smallest EGC size allowed is 10 AWG for OCPD rating 40A according to Table 250.122. G. Minimum Recommended Conduit Size 0.75" dia. see 300.17 The total area of all conductors is 0.1309in². With a maximum fill rate of 0.4, the recommended conduit diameter is 0.75. Qty Description Size Type Area Total Area 2 Conductor 8 AWG THWN-2 0.0366in²0.0732in² 1 Neutral 8 AWG THWN-2 0.0366in²0.0366in² 1 Equipment Ground 10 AWG THWN-2 0.0211in²0.0211in² 4 0.1309in² 0.1309in² / 0.4 = 0.3273in² (Corresponding to a diameter of 0.75") NEC Code Validation Tests 1.OCPD rating must be at least 125% of Continuous Current (240.4) 40A >= 29A X 1.25 = true PASS 2.Derated ampacity must exceed OCPD rating, or rating of next smaller OCPD (240.4) 57.2A >= 40A (OCPD Rating) = true PASS 3.Derated Ampacity must be greater than or equal to the Continuous Current (Article 100) 57.2A >= 29A = true PASS 4.Conductor Ampacity must be at least 125% of Continuous Current (215.2(A)(1)) 55A > 29A x 1.25 = true PASS 5.Max current for terminal must be at least 125% of the Continuous Current. (110.14(C)) 50A >= 29A X 1.25 = true PASS 6.EGC must meet code requirements for minimum size (Table 250.122) 10 AWG >= 10 AWG = true PASS 7.Conduit must meet code recommendation for minimum size (300.17) 0.75in. >= 0.75in. = true PASS REVIEWED BY SAFEBUILT 12/14/2022 COMPACT PANEL Size rec Alphα® pure Series Product Specifications αexperience performance wp410 22.2 %Efficiency ELIGIBLE LEAD-FREE rohs cOMPLIANT 19.3 w ft2 Re f : P M - DS - 1 2 - 0 6 - Re v - G 04 . 2 2 GR GR GR GR GR 1821±2.5 [71.7±0.1] 901 [35.5]460 [18.1] 97 5 ± 2 . 5 [ 3 8 . 4 ± 0 . 1 ] 1100 [43.3] 1200 [47.2] 30 [1.2] 22.5 [0.9] 671 ±3 [26.4 ±0.12] 11±0.2 [0.43±0.01] 6. 6 ± 0 . 2 [ 0 . 2 6 ± 0 . 0 1 ] 20.5±0.5 [0.8±0.02] 6.0±0.2 [0.24±0.01] 28 [1.1] 10 1 6 ± 2 . 5 [ 4 0 ± 0 . 1 ] 17 [ 0 . 7 ] 45 [1.8] 153.7 [6.05] 153.7 [6.05] www.recgroup.com Sp e c i f i c a t i o n s s u b j e c t t o c h a n g e w i t h o u t n o t i c e . Measurements in mm [in] LOW LIGHT BEHAVIOUR Typical low irradiance performance of module at STC: Irradiance (W/m²) Re l . E f f i c i e n c y ( % ) Founded in 1996, REC Group is an international pioneering solar energy company dedicated to empowering consumers with clean, affordable solar power. As Solar’s Most Trusted, REC is committed to high quality, innovation, and a low carbon footprint in the solar materials and solar panels it manufactures. Headquartered in Norway with operational headquarters in Singapore, REC also has regional hubs in North America, Europe, and Asia-Pacific. 85 90 95 100 105 200100 300 400 500 600 700 800 900 1000 GENERAL DATA Cell type:132 half-cut REC heterojunction bifacial cells with lead-free, gapless technology, 6 strings of 22 cells in series Glass:0.13 in (3.2 mm) solar glass with anti-reflective surface treatment in accordance with EN 12150 Backsheet:Highly resistant polymer (black) Frame:Anodized aluminum (black) Junction box:3-part, 3 bypass diodes, lead-free IP68 rated, in accordance with IEC 62790 Connectors:Stäubli MC4 PV-KBT4/KST4 (4 mm²) in accordance with IEC 62852, IP68 only when connected Cable:12 AWG (4 mm²) PV wire, 43+ 47 in (1.1 + 1.2 m) in accordance with EN 50618 Dimensions:71.7 x 40 x 1.2 in (19.91 ft2) / 1821 x 1016 x 30 mm (1.85 m2) Weight:45 lbs (20.5 kg) Origin:Made in Singapore WARRANTY Standard REC ProTrust Installed by an REC Certified Solar Professional No Yes Yes System Size All ≤25 kW 25-500 kW Product Warranty (yrs)20 25 25 Power Warranty (yrs)25 25 25 Labor Warranty (yrs)0 25 10 Power in Year 1 98%98%98% Annual Degradation 0.25%0.25%0.25% Power in Year 25 92%92%92% See warranty documents for details. Conditions apply TEMPERATURE RATINGS * Nominal Module Operating Temperature:44°C (±2 °C) Temperature coefficient of PMAX:-0.26 %/°C Temperature coefficient of VOC:-0.24 %/°C Temperature coefficient of ISC:0.04 %/°C *The temperature coefficients stated are linear values CERTIFICATIONS IEC 61215:2016, IEC 61730:2016, UL 61730 IEC 62804 PID IEC 61701 Salt Mist IEC 62716 Ammonia Resistance UL 61730 Fire Type Class 2 IEC 62782 Dynamic Mechanical Load IEC 61215-2:2016 Hailstone (35mm) IEC 62321 Lead-free acc. to RoHS EU 863/2015 ISO 14001, ISO 9001, IEC 45001, IEC 62941 DELIVERY INFORMATION Panels per pallet:33 Panels per 40 ft GP/high cube container:792 (24 pallets) Panels per 53 ft truck:891 (27 pallets) MAXIMUM RATINGS Operational temperature:-40 ... +85°C Maximum system voltage:1000 V Maximum test load (front): + 7000 Pa (146 lbs/ft2)* Maximum test load (rear):- 4000 Pa (83.5 lbs/ft2)* Max series fuse rating:25 A Max reverse current:25 A * See installation manual for mounting instructions. Design load = Test load / 1.5 (safety factor) Lead-Free REC Alpha Pure Series Product SPECIFICATIONS S T C N M O T ELECTRICAL DATA Product Code*: RECxxxAA Pure Power Output - PMAX (Wp) 380 385 390 395 400 405 410 Watt Class Sorting - (W)0/+5 0/+5 0/+5 0/+5 0/+5 0/+5 0/+5 Nominal Power Voltage - VMPP (V) 40.9 41.2 41.5 41.8 42.1 42.4 42.7 Nominal Power Current - IMPP (A) 9.30 9.35 9.40 9.45 9.51 9.56 9.61 Open Circuit Voltage - VOC (V) 48.4 48.5 48.6 48.7 48.8 48.9 49.0 Short Circuit Current - ISC (A) 10.17 10.18 10.22 10.25 10.28 10.30 10.35 Power Density (W/ft2)19.1 19.3 19.6 19.8 20.1 20.3 20.6 Panel Efficiency (%) 20.5 20.8 21.1 21.4 21.6 21.9 22.2 Power Output - PMAX (Wp)290 293 297 301 305 309 312 Nominal Power Voltage - VMPP (V) 38.5 38.8 39.1 39.4 39.7 40.0 40.2 Nominal Power Current - IMPP (A) 7.51 7.55 7.59 7.63 7.68 7.72 7.76 Open Circuit Voltage - VOC (V) 45.6 45.7 45.8 45.9 46.0 46.1 46.2 Short Circuit Current - ISC (A) 8.12 8.16 8.20 8.24 8.28 8.32 8.36 Values at standard test conditions (STC: air mass AM 1.5, irradiance 10.75 W/sq ft (1000 W/m²), temperature 77°F (25°C), based on a production spread with a tolerance of PMAX, VOC & ISC ±3% within one watt class. Nominal module operating temperature (NMOT: air mass AM 1.5, irradiance 800 W/m², temperature 68°F (20°C), windspeed 3.3 ft/s (1 m/s). * Where xxx indicates the nominal power class (PMAX) at STC above. REVIEWED BY SAFEBUILT 12/14/2022 IQ8 Series Microinverters Our newest IQ8 Microinverters are the industry’s first microgrid-forming, software- defined microinverters with split-phase power conversion capability to convert DC power to AC power efficiently. The brain of the semiconductor-based microinverter is our proprietary application-specific integrated circuit (ASIC) which enables the microinverter to operate in grid-tied or off-grid modes. This chip is built in advanced 55nm technology with high speed digital logic and has super-fast response times to changing loads and grid events, alleviating constraints on battery sizing for home energy systems. Part of the Enphase Energy System, IQ8 Series Microinverters integrate with the Enphase IQ Battery, Enphase IQ Gateway, and the Enphase App monitoring and analysis software. IQ8 Series Microinverters redefine reliability standards with more than one million cumulative hours of power-on testing, enabling an industry-leading limited warranty of up to 25 years. Connect PV modules quickly and easily to IQ8 Series Microinverters using the included Q-DCC-2 adapter cable with plug-n-play MC4 connectors. IQ8 Series Microinverters are UL Listed as PV Rapid Shut Down Equipment and conform with various regulations, when installed according to manufacturer’s instructions. Easy to install • Lightweight and compact with plug-n-play connectors • Power Line Communication (PLC) between components • Faster installation with simple two-wire cabling High productivity and reliability • Produce power even when the grid is down • More than one million cumulative hours of testing • Class II double-insulated enclosure • Optimized for the latest high- powered PV modules Microgrid-forming • Complies with the latest advanced grid support • Remote automatic updates for the latest grid requirements • Configurable to support a wide range of grid profiles • Meets CA Rule 21 (UL 1741-SA) requirements © 2021 Enphase Energy. All rights reserved. Enphase, the Enphase logo, IQ8 microinverters, and other names are trademarks of Enphase Energy, Inc. Data subject to change. IQ8SE-DS-0001-01-EN-US-2021-10-19 DATA SHEET (1) The IQ8H-208 variant will be operating in grid-tied mode only at 208V AC. (2) No enforced DC/AC ratio. See the compatibility calculator at https://link.enphase.com/module-compatibility (3) Maximum continuous input DC current is 10.6A (4) Nominal voltage range can be extended beyond nominal if required by the utility. (5) Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. IQ8 Series Microinverters INPUT DATA (DC)IQ8-60-2-US IQ8PLUS-72-2-US IQ8M-72-2-US IQ8A-72-2-US IQ8H-240-72-2-US IQ8H-208-72-2-US1 Commonly used module pairings2 W 235 – 350 235 – 440 260 – 460 295 – 500 320 – 540+295 – 500+ Module compatibility 60-cell/120 half-cell 60-cell/120 half-cell and 72-cell/144 half-cell MPPT voltage range V 27 – 37 29 – 45 33 – 45 36 – 45 38 – 45 38 – 45 Operating range V 25 – 48 25 – 58 Min/max start voltage V 30 / 48 30 / 58 Max input DC voltage V 50 60 Max DC current3 [module Isc] A 15 Overvoltage class DC port II DC port backfeed current mA 0 PV array configuration 1x1 Ungrounded array; No additional DC side protection required; AC side protection requires max 20A per branch circuit OUTPUT DATA (AC)IQ8-60-2-US IQ8PLUS-72-2-US IQ8M-72-2-US IQ8A-72-2-US IQ8H-240-72-2-US IQ8H-208-72-2-US Peak output power VA 245 300 330 366 384 366 Max continuous output power VA 240 290 325 349 380 360 Nominal (L-L) voltage/range4 V 240 / 211 – 264 208 / 183 – 250 Max continuous output current A 1.0 1.21 1.35 1.45 1.58 1.73 Nominal frequency Hz 60 Extended frequency range Hz 50 – 68 Max units per 20 A (L-L) branch circuit5 16 13 11 11 10 9 Total harmonic distortion <5% Overvoltage class AC port III AC port backfeed current mA 30 Power factor setting 1.0 Grid-tied power factor (adjustable)0.85 leading – 0.85 lagging Peak efficiency %97.5 97.6 97.6 97.6 97.6 97.4 CEC weighted efficiency %97 97 97 97.5 97 97 Night-time power consumption mW 60 MECHANICAL DATA Ambient temperature range -40ºC to +60ºC (-40ºF to +140ºF) Relative humidity range 4% to 100% (condensing) DC Connector type MC4 Dimensions (HxWxD)212 mm (8.3”) x 175 mm (6.9”) x 30.2 mm (1.2”) Weight 1.08 kg (2.38 lbs) Cooling Natural convection – no fans Approved for wet locations Yes Acoustic noise at 1 m <60 dBA Pollution degree PD3 Enclosure Class II double-insulated, corrosion resistant polymeric enclosure Environ. category / UV exposure rating NEMA Type 6 / outdoor COMPLIANCE Certifications CA Rule 21 (UL 1741-SA), UL 62109-1, UL1741/IEEE1547, FCC Part 15 Class B, ICES-0003 Class B, CAN/CSA-C22.2 NO. 107.1-01 This product is UL Listed as PV Rapid Shut Down Equipment and conforms with NEC 2014, NEC 2017, and NEC 2020 section 690.12 and C22.1-2018 Rule 64-218 Rapid Shutdown of PV Systems, for AC and DC conductors, when installed according to manufacturer’s instructions. IQ8SE-DS-0001-01-EN-US-2021-10-19REVIEWED BY SAFEBUILT 12/14/2022 X-IQ-AM1-240-4 The Enphase IQ Combiner 4/4C with Enphase IQ Gateway and integrated LTE-M1 cell modem (included only with IQ Combiner 4C) consolidates interconnection equipment into a single enclosure and streamlines IQ microinverters and storage installations by providing a consistent, pre-wired solution for residential applications. It offers up to four 2-pole input circuits and Eaton BR series busbar assembly. Enphase IQ Combiner 4/4C X-IQ-AM1-240-4 X-IQ-AM1-240-4C To learn more about Enphase offerings, visit enphase.com Data Sheet Enphase Networking Smart • Includes IQ Gateway for communication and control • Includes Enphase Mobile Connect cellular modem (CELLMODEM-M1-06-SP-05), included only with IQ Combiner 4C • Includes solar shield to match Enphase IQ Battery aesthetics and deflect heat • Flexible networking supports Wi-Fi, Ethernet, or cellular • Optional AC receptacle available for PLC bridge • Provides production metering and consumption monitoring Simple • Centered mounting brackets support single stud mounting • Supports bottom, back and side conduit entry • Up to four 2-pole branch circuits for 240 VAC plug-in breakers (not included) • 80A total PV or storage branch circuits Reliable • Durable NRTL-certified NEMA type 3R enclosure • Five-year limited warranty • Two years labor reimbursement program coverage included for both the IQ Combiner SKU's • UL listed X-IQ-AM1-240-4C To learn more about Enphase offerings, visit enphase.com © 2021 Enphase Energy. All rights reserved. Enphase, the Enphase logo, IQ Combiner 4/4C, and other names are trademarks of Enphase Energy, Inc. Data subject to change. 10-21-2021 MODEL NUMBER IQ Combiner 4 (X-IQ-AM1-240-4)IQ Combiner 4 with Enphase IQ Gateway printed circuit board for integrated revenue grade PV production metering (ANSI C12.20 +/- 0.5%) and consumption monitoring (+/- 2.5%). Includes a silver solar shield to match the IQ Battery system and IQ System Controller 2 and to deflect heat. IQ Combiner 4C (X-IQ-AM1-240-4C)IQ Combiner 4C with Enphase IQ Gateway printed circuit board for integrated revenue grade PV production metering (ANSI C12.20 +/- 0.5%) and consumption monitoring (+/- 2.5%). Includes Enphase Mobile Connect cellular modem (CELLMODEM-M1-06-SP-05), a plug-and-play industrial-grade cell modem for systems up to 60 microinverters. (Available in the US, Canada, Mexico, Puerto Rico, and the US Virgin Islands, where there is adequate cellular service in the installation area.) Includes a silver solar shield to match the IQ Battery and IQ System Controller and to deflect heat. ACCESSORIES AND REPLACEMENT PARTS (not included, order separately) Ensemble Communications Kit COMMS-CELLMODEM-M1-06 CELLMODEM-M1-06-SP-05 CELLMODEM-M1-06-AT-05 - Includes COMMS-KIT-01 and CELLMODEM-M1-06-SP-05 with 5-year Sprint data plan for Ensemble sites - 4G based LTE-M1 cellular modem with 5-year Sprint data plan - 4G based LTE-M1 cellular modem with 5-year AT&T data plan Circuit Breakers BRK-10A-2-240V BRK-15A-2-240V BRK-20A-2P-240V BRK-15A-2P-240V-B BRK-20A-2P-240V-B Supports Eaton BR210, BR215, BR220, BR230, BR240, BR250, and BR260 circuit breakers. Circuit breaker, 2 pole, 10A, Eaton BR210 Circuit breaker, 2 pole, 15A, Eaton BR215 Circuit breaker, 2 pole, 20A, Eaton BR220 Circuit breaker, 2 pole, 15A, Eaton BR215B with hold down kit support Circuit breaker, 2 pole, 20A, Eaton BR220B with hold down kit support EPLC-01 Power line carrier (communication bridge pair), quantity - one pair XA-SOLARSHIELD-ES Replacement solar shield for IQ Combiner 4/4C XA-PLUG-120-3 Accessory receptacle for Power Line Carrier in IQ Combiner 4/4C (required for EPLC-01) XA-ENV-PCBA-3 Replacement IQ Gateway printed circuit board (PCB) for Combiner 4/4C X-IQ-NA-HD-125A Hold down kit for Eaton circuit breaker with screws. ELECTRICAL SPECIFICATIONS Rating Continuous duty System voltage 120/240 VAC, 60 Hz Eaton BR series busbar rating 125 A Max. continuous current rating 65 A Max. continuous current rating (input from PV/storage)64 A Max. fuse/circuit rating (output)90 A Branch circuits (solar and/or storage)Up to four 2-pole Eaton BR series Distributed Generation (DG) breakers only (not included) Max. total branch circuit breaker rating (input)80A of distributed generation / 95A with IQ Gateway breaker included Production metering CT 200 A solid core pre-installed and wired to IQ Gateway Consumption monitoring CT (CT-200-SPLIT)A pair of 200 A split core current transformers MECHANICAL DATA Dimensions (WxHxD)37.5 x 49.5 x 16.8 cm (14.75” x 19.5” x 6.63”). Height is 21.06" (53.5 cm) with mounting brackets. Weight 7.5 kg (16.5 lbs) Ambient temperature range -40º C to +46º C (-40º to 115º F) Cooling Natural convection, plus heat shield Enclosure environmental rating Outdoor, NRTL-certified, NEMA type 3R, polycarbonate construction Wire sizes • 20 A to 50 A breaker inputs: 14 to 4 AWG copper conductors • 60 A breaker branch input: 4 to 1/0 AWG copper conductors • Main lug combined output: 10 to 2/0 AWG copper conductors • Neutral and ground: 14 to 1/0 copper conductors Always follow local code requirements for conductor sizing. Altitude To 2000 meters (6,560 feet) INTERNET CONNECTION OPTIONS Integrated Wi-Fi 802.11b/g/n Cellular CELLMODEM-M1-06-SP-05, CELLMODEM-M1-06-AT-05 (4G based LTE-M1 cellular modem). Note that an Enphase Mobile Connect cellular modem is required for all Ensemble installations. Ethernet Optional, 802.3, Cat5E (or Cat 6) UTP Ethernet cable (not included) COMPLIANCE Compliance, IQ Combiner UL 1741, CAN/CSA C22.2 No. 107.1, 47 CFR, Part 15, Class B, ICES 003 Production metering: ANSI C12.20 accuracy class 0.5 (PV production) Consumption metering: accuracy class 2.5 Compliance, IQ Gateway UL 60601-1/CANCSA 22.2 No. 61010-1 Enphase IQ Combiner 4/4C REVIEWED BY SAFEBUILT 12/14/2022 Product data sheet Characteristics DU221RB SWITCH NOT FUSIBLE GD 240V 30A 2P NEMA3R Stock Code: Stock - Normally stocked in distribution facility Price*: 177.00 USD Main Product Single Throw Safety Switch Current Rating 30 A Certifications UL listed Enclosure Rating NEMA 3R Disconnect Type Non-fusible disconnect Factory Installed Neutral None Mounting Type Surface Number of Poles 2 Electrical Connection Lugs Duty Rating General duty Ordering and shipping details Category 00106 - D & DU SW,NEMA3R, 30-200A Discount Schedule DE1A GTIN 00785901490340 Nbr. of units in pkg.1 Package weight(Lbs)4.8600000000000003 Returnability Y Country of origin MX Contractual warranty Period 18 months Product Life Status :Commercialised Th e i n f o r m a t i o n p r o v i d e d i n t h i s d o c u m e n t a t i o n c o n t a i n s g e n e r a l d e s c r i p t i o n s a n d / o r t e c h n i c a l c h a r a c t e r i s t i c s o f t h e p e r f o r m a n c e o f t h e p r o d u c t s c o n t a i n e d h e r e i n . Th i s d o c u m e n t a t i o n i s n o t i n t e n d e d a s a s u b s t i t u t e f o r a n d i s n o t t o b e u s e d f o r d e t e r m i n i n g s u i t a b i l i t y o r r e l i a b i l i t y o f t h e s e p r o d u c t s f o r s p e c i f i c u s e r a p p l i c a t i o n s . It i s t h e d u t y o f a n y s u c h u s e r o r i n t e g r a t o r t o p e r f o r m t h e a p p r o p r i a t e a n d c o m p l e t e r i s k a n a l y s i s , e v a l u a t i o n a n d t e s t i n g o f t h e p r o d u c t s w i t h r e s p e c t t o t h e r e l e v a n t s p e c i f i c a p p l i c a t i o n o r u s e t h e r e o f . Ne i t h e r S c h n e i d e r E l e c t r i c I n d u s t r i e s S A S n o r a n y o f i t s a f f i l i a t e s o r s u b s i d i a r i e s s h a l l b e r e s p o n s i b l e o r l i a b l e f o r m i s u s e o f t h e i n f o r m a t i o n c o n t a i n e d h e r e i n . Ne i t h e r S c h n e i d e r E l e c t r i c I n d u s t r i e s S A S n o r a n y o f i t s a f f i l i a t e s o r s u b s i d i a r i e s s h a l l b e r e s p o n s i b l e o r l i a b l e f o r m i s u s e o f t h e i n f o r m a t i o n c o n t a i n e d h e r e i n . * P r i c e s a r e i n d i c a t i v e Feb 1, 2018 1 REVIEWED BY SAFEBUILT 12/14/2022 Flush Mount System Strength Tested All components evaluated for superior structural performance. PE Certified Pre-stamped engineering letters available in most states. Class A Fire Rating Certified to maintain the fire resistance rating of the existing roof. Design Assistant Online software makes it simple to create, share, and price projects. UL 2703 Listed System Entire system and components meet newest effective UL 2703 standard. 25-Year Warranty Products guaranteed to be free of impairing defects. Built for solar’s toughest roofs. IronRidge builds the strongest mounting system for pitched roofs in solar. Every component has been tested to the limit and proven in extreme environments. Our rigorous approach has led to unique structural features, such as curved rails and reinforced flashings, and is also why our products are fully certified, code compliant and backed by a 25-year warranty. Datasheet © 2019 IronRidge, Inc. All rights reserved. U.S. Patents: #8,695,290; #9,819,303; #9,865,938; Others Pending. Version 1.70 XR Rails Attachments Datasheet Design Assistant Go from rough layout to fully engineered system. For free. Go to IronRidge.com/design Resources XR100 Rail The ultimate residential solar mounting rail. •8’ spanning capability • Heavy load capability • Clear and black finish Bonded Splices All rails use internal splices for seamless connections. • Self-drilling screws • Varying versions for rails • Forms secure bonding XR10 Rail A low-profile mounting rail for regions with light snow. •6’ spanning capability • Moderate load capability • Clear and black finish XR1000 Rail A heavyweight mounting rail for commercial projects. •12’ spanning capability • Extreme load capability • Clear anodized finish FlashFoot2 Flash and mount XR Rails with superior waterproofing. • Twist-on Cap eases install • Wind-driven rain tested • Mill and black finish Drop-in design for rapid rail attachment. • Secure rail connections • Slot for vertical adjusting • Clear and black finish Slotted L-Feet Clamps & Grounding UFOs Universal Fastening Objects bond modules to rails. • Fully assembled & lubed • Single, universal size • Clear and black finish Stopper Sleeves Snap onto the UFO to turn into a bonded end clamp. • Bonds modules to rails • Sized to match modules • Clear and black finish CAMO Bond modules to rails while staying completely hidden. • Universal end-cam clamp • Tool-less installation • Fully assembled NABCEP Certified Training Earn free continuing education credits, while learning more about our systems. Go to IronRidge.com/training Bond and attach XR Rails to roof attachments. • T & Square Bolt options • Nut uses 7/16” socket • Assembled and lubricated Bonding Hardware C ONTINUING E D U C A TION REGIS T E R E D PROVI D E R Flash and mount conduit, strut, or junction boxes. • Twist-on Cap eases install • Wind-driven rain tested • Secures ¾” or 1” conduit Conduit Mount Grounding Lugs Connect arrays to equipment ground. • Low profile • Single tool installation • Mounts in any direction REVIEWED BY SAFEBUILT 12/14/2022 © 2021 IronRidge, Inc. AZ Flush Mount System Certification Letter - 1 28357 Industrial Blvd. Hayward, CA 94545 1-800-227-9523 IronRidge.com Attn: Corey Geiger, COO, IronRidge Inc. Date: July 1st, 2021 Re: Structural Certification and Span Tables for the IronRidge Flush Mount System This letter addresses the structural performance and code compliance of IronRidge’s Flush Mount System. The contents of the letter shall be read in its entirety before applying to any project design. The Flush Mount System is a proprietary rooftop mounting system used to support photovoltaic (PV) modules installed in portrait or landscape orientation and set parallel to the underlying roof surface. PV modules are supported by extruded aluminum XR Rails and secured to the rails with IronRidge mounting clamps. The XR Rails are side mounted to a selected roof attachment with 3/8” stainless steel bonding hardware and then attached directly to the roof structure or to a stanchion that is fastened to the underlying roof structure. Assembly details of a typical Flush Mount installation and its core components are shown in Exhibit EX-0015. The IronRidge Flush Mount System is designed and certified to the structural requirements of the reference standards listed below, for the load conditions and configurations tabulated in the attached span tables. •ASCE/SEI 7-16 Minimum Design Loads for Buildings and Other Structures (ASCE 7-16) •2018 International Building Code (IBC-2018) •2015 Aluminum Design Manual (ADM-2015) •Report SEAOC (Structural Engineer Association of California) PV2-2017 Wind Design for Solar Arrays The tables included in this letter provide the maximum allowable spans of XR Rails in the Flush Mount System for the respective loads and configurations listed, covering wind exposure categories B, C, & D, roof zones provided in ASCE 7-16 for gable & hip roof profiles, and roof slopes of 8° to 45°. The tabulated spans are applicable when the following conditions are met: 1.Span is the distance between two adjacent roof attachment points (measured at the center of the attachment fastener). 2.Each module shall be supported by 2 rails (2 rail system) or 3 rails (3 rail system). Spans are calculated based on 2 rail systems, and conservatively deemed acceptable for 3 rail systems. 3.The underlying roof slope, measured between the roof surface and horizontal plane, is 8º to 45º. 4.The mean roof height, defined as the average of the roof eave height and the roof ridge height measured from grade, does not exceed 30 feet. 5.A clearance from the underside of the array to the roof surface of 2” minimum shall be provided and the height of the array, the distance from the module top surface to the roof surface (defined as h 2 ), shall not exceed 10”. 6.Module length and area shall not exceed the maximum values listed on the respective span tables. 7.All Flush Mount components shall be installed in a professional workmanlike manner per IronRidge’s Flush Mount Installation Manual and other applicable standards for the general roof construction practice. © 2021 IronRidge, Inc.CO Flush Mount System Certification Letter - 4 28357 Industrial Blvd. Hayward, CA 94545 1-800-227-9523 IronRidge.com The span tables provided in this letter are certified based on the structural performance of IronRidge XR Rails only with no consideration of the structural adequacy of the chosen roof attachments, PV modules, or the underlying roof supporting members. It is the responsibility of the installer or system designer to verify the structural capacity and adequacy of the aforementioned system components in regards to the applied or resultant loads of any chosen array configuration. Sincerely, Gang Xuan, PE Senior Structural Engineer 2021.07.14 17:00:52 -07'00' REVIEWED BY SAFEBUILT 12/14/2022 © 2022 IRONRIDGE, INC. VERSION 3.4 FLUSH MOUNT INSTALLATION MANUAL - 2 RATINGS Product markings are located on the Grounding Lug bolt head. MARKINGS UL 2703 LISTeD Conforms to STD UL 2703 Standard for Safety First edition: Mounting Systems, Mounting Devices, Clamping/ Retention Devices, and Ground Lugs for Use with Flat-Plate Photovoltaic Modules and Panels •Max Overcurrent Protective Device (OCPD) Rating: 40A •Max Module Size: 30.5 ft² •Module Orientation: Portrait or Landscape •System Design Load Rating: 10 PSF downward, 5 PSF upward, 5 PSF lateral •Actual system structural capacity including spans and cantilevers are defined by PE stamped certification letters. •CAMO Specific Design Load rating: 50 PSF downward, 50 PSF upward, 15 PSF lateral Certified to CSA TIL No. A-40 Photovoltaic Module Racking Systems •Load Rating: 2400 PA [50 PSF] CLASS A SYSTeM FIRe RATING PeR UL 2703•Any Roof Slope with Module Types 1, 2, 3, 13, 19, 25 & 29.•Any module-to-roof gap is permitted, with no perimeter guarding required. This rating is applicable with any third-partyattachment.•Class A rated PV systems can be installed on Class A, B, and C roofs without affecting the roof fire rating. WATeR SeAL RATINGS: •UL 441 (Flashfoot2, All Tile Hook, Knockout Tile, Flashvue, L-Mount) •TAS 100(A)-95 (Flashfoot2, All Tile Hook, Knockout Tile, Flashvue, L-Mount, Qbase) •Tested and evaluated without sealant. •Any roofing manufacturer approved sealant is allowed. Ratings applicable for roof slopes between 2:12 and 12:12 STRUCTURAL CeRTIFICATION•Designed and Certified for Compliance with the International Building Code & ASCE/SEI-7 FLORIDA PRODUCT APPROVAL #FL29843 •Conforms to TAS202, TAS100(A) •Approved for installation both inside and outside High Velocity Hurricane Zones (HVHZ) •Allowable design pressure up to +100/-100 PSF •Additional details and full list of approved components can be found Here. #5003807 8431 Murphy Drive Middleton, WI 53562 USA Telephone: 608.836.4400 Facsimile: 608.831.9279 www.intertek.com Test Verification of Conformity This Verification is for the exclusive use of Intertek's client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this Verification. Only the Client is authorized to permit copying or distribution of this Verification. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test/inspection results referenced in this Verification are relevant only to the sample tested/inspected. This Verification by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. GFT-OP-11a (24-MAR-2014) Signature: Name: Nalini Mandadi Position: Project Engineer Date: 11/14/2014 In the basis of the tests undertaken, the sample(s) of the below product have been found to comply with the requirements of the referenced specifications at the time the tests were carried out. Applicant Name & Address: IronRidge, Inc. 28357 Industrial Blvd Hayward, CA 94545 USA Product Description: Flush Mount System with XR Rails. Ratings & Principle Characteristics: Fire Class Resistance Rating: -Flush Mount (Symmetrical). Class A Fire Rated for Low Slope applications when using Type 1, 2, 3, 13, 19, 25 and 29 listed photovoltaic modules. Class A Fire Rated for Steep Slope applications with Type1, 2 and 3, listed photovoltaic modules. Tested with a 5” gap (distance between the bottom the module frame and the roof covering), per the standard this system can be installed at any gap allowed by the manufacturers installation instructions. No perimeter guarding is required. This rating is applicable with any IronRidge or 3’rd party roof anchor. Models: IronRidge Flush Mount with XR Rails Brand Name: IronRidge Flush Mount Relevant Standards: UL 2703 (Section 15.2 and 15.3) Standard for Safety Mounting Systems, Mounting Devices, Clamping/Retention Devices, and Ground Lugs for Use with Flat-Plate Photovoltaic Modules and Panels, First Edition dated Jan. 28, 2015 Referencing UL1703 Third Edition dated Nov. 18, 2014, (Section 31.2) Standard for Safety for Flat-Plate Photovoltaic Modules and Panels. Verification Issuing Office: Intertek Testing Services NA, Inc. 8431 Murphy Drive Middleton, WI 53562 Date of Tests: 08/27/2014 to 03/17/2015 Test Report Number(s): 101769343MID-001r1, 101769343MID-001a, 101915978MID-001 & 101999492MID-001ar1-cr1, 104428358MID-001 EEV Revision Summary 8/27/2020 Added type 13, 19, 25 and 29 to system, update address. This verification is part of the full test report(s) and should be read in conjunction with them. This report does not automatically imply product certification. Completed by: Chris Zimbrich Reviewed by: Chad Naggs Title: Technician I, Fire Resistance Title: Technical Team Lead, Fire Resistance Signature: Signature: Date: 08/27/2020 Date: 08/27/2020 REVIEWED BY SAFEBUILT 12/14/2022 © 2022 IRONRIDGE, INC. 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VERSION 3.4 FLUSH MOUNT INSTALLATION MANUAL - 26 MAKe MODeLS FRAMeLeSS MODULe LIST Astronergy Solar Astronergy frameless modules &+603 '* [[[ Canadian Solar Canadian Solar frameless modules &6E<[[[= :KHUH³E´FDQEHRU ³<´LV.38RU; DQG³=´FDQEH0)*06)*3)*0%)*RU3%)* +HOLHQH +HOLHQHIUDPHOHVVPRGXOHV <<==[[[$ :KHUH<<FDQEH ==FDQEH0 DQG$FDQEH*+ Jinko Jinko frameless modules -.0[[[33'9 Prism Solar Prism Solar frameless modules %=<<[[[$$$ :KHUH=FDQEHLRU1 <<FDQEH6RU6 DQG$$$FDQEHEODQNRU%67& Risen Risen frameless modules 560\\[[[== :KHUH³\\´FDQEHRU DQG³==´FDQEH0'*RU3'* Stion Stion frameless modules 67/[[[RU67/[[[$ Sunpreme Sunpreme frameless modules GXB-xxxYY :KHUH³<<´FDQEHEODQNRU6/ Trina Trina frameless modules TSM-xxxYY :KHUH³<<´FDQEHHLWKHU'(* ,, '(* ,, '(* ,, '(* ,, '(* ,, '(*& ,, '(*& ,, '(* ,, 3(*3(*3(*3(*3(*RU3(* Waaree Waaree modules with 40mm frames WSyy-xxx ZKHUH³\\´FDQEHEODQN0RU0% Winaico Winaico modules with 35 and 40 mm frames :V\[[[=D :KHUH\FDQEHHLWKHU3RU7 =FDQEHHLWKHU03RU0; DQGDFDQEHEODQNRU Yingli Yingli modules with 35 and 40 mm frames </[[[=\\ :KHUH=FDQEH'RU3 \\FDQEH EEGEERUG =16KLQH =16KLQHPRGXOHVZLWKPPIUDPHV =;0<$$$[[[0 :KHUH<FDQEHRU$$$FDQEH1+1+1+'%1+/''6+6+'%RU 6+/'' REVIEWED BY SAFEBUILT 12/14/2022 FLASHLOC is the ultimate attachment for composition shingle and rolled comp roofs. The all-in-one mount installs fast — no kneeling on hot roofs to install flashing, no prying or cutting shingles, no pulling nails. Simply drive the lag bolt and inject sealant into the base. FLASHLOC’s patented TRIPLE SEAL technology preserves the roof and protects the penetration with a permanent pressure seal. Kitted with lag bolts, sealant, and hardware for maximum convenience. Don’t just divert water, LOC it out! PROTECT THE ROOF Install a high-strength waterproof attachment without lifting, prying or damaging shingles. FLASH LOC LOC OUT WATER With an outer shield 1 contour-conforming gasket 2 and pressurized sealant chamber 3 the Triple Seal technology delivers a 100% waterproof connection. Cut Away View HIGH-SPEED INSTALL Simply drive lag bolt and inject sealant into the port 4 to create a permanent pressure seal. Cut Away View FASTER INSTALLATION. 25-YEAR WARRANTY. FOR QUESTIONS OR CUSTOMER SERVICE VISIT UNIRAC.COM OR CALL (505) 248-2702 3 2 4 1 TESTED TO TAS-100 WIND DRIVEN RAIN TEST AND UL441 RAIN TEST FASTER INSTALLATION. 25-YEAR WARRANTY. FOR QUESTIONS OR CUSTOMER SERVICE VISIT UNIRAC.COM OR CALL (505) 248-2702 FLASH LOC INSTALLATION GUIDE STEP 1: SECURE Place FLASHLOC over pilot hole with lag on down-slope side. Align indicator marks on sides of mount with chalk line. Pass included lag bolt and sealing washer through FLASHLOC into pilot hole. Drive lag bolt until mount is held firmly in place. NOTE: The EPDM in the sealing washer will expand beyond the edge of the metal washer when proper torque is applied. PRE-INSTALL Snap chalk lines for attachment rows. On shingle roofs, snap lines 1-3/4” below upslope edge of shingle course. Locate rafters and mark attachment locations. At each location, drill a 7/32” pilot hole. Clean roof surface of dirt, debris, snow, and ice. Next, BACKFILL ALL PILOT HOLES WITH SEALANT. NOTE: Space mounts per racking system install specifications. STEP 2: SEAL Insert tip of UNIRAC provided sealant into port. Inject until sealant exits both vents. Continue array installation, attaching rails to mounts with provided T-bolts. NOTE: When FLASHLOC is installed over gap between shingle tabs or vertical joints, fill gap/joint with sealant between mount and upslope edge of shingle course. USE ONLY UNIRAC APPROVED SEALANTS: Chemlink Duralink 50, Chemlink M-1, Geocel 4500, or Geocel S-4 SEALANT GAP 1.75" REVIEWED BY SAFEBUILT 12/14/2022