HomeMy WebLinkAboutPLAN 991 Black Canyon Drive Solar Electrical Line Diagram 2020 PV Modules:
ISC 9.44 x 1.25
(irradiance) =
11.8A
11.8 x 1.25 =
15.A overcurrent
protection
/.8 fill = 14.75A
/ .58 temp =
25.43
req. wire
240 VAC 1.21 Amp each
8 inverters 9.68A x 1.25%= 15 amp breaker
1% voltage drop =
(10awg 1.24 x 9.68 x 100 ft x .2)/ 240 V)
Three runs 10 awg THHN 2 wire+ Ground
less than 100ft over roof, through Attic and Walls
6 current carrying conductors + ground in 30 ft 1" EMT
30 ampacity x .8 conduit fill x .75 for
100 ambient +22 temp adder = 18 A capacity available
Net
Meter
"photovoltaic
system
connected"
40 A
Prepared by
Clara (Sam) Burnham
Burnham & Sun
737 Gregory Rd
Fort Collins, CO 80524
970-391-6295
#6 Bare CU PE
Three circuits
Enphase Trunk Cable
less than 10 amps each
#12 THWN-2 CU
L1, L2 open air
200 A
PV System
7.7 kW DC
Flush Mount Roof
Grid Interactive
22 PV Modules
LG350N1C-V5
Vmp 35.3V, Imp 9.92A
Voc 41.3 V, Isc 10.61A
Module Dimensions
40 x 66.4 x 1.6 (40mm)
22 Micro Inverters
Enphase IQ7+
240VAC 290 Watts 1.21 Amps
Total 26.62 Amps
40 A
6 AWG THHN in 1" EMT
27 amps 75 feet each way = less than 1% voltage drop
4 current carrying wires + ground for
L1 and L2 out to disco and back .
Nema 3R
visible open
safety switch
60 amp 240 VAC
on southwestside
of garage
NO DC from roof
serves as
Rapid Shut Down
PHOTOVOLTAIC
AC DISCONNECT
WARNING BOTH
LINE AND LOAD
15 A
15 A
15A
15A
ENVOY
J Box
on roof
Solar Grid Connection 705.12(B)(3)(b)
200 Amp Service 40 Amps backfeed allowed
3 circuits= total 26.62 Amps
*1.25 safety factor = 34 = 40 amp backfeed breaker
8
18
4 15236
Rueppel Residence
991 Black Canyon Dr
Estes Park, CO 80517
Grid Interactive Solar Electric
Estes Park Power & Light
Solar Electric Permit 896599
ME Electric Permit
2 strings of 8 LG 350 Watt PV Modules
8 Enphase IQ7+ Micro Inverters
Up to 440 watts per inverter allowed
290 watt inverter, 240 VAC 1.21 A X 8= 9.68 amps 4"
6 LG 350Watt PV Modules
6 Enphase IQ7+ Micro Inverters
Up to 440 watts per inverter allowed
290 watts inverter, 240 VAC 1.21 A X 6= 7.26 amps
4" from roof WARNING
SOLAR POWER SOURCE OUTPUT CONNECTION
DO NOT RELOCATE
THIS OVER CURRENT PROTECTION DEVICE
15 A
15A
ENPHASE
COMBINER
and online
monitor next
to house main
panel in
garage.
All Breakers
10,000AIC
interuptive
1
Meter is on
pedestal at
curb near
end of
driveway
roof
penentration J-
Box under
Modules 2 runs 10 amps
40 feet each 10
AWG MC cable
in attic.