BLD2023-1152+Structural_Calculations+9.12.2023_2.03.48_PM+3778492AC Disconnect
(Exterior House)
PV & Battery
Circuit
Nominal Voltage
Imax
240 V
92.5 A
r
(4) Shielded I
1
g
LINE
#24 AWG I
7
7
M
CTs (Untwisted
Pairs) I
I
3 1
IQ System Con;Maln
if
2I
01
Enphase IQ
i
225A BUS
Combiner 5C
I
Main Panel
NFT & IQ Ga[ewa
���T-
IQ Gateway
IF
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n°aas`ea e`
Gateway
7IQ
on Battery L2— — —1 I
10
Meter #
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---CT on Consumption L2_ f. I
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6
�1000553856
---CTonConsumption Ll 1
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7
I
---CTon PV Ll—�
20A
20AI I II
1
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5
I
I
Nca
Nca
System
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zoA
TaloSys co"trouer I 1 _
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5
c
Shutdown
I
I I
w
m
cc
Switch
0
I
Hold Down Kit
Nal we:
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4
—
TCC
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o
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3
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---------
Junction I__
_______________s
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r
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Box 2
I
I
4
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l
I
8
1
7
I
4
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--
--
----
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Combined Inverter &
_ _ — —
— —
— — _ _ — —
—
— _ _ _ _
_
— —
I
BMS
BMS
BMS
BMS
Battery Max Output
Enphase IQ
Enphase IQ
Enphase IQ
Enphase IQ
with Safety Factor
I
I
I
5P
5P
5P
5P
157.14 Amps
I
Module
Ratings
Module
Ratings
IQ8PLUS-72-2-US
IQ8PLUS-72-2-US
Inverters
13
Inverters
12
Output
240 V
Output
240 V
Output A
1.21 A
Output A
1.21 A
String A
15.73 A
String A
14.52 A
Module
Ratings
Design Temp
REC410AA Pure
Hot
29'C
Imp
9.61 A
Nom
24'C
Isc
10.35 A
Cold
-17'C
Vmp
42.7 V
TcVoc
-.24%/'C
Voc
49.0 V
MaxVoc
53.9 V
ARRAY SPECIFICATIONS
Combined Array Specs
20.91 kW
41OW REC
51 Modules
(3) Circuits of (13) Modules
(1) Circuits of (12) Modules
(1) Micro -inverter per module.
p CONDUIT AND CONDUCTOR SCHEDULE
TAG
DESCRIPTION OF CONDUCTOR TYPE
COND.
GAUGE
NUMBER OF
CONDUCTORS
CONDUIT
TYPE
CONDUIT
SIZE
1
Cables Listed with Module
12 AWG
2 Black
N A
N/A
2
THHN THWN-2
12 AWG
4 B L1 , 4 R L2 , 1 G #10 EGC
EMT
3/4"
3
THHN THWN-2
12 AWG
1 B, 1 R, 10, 1 P Buttspliced to 16 AWG
EMT
3/4"
4
THHN THWN-2
4 AWG
1 B L1 , 1 R L2 , 1 W NEUT , 1 G #8 GND
EMT
1"
5
Enphase Control Signal Cable
CTRL-SC3-NA-01
Enphase SKU for control cable: CTRL-SC3-NA-01
EMT
3/4"
6
GROUNDING ELECTRODE COND
6 AWG
Bare 1 CU
N/A
N/A
7
THHN THWN-2
3/0 AWG
1 B Ll , 1 R L2 , 1 W NEUT , 1 G #6(GRIND)
EMT
2"
8
THHN THWN-2
12 AWG
1 B 1-1 , 1 R L2
EMT
3/4"
Q EQUIPMENT SCHEDULE
TAG
EQUIPMENT
LOCATION
DESCRIPTION
1
SOLAR PV MODULE
East, South & West Roofs of House
20.91 kW System: 51 REC Modules; 41OW Each; REC410AA Pure
2
PV ARRAY
East, South & West Roofs of House
50 Modules: See Array Specifications for String Info
3
MICRO -INVERTERS
Underneath Each Module
51 Enphase Micro -inverters: (1) IQ8PLUS-72-2-US Microinverter per Modules; RSD Compliant
4
JUNCTION BOX
Mounted Underneath Array
NEMA 311;
5
AC COMBINER PANEL / Disconnect
Southwest Exterior House Wall
240V IQ Combiner SC Panel with IQ Gateway; X-IQ-AM1-240-4 NEMA 311; (4) 20A Eaton BR -style breakers
6
IQ SYSTEM CONTROLLER 3G
Southwest Exterior House Wall
(1) Enphase IQ System Controller 3; SC200D111C240US01; (1) Pre installed Quad breaker 20 A-40 A, 10 kAIC, Eaton BQC220240
7
200A SERVICE PANEL
Southwest Interior House/Garage Wall
24 VVAC. 200AMP MAIN, 225AMP BUS
8
UTILITY METER
Southwest Exterior House Wall
Existing SCL Utility Meter # 1000553856
9
BATTERY
Southwest Exterior House Wall
(4) Enphase IQ Battery 513; IQBATTERY-5P-IP-NA
10
AC DISCONNECT
Southwest Exterior House Wall
240V Disconnect; Visible Lockable Break; Heavy Duty; 200A Rated; 200A Fuses
One -Line Standard Electrical Diagram for SYSTEM SIZE AE JOB NO. DWG NO REVISION
' �. Small -Scale Single -Phase PV System 20.91 kW 22-10825 E1.1 Drawn By: DANIEL CHILDS
969 S Nebraska St � 9 y
AR T I&A,N Seattle, WA 98108 Site Name: Mike Frost Photovoltaic system
206-557-4215 Site Address: 23715 - 74th Ave W, Edmonds, WA 98026 Scale: NTS Sheet 1 Date: 8/6/2023 Checked By:
System AC Size: 20.91 kW Solar Array
AC Disconnect
(Exterior House)
PV & Battery
Circuit
Nominal Voltage
Imax
240 V
92.5 A
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
r
(4) Shielded I
I
g
LINE
iFplwCla+d
#24 AWG I
7
7
M
CTs (Untwisted Pairs) I
I
I
I
°
IQ System Controller 3G1
Enphase IQ
225A BUS
Combiner 5C
I
Main Panel
zoOA Main
I
NFr& IQGafeway
�=
n"."Break
To IQ Gateway
I
Im ®
'
Cell
Modem
-Ethernet
I
80A Battery
Auto trans ormer
10
Meter #
Integrated
Wi-Fi
I
I
® ®
® ®
80A Combiner
6
1000553856
IQGate
7
Loaa Cenrer
---Ron Battery12 —
— —
--- Cr on Consumption L2 Z I
--- CT on Consumption LS— J `
---CT onPV_1--,
NOl 02 NCl NQ NC3
5
System
Z
Talnsyscontroller 1 I r —
Shutdown
7General
Switch
Hold Down Kit
Main lugs
soa
5 I
I I
-----_
4
° O TQor——rt——---
0
I
I
_
3
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Junction I--'---------------s
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Box 2
L,
4
I
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8
--
-- ---
— — — — — — — — — — — — — — — — — I
Combined Inverter &
BMs
BMs
BMs
BMs
Battery Max Output
Enphase IQ
Enphase IQ
Enphase IQ
Enphase IQ
with Safety Factor
5P
5P
5P
SIP157.14
Amps
Module
Ratings
Module
Ratings
IQ8PLUS-72-2-US
IQ8PLUS-72-2-US
Inverters
13
Inverters
12
Output
240 V
Output
240 V
Output A
1.21 A
Output A
1.21 A
String A
15.73 A
String A
14.52 A
Module
Ratings
Design Temp
REC410AA Pure
Hot
29°C
Imp
9.61 A
Nom
24°C
Isc
10.35 A
Cold
-17°C
Vmp
42.7 V
TcVoc
-.24%/°C
Voc
49.0 V
MaxVoc
53.9 V
ARRAY SPECIFICATIONS
Combined Array Specs
20.91 kW
41OW REC
51 Modules
(3) Circuits of (13) Modules
(1) Circuits of (12) Modules
(1) Micro -inverter per module.
p CONDUIT AND CONDUCTOR SCHEDULE
TAG
DESCRIPTION OF CONDUCTOR TYPE
COND.
GAUGE
NUMBER OF
CONDUCTORS
CONDUIT
TYPE
CONDUIT
SIZE
1
Cables Listed with Module
12 AWG
2 Black
N A
N/A
2
THHN THWN-2
12 AWG
4 B L1 , 4 R L2 , 1 G #10 EGC
EMT
3/4"
3
THHN THWN-2
12 AWG
1 B, 1 R, 10, 1 P Buttspliced to 16 AWG
EMT
3/4"
4
THHN THWN-2
4 AWG
1 B L1 , 1 R L2 , 1 W NEUT , 1 G #10 GND
EMT
1"
5
Enphase Control Signal Cable
CTRL-SC3-NA-01
Enphase SKU for control cable: CTRL-SC3-NA-01
EMT
3/4"
6
GROUNDING ELECTRODE COND
6 AWG
Bare 1 CU
N/A
N/A
7
THHN THWN-2
3/0 AWG
1 B Ll , 1 R L2 , 1 W NEUT , 1 G #6 GRND
EMT
2"
8
THHN THWN-2
12 AWG
1 B L1 , 1 R L2
EMT
3/4"
Q EQUIPMENT SCHEDULE
TAG
EQUIPMENT
LOCATION
DESCRIPTION
1
SOLAR PV MODULE
East, South & West Roofs of House
20.91 kW System: 51 REC Modules; 41OW Each; REC410AA Pure
2
PV ARRAY
East, South & West Roofs of House
50 Modules: See Array Specifications for String Info
3
MICRO -INVERTERS
Underneath Each Module
51 Enphase Micro -inverters: (1) IQ8PLUS-72-2-US Microinverter per Modules; RSD Compliant
4
JUNCTION BOX
Mounted Underneath Array
NEMA 311;
5
AC COMBINER PANEL / Disconnect
Southwest Exterior House Wall
240V IQ Combiner 5C Panel with IQ Gateway; X-IQ-AM1-240-4 NEMA 311; (4) 20A Eaton BR -style breakers
6
IQ SYSTEM CONTROLLER 3G
Southwest Exterior House Wall
(1) Enphase IQ System Controller 3; SC200D111C240US01; (1) Pre installed Quad breaker 20 A-40 A, 10 kAIC, Eaton BQC220240
7
200A SERVICE PANEL
Southwest Interior House/Garage Wall
24 VVAC. 200AMP MAIN, 225AMP BUS
8
UTILITY METER
Southwest Exterior House Wall
Existing SCL Utility Meter # 1000553856
9
BATTERY
Southwest Exterior House Wall
(4) Enphase IQ Battery 5P; IQBATTERY-5P-IP-NA
10
AC DISCONNECT
I Southwest Exterior House Wall
240V Disconnect; Visible Lockable Break; Heavy Duty; 200A Rated; 200A Fuses
One -Line Standard Electrical Diagram for SYSTEM SIZE AE JOB NO. DWG NO REVISION
' �. Small -Scale Single -Phase PV System 20.91 kW 22-10825 E1.1 Drawn By: DANIEL CHILDS
969 S Nebraska St � 9 y
AR T I&A,N Seattle, WA 98108 Site Name: Mike Frost Photovoltaic system
206-557-4215 Site Address: 23715 - 74th Ave W, Edmonds, WA 98026 Scale: NTS Sheet 1 Date: 8/6/2023 Checked By:
System AC Size: 20.91 kW Solar Array
1.) LOWEST EXPECTED AMBIENT TEMPERATURE
BASED ON ASHRAE MINIMUM MEAN EXTREME
DRY BULB TEMPERATURE FOR ASHRAE LOCATION
MOST SIMILAR TO INSTALLATION LOCATON.
LOWEST EXPECTED AMBINET TEMP: -17 °C
2.) HIGHEST CONTINUOUS AMBIENT
TEMPERATURE BASED ON ASHRATE HIGHEST
MONTH 2% DRY BULB TEMPERATURE FOR
ASHRAE LOCATION MOST SIMILAR TO
INSTALLATION LOCATION. HIGHEST CONTINUOUS
TEMPERATURE: 28.4°C
3.) 2013 ASHRAE FUNDEMENTALS 2% DESIGN
TEMPERATURES DO NOT EXCEED 47°C IN THE
UNITED STATES. FOR LESS THAN 9 CURRENT -
CARRYING CONDUCTORS IN ROOF -MOUNTED
SUNLIT CONDUIT AT LEAST 7/8" ABOVE ROOF
AND USING THE OUTDOOR DESIGN
TEMPERATURE OF 47°C OR LESS (ALL OF UNITED
STATES)
a.) 12AWG, 90°C CONDUCTORS ARE GENERALLY
ACCEPTABLE FOR MODULES WITH Isc OF
7.68AMPS OR LESS WHEN PROTECTED BY A
12AMP OR SMALLER FUSE.
b.) 10AWG, 90°C CONDUCTORS ARE GENERALLY
ACCEPTABLE FOR MODULES WITH Isc OF
9.6AMPS OR LESS WHEN PROTECTED BY A 15-
AMP OR SMALLER FUSE.
One -Line Standard Electrical Diagram for SYSTEM SIZE AE JOB NO. DWG NO REVISION
Small -Scale Single -Phase PV S Drawn By: DANIEL CHILDS
969 S Nebraska St � stem 20.91 kW 22-10825 E1.2 9 y
ill? i I,rii�� 1 Seattle, WA 98108 Site Name: Mike Frost Photovoltaic system
206-557-4215 Site Address: 23715 - 74th Ave W, Edmonds, WA 98026 Scale: NTS Sheet 2 Date: 8/6/2023 Checked By:
System AC Size: 20.91 kW Solar Array