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1" = 20'
N
PV-1.0
PV-1.1
PV-2.0
PV-3.0
PV-3.1
PV-4.1
Attached
Plot Plan & Photovoltaic Layout
Project Notes, Conduit & Grounding Detail
Racking Details
Fire Labels & Equipment Elevation
Fire Placard
3 Line Diagram
Manufacture Spec. Sheets
OCCUPANCY GROUP: R-3
TYPE OF CONSTRUCTION: TYPE V-B
AUTHORITY HAVING JURISDICTION: PALM DESERT CITY
ASSESSORS PARCEL NUMBER: #625142001
NUMBER OF STORIES: 1-Story
ROOF PITCH: 20°
Conduit On Roof Conduit In AtticFence Line Block WallProperty LinesRoof Access Point Conduit In Trench
PROPOSED 8.8 KW DC SYSTEM (STC) AT 45420 ABRONIA TRAIL, PALM DESERT, CA 92260
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
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(N) Junction Box
4 Vicinity Map
Scale: NTS
2 Site Information
Scale: N/A
SOUTHERN CALIFORNIA EDISON UTILITYSCOPE OF WORK:
THE INSTALLATION CONSISTS OF A 8.8 KW DC SYSTEM
(STC) ROOFTOP SOLAR ARRAY, A CENTRALIZED INVERTER,
AND RELATED ELECTRICAL METERING AND SAFETY
EQUIPMENT. ALL EQUIPMENT WILL BE INSTALLED AS
REQUIRED BY APPLICABLE CODES AND THE LOCAL UTILITY
COMPANY.
(N) (20) URECO FAM440E8G-BB
(N) (20) SolarEdge S440 [HD] Optimizers
(E) 225A MSP w/(E) 200A Main Breaker
(N) SolarEdge_Technologies SE7600H-US (HD WAVE)(240V)
1 Sheet Index
Scale: N/A
3 AHJ Notes
Scale: N/A
45420 Abronia Trail, Palm
Desert, CA 92260, USA
2022 CA ELECTRICAL CODE
.
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
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REVISION BLOCK
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PV INSTALLATION
PROFESSIONAL
Design By:
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PV-1.1
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4 Interconnection Notes
Scale: N/A
CODE BOOK:
BREAKER SIZES:
WIRE AMPACITY TABLE:
MAX SYSTEM VOLTAGE CORRECTION:
NUMBER OF CONDUCTORS CORRECTION:
AMBIENT TEMPERATURE CORRECTION:
AMBIENT TEMPERATURE ADJUSTMENT:
DC GROUNDING ELECTRODE CONDUCTOR:
AC GROUNDING ELECTRODE CONDUCTOR:
RACK GROUNDING ELECTRODE CONDUCTOR:
MAXIMUM OCPD (120% RULE):
2022 CEC
CEC 240.6(A)
CEC 310.15(B)(16)
CEC 690.7(A)
CEC 310.15(B)(3)(A)
CEC 310.15(B)(2)(A)
CEC 310.15(B)(3)(C)
UNGROUNDED DC SYSTEM
CEC 250.50
CEC 690.47(B)
CEC 705.12
2 Electrical Code References
Scale: N/A
1 Applicable Codes
Scale: N/A
3 Equipment Location
Scale: N/A
1.RACKING SYSTEM & PV ARRAY WILL BE INSTALLED ACCORDING TO
CODE-COMPLIANT INSTALLATION TOP CLAMPS REQUIRE A DESIGNATED SPACE
BETWEEN MODULES, AND RAILS MUST ALSO EXTEND A MINIMUM DISTANCE
BEYOND EITHER EDGE OF THE ARRAY/SUBARRAY, ACCORDING TO RAIL
MANUFACTURER’S INSTRUCTIONS.
2.JUNCTION BOX WILL BE INSTALLED PER MANUFACTURER'S SPECIFICATIONS. IF
ROOF-PENETRATING TYPE, IT SHALL BE FLASHED & SEALED PER LOCAL
REQUIREMENTS.
3.ROOFTOP PENETRATIONS FOR PV RACEWAY WILL BE COMPLETED AND
SEALED WITH APPROVED CHEMICAL SEALANT PER CODE BY A LICENSED
CONTRACTOR.
4.ALL PV RELATED ROOF ATTACHMENTS TO BE SPACED NO GREATER THAN THE
SPAN DISTANCE SPECIFIED BY THE RACKING MANUFACTURER.
1.ALL CONDUIT AND WIRE WILL BE LISTED AND APPROVED FOR THEIR
PURPOSE. CONDUIT AND WIRE SPECIFICATIONS ARE BASED ON MINIMUM
CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT UP-SIZING.
2.DC WIRING LIMITED TO MODULE FOOTPRINT. MICRO INVERTER WIRING
SYSTEMS SHALL BE LOCATED AND SECURED UNDER THE ARRAY WITH
SUITABLE WIRING CLIPS.
3.AC CONDUCTORS COLORED OR MARKED AS FOLLOWS:
3.1.PHASE A OR L1- BLACK
3.2.PHASE B OR L2- RED, OR OTHER CONVENTION IF THREE PHASE
3.3.PHASE C OR L3- BLUE, YELLOW, ORANGE*, OR OTHER CONVENTION
3.4.NEUTRAL- WHITE OR GREY IN 4-WIRE DELTA CONNECTED SYSTEMS THE
PHASE WITH HIGHER VOLTAGE TO BE MARKED ORANGE.
1.THE SUM OF THE UTILITY OCPD AND INVERTER CONTINUOUS INPUT MAY NOT
EXCEED 120% OF BUSBAR RATING.
2.WHEN SUM OF THE PV SOURCES EQUALS >100% OF BUSBAR RATING, PV
DEDICATED BACKFFED BREAKERS MUST BE LOCATED OPPOSITE END OF THE
BUS FROM THE UTILITY SOURCE OCPD.
3.AT MULTIPLE PV OUTPUT COMBINER PANEL, TOTAL RATING OF ALL OVER
CURRENT DEVICES SHALL NOT EXCEED AMPACITY OF BUSBAR.
4.SUPPLY SIDE TAP INTERCONNECTION WITH SERVICE ENTRANCE CONDUCTORS
BACK FEEDING BREAKER FOR UTILITY-INTERACTIVE INVERTER OUTPUT IS
EXEMPT FROM ADDITIONAL FASTENING.
1.GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FOR THEIR PURPOSE,
AND GROUNDING DEVISES EXPOSED TO THE ELEMENTS SHALL BE RATED
FOR SUCH USE.
2.PV EQUIPMENT SHALL BE GROUNDED METAL PARTS OF MODULE FRAMES,
MODULE RACKING, AND ENCLOSURES.
3.EQUIPMENT GROUNDING CONDUCTORS SHALL BE SIZED ACCORDING TO
MICRO INVERTER MANUFACTURER'S INSTRUCTIONS.
4.THE GROUNDING CONNECTION TO A MODULE SHALL BE ARRANGED SUCH
THAT THE REMOVAL OF A MODULE DOES NOT INTERRUPT A GROUNDING
CONDUCTOR TO ANOTHER MODULE.
5.GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE
COLORED GREEN OR MARKED GREEN IF #4 AWG OR LARGER.
6.IF EXISTING SYSTEM IS INACCESSIBLE, OR INADEQUATE, A GROUNDING
ELECTRODE SYSTEM PROVIDED.
1.DISCONNECTING SWITCHES SHALL BE WIRED SUCH THAT WHEN THE
SWITCH IS OPENED, THE CONDUCTORS REMAINING ENERGIZED ARE
CONNECTED TO THE TERMINALS MARKED “LINE SIDE” (TYPICALLY THE
UPPER TERMINALS).
2.DISCONNECTS TO BE ACCESSIBLE TO QUALIFIED UTILITY PERSONNEL, BE
LOCKABLE, AND BE A VISIBLE-BREAK SWITCH
3.RAPID SHUTDOWN OF ENERGIZED CONDUCTORS BEYOND 10 FT OF PV
ARRAY OR 5 FT INSIDE A BUILDING WITHIN 10 SECONDS. CONTROLLED
CONDUCTORS ≤30V AND ≤240VA. LOCATION OF LABEL ACCORDING TO
AHJ.
4.IF REQUIRED BY AHJ, SYSTEM WILL INCLUDE ARC-FAULT CIRCUIT
PROTECTION.
1.MODULES ARE LISTED UNDER UL 1703 AND CONFORM TO THE STANDARDS.
2.INVERTERS ARE LISTED UNDER UL 1741 AND CONFORM TO THE STANDARDS.
3.DRAWINGS ARE DIAGRAMMATIC, INDICATING GENERAL ARRANGEMENT OF THE
PV SYSTEM AND THE ACTUAL SITE CONDITION MIGHT VARY.
4.WORKING CLEARANCES AROUND THE ELECTRICAL EQUIPMENT WILL BE
MAINTAINED.
5.ALL GROUND WIRING CONNECTED TO THE MAIN SERVICE GROUNDING IN MAIN
SERVICE PANEL/ SERVICE EQUIPMENT.
6.ALL CONDUCTORS SHALL BE 600V, 90°C STANDARD COPPER UNLESS
OTHERWISE NOTED.
7.WHEN REQUIRED, A LADDER SHALL BE IN PLACE FOR INSPECTION IN
COMPLIANCE WITH OSHA REGULATIONS.
8.THE SYSTEM WILL NOT BE INTERCONNECTED BY THE CONTRACTOR UNTIL
APPROVAL FROM THE LOCAL JURISDICTION AND/OR THE UTILITY.
9.ROOF ACCESS POINT SHALL BE LOCATED IN AREAS THAT DO NOT REQUIRE THE
PLACEMENT OF GROUND LADDERS OVER OPENINGS SUCH AS WINDOWS OR
DOORS, AND LOCATED AT STRONG POINTS OF BUILDING CONSTRUCTION
WHERE THE ACCESS POINT DOES NOT CONFLICT WITH OVERHEAD
OBSTRUCTIONS SUCH AS TREES, WIRES OR SIGNS.
10.PV ARRAY COMBINER/JUNCTION BOX PROVIDES TRANSITION FROM ARRAY
WIRING TO CONDUIT WIRING
1.ALL EQUIPMENT SHALL MEET MINIMUM SETBACKS.
2.WIRING SYSTEMS INSTALLED IN DIRECT SUNLIGHT MUST BE RATED FOR
EXPECTED OPERATING TEMPERATURE.
3.ADDITIONAL AC DISCONNECT(S) SHALL BE PROVIDED WHERE THE INVERTER IS
NOT WITHIN SIGHT OF THE AC SERVICING DISCONNECT.
4.ALL EQUIPMENT SHALL BE INSTALLED ACCESSIBLE TO QUALIFIED PERSONNEL.
5.ALL COMPONENTS ARE LISTED FOR THEIR PURPOSE AND RATED FOR OUTDOOR
USAGE WHEN APPROPRIATE
5 General Notes
Scale: N/A
7 Grounding Notes
Scale: N/A 11 Disconnection & OCPD Notes
Scale: N/A
6 Wiring & Conduit Notes
Scale: N/A 10 Structural Notes
Scale: N/A
Strut Strap
Strain Relief
Module
2" x 6" Block
Junction Box
Rain Tight, Steel
EMT Connector
DC (PV) or AC
(MicroInverter) Cable
CONDUIT RUN ABOVE ROOF
Raceway Above Roof:
Minimum Height: 7/8"
Roof Framing
EMT Conduit
FLEX Conduit Through Attic
(18" Below Roof Material)
EPMD
Flashing
Strut Strap
Strain Relief
Module
2" x 6" Block
Junction Box
Rain Tight, Steel
EMT Connector
DC (PV) or AC
(MicroInverter) Cable
Raceway Above Roof:
Minimum Height: 7/8"
Roof Framing
CONDUIT RUN THROUGH ATTIC
8 Conduit Run Details
Scale: NTS
9 Grounding Details
Scale: NTS
UNIVERSAL FASTENING OBJECT (UFO)
THE UFO SECURELY BONDS SOLAR MODULES TO XR
RAILS. IT COMES ASSEMBLED AND LUBRICATED, AND
CAN FIT A WIDE RANGE OF MODULE HEIGHTS.
PV MODULE
IRONRIDGE RAIL
RAIL SPLICE
SELF TAPING SCREW
Rail to Rail
(In The Same Row)
Module to Module &
Module to Rail
Rail to Rail
(In The Different Rows)
ATTACH ILSCO GBL-4DBT
GROUND LUGS
W/STAINLESS STEEL
MACHINE SCREW
(FOR EXTERIOR, WET
LOCATIONS)
SOLID COPPER
GROUND WIRE
EQUIPMENT
NTS REMOVAL OF ONE PIECE OF
EQUIPMENT SHALL NOT DISCONNECT
THE BONDING CONNECTION BETWEEN
ANY OTHER PIECES.
NTS REMOVAL OF ONE PIECE OF
EQUIPMENT SHALL NOT DISCONNECT
THE BONDING CONNECTION BETWEEN
ANY OTHER PIECES.
PV MODULE FRAME
IRONRIDGE RAIL
IronRidge UFO
PV Module Min. 3.5" Above Roof
End Clamp
T-Bolt
Pro Solar Fast Jacks
Foam Roof
(2) 5/16"x3" Lag Bolt (Min. 2.5" Embedded)
Iron Ridge Support Rail
4.5" Standoff
4" X 6" Ra
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"
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1/8" = 1'-0"
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
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REVISION BLOCK
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ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
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W
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Array Quantity Mounting Type Array Tilt Azimuth Att. Spacing
AR-01 20 Flush Mounted 20°223 72"
Roof Type
Foam**
1 PV Racking & Roof Framing Plan
Scale:
X
Modules RailsRaftersObstructionsAttachmentsFire Clearance
PV-2.0
SHEET
AR-01
Roof Material: Foam.
Roof Framing: Rafter.
Framing Size & Spacing: 4" x 6", 24" O.C.
Framing Span & Roof Pitch: 6'-0", 20° Pitch
Framing Species & Grade: Douglas Fir Larch #2.
Racking / Rail Manufacture: IronRidge 14 Ft. Rails
Attachment Manufacture: Pro Solar Fast Jacks.
Number of Attachments: 38 Attachments
Racking Weight: 3.56 Lbs. / Module
Modules: (20) URECO FAM440E8G-BB
Module Dimensions: 82.99'' x 41.26'' x 1.38''
Module Weight & Sq.Ft. : 53.79 Lbs. , 23.78 Sq.Ft.
Array Sq.Ft. : 475.6 Sq.Ft.
Weight w/Racking & Add Ons: 1187 Lbs.
Weight (Lbs.) / Attachment: 31.24 Lbs. / Attachment.
Distributed Weight on Roof: 2.5 Lbs. / Square Foot.
3 Roof 1 Attachment Detail
Scale: NTS
2 Roof 1 Calculations
Scale: N/A
NOTE: ROOF FRAMING MEMBER'S SIZE, SPAN, AND
SPACING TO BE VERIFIED IN FIELD PRIOR TO INSTALL.
IF ROOF FRAMING INFORMATION DIFFERS FROM
WHAT IS INDICATED ON THE PLANS, CONTACT DESIGN
ENGINEER PRIOR TO INSTALL.
Ridge Setback Calculations
Total Roof Area: 1550 SqFt.
Single Module Area: 23.78 SqFt.
Total Number of Modules: 20
Total PV Area: 475.6 SqFt.
Percentage of Coverage: 31%
Fire Sprinklers Installed: NO
PER NEC 690.54
PHOTOVOLTAIC AC DISCONNECT
RATED AC OPERATING CURRENT: 32A
NOMINAL OPERATING AC VOLTAGE: 240V
MAXIMUM VOLTAGE:
MAXIMUM CIRCUIT CURRENT:
480V
20A
WARNING
WARNING
ELECTRICAL SHOCK HAZARD
TERMINALS ON THE LINE AND
LOAD SIDES MAY BE ENERGIZED
IN THE OPEN POSITION
PER NEC 690.13(B)
WARNING
TURN OFF PHOTOVOLTAIC
AC DISCONNECT PRIOR TO
WORKING INSIDE PANEL
PER NEC 110.27(C) & OSHA 1910.145(f)(7)
WARNING
ELECTRICAL SHOCK HAZARD
TERMINALS ON THE LINE AND
LOAD SIDES MAY BE ENERGIZED
IN THE OPEN POSITION
DC VOLTAGE IS ALWAYS PRESENT WHEN
SOLAR MODULES
ARE EXPOSED TO SUNLIGHT
PER NEC 690.13(B)
PER NEC 690.13(B)
PHOTOVOLTAIC
AC DISCONNECT
MAX RATED OUTPUT CURRENT OF THE
CHARGE CONTROLLER
OR DC-TO-DC CONVERTER
(IF INSTALLED):
1.
2.
5.
3.
PER NEC 690.53
WARNING
THE DISCONNECTION OF THE
GROUNDED CONDUCTORS(S)
MAY RESULT IN OVERVOLTAGE
OF THE EQUIPMENT
WARNING: PHOTOVOLTAIC
POWER SOURCE
WARNING
PHOTOVOLTAIC POWER SOURCE
DO NOT REMOVE UNLESS REPLACED IN EXACT LOCATION - PV POWER CIRCUIT DIRECTLY BELOW
DUAL POWER SOURCE
SECOND SOURCE IS PHOTOVOLTAIC SYSTEM
PER NEC 690.31(I)
PER NEC 690.31(G)(3)(4)
PER NEC 690.31(G)(1)
PER NEC 690.59 & NEC 705.12(B)(3-4)
PER NEC 690.52
WARNING
SINGLE 120-VOLT SUPPLY
DO NOT CONNECT
MULTIWIRE BRANCH CIRCUITS
PER NEC 710.15(C) & NEC 692.9(C)
PER NEC 690.15(C) & NEC 690.33(E)(2)
CAUTION
PHOTOVOLTAIC SYSTEM CIRCUIT IS BACKFED
PER NEC 690.13(F) & NEC 705.12(B)(3-4) & NEC 690.59
PER NEC 690.13(B)
POWER SOURCE OUTPUT
CONNECTION. DO NOT
RELOCATE THIS
OVERCURRENT DEVICE.
PER NEC 705.12(B)(2)(c)
6.
7.
8.
9.
11.
12.
13.
14.
15.
16.
17.
18.
TURN RAPID SHUTDOWN
SWITCH TO THE
"OFF" POSITION TO
SHUT DOWN PV SYSTEM
AND REDUCE
SHOCK HAZARD
IN THE ARRAY
PER IFC 605.11.3.1(2) & NEC 690.56(C)(1)(a)
RAPID SHUTDOWN SWITCH
FOR SOLAR PV SYSTEM
PER NEC 690.56(C)(3)
10.
19.
FOR AC MODULES ONLY
FORMAT:
(1) WHITE LETTERING ON A RED BACKGROUND
(2) MINIMUM 3/8 INCH LETTER HEIGHT
(3) ALL LETTERS SHALL BE CAPITALIZED
(4) ARIAL OR SIMILAR FONT, NON-BOLD
MATERIAL:
(1) REFLECTIVE, WEATHER RESISTANT MATERIAL
SUITABLE FOR THE ENVIRONMENT (USE UL-969)
AS STANDARD FOR WEATHER RATING. DURABLE
ADHESIVE MATERIALS MEET THIS
REQUIREMENT.
NOMINAL OPERATING AC VOLTAGE
NOMINAL OPERATING AC FREQUENCY
MAXIMUM AC POWER
MAXIMUM AC CURRENT
MAX OVERCURRENT DEVICE RATING
FOR AC MODULE PROTECTION
DO NOT DISCONNECT
UNDER LOAD
MAIN PHOTOVOLTAIC
SYSTEM DISCONNECT
WARNING
SOLAR PV SYSTEM EQUIPPED
WITH RAPID SHUTDOWN
SOLAR ELECTRIC
PV PANELS
PER NEC 690.13(B)
PHOTOVOLTAIC
DC DISCONNECT
4.
15A
240A
60A
8kW
32A
1.25
DC
AC
OFF
ON
Inverter
w/Integrated
DC Disconnect
DC
Conduit
JB
M
MSP
Backyard
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
2 Fire Labels
Scale: NTS
1 PV Equipment Location & Fire Label Placement Table
Scale: NTS
X
PV-3.0
SHEET
LABELS
1, 2
9, 11
3, 4, 6, 7, 8, 10, 19
1, 2, 7, 12, 14, 15, 16, 17, 18
LABEL PLACEMENT
JUNCTION BOX
DC CONDUIT
INVERTER
MAIN SERVICE PANEL
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
SERVICE POINT
UTILITY METERING
SOLAR PV ARRAY
WITH OPTIMIZERS
ROOF MOUNTED
N
NOTE: THE PLAQUE SHALL BE METAL OR PLASTIC, WITH ENGRAVED OR
MACHINE PRINTED LETTERS IN A CONTRASTING COLOR TO THE
PLAQUE, INCLUDE THE LOCATION OF METER, DISCONNECTS,
INVERTER, THE ARRAY AND A FOOTPRINT OF THE ENTIRE BUILDING
AND SITE. THE PLAQUE WILL BE ATTACHED BY POP-RIVETS, SCREWS
OR OTHER APPROVED FASTENERS.
CAUTION
POWER TO THE BUILDING IS ALSO SUPPLIED FROM
THE FOLLOWING SOURCES WITH
DISCONNECTS LOCATED AT SHOWN
0"
1 Fire Placard
Scale: NTS PV-3.1
SHEET
1"2"3"4"5"6"
0"
1"
2"
3"
4"
5"
6"
X
PV INVERTER WITH
INTEGRATED DC
DISCONNECT
454
2
0
A
b
r
o
n
i
a
T
r
a
i
l
.
SOUTHERN CALIFORNIA EDISON UTILITY
+-+-+-+-
G G G G
+-+-+-+-
G G G G
J-BOX
L1
L2
N
G
INVERTER 1
G
+
-
+
-
G
+
-
MP
P
T
1
+
-
MP
P
T
1
U L Listed
G
DC Disco.
PV
R
A
C
K
I
N
G
EQ
U
I
P
M
E
N
T
G
G
+-
GG
1 2
+-+-
9 10
+-
G G
PV
R
A
C
K
I
N
G
EQ
U
I
P
M
E
N
T
G
G
+-
GG
1 2
+-+-
9 10
+-
G G
1 Phase / 60 Hz.
PV OCPD
40A
Main Breaker
(E) 200A
To Utility Grid
Over-Head
Service Drop
L1
L2
N
G
N
G
L1L2
(E) 225A Rated MSP
(E) GROUNDING
ELECTRODE
Ground Rod
AC
.
1
DC
.
1
DC
.
2
PV BREAKER SHALL BE LOCATED AT OPPOSITE END OF BUS BAR
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
PV Module 1
(20) URECO
FAM440E8G-BB
Power at STC: 440W
Power at PTC: 410.8W
V-oc: 49.6V V-mp: 41V
I-sc: 11.34A I-mp:10.74A
V-oc Temp Coefficient: -0.27%/°C
Output (I-sc x 1.25 x 1.25): 17.7A
Inverter 1
SolarEdge_Technologies SE7600H-US (HD WAVE)(240V)
Max Output Current: 32A
Safety Rating: (32A x 1.25) = 40A
Minimum OCPD: 40A
Max Number of Strings: 2
Number of MPPT's: 1
Maximum Input Voltage: 480V
Transformerless (Y/N): Yes
Operating Current:11A
Operating Voltage:400V
Maximum System Voltage:480V
Short Circuit Current:30A
PV Optimizer 1
(20)SolarEdge S440 [HD]
Max I-sc Input: 14.5A
Max V-oc Input: 60V
Max Power Per String: 5700W
Inverter 1 (4400W/400V) = 11A
(4) #10 AWG PV Wire
(4) #10 AWG THWN-2
(2) #8 AWG THWN-2 (1) #8 AWG THWN-2
(1) #6 AWG Bare Copper
(1) #8 AWG THWN-2
(1) #8 AWG THWN-2
Not Applicable
3/4" EMT Conduit
3/4" EMT Conduit
7/8" - 3 1/2"
7/8" - 3 1/2"
"N/A"
Under Array
Above Roof
Exterior Wall
0.65
0.65
0.91
1
0.8
1
15A
15A
32A
26A
20.8A
50.1A
10 Ft.
20 Ft.
5 Ft.
400V
400V
240V
0.09%
0.19%
0.1%
22.8%
27.5%
DC.1
DC.2
AC.1
Conductor
Qty. Size & Type
Wire De-Rate Calculation
18.8A
18.8A
40A
40A
40A
55A
20A
20A
40A
X X =
X X =
X X =
Neutral
Qty. Size & Type
Raceway
Size & Type
Raceway
Height Above
Roof
Raceway
Location
Ambient
Temp
# of
Cond.
Output
Current
Final
Ampacity
Dist.
(Ft)
Voltage Voltage
Drop %
Conduit
Fill %
Ground
Qty., Size & Type
125% of
Output
Current
Wire
Rating
Min.
OCPD
Wire
Tag
1
Scale: NTS
X
SHEET
Ambient Temperature Information
Extreme Min Temp:-7°C
Ambient Temp:39°C
Ambient Temp. Adjustments
0" to 7/8" Above Roof:72°C
Voltage Drop Information
DC Voltage Drop:0.28%
AC Voltage Drop:0.1%
Total System Voltage Drop:0.38%
Main Service Panel 1
Existing 225A MSP, Top-Fed
1Ø, 3W, 120/240V
Utility: Southern California Edison
Interconnection: PV Breaker
Main Breaker De-Rated:No
PER NEC 705.12
Main Panel Interconnection Information
Bus Bar 1 Rating:
Main Breaker 1 Rating:
PV Back Feed (Actual Load):
PV OCPD:
Interconnection Calculation: 120% Rule
225A
200A
40A
40A
(40A + 200A) = 240A (<=) 270A
PV-4.1Three Line Diagram
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Module Data Sheets
Scale: NTS
X
DATA
SHEET
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Inverter Data Sheets
Scale: NTS
X
DATA
SHEET
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
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r
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d
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4
4
0
[
H
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7
6
0
0
H
-
U
S
(
H
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)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
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S
y
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m
S
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So
l
P
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w
e
r
49
9
3
7
R
e
d
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o
P
o
n
i
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n
t
e
Co
a
c
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l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
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y
H
a
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d
i
n
g
45
4
2
0
A
b
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i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Inverter Data Sheets
Scale: NTS
X
DATA
SHEET
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
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_
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c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
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o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Optimizer Data Sheets
Scale: NTS
X
DATA
SHEET
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Rail Data Sheets
Scale: NTS
X
DATA
SHEET
NABCEP
CERTIFIED
CNG SOLAR ENGINEERING, INC.
DESCRIPTION DATE
Initial Draft of Plans
Revisions Per Contractor
2/17/23
3/6/23
PR
O
J
E
C
T
I
N
F
O
.
REVISION BLOCK
CO
N
T
R
A
C
T
O
R
I
N
F
O
R
M
A
T
I
O
N
SY
S
T
E
M
I
N
F
O
R
M
A
T
I
O
N
ID#
PV INSTALLATION
PROFESSIONAL
Design By:
8.
8
k
W
D
C
S
y
s
t
e
m
(
S
T
C
)
(2
0
)
U
R
E
C
O
F
A
M
4
4
0
E
8
G
-
B
B
(2
0
)
S
o
l
a
r
E
d
g
e
S
4
4
0
[
H
D
]
O
p
t
i
m
i
z
e
r
s
So
l
a
r
E
d
g
e
_
T
e
c
h
n
o
l
o
g
i
e
s
S
E
7
6
0
0
H
-
U
S
(
H
D
WA
V
E
)
(
2
4
0
V
)
8.
1
3
k
W
C
E
C
A
C
S
y
s
t
e
m
S
i
z
e
So
l
P
o
w
e
r
49
9
3
7
R
e
d
o
n
d
o
P
o
n
i
e
n
t
e
Co
a
c
h
e
l
l
a
,
C
A
9
2
2
3
6
(7
6
0
)
2
9
6
-
0
0
1
2
C-
1
0
#
1
0
8
2
0
5
0
St
a
c
e
y
H
a
r
d
i
n
g
45
4
2
0
A
b
r
o
n
i
a
T
r
a
i
l
Pa
l
m
D
e
s
e
r
t
,
C
A
9
2
2
6
0
AP
N
#
6
2
5
1
4
2
0
0
1
1 Attachment Data Sheets
Scale: NTS
X
DATA
SHEET