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4 (1) #8 AWG CU THWN-2 EGC (1) #4 AWG CU THWN-2 NEUT (2) #4 AWG CU THWN-2 FILL: 0.2683 IN^2 1" EMT ON STRUCTURES, 31% FILL DISTANCE: 10 FT, 0.12% VDROP 1 (1) #6 AWG CU SOLID CU EGC (2) #10 AWG CU PV WIRE DISTANCE: 5 FT, 0.33% VDROP 3 (1) #8 AWG CU THWN-2 EGC (8) #10 AWG CU THWN-2 FILL: 0.1821 IN^2 0.75" EMT ON STRUCTURES, 34% FILL DISTANCE: 70 FT, 0.51% VDROP 6 (1) #6 AWG CU THWN-2 EGC (1) #1/O AWG CU THWN-2 NEUT (2) #1/O AWG CU THWN-2 FILL: 0.6072 IN^2 1.5" EMT ON STRUCTURES, 30% FILL DISTANCE: 25 FT, 0.24% VDROP 5 (1) #6 AWG CU THWN-2 EGC (1) #1/O AWG CU THWN-2 NEUT (2) #1/O AWG CU THWN-2 FILL: 0.6072 IN^2 1.5" EMT ON STRUCTURES, 30% FILL DISTANCE: 100 FT, 0.96% VDROP 2 (1) #6 AWG CU THWN-2 EGC (2) #10 AWG CU PV WIRE FILL: 0.1195 IN^2 0.75" EMT ON STRUCTURES, 22% FILL DISTANCE: 10 FT, 0.22% VDROP TEMPERATURE TUSTIN MCAF: EXTREME MIN: 2°C 2% AVG HIGH TEMP: 31°C NOTES: 1.PROVIDE CONTINUOUS PATH FOR GROUND CONDUCTOR FROM THE INVERTER TO THE EXISTING MAIN SERVICE SWITCHBOARD GROUND BUS. GROUNDING ELECTRODE CONDUCTOR TO SERVE AS EQUIPMENT GROUND. PROVIDE LAY-IN LUGS TO BOND ALL EQUIPMENT ALONG THIS PATH TO THE GROUNDING ELECTRODE CONDUCTOR TO ALLOW FOR CONTINUOUS RUN. 2.ALL WORK TO COMPLY WITH 2022 CALIF. ELECTRIC CODE AND 2022 CALIF. ENERGY CODE. 3 THE ISSUANCE OF A PERMIT SHALL NOT PREVENT THE BUILDING OFFICIAL FROM REQUIRING THE CORRECTION OF ERRORS ON THESE PLANS OR FROM PREVENTING ANY VIOLATION OF THE CODES ADOPTED BY THE CITY, RELEVANT LAWS, ORDINANCES, RULES AND/OR REGULATIONS. 4.FOR FIRE RATED WALL/CEILING PENETRATION AND/OR MEMBRANE PENETRATION, COMPLETE NRTL CLASSIFICATION SHEETS SHALL BE PROVIDED TO THE INSPECTOR AT THE TIME OF INSPECTION. 5.GIVE SOUTHERN CALIFORNIA EDISON (SCE) WRITTEN NOTICE OF THE EXTENT AND NATURE OF ANY MATERIAL CHANGE IN THE SIZE, CHARACTER, OR EXTENT OF THE UTILIZING EQUIPMENT OR OPERATIONS FOR WHICH SCE IS SUPPLYING ELECTRIC SERVICE BEFORE MAKING ANY SUCH CHANGE. 6.WHERE THE BUILDING PROPERTY IS LOCATED IN A FLOOD ZONE AREA, ALL ELECTRICAL EQUIPMENT SHALL BE INSTALLED ONE FOOT ABOVE THE FLOOD BASE ELEVATION. 7.ALL INSTALLED MATERIALS AND EQUIPMENT SHALL BE LISTED U.L., NRTL OR LISTED AND APPROVED BY A CITY OF LONG BEACH APPROVED TESTING LABORATORY. 8 ALL NEW OVERCURRENT DEVICES INSTALLED IN EXISTING PANELS / SWITCHBOARDS SHALL MATCH THE MAKE, MODEL AND INTERRUPTING CAPACITY OF THE EXISTING OVERCURRENT DEVICES. 9.RACEWAY SEALS. CONDUITS OR RACEWAYS THROUGH WHICH MOISTURE MAY CONTACT LIVE PARTS SHALL BE SEALED OR PLUGGED AT EITHER OR BOTH ENDS. 10.NO PIPING, DUCTS OR EQUIPMENT FOREIGN TO ELECTRICAL EQUIPMENT SHALL BE PERMITTED TO BE LOCATED WITHIN THE DEDICATED SPACE ABOVE THE ELECTRICAL EQUIPMENT. (110.26(F)) 11.PROVIDE AND MAINTAIN REQUIRED WORK SPACE, ADEQUATE ILLUMINATION, ACCESS TO WORK SPACE AND HEAD ROOM ABOUT ELECTRICAL EQUIPMENT. (110.26) 12.ANY PIPING, DUCTWORK OR CONDUIT IS PROHIBITED IN FIRE RATED STAIRWELLS UNLESS ASSOCIATED WITH ILLUMINATION OF THE STAIRWELL OR THE BUILDING FIRE SUPPRESSION SYSTEM. MAX VOLTAGE DROP MODULE TO RAPID SHUT DOWN = 0.33% RAPID SHUT DOWN TO JBOX = 0.22% JBOX TO INVERTER = 0.51% INVERTER TO SUB PANEL = 0.12% SUB PANEL TO AC DISCONNECT= 0.96% AC DISCONENCT TO MAIN SERVICE =0.24% TOTAL = 2.38% 1 G 11.4 G INV ROOFTOP ARRAY -(36) 450 WATTS PER MODULE STRING CURRENT: 11.52A ISC, 10.93A IMP INVERTER 1 (11.4KW) (36) MODULES STRINGS 1-4: 9 MODULES (N) NONFUSED AC DISCONNECT FOR UTILITY OPERATION 240VAC, 2P, 125A, NEMA 3R, VISIBLE / LOCKABLE (RAPID SHUTDOWN SWITCH) JBOX TYP PER STRING: (E) MAIN SWITCHGEAR, 400A 120/ 240V, 1PH, 3W, NEMA 3R, W / (N) 350A MAIN BREAKER PROJECT TOTAL MODULES TOTAL SYSTEM SIZE: 32.4 kW DC, 29.536 kW ACcec PANEL SPECS: (72) VIETNAM SUNERGY JOINT STOCK COMPANY, VSUN450-144BMH, 450W MODULE AMPERAGE: 10.93 IMP, 11.52 ISC MODULE VOLTAGE: 41.2 VMP, 49.4 VOC TEMP. COEFFICIENTS OF Voc: -0.27%/°C PTC: 418.6ptc INVERTER SPECS: (2) SHENZHEN GROWATT NEW ENERGY CO., LTD., MIN 11400TL-XH-US [240V] 240/120V, 1PH, 3W, MAX OUTPUT = 48A CEC WEIGHTED EFFICIENCY: 98.0% OPTIMIZER / RAPID SHUTDOWN SPECS: (24) NEP PVG-3 20A MAX DC INPUT = 20A MAXIMUM OUTPUT VOLTAGE = 148.2V SYSTEM VOLTAGE MAXIMUM = 1500V SEE SPEC SHEET FOR ELECTRICAL PARAMETERS AND WARRANTY INFO 9 X 1 TO (MPPT 1) 9 X 1 TO (MPPT 2) INV 1 -11.4 kW STRINGS 1-4 36 MODULES NOTE: ALL PV WIRE TO BE A MINIMUM OF 1000Vdc RATED STRING CURRENT: 10.93 A IMP, 11.52A ISC STRING VOLTAGE: 9 MODULE STRINGS: 370.8VMP, 444.6VOC 120% RULE 705.12(D)(2)(3)(B) MAIN BUS: 400A MAIN BREAKER: 350A SOLAR OUTPUT: 96A (MAX SOLAR OUTPUT) 400A BUS X 120% -350A MAIN >96A X 125% 130A >120A --> 125A NEW BACKFED BREAKER O.K. 2 G 11.4 G INV JBOX TYP (N) SOLAR ONLY SUB PANEL, 125A 240/120V, 1PH, 3W, MLO, NEMA 3R GRD 60A/2P 60A/2P EL E C T R I C A L A R E A ( O U T S I D E ) ROOFTOP ARRAY -(36) 450 WATTS PER MODULE STRING CURRENT: 11.52A ISC, 10.93A IMP INVERTER 2 (11.4KW) (36) MODULES STRINGS 1-4: 9 MODULES INV 2 -11.4 kW STRINGS 1-4 36 MODULES KEY PANELS PER STRING STRINGS PER INPUT ARRAY X1 TO INPUT 2# X1 TO INPUT 1 # INVERTER NUMBER INVERTER SIZE (kW) X G G INV NEP PVG-3 20A POWER OPTIMIZER (1) MODULES PER INVERTER INTEGRATED DC DISCONNECT, 480VDC XX.X NEP PVG-3 RAPID SHUTDOWN DEVICE TYP 3 MODULES PER DEVICE NEP PVG-3 RAPID SHUTDOWN DEVICE TYP 3 MODULES PER DEVICE MAX STRING VOLTAGE = 11 MODULES PER STRING X (494 Voc + (-0.26%/°C X (2°C COLDEST -25°C STC) X 49.9Voc) = 576Voc <600Vdc OK G G 9 X 1 TO (MPPT 3) 9 X 1 TO (MPPT 4) 9 9 9 9 9 9 9 9 9 X 1 TO (MPPT 1) 9 X 1 TO (MPPT 2) 9 X 1 TO (MPPT 3) 9 X 1 TO (MPPT 4) PER STRING: RO O F T O P EL E C T R I C A L A R E A ( I N S I D E ) EL E C T R I C A L A R E A ( I N S I D E ) GRD (E) GROUND ROD MUTILITY CUSTOMER (N) 350A/3P MAIN SERVICE FROM UTILITY METER (N) 125A/3P PV BRKR MISC FACILITY LOADS CLIENT APPROVAL x_________________ Client Initials To scale on 24x36 paper X___________________________ Confidentiality Statement: 3/26/2025 5:49:22 PM Single Line Diagram Mu i r C h a s e P l u m b i n g Sa n t a A n a ( M C P ) 21 2 9 S W r i g h t S t S a n t a A n a , C A 92 7 0 5 E201 This drawing is the property of SOL IRVINE. This information is confidential and is to be used only in connection with work described by SOL IRVINE. No part is to be disclosed to others without written permission from SOL IRVINE SOL IRVINE LIC # C46 - 1050892 EXP: 3/31/25 SOL IRVINE SOL IRVINE 925-548-4924 16200 SCIENTIFIC WAY, IRVINE, CA 92618 12" = 1'-0"1 Single Line Diagram WIRING CHART Ca l l o u t # Am p s I s c NE C M u l t Am p s M a x Pa r a l l e l R u n s Nu m b e r C o n d u c t o r s Si z e C o n d u c t o r Co n d u c t o r M a t l In s u l a t i o n C o n d u c t o r Si z e N e u t r a l Si z e G r o u n d Co n d u i t Q t y Wi r e T e m p R a t i n g Wi r e A m b T e m p Wi r e R o o f T e m p Wi r e T e m p T o t a l Co n d u c t o r s C u r r e n t C a r r y i n g . . 1 11.52 1.56 18 1 2 #10 AWG CU PV WIRE NA #6 AWG 1 90 31 0 31 2 2 11.52 1.56 18 1 2 #10 AWG CU PV WIRE NA #6 AWG 1 90 31 0 31 2 3 11.52 1.56 18 1 8 #10 AWG CU THWN-2 NA #8 AWG 1 90 31 0 31 8 4 48 1.25 60 1 2 #4 AWG CU THWN-2 #4 AWG #8 AWG 1 90 31 0 31 2 5 96 1.25 120 1 2 #1/O AWG CU THWN-2 #1/O AWG #6 AWG 1 90 31 0 31 2 6 96 1.25 120 1 2 #1/O AWG CU THWN-2 #1/O AWG #6 AWG 1 90 31 0 31 2 WIRE RATING CHART Pa r a l l e l R u n s Wi r e A m p R a t i n g Wi r e T e m p D e r a t e Wi r e C o n d u c t o r D e r a t e Derated Wire Rating <= Amps Max . . 1 40 0.96 1 1 X 40A X 0.96 X 1 = 38 >= 18 1 40 0.96 1 1 X 40A X 0.96 X 1 = 38 >= 18 1 40 0.96 0.7 1 X 40A X 0.96 X 0.7 = 27 >= 18 1 95 0.96 1 1 X 95A X 0.96 X 1 = 91 >= 60 1 170 0.96 1 1 X 170A X 0.96 X 1 = 163 >= 120 1 170 0.96 1 1 X 170A X 0.96 X 1 = 163 >= 120 TERMINATION... Te r m T e m p R a t i n g Term Amp Rating >=Amps Max . . 60 30 >=18 60 30 >=18 60 30 >=18 60 70 >=60 75 150 >=120 75 150 >=120 VOLTAGE DROP CHART Vd r o p A m p s I m p Vd r o p V m p Vd r o p D i s t a n c e Vd r o p P e r c e n t . . 10.93 41.2 5 0.33 10.93 123.6 10 0.22 10.93 370.8 70 0.51 48 240 10 0.12 96 240 100 0.96 96 240 25 0.24 No. Descriptio n Date 1 A H J C o r r # 1 3/ 2 5 /2 5 1