PROJECT DESCRIPTION. SCOPE OF WORK (28) PV MODULES (TOTAL: x,xxx SQ. FT.) (1) 7.7 kw INVERTER (2) 8.0 kw, 12.0 kwh BATTERIES

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1 SHEET IDEX T.0 COVER E.0 ELECTRICAL DIARAM E. ELECTRICAL CALCULATIOS E.0 SAFETY PLACARDS E3.0 ELECTRICAL DETAILS PROJECT DESCRIPTIO THIS 9.4 KWSTC, ROOF MOUTED PHOTOVOLTAIC (PV) SYSTEM IS TO BE ISTALLED AT THE SILE-FAMILY DWELLI I LA VETA, COLORADO. THE EERY PRODUCED BY THE PV SYSTEM SHALL BE ITERCOECTED WITH THE EXISTI O-SITE ELECTRICAL EQUIPMET VIA A BACK-FED BREAKER I THE MAI SERVICE PAEL. THIS PROJECT ICLUDES () EERY STORAE BATTERIES. SCOPE OF WORK (8) PV MODULES (TOTAL:, SQ. FT.) (). kw IVERTER () 8.0 kw,.0 kwh BATTERIES SITE SPECIFICATIOS OCCUPACY CATEORY: II DESI WID SPEED: 06 MPH EXPOSURE CATEORY: C OVERI CODES 0 ATIOAL ELECTRICAL CODE 05 ITERATIOAL BUILDI CODE 05 ITERATIOAL MECHAICAL CODE 0 ITERATIOAL FIRE CODE W/ COLORADO STATE BUILDIS PRORAM AMEDMETS UDERWRITERS LABORATORIES (UL) STADARDS OSHA 9 CFR COSTRUCTIO OTES.) COTRACTOR SHALL FIELD VERIFY ALL DIMESIOS PRIOR TO IITIATI COSTRUCTIO..) COTRACTOR SHALL REVIEW ALL MAUFACTURER ISTALLATIO DOCUMETS PRIOR TO IITIATI COSTRUCTIO. 3.) ALL EQUIPMET SHALL BE LISTED BY U.L. (OR EQUAL) AD LISTED FOR ITS SPECIFIC APPLICATIO. 4.) ALL EQUIPMET SHALL BE RATED FOR THE EVIROMET I WHICH IT IS ISTALLED. 5.) ALL EQUIPMET SHALL BE ISTALLED I ACCORDACE WITH THE MAUFACTURER'S ISTALLATIO ISTRUCTIOS. 6.) ACCESS TO ELECTRICAL COMPOETS OVER 50 VOLTS TO ROUD SHALL BE RESTRICTED TO QUALIFIED PERSOEL..) ALL CODUCTORS SHALL BE COPPER, RATED FOR 600 VOLTS AD 90 C WET EVIROMET, ULESS OTHERWISE OTED. 8.) WHERE S OF JUCTIO BOXES, RACEWAYS, AD CODUITS ARE OT SPECIFIED, COTRACTOR SHALL THEM ACCORDI TO APPLICABLE CODES. 9.) PV MODULE FRAMES SHALL BE BODED TO RACKI RAIL OR BARE COPPER.E.C. PER THE MODULE MAUFACTURER'S LISTED ISTRUCTIO SHEET. 0.) PV MODULE RACKI RAIL SHALL BE BODED TO BARE COPPER.E.C. VIA WEEB LU, ILSCO BL-4DBT LAY-I LU, OR EQUIVLET LISTED LU..) ROUDI ELECTRODE CODUCTOR (.E.C.) SHALL BE COTIUOUS AD/OR IRREVERSIBLY SPLICED/WELDED..) ALL JUCTIO BOXES, COMBIER BOXES, AD DISCOECTS SHALL BE ISTALLED I A ACCESSIBLE LOCATIO. 3.) ROOF ACCESS POITS SHALL BE AT A STRO POIT O THE BUILDI AD OT REQUIRE THE PLACEMET OF LADDERS OVER EXTERIOR WALL OPEIS. 4.) WORKI SPACE AROUD ELECTRIAL EQUPMET SHALL COMPLY WITH EC 0.6 LA VETA, CO kwstc,. kw AC REVISIOS DESCRIPTIO DATE REV OE LIE 6/6/0 WIRI DIARAM /0/0 A SOE ECO 4//08 B Sheet umber: T.0 ASI B - " " DESI & DRAFTI BY: RICHARD DOBBIS # PV

2 () (E) = EQUIP. ROUDI CODUCTOR = CODUCTOR =FUSE = BREAKER = EW EQUIP. = EXISTI EQUIP. = LIE (BLACK) = LIE (RED) = EUTRAL (WHITE) = ROUD (REE) = POSITIVE (RED) = EATIVE (BLACK) TA PHASE CODUCTOR QTY, AD TYPE PER CODUIT WIRE AD CODUIT SCHEDUL E ROUD CODUCTOR QTY, AD TYPE PER CODUIT CODUIT CODUIT TYPE DIST. (E) EERATOR 40 VAC, 4.0 kw EMA 3R, UL LISTED (E) CODUCTORS RATED MI. 00 A DC /STRI AW #0 PV-WIRE AW #6 BARE CU /A /A 5 DC 8 AW #0 THW- AW #0 THW- " SCH40 PVC 80 AC 3 AW #8 THW- AW #8 THW- 3/4" EMT 0 AC 3 AW #8 THW- AW #8 THW- 3/4" EMT 0 (E) MAI SERVICE PAEL 40 VAC, 00 A EMA 3R, UL LISTED WIRI OTES:.) COECTIOS LABELED "COMM." SHALL USE MI. AW #4 AD. AW #6 WIRE..) REFERECE THE SOE ISTALLATIO MAUAL FOR MORE IFORMATIO. EXISTI LOADS TYP. 00 A () MAI SERVICE DISCOECT 00 A, 40 V, -P (E) BUS BARS: 00 A LA VETA, CO 8055 () BATTERY/IVERTER ECLOSURE (QTY. ) SOE ECO OUTPUT: 8.0 kw, 40 VAC, 33.3 A (RID), 33.3 A (BACKUP) PEAK EFFICIECY: 95.0% EMA, UL LISTED, IP- RATED kwh 00 A () BATTERY 50V LI-IO, kwh () IVERTER OUTBACK POWER 8048A AC MICRORID IPUT AC () AC BATTERY BREAKER #, 40 V, -P 9.4 kwstc,. kw AC () IVERTER OUTBACK POWER 8048A () AC BATTERY BREAKER #, 40 V, -P kwh 00 A () BATTERY 50V LI-IO, kwh E AC MICRORID IPUT AC REVISIOS DESCRIPTIO DATE REV OE LIE 6/6/0 WIRI DIARAM /0/0 A SOE ECO 4//08 B STRI STRI STRI 3 STRI 4 BLD ITERIOR WALL DC () JUCTIO BOX EMA 4X, UL LISTED DC O ROOFTOP () PV IVERTER SMA SB00TL-US- OUTPUT:.68 kw, 40 VAC, 3 A 96.5% CEC-WEIHTED EFFICIECY EMA 3R, UL LISTED, ITERAL FDI & AFCI UROUDED, TRASFORMERLESS UL LISTED DC DISCOECT MPPT 'A' MPPT 'B' AC BLD EXTERIOR/ITERIOR WALL TO EERATOR AUTO-START BLD ITERIOR WALL 40 A (E) MAI BODI JUMPER PER EC 50.8 & 50.8 (E) BODI JUMPER PER EC 50.9(A)() (E) ROUDI ELECTRODE CODUCTOR PER EC 50.6, 50.64, & (E) ROUDI ELECTRODE SYSTEM PER EC () PV BREAKER 40 A, 40 V, -P ISTALLED PER EC 05.(D)()(3)(B) Sheet umber: E.0 ASI B - " " DESI & DRAFTI BY: RICHARD DOBBIS # PV

3 MPPT "A" MPPT "B" Array Configuration System: 9.4 kwstc,. kw AC Total PV Module Qty: 8 TA DC DC Inverter I.D. # Inverter AC Power (kw): PV Power (kwstc): Inverter DC:AC Ratio Module Total Qty: Inv # String Qty: String Length: Ma Open Circuit Voltage 555 Operating Voltage: 40 Ma Short Circuit Current 5. Operating Current:.4 String Qty: String Length: Ma Open Circuit Voltage 555 Operating Voltage: 40 Ma Short Circuit Current 5. Operating Current:.4 PV Module Specifications Model umber: PAASOIC VBH330SA6 Weight: 40.8 lbs Dimensions: STC: 330 Watts Voc: 69. Volts DC Vmp: 58.0 Volts DC Isc: 6.0 Amps Imp: 5.0 Amps Voc Temp Coeff: -0.5 %/ C Ma DC Voltage: 600 Volts DC Local Record Low Temp: C Data Source: 5 C - Voc Temp Coefficient Record Low Temp. PV System Maimum Voltage Calculation per EC 690.(A) -30 ALAMOSA SA LUIS VALLEY RL + = Voc Correction Factor 0.5%/ C 55 C + = = Volts DC TA ORII DESTIATIO MATERIAL TEMP. RATI (in) Voc Correction Voc Factor CODUCTOR SPECIFICATIOS 30 C PER 30.5(B)(6) Ma # of Modules in Series CURRET 690.8(A)() = Temperature Corrected Open Circuit Voltage REQUIRED CODUCTOR Isc (Amps) COMBIED STRIS = CURRET PER 5% PER 690.8(B)() Refrigerator Sq. ft. of dwelling Description W/sq. ft. of lighting Load Schedule Amps Volts Watts Hours of operation Watt-hours Lighting load calculations per EC 0.4 Hours of operation % 6400 Total watts of lighting 300 -,000 35% 0 00,00 W and 5% Total: = CURRET PER CURRET PER < 690.8(B)() 690.8(B)() DC PV STRI JUCTIO BOX COPPER 90 C AW #0 40 Amps =.6 Amps.5 = 9.5 Amps 9.5 Amps < 40.0 Amps DC JUCTIO BOX IVERTER COPPER 5 C AW #0 35 Amps =.6 Amps.5 = 9.5 Amps 9.5 Amps < 35.0 Amps TA TA AC AC EVIROMET LOCAL % AV. HIH PV Inverter Specifications Model umber: SMA SB00TL-US- Power Rating:.68 kw AC ominal Voltage: 40 Volts AC Ma Output Current: 3.0 Amps CEC Weighted Efficiency: 96.5% Maimum DC Voltage: 600 DC Start Voltage: 50 Ma. MPPT Voltage: 480 Ma Current MPPT A: 8.0 MPPT Quantity: Ma Current MPPT B:.0 Inverter Quantity: Ma Current MPPT C: /A CODUCTOR TEMPERATURE DERATI HEIHT ABOVE ROOF (in) TEMP. ADDER OPERATI PER 30.5(B)(3)(c) CORRECTIO 30.5(B)()(a) CODUIT FILL DERATI UROUDED CODUCTORS 690.8(A)() CORRECTIO 30.5(B)(3)(a) CORRECTED CALCULATIO TEMP CODUIT DERATE FILL DERATE CHECK # CODUCTOR = CODUCTOR CURRET PER < 690.8(B)() OUTDOORS, SHADED (+0 C) 9 - /A /A = 36.4 Amps.6 Amps < 36.4 Amps UDERROUD (+0 C) 9 - /A = 4.5 Amps.6 Amps < 4.5 Amps ORII DESTIATIO MATERIAL CODUCTOR SPECIFICATIOS TEMP. RATI TRADE IVERTER OUTPUT CURRET IVERTERS = 5% PER 690.8(B)() CHECK # = CURRET PER CURRET PER < 690.8(B)() 690.8(B)() AC IVERTER MAI PAEL COPPER 5 C AW #8 mps 3.0 = 3.0 Amps.5 = 40.0 Amps 40.0 Amps < mps AC SOE ECO MAI PAEL COPPER 5 C AW #8 mps 33.3 = 33.3 Amps.5 = 4.6 Amps 4.6 Amps < mps CODUCTOR TEMPERATURE DERATI EVIROMET LOCAL % AV. HIH EXPECTED OPERATI CORRECTIO 30 C PER 30.5(B)(6) CODUIT FILL DERATI UROUDED CORRECTIO CODUCTORS 30.5(B)(3)(a) Battery Inverter Specifications Model umber: SOE ECO Power Rating (W AC): 8000 Ma Utility Input Current (A): 33.3 ominal Voltage (VAC): 40 Backup Output Current (A): 33.3 DC Charge Current (A): 30 Ma Surge Current (A)*: 00 ominal Voltage (VDC): Voltage Range (VDC): CEC Efficiency: Inverter Quantity: 9.5% *Surge current is typically only seen in off-grid (backup) mode and is limited to 0ms. Consult manufacturer's specifications for more information. REQUIRED CODUCTOR CODUCTOR CURRET PER 690.8(A)(3) CORRECTED CALCULATIO CODUIT TEMP DERATE FILL DERATE = CORRECTED CURRET PER < VOLTAE DROP OE-WAY DISTACE CHECK # CODUCTOR EXT. BLD. WALL (+5 C) = 43.5 Amps 3.0 Amps < 43.5 Amps IDOORS (+0 C) = mps 33.3 Amps < 50.0 Amps CHECK # 690.8(B)() CODUCTOR VOLTAE DROP 5 ft 0.0% 80 ft.04% CORRECTED VOLTAE DROP OE-WAY DISTACE VOLTAE DROP 0 ft 0.% 0 ft 0.% DESCRIPTIO DATE REV OE LIE 6/6/0 Sheet umber: LA VETA, CO kwstc,. kw AC REVISIOS WIRI DIARAM /0/0 A SOE ECO 4//08 B E. ASI B - " " DESI & DRAFTI BY: RICHARD DOBBIS # PV

4 WARI ELECTRIC SHOCK HAZARD. DOOTTOUCH TERMIALS. TERMIALS O BOTHTHELIEADLOAD SIDES MAY BE EERIZED I THE OPE POSITIO. PHOTOVOLTAIC POWER SOURCE THIS SITE COTAIS A STAD-ALOE ELECTRICAL POWER SYSTEM. WARI IVERTER OUTPUT COECTIO. DO OT RELOCATE THIS OVERCURRET DEVICE REQ'D BY: EC 690. DISCOECTS PV LOAD CETERS COMBIER BOXES REQ'D BY: EC 690.3(E)(3) EXPOSED RACEWAYS, CABLE TRAYS COVERS OR ECLOSURES OF JUCTIO BOXES CODUIT BODY W/ AVAILABLE CODUIT OPEI REQ'D BY: EC (A) ELECTRICAL PAEL(S) 3 REQ'D BY: EC 05.(D)() PV SYSTEM BREAKER 4 LA VETA, CO 8055 SOLAR AC DISCOECT SOLAR DC DISCOECT WARI ELECTRIC SHOCK HAZARD. THE DC CODUCTORS OF THEPVSYSTEMARE UROUDED AD MAY BE EERIZED. 9.4 kwstc,. kw AC REQ'D BY: EC 690.4(C)() PV SYSTEM AC DISCOECTS 5 REQ'D BY: EC 690.3(B) PV SYSTEM DC DISCOECTS 6 REQ'D BY: EC (F) JUCTIO BOXES, COMBIER BOXES DC DISCOECTS, IVERTERS WARI IFAROUDFAULTIS IDICATED, THE ORMALLY ROUDED CODUCTORS MAY BE EERIZED AD UROUDED. REQ'D BY: EC 690.5(C) IVERTER 8 RID TIED PHOTOVOLTAIC POWER SOURCE MPPT 'A' SPECIFICATIOS: OPERATI CURRET:.4 A OPERATI VOLTAE: 40 V SYSTEM VOLTAE: 555 V SYSTEM CURRET: 5. A MPPT 'B' SPECIFICATIOS: OPERATI CURRET:.4 A OPERATI VOLTAE: 40 V SYSTEM VOLTAE: 555 V SYSTEM CURRET: 5. A IVERTER OUTPUT:. kw, 3 A, 40 VAC REQ'D BY: EC IVERTER 9 DESCRIPTIO DATE REV OE LIE 6/6/0 WIRI DIARAM /0/0 A SOE ECO 4//08 B Sheet umber: REVISIOS E.0 ASI B - " " SIAE REQUIREMETS.) RED BACKROUD.) WHITE LETTERI 3.) MI. 3/8" LETTER HEIHT 4.) ALL CAPITAL LETTERS 5.) ARIAL OR SIMILAR FOT 6.) WEATHER RESISTAT MATERIAL, PER UL 969 SCALE: " = 4" DESI & DRAFTI BY: RICHARD DOBBIS # PV

5 PV MODULE TYP. MAUFACTURER-ISTALLED PV JUCTIO BOX TYP. COIL EXCESS WIRE (WHERE REQUIRED) DO OT EXCEED WIRE BEDI RADIUS FEEDER CODUIT TYP. ECLOSURE TYP MC4 COECTOR TYP. ELECTRICAL ROUDI CODUCTOR (EC) TYP. LA VETA, CO 8055 RACKI RAIL 9.4 kwstc,. kw AC ROUD LU TYP. ROUD BUSHI TYP. MODULE SKIP STRII SCALE: TS TYPICAL EQUIPMET ROUDI SCALE: TS REVISIOS DESCRIPTIO DATE REV OE LIE 6/6/0 WIRI DIARAM /0/0 A SOE ECO 4//08 B Sheet umber: E3.0 ASI B - " " DESI & DRAFTI BY: RICHARD DOBBIS # PV