Solar PV Standard Plan Simplified entral/string Inverter Systems for One and TwoFamily Dwellings (0 KW or Less) Use this plan ONLY for utilityinteractive central/string inverter systems. This plan is not intended for bipolar systems, hybrid systems or systems that utilize storage batteries, charge controllers, trackers, more than two inverters or more than one D combiner (noninverterintegrated) per inverter. Systems must be in compliance with current 0 alifornia Building Standards ode and ity of Fontana amendments. Other Articles of the 0 alifornia Electrical ode (E) shall apply as specified in 60.. ANUFATURER S SPEIFIATION SHEETS UST BE PROVIDED for proposed inverter, modules, combiner/junction boxes and racking systems. Installation instructions for bonding and grounding equipment shall be provided, Building and Safety may require additional details. Listed and labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling (E 0.). Equipment intended for use with PV system shall be identified and listed for the application (E 60.[D]). FOR PV Job Address: ontractor/owner Builder: Signature: Date: Phone: Inverter A Output Power Rating: Watts Inverter A Output Power Rating (Attach Form PV S): Watts ombined Inverter Output Power Rating: 0,000 Watts Total odules Proposed: ) ain Panel Upgrade Required?: No Yes (if yes) Buss ain odule anufacturer: odel: ) odule V oc (from module nameplate): Volts ) odule I sc (from module nameplate): Amps ) odule D output power under standard test conditions (ST) = Watts (ST) www.fontana.org of 7 REV. 0056
5) D odule Layout Identify each source circuit (string) for inverter shown on the roof plan with a Tag (e.g., A, B, ) Number of modules per source circuit for inverter Identify, by tag, which source circuits on the roof are to be paralleled (if none, put N/A) ombiner : ombiner : Total number of source circuits for inverter : 6) Are D/D onverters used (i.e. optimizers)? Yes No If No, skip to STEP 7. If Yes, enter info below. D/D onverter odel #: ax D Output urrent: Amps ax # of D/D onverters in an Input ircuit: D/D onverter ax D Input Voltage: Volts ax D Output urrent: Volts D/D onverter ax D Input Power: Watts 7) ax. System D Voltage Use A for systems without D/D converters, and B with D/D converters. A. odule V O (STEP ) = x # in series (STEP 5) x. = V Table. aximum Number of PV odules in Series Based on odule Rated VO for 600 Vdc Rated Equipment (E 60.7) ax. Rated odule Voc (*.).76.5. 5.7.7..6.70 5.57 5.5 66.6 76.5. (Volts) ax # of odules for 600 Vdc 7 6 5 0 7 6 Use for D/D converters. The value calculated below must be less than D/D converter max D input voltage (STEP #6). B. odule V O (STEP ) x # of modules per converter (STEP 6) x. = V Table. Largest odule VO for Singleodule D/D onverter onfigurations (With 0V AFI ap) (E 60.7 and 60.) ax. Rated odule Voc (*.) (Volts) D/D onverter ax D Input (STEP #6) (Volts) 0..0 5.7... 6.. 5. 5.5 57. 5. 6.5 65. 67. 70.5 7 0 6 5 55 5 6 6 67 70 7 76 7 ) aximum System D Voltage from D/D onverters to Inverter Only required if Yes in STEP 6 aximum System D Voltage = Volts ) aximum Source ircuit urrent Is odule Isc below.6 Amps (STEP )? Yes No (if No, provide comprehensive plan) 0) Sizing Source ircuit onductors Source ircuit onductor Size = in. #0 AW copper conductor, 0 wet (USE, PV Wire, XHHW, THWN, RHW). aximum conductors in roofmounted conduit exposed to sunlight located minimum / from the roof covering (E 0) www.fontana.org of 7 REV. 0056
) Are PV source circuits combined prior to the inverter? Yes No If No, use Single Line Diagram and proceed to STEP. If Yes, use Single Line Diagram and proceed to STEP. Is source circuit OPD required? Yes No Source circuit OPD size (if needed): 5 Amps ) Sizing PV Output ircuit onductors If a combiner box will NOT be used from [STEP ], Output ircuit onductor Size = in. #6 AW copper conductor ) Inverter D Disconnect Does the inverter have an integrated D disconnect? Yes No If yes, proceed to STEP. If no, the external D disconnect to be installed is rated for Amps (D) and Volts (D) ) Inverter information anufacturer: odel: ax. ontinuous A Output urrent Rating: Amps Integrated D ArcFault ircuit Protection? Yes No (If No is selected, provide comprehensive plan) rounded or Ungrounded System: rounded Ungrounded 5) Sizing Inverter Output ircuit onductors and OPD Inverter Output OPD rating = Amps (Table ) Inverter Output ircuit onductor Size = AW (Table ) Table. inimum Inverter Output OPD and ircuit onductor Size Inverter ontinuous Output urrent Rating (Amps) (STEP#) 6 0 6 0 inimum OPD Size (Amps) 5 0 5 0 5 0 5 50 60 inimum onductor Size (AW, 75, opper) 0 0 6 6 6 6) Point of onnection to ain Service Panel: End Fed Service (Use ombined Value at 0% Buss) enter Fed Service (Use ombined Value at 00% Buss) Bus Bar Rating: ain OPD: ax ombined PV System OPD @ 0% or 00%: Table. aximum ombined Supply OPDs Based on Bus Bar Rating (Amps) per E 705.(D)() Bus bar Rating 00 5 5 00 00 00 5 5 5 ain OPD 00 00 5 50 75 00 75 00 5 ax ombined PV System OPD(s) at 0% of bus bar Rating 0 50 5 60* 60* 0 60* 60* 5 ax ombined PV System OPD(s) at 00% of bus bar Rating 0 5 0 50 5 0 50 5 0 *This value has been lowered to 60 A from the calculated value to reflect 0kW A size maximum. Reduction of the main breaker is not permitted with this plan. Otherwise, provide comprehensive plan). www.fontana.org of 7 REV. 0056
Solar PV Standard Plan Simplified entral/string Inverter Systems for One and TwoFamily Dwellings arkings E Articles 60 and 705 and R Section R require the following labels or markings be installed at these components of the photovoltaic system: OUTPUT ONNETION; DO NOT RELOATE THIS OVERURRENT DEVIE E 705.(D)(7) [Not required if panelboard is rated not less than sum of ampere ratings of all overcurrent devices supplying it] ELETRI SHOK HAZARD. THE D ONDUTORS OF THIS PHOTOVOLTAI SYSTE ARE UNROUNDED AND AY BE ENERIZED E 60.5(F) [Only required for ungrounded systems] : PHOTOVOLTAI POWER SOURE R R. and F 605.. [arked on junction/combiner boxes and conduit every 0 ] ode Abbreviations: alifornia Electrical ode (E) alifornia Residential ode (R) alifornia Fire ode (F) J/Box A D DUAL POWER SOURES SEOND SOURE IS PHOTOVOLTAI SYSTE RATED A OUTPUT URRENT APS A NORAL OPERATIN VOLTAE VOLTS E 60.5 & E 705.(D)() PV SYSTE A DISONNET RATED A OUTPUT URRENT APS A NORAL OPERATIN VOLTAE VOLTS E 60.5 ELETRI SHOK HAZARD IF A ROUND FAULT IS INDIATED, NORALLY ROUNDED ONDUTORS AY BE UNROUNDED AND ENERIZED E 60.5() [Normally already present on listed inverters] ELETRI SHOK HAZARD DO NOT TOUH TERINALS TERINALS ON BOTH LINE AND LOAD SIDES AY BE ENERIZED IN THE OPEN POSITION E 60.7 PV SYSTE D DISONNET RATED AX POWERPOINT URRENT AD RATED AX POWERPOINT VOLTAE VD SHORT IRUIT URRENT AD AXIU SYSTE VOLTAE VD E 60.5 Informational note: ANSI Z55. provides guidelines for the design of safety signs and labels for application to products. A phenolic plaque with contrasting colors between the text and background would meet the intent of the code for permanency. No type size is specified, but 0 point (/ ) should be considered the minimum. E 705. requires a permanent plaque or directory denoting all electric power sources on or in the premises. www.fontana.org of 7 REV. 0056
www.fontana.org 5 of 7 REV. 0056 5 6 7 0 TA Solar PV Standard Plan Simplified entral/string Inverter Systems for One and TwoFamily Dwellings SHEDULE SOLAR PV ODULE / STRIN D/D ONVERTERS INSTALLED? YES NO SOURE IRUIT JUNTION BOX INSTALLED?: YES NO SEPARATE D DISONNET INSTALLED?: YES NO INTERNAL D DISONNET: YES N ENTRAL LOAD ENTER INSTALLED?: YES NO PV PRODUTION ETER INSTALLED?: YES NO SEPARATE A DISONNET INSTALLED?: YES NO ONNET TO # ( 5 SINLELINE DIARA # NO STRINS OBINED PRIOR TO HEK A BOX FOR WHETHER SYSTE IS ROUNDED OR UNROUNDED: ROUNDED (INLUDE E) UNROUNDED FOR UNROUNDED SYSTES: D OPD UST DISONNET BOTH ONDUTORS OF EAH SOURE IRUIT UNROUNDED ONDUTORS UST BE IDENTIFIED PER 0.5(). WHITEFINISHED ONDUTORS ARE NOT PERITTED. 6 7 A D ENTER N/A WHERE SUITABLE FOR WHEN NOT USIN OR ABLE AS PERITTED BY ODE IF D/D ONVERTERS ARE USED, HEK THE BOX BELOW THE ORRESPONDIN ONFIURATION D/D ONVERTERS PARALLEL D/D ONVERTERS ON ONE SOURE IRUIT (FIXED UNIT VOLTAE D/D ONVERTERS) D/D ONVERTERS D/D ONVERTERS ARE ALL RUN IN SERIES (FIXED SOURE IRUIT VOLTAE D/D ONVERTERS)
www.fontana.org Solar PV Standard Plan Simplified entral/string Inverter Systems for One and TwoFamily Dwellings 5 6 7 0 TA (,0(7 6&('/( SOLAR PV ODULE / STRIN D/D ONVERTERS INSTALLED? YES NO 67( SOURE IRUIT JUNTION BOX INSTALLED?: YES N 67( OBINER BOX <(6 (STEPS & ) SEPARATE D DISONNET INSTALLED?: YES NO 67( INTERNAL D DISONNET: YES NO 67( ENTRAL LOAD ENTER INSTALLED?: YES NO PV PRODUTION ETER INSTALLED?: YES NO 6EPARATE A DISONNET INSTALLED?: YES NO ONNET TO # <(6 ( 6 )50 SINLELINE DIARA # OBININ STRINS PRIOR TO HEK A BOX FOR WHETHER SYSTE IS ROUNDED OR UNROUNDED: UNROUNDED FOR UNROUNDED SYSTES: D OPD UST DISONNET BOTH ONDUTORS OF EAH SOURE IRUIT UNROUNDED ONDUTORS UST BE IDENTIFIED PER 0.5(). WHITEFINISHED ONDUTORS ARE NOT PERITTED. PV LOAD ENTER AP 6 5 ROUNDED (INLUDE E) 7 B AP B AP A/ DISONNET AP 0 AIN OPD AP AIN SERVIE BUSS AP NEW EXISTIN END FED ENTER FED A 6 of 7 D B B A PV OPD AP B B B D E A A B OBINER/ONDUTOR SHEDULE QUANTITY ONDUTOR TYPE TYPE USE OR PVWIRE TA A NONOBINED STRINS ONDUTOR/ SHEDULE (IF APPLIABLE) ONDUTOR TYPE QUANTITY TYPE OR PVWIRE USE B B D/D ONVERTERS E REV. 0056 D ENTER N/A WHERE SUITABLE FOR WHEN NOT USIN OR ABLE AS PERITTED BY ODE IF D/D ONVERTERS ARE USED, THEY ARE RUN IN SERIES (FIXED SOURE IRUIT VOLTAE D/D ONVERTERS)
www.fontana.org 7 of 7 REV. 0056 SOLAR PV STANDARD PLAN Roof Layout Diagram for One and TwoFamily Dwellings Items required: roof layout of all panels, modules, clear access pathways and approximate locations of electrical disconnecting means and roof access points.