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14040074 CITY OF CUPERTINO BUILDING PERMIT BUILDING ADDRESS: 10225 ANTHONY PL CONTRACTOR:SOLARCITY PERMIT NO: 14040074 OWNER'S NAME: MINOGUE DAVID 3055 CLEARVIEW WAY DATE ISSUED:04!21/2014 OWNER'S PHONE: 6505448005 SAN MATEO,CA 94402 PHONE NO:(650)638-1028 Q LICENSED CONTRACTOR'S DECLARATION JOB DESCRIPTION:RESIDENTIAL E] COMMERCIAL / D `,. INSTALLATION OF IOKW HR BATTERY BACKUP SYSTEM License Class- �F{� Lie.# IJ �� t,--0 ' TO EXISTING ROOF MOUNTED SOLAR SYSTEM. Contractor � s/ �i�=, Date���4 I hereby affirm that I am lie ed under the provisions of Chapter 9 (commeneing with Section 7000)of Division 3 of the Bnsiness&Professions Code and that my license is in foil Force and effeet. I hereby affirm under penalty of perjury one of the following two declarations: I have and will maintain a certificate ot'consent to self-insure for Worker's Compensation,as provided for by Section 3700 of the Labor Code,for the erfomiance of the work for which this permit is issued. Sq.Ft Floor Area: Valuation:$2000 JT have and will maintain Worker's Compensation Insurance,as provided for by a Section 3700 of the Labor Code,for the performance of the work for which this APN Number:34212075.00 Occupancy Type: permit is issued. APPLICANT CERTIFICATION I certify that I have read this application and state that the above information is PERMIT EXPIRES W WORK IS NOT STARTED correct.I agree to comply with all city and county ordinances and state laws relating ;T1IIN 180 D ERMIT ISSUANCE OR to building construction,and hereby authorize representatives of this city to enter upon the above mentioned property for inspection purposes. (We)agree to save ROM CALLED INSPECTION. indemnify and keep harmless the City of Cupertino against liabilities,jndgments, costs,and expenses which may accrue against said City in consequence of the z, / Date- granting of this permit. Additionally,the applicant understands and will comply Iss Date: with all non-point source regulations per the Cupertino Municipal Code,Section 9.18. 4 2014 RE-ROOFS: Signature Date All roofs shall be inspected prior to any roofing material being installed.If a roof is installed without first obtaining an inspection,I agree to remove all new materials for inspection. 0 OWNER-BUILDER DECLARATION 1 hereby affirm that 1 am exempt from the Contractor's License Law for one of Signature of Applicant: Date: the following two reasons: ALL ROOF COVERINGS TO BE CLASS"A"OR BETTER 1,as owner of the property,or my employees with wages as their sole compensation, will do the work,and the structure is not intended or offered for sale(Sec.7044, Business&Professions Code) I,as owner of the property,am exclusively contracting with licensed contractors to HAZARDOUS MATERIALS DISCLOSURE construct the project(Sce.7044,Business&Professions Code). I have read the hazardous materials requirements under Chapter 6.95 of the California Health&Safety Code,Sections 25505,25533,and 25534. 1 will I hereby affirm under penalty of perjury one of the following three maintain compliance with the Cupertino Municipal Code,Chapter 9.I2 and the declarations: Health&Safety Code,Section 25532(a)should I store or handle hazardous I have and will maintain a Certificate of Consent to self-insure for Worker's material. Additionally,should I use equipment or devices which emit hazardous Compensation,as provided for by Section 3700 of the Labor Code,for the air contaminants as defined by the Bay Area Air Quality Management District I performance of the work for which this permit is issued. will maintain compliance with the Cupertino Municipal Code,Chapter 9.12 and I have and will maintain Worker's Compensation Insurance,as provided for by the Health&Safety Code,Sections 25505 25533,and 25534. Section 3700 of the Labor Code,for the performance of the work for which this < Z( f permit is issued. Owner or authorized agent: Date: (21 I certify that in the performance of the work for which this permit is issued,I shall '050- not employ any person in any manner so as to become subject to the Worker's Compensation laws of California. If,after making this certificate of exemption,I CONSTRUCTION LENDING AGENCY become subject to the Worker's Compensation provisions of the Labor Code,I must I hereby affirm that there is a construction lending agency for the performance of forthwith comply with such provisions or this permit shall be deemed revoked. work's for which this permit is issued(See.3097,Civ C.) Lender's Name APPLICANT CERTIFICATION Lender's Address I certify that I have read this application and state that the above information is correct.I agree to comply with all city and county ordinances and state laws relating to building construction,and hereby authorize representatives of this city to enter upon the above mentioned property for inspection purposes.(We)agree to save indemnify and keep harmless the City of Cupertino against liabilities,judgments, ARCHITECT'S DECLARATION costs,and expenses which may accrue against said City in consequence of the I understand my plans shall be used as public records. granting of this permit.Additionally,the applicant understands and will comply with all non-point source regulations per the Cnpertino Municipal Code,Section Licensed Professional 9.18. ALTERNATIVE ENERGY PERMIT APPLICATION is COMMUNITY DEVELOPMENT DEPARTMENT•BUILDING DIVISION 10300 TORRE AVENUE•CUPERTINO, CA 95014-3255 GUPERTiPlO (408)777-3228•FAX(408)777-3333•buildingPcupertino.org /L{D4�Db-7� PROJECT ADDRESS r 077 27 C AA r ik o 1�� APN# OWNER NAME }��I (!(I-/ /�/'J�D �� f PHONE T E50)544-906 -MAIL GCe N`Ltf I• CO+'�'l STREET ADDRESS / � r_ CITY, STATE,ZP FAX on-5 / �i� / G�6rvQ ! 9 ® 4 CONTACT NAME isPHONE E-MAIL s 25l 1NaYI + L' STREET ADDRESS 1 CITY,STATE,ZIPO..) /y FAX �j^e4v7 S /� �ri✓ �fP/feGle CA ❑OWNER ❑ OWNER-BUILDER ❑ OWNERAGENr CONTRACTOR ❑CONTRACTOR AGENT ❑ ARCHITECT ❑ENGINEER ❑ DEVELOPER ❑ TENANT CONTRACTOR NAME So) f LICENSE NUMBER S00 f(q4 L kfifSE TYPE C BUS.LIC 0 COMPANY NAME r &MAIL ` FAX P+�tQ.✓I G I Hp��7,� o STREET ADDRESS 3ID 5 O� U/,Crl CITY,STATE,ZIP � C Pt[J 0)43K_ )02 (� ARCHITECTIENGINEER NAME l_/_� t, LICENSE NUMBER BUS,LIC 0 COMPANY NAME &MAIL FAX STREET ADDRESS CITY,STATE,ZIP PHONE USE OF IRLSFD or Duplex ❑ Multi-Family PROJECT IN WILDLAND PROJECT IN STRUCTURE: ❑ Commercial URBAN INTERFACE AREA ❑ Yes ❑ NO FLOOD ZONE L❑ Yes ❑ NO J� ❑SOLAR PANELS ❑ ELECTRIC VEHICLE CHARGING STATION ❑ SOLAR WATER HEATING LK OTHER: FOR SOLAR PANELS., NUMBER OF PANELSlUNITS: KILOWATTS(COMMERCIAL ONLY): TOTAL VALUATION: ,,d DESCRIPTKJN OF RK J.l ' C )9 a 4r,!r+ 44JI o 'C G✓ �al $d. QQQ 17PECE4VED BY: By my signature below,I certify to each of the following: I am the property owner or authorized agent to act on the property owner's behalf. I have read this application and the information I have provided is correct. I have read the Description of Work and verify it is accurate. 1 agree to comply with all applicablc local ordinances and state laws relating to QUM' —construction, I Cupertino to enter the above-identified property for inspection purposes. Signature of ApplicanUAgent: Date: d / (I7 O )`,:: SUPPLEMENTAL INFORMATION REQUIRED OFFICE USE"ONLY w OVER FH_E-COUNX4 iXPRFSS D STANt.An U. J . ❑ LARCL MWOR, PKIpp_2011.doc revised 03/16/11 CITY OF CUPERTINO FEE ESTIMATOR-BUILDING DIVISION ADDRESS: 10225 Anthony Place DATE: 04/11/2014 REVIEWED BY: Sean APN: BP#: UA "VALUATION: $2,000 PERMIT TYPE: Building Permit PLAN CHECK TYPE: Alteration 1 Repair PRIMARY PENTAMATION USE: SFD or Duplex PERMIT TYPE: SOLAR-RE woRiC Installation of 10KW hr battery backup s stem to existing roof mounted solar system. SCOPE Xfecdr. Plan Cheek Plrurti?. Plant Clec k flee:.Plan Check 1WI.•lr. Petwil Fee Plumb. Per'»tit I ar,•: Uec Permit Fee. htlreA1ech,Imp. pth:"r Pltrmh Insp. 3tlret Isl2c.Insp, 3lccly. =7-- Inip,Fe:c: Phrn+B. Twv).Fey:: A'Icr.Insp Fee! NOTE:This estimate does not include fees due to other Departments(i.e.Planning,Public Works,Fire,Sanitary Sewer District,School District,eta). Thesefees are based on the prefitnina information available and are onl an estimate. Contact the De t or addn'l info. FEE ITEMS (Fee Resolution 11-053 Eff. 711/13) FEE QTY/FEE MISC ITEMS Plan Check Fee: $0.00 = # Alternative Energy System Suppl. PC Fee: 'Q Reg. Q OT 0.0 hrs $0.00 $229.00 1PHOTOYRES Photovoltaic System PME Plan Check: $0.00 Permit Fee: $0.00 Suppl. Insp. Fee-.0 Reg. © OT 0,0 hrs $0.00 PME Unit Fee: $0.00 PME Permit Fee: $0.00 Co nswuction 7'err: Administrative Fee: Work Without Permit? ® Yes (F) No $0.00 G Advanced Planning Fee: $0.00 Select a Non-Residential Travel Doc innenlation Feces: Building or Structure � Strow Motion Fee: 1BSEISMICR $0.50 Select an Administrative Item Bldg Stds Commission Fee: 1BCBSC $1.00 SUBTOTALS: $1.50 $229.00 TOTAL FEE: 1 $230.50 Revised: 04/0112014 r Letter for Solarcit to Assist in 972-0107-01-01 y Revision A Approval of the XW System with Authorities Having Jurisdiction Scope This letter is for the sole purpose of clarifying technical aspects of the XW Inverter/Charger beyond those provided in the XW Inverter/Charger Installation and Owner's Guides and only in relation to SolarCity's use of the XW Inverter/ Charger in an AC-coupled system with the 10 kWh Tesla lithium ion battery pack. The information provided below does not modify, replace or waive any of the terms and conditions of the XW Inverter/Charger Installation and Owner's Guides including but not limited to the limited warranty. System Overview RECEIVED The SolarCity residential storage system consists oTfvve prim0arry components: • XW Inverter/Charger 6048-120/240 • 10 kWhr Tesla Li-ion Battery Pack BY • Critical Load-Panel • PV Inverter(optional) a CUPERTINO E101, �= • AC Wiring Box(Optional Mid nite�F Pail'l C ' Building Department �� The electrical connections between the five components are shown in Figure 1, AQR 15 2014 PV Inverter FOR coD. COMPLIANCE�tilityGrid Lz — �--------� REVIEWED i 6414 L,tftj Reviewed BY' Ll L2 Critical Load Panel M A=Breaker in Main Panel B=Gndlnput Breaker L2 rvice Panel C=Bypass Breaker D=Load Output Breaker L E=PV Inverter Breaker G=DC Battery DismnneLt H=DC Fuse Main Se ® O Xwlnvetter/Charger Tesla Li-ion Battery Ll LZ N 0 o = ® T AC Wiring Box Figure 1 Simplified System Diagram of SolarCity XW Tesla System Schneider Electric Letter for Solar City to Assist in Approval of the XW System with Authorities Having Jurisdiction Operating Modes The operation of XW Inverter/Charger in the system described in Figure 1 can be grouped into two categories: backup mode and grid-connected mode. Backup Mode In backup mode during a grid-outage condition, the XW inverter/charger, PV inverter, and loads backed up by the XW Inverter/Charger are isolated from grid and form a mini-grid system. See Figure 2. The XW Inverter/Charger acts like a voltage-source, generating a 120/240V grid which powers the AC-loads until the batteries run out of charge. The PV inverter synchronizes to this voltage/frequency and starts generating power used to power the loads. If the PV inverter generates more power than what the loads can consume, the surplus is used to recharge the batteries. XW 5048-1201240 PV Inverter ---------------------------* I � — — o l sssasi 'ssssss 8: sssssssss Loads NUM i ,ssssss ssssss ssssss Figure 2 Backup Mode 2 972-0107-01-01 Revision A Letter for Solar City to Assist in Approval of the XW System with Authorities Having Jurisdiction Grid-Connected Mode In grid-connected mode, the XW Inverter/Charger acts like a bypass for the AC- loads and PV inverter downstream, and at the same time charges/discharges batteries from/to the grid. See Figure 3. The loads are connected to the grid and the PV inverter synchronizes to the voltage/frequency of the grid. The power from PV-inverter is injected towards the AC-loads and the excess power that AC-loads can't consume is fed into the grid. XW 6048-1201244 PV Inverter ---------------------------- i seas•• sseess season aMMaM■ E Loads iii'aii Mess: Masse• Figure 3 Grid-Connected Mode System Control Panel (SCP) For the system under consideration, a System Control Panel (SCP) is not necessary. The XW Inverter/Charger has a Device User Interface (DUI) panel at the top-front of the unit that provides basic feedback such as kW, Amps, and Faults, as well as control buttons to turn the inverter on and off. The XW Inverter/Charger has a communications port called Xanbus which is a communication bus to which a SCP can be connected to change the configuration settings for voltage set-points, enable/disable grid-sell, and report the status of the XW Inverter/Charger. The gateway controller inside the Tesla battery pack is designed to communicate with the Xanbus port directly to the XW Inverter/Charger to set the necessary configuration settings and also read the status information. 972-0107-01-01 Revision A 3 Letter for Solar City to Assist in Approval of the XW System with Authorities Having Jurisdiction DC Voltage Operating Window The Tesla battery pack is compatible for operating with an XW Inverter/Charger in regards to DC voltage range.The XW Inverter/Charger is available in models that fall in two DC-voltage categories to operate on either 24V or 48V nominal voltage batteries. The XW 6048-120/240V model has DC-operating voltage window from 44V to 64V.The XW Inverter/Charger is connected to a 10 kWhr Tesla Li-ion battery pack whose nominal voltage is 56V and the DC-operating voltage window is from 45V to 63V which is within the range of operation for XW 6048, Breaker Rating of 60A for Grid Input The XW Inverter/Charger has a built-in transfer relay rated for operation at 48A continuous.According to NEC rule for loading circuits to 80%, the recommended grid input breaker size is 60A. The 48A rating allows for powering the AC-loads downstream 25A on each leg and additional current for charging the batteries.To benefit from the available transfer capacity and maximize the use of energy from grid, use a 60A breaker, Note: It is possible to use a smaller breaker size than the 60A rating but not smaller than the rating of the XW AC-load output breaker. If a smaller breaker is used, the XW Inverter/Charger setting for AC1 Breaker must be updated to the size of grid-input breaker. Conditions for Connecting 6 kW PV Inverters and Higher You can connect a PV inverter that is higher than 6kW at the output terminals of the XW if the system does not exceed any of the following three restrictions: • 48A transfer relay rating of the XW Inverter/Charger on each leg • Size of upstream grid-breaker • Maximum allowed back-feed of load distribution panel The XW Inverter/Charger is rated for a continuous operation at 40°C to power 6kW loads in Invert/back-up mode and when charging batteries can deliver 100 Adc. In grid-connected mode, the XW Inverter/Charger acts like a bypass to transfer the excess power from PV that cannot be used by loads or charge the batteries. In such a case, XW can transfer up to the max capacity following the three restrictions described earlier. 4 972-0107-01-01 Revision A r / Letter for Solar City to Assist in Approval of the XW System with Authorities Having Jurisdiction In the system under consideration, the Li-ion battery pack 10 kWhr unit includes a Battery Management System that is designed to control the XW and also maintain the safe operation of battery at all times. Due to the protections built inside the battery-pack, the role of XW to ensure battery safety and charge management supplements that provided by the internal controls of the Tesla battery pack. XW Category is Utility Interactive for `Charge Control' The XW Inverter/Charger is capable of utility-interactive operation and hence classified under NEC 690.72(B)(3). Copyright©2014 Schneider Electric.All Rights Reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies. Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING,SELLER (A) MAKES NO WARRANTY AS TO THE ACCURACY,SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION;(B)ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES,DAMAGES,COSTS OR EXPENSES,WHETHER SPECIAL,DIRECT,INDIRECT,CONSEQUENTIAL OR INCIDENTAL,WHICH MIGHT ARISE OUT OF THE USE OF SUCH 1NFORMATION,THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER'S RISK;AND(C)REMINDS YOU THAT IF THIS DOCUMENTATION IS IN ANY LANGUAGE OTHER THAN ENGLISH,ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION,THE ACCURACY CANNOT BE GUARANTEED.APPROVED CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH Is POSTED AT www.schneider-clectric.com. Date:March 2014 Revision:Revision A Document Number:972-0107-01-01 Contact Information www.schneider-electric.com For other country details please contact your local Schneider Electric Sales Representative or visit the Schneider Electric website at: hftp;lfwww.schneider-electric.com/siLes/corporate/en/supporVoperationsllocal-operationsAocal-operations.page 972-0107-01-01 Revision A 5 RESIDENTIAL STATIONARY STORAGE UNIT INSTALLATION AND OPERATION MANUAL 2014 a v; ppR CUPERTINO ,�- Boding Depertrnerit f ; APS 15 M4 REVIEWED FOR CODE COMPLIANCE AT•E RevLeweO BY- CE �r y j OC mmnrea DOCUMENT APPLICABILITY This document describes the features available at time of printing ILLUSTRATIONS The illustrations provided in this document are for demonstration purposes only Depending ora product options and market region, your product rnight appear slightly different PRODUCT SPECIFICATIONS Al!specifications and descriptions contained in this document are verified to be accurate at the time of printing However, because contrnuou; improvement is a goal nt Tesla, we reserve the right to make product modifications at any time ,-02014 TESLA MOTORS, INC All rights reserved All rnfonnEltiorl in this doCllinerlt Is suf)lect to copyright and other intellectual pioperty rights of To;la Motois, Inc. and its licensors This matei iLl rnoy not be modified, i eproduced or copir:d, iii whole or In part,without thio prior written permission of Tesla Motors, Inc and its licensors Additional information is available upon request The following are trademarks or registered trademai ks of Tesla Motors, Inc in the United States anti olhvi countries TESLA TESLA MOTORS T E S L n T All othpr trademarks CuntennLCI in chis document are the property of their respective ovfners and their usu herV1n does not imply sponsorship or endorsement of their products or services unauthorized use:of any trademark displayed in this documunt of on tho vehicle is str ctly prohibited TABLE OF CONTENTS Safety............................................................................................................................................................1 GeneralCautions......................................................................................................................................................1 ElectricalCautions..................................................................................................................................................1 InverterInformation...............................................................................................................................................1 WarningLabels........................................................................................................................................................1 Overview.....................................................................................................................................................3 BasicFunctionality.................................................................................................................................................3 SystemComponents.............................................................................................................................................3 UnitSpecifications.................................................................................................................................................4 WiringRequirements............................................................................................................................................4 Configurations...........................................................................................................................................5 BackupLoad Sizing...............................................................................................................................................5 Configuration: Backup Power Only.................................................................................................................5 Configuration: Backup with Grid-Connected Solar..................................................................................5 Installation..................................................................................................................................................7 UnitInstallation.......................................................................................................................................................7 Wiring ........................................................................................................................................................................8 Operation...................................................................................................................................................11 BasicOperation Modes ............................................................................................................11 Wireless Communication Protocol................................................................................................................12 TurningOff the System......................................................................................................................................12 Troubleshooting......................................................................................................................................13 PossibleFailure Modes.......................................................................................................................................13 ServiceContact Information............................................................................................................................13 RESIDENTIAL STATIONARY STORAGE MANUAL i Safety T General Cautions Refer to the Tesla Emergency Response Guide (ERG) TS-0001735 for detailed WARNING; Read this entire document hazard information specific to the Lithium before installing or using the Ion Battery. Residential Stationary Storage Unit. Failure to do so, or to follow any of the instructions and warning in this document, can result in Inverter Information fire,electrical shock,serious injury, or death. Do not attempt to use the unit with ® WARNING: This equipment must be non-compatible inverters. The Tesla serviced by qualified personnel only. Residential Stationary Storage Unit is The battery enclosure is secured by currently compatible only with the tamper-proof bolts. Schneider Xantrex XW 6048 bidirectional inverter. The Residential Stationary Storage ® WARNING: Do not install this equipment adjacent to an external Unit communicates with and controls the functionality of the inverter. To ensure heat source. reliable operation, do not attempt to AWARNING: Do not expose this manually adjust inverter settings. equipment to an external heat source. Refer to documentation for the Schneider Install the stationary storage unit according Electric XW6048-240 for detailed hazard to all applicable utility and regional codes. If information specific to the inverter. you are not certain of local codes, contact Consult the installer if you have problems your local utility provider. with, or questions about, your electrical This equipment is not intended for use in system. moist or wet areas or environments. Use this equipment only as instructed. Warning Labels The system comes with two warning labels. Electrical Cautions The labels use the following warning icons: AWARNING: This equipment contains CAUTION: Indicates the potential for high voltage and is an electric shock Aequipment damage or personal harm. hazard. The DC bus can be energized from SHOCK: Indicates the potential for both directions, the battery side or the Aecluipmentinverter side. damage or persona[ harm from electric shock. AWARNING: Do not open the battery FIRE: Indicates the potential for enclosure. Aequipment damage or personal harm ® WARNING: Disconnect all external from fire risk. power sources before servicing. READ FIRST: Read all instructions Electrical Connections: Ensure that all before installation and use. electrical connectors are installed correctly and connected with the proper torque. ,.I Improperly torqued connections can , ,. I 1��- e o ° a r d , overheat and possibly result in fire. �� •9ATIMINSIDE-,Tv alsrmy be errenpzedhom both dlrecdons. 4 ,Tv off breaker and(Mccroec[ememal power sources before wr&ing. Fuses: For continued protection against risk -HAZA FFIAE p g •HAZAROOuSYOLTAGE NEAR BATn:flYTERMIHALS of fire, only use replacement fuses of the •ENftOS AERAnNGHEMA, same type and rating as the original fuse. Fuse replacement should be done by qualified personnel only. RESIDENTIAL STATIONARY STORAGE MANUAL 7 Safety A •BATTERY INSIDE-Terminals may be energized from both directions. Turn off breaker and disconnect external power sources before servlcln,, •RISK OF FIRE-Replace fuse only with same type and rating. THIS PANEL DC POSITIVE(t) Q DC NEGATIVE(-) Q (FUSE) (GROUNDLf NEUTRAL (GROUND) LOAD (120 VAC) ------------------- ADJACENT PANEL AT MIGHT OO DIAGNOSTIC o a [� COMMUNICATION o TO INVERTER 2 RESIDENTIAL STATIONARY STORAGE MANUAL ® m r •1I { Imo. • �� 7J7 r el Schneider Tesla Battery c Xantrex XW Inverter/Charger 'I • r. - I r ; i Electric Panel LCJ 1 a�� ®F• Figure 1: Full Installation Basic Functionality System Components The Tesla Residential Stationary Storage The battery is a 10 kWh Li-ion battery with a Unit is a versatile energy storage unit that nominal voltage of 56.25 V DC that can can be grid-connected via a compatible provide 5 kW of AC continuous power. inverter and integrated with a residential The unit is only compatible with the solar PV array. The unit can provide backup Schneider Xantrex XW 6048 bidirectional power, peak load shaving, and solar PV storage. When connected to a compatible inverter/charger (Figure 1). inverter, the battery controls the functionality of the inverter.The unit can use wireless communications to relay charging and discharging requests from an external controller. RESIDENTIAL STATIONARY STORAGE MANUAL 3 TOverview Unit Specifications Communications Electrical Zigbee, GSM and CAN connectivity Continuous power 5 kW AC Mechanical and Mounting AC capacity @5 kW 10 kWh AC Dimensions (in mm) 1167 H x (92.5% inverter efficiency) 4 W x 41177 D Voltage, nominal 56.25 VDC Weight 168 kg Vmin 45 VDC Wall mounted Vmax 63 VDC Separate mounting bracket with clevis Peak current (15 sec) 250 ADC feature Max charge power 5.0 kW AC Indoor enclosure: NEMA 1 rated Ambient Operating Temperatures Regulatory Derated above 40 °C UL listing to UL 1973 standard Continuous Operation and Charging Low operating temp 10 °C Wiring Requirements High operating temp 40 °C These are the required specifications for Discharging wiring to connect the Residential Stationary Storage Unit to the utility at the installation Low operating temp -20,°C site. High operating temp 40 °C DC Wiring DC Wiring Size'4/0 AWG wire for 250 A DC wire gauge 4/0 AWG DC lug torque 150 in-lbs (17 Nm) Integrated 250 A DC breaker that meets Pack fuse torque 80 in-lbs (9 Nm) NEC requirements for disconnecting means and branch protection between Normal or fine-stranded building wire the battery and inverter Terminals rated up to 90 °C Compatible Inverter/Chargers AC Wiring Schneider/Xantrex XW6048 External AC disconnecting means and Efficiency over-current protection per NEC DC (battery only), round C/2 96% regulations trip C/4 98% AC connection at 120 or 240 V AC (including inverter), C/2 81% Voltage rating 100-240 VAC round trip C/4 85% Amperage 1.8 A max. draw Backup/Off-Grid Capability Ground Automatic backup/ off-grid Wire gauge #4 AWG functionality DC Grounding Electrode Conductor Provides 1 week of backup power for an required per NEC regulations Energy Star refrigerator .Communications Potentially unlimited.backup capability if used with solar 5 ft. CAT5 or CAT6 cable included 4 RESIDENTIAL STATIONARY STORAGE MANUAL Configurations Backup Load Sizing storing at [east 1 kW per hour for more than 3 hours per day, the solar power produced A system's configuration depends on two would exceed the load. main factors: the size of the backup load, and whether or not it is tied to a solar array. (Solar and non-solar configurations are Configuration: Backup Power described in the next sections.) Only The length of time that the system can The battery in backup-only configuration provide backup power is highly variable and can both charge from the grid and depends on the power demand of the discharge to the grid (Figure 2). In the event backup loads connected. The total power of a grid failure, it can power the backup demand should never exceed.5 kW, loads until it reaches low capacity and turns however, it is recommended to keep total off. This backup configuration has a limited demand below 300 W. A 5 kW load would duration because it has no way to recharge be backed up for less than two hours, while when the grid is not present. a much lower power demand could be successfully backed up for multiple days. Use these example loads as a guide to help — with load sizing: • An Energy Star Refrigerator/Freezer (19 cu ft.) consumes 300 W when the compressor is on, and about 1 kWh per 4a1 Inverter/ day. Tesla Charger • A microwave consumes 750-1200 W, but Battery is usually on for short durations. Using it AC 10 minutes per day consumes about 120 4p DC Connections Combiner Wh per day. �� ACCannectlans panel • A set of 6 CFL (compact fluorescent) light bulbs,each with the brightness of a 60 W incandescent, consume about 90 W. If they are on for 6 hours a day, they use about 0.5 kWh. AC Grid • A desktop computer and monitor Backup consume about 100 W when on and 20 Loads W when asleep. If the computer is on for Figure 2: Configuration, Backup Power Only 3 hours per day and asleep for the rest, it uses about 720 Wh per day. Configuration: Backup with • A laptop computer consumes about 30 W when on and 15 W when asleep. If two Grid�Connected Solar laptops are each on for 3 hours a day and The battery in a grid-connected solar asleep for the rest, they use about 810 configuration with backup ability can Wh per day. charge from the grid and discharge to the The total energy use per day for the above grid, the same as the basic backup example would be slightly-more than 3 kWh. configuration. It can also power backup Without solar equipment connected, this loads when the grid fails,-and it can charge load could be supported for a little over two from solar panels during a grid failure days. With a 3 kW solar array installed and (Figure 3). Unlike the backup-only configuration, the system with solar power can provide backup power for a longer RESIDENTIAL STATIONARY STORAGE MANUAL 5 Configurations duration, if the solar power output and the backup load demand are well matched. Backup duration depends on solar insolation (incoming solar radiation), the sizing of the solar array, backup load demand, and backup load timing. The solar inverter must be: • Appropriately sized • Grid-tied • Capable of operating in an AC-coupled mode off-grid . Approved by the installer When the grid is connected, backup loads are powered by the grid and solar power output flows onto the grid. When the grid is disconnected, the storage system acts to supplement the solar output to meet backup load needs. When demand is less than generation, the battery charges; when demand is greater than generation, the battery discharges to power the load. Solar Pv .i Solar Inverter a Inverter/ Tesla Charger Battery AC ------1 DC Connections fit• AC Connections Combiner Panel ,r AC Grid Backup Loads Figure 3:Grid-Connected Solar with Backup 6 RESIDENTIAL STATIONARY STORAGE MANUAL Installation a ❑ 1 0.0 Q I I ❑ a 2x R 5.0 ❑ Detail A a 10 PLACES - N O c� N N N Ip m N A n a e 180.0 _ —.—._._._._._` �_._.�.�._-._._._ _. 85.0--- ----------------- ---------------- 0 Front view lught vino Figure 4:Wall Mounting Bracket a p p 0 0 p p p Right view A 47.3 22.3-- — ------—————� ��---———--- —— - 0 m n o N 0 o r m N r• N N N [7 Q Q Figure 5: Bottom Mounting Bracket Unit Installation Call Tesla immediately if a drop occurs. WARNING: If the unit is droppedReport the height and orientation of the after drop and any physical damage to the being removed from its packaging, enclosure. If the enclosure has external and there is external damage to the damage, return the unit to Tesla for enclosure,-there might also be internal inspection and repair. damage that could cause a safety hazard. RESIDENTIAL STATIONARY STORAGE MANUAL 7 Installation WARNING: Do not install adjacent to 3. Attach the bottom lift-off bracket an external heat source. (Figure 5)to the Stationary Storage Unit WARNING: Do not expose this using the five included M5 screws and equipment to an external heat source. washers. 4. Attach the bottom lift-off bracket to the AWARNING: The Stationary Storage wall using 1/4" diameter lag screws at Unit must be installed indoors. least V long. The Stationary Storage Unit must be wall-mounted. The full unit weighs 370 lbs. Steel Studs (168 kg);code requires that the unit must be 1. Attach the top mounting bracket to at mounted to a wall that can hold at least least 2 studs, using two 5/16" diameter 1480 lbs. (672 kg). self-drilling screws per stud. Site Preparation 2• Attach the bottom lift-off bracket using 5/16" diameter self-drilling screws. Use Before beginning installation, check these at least one fastener per stud. conditions at the installation site. • Both mounting brackets have holes Unistrut spaced 16 inches apart on center. 1. Attach the top mounting bracket using 4 Measure the distance between wall Unistrut fasteners that are at least 5/16" studs. If the studs are not 16 inches apart, in diameter. you must attach a sheet of plywood to 2. Attach the bottom lift-off bracket using the studs and mount the battery from at least 2 Unistrut fasteners that are at the plywood. least 5/16" in diameter. • Measure to ensure that the unit will have at least 2 inches of clearance on either Wiring side for proper ventilation. • Measure the desired mounting height of Four types of wiring are required: the unit.The recommended height is 30" . DC connections to a compatible inverter from the ground to the bottom of the . A communications connection to the unit. The maximum mounting height is inverter 5611. • A 120/240V AC connection • Determine the type of stud or Unistrut . A#4,AWG ground wire connected to the that will support the unit, and follow the procedure for that type of mounting. ground terminal in the middle of the wiring compartment (Figures 6 and 11). Wood Studs & CAUTION: Always comply with NEC 1. If needed (for studs not 16" on center), regulations regarding wire size and attach a 3/4" minimum thickness conduit size. plywood panel to the studs. 2. Attach the wall mounting bracket (Figure 4) to the wall: • For studs 16" on center, use four 5/16" diameter lag screws at least 3.5" long to attach the wall mounting bracket to the studs. • For plywood mounting, use six 5/16" — diameter lag screws at least 1" long to attach the wall mounting bracket to Figure 6:Wiring Compartment Cover(left) the plywood. and Breaker(right) 8 RESIDENTIAL STATIONARY STORAGE MANUAL � ♦ i'4 t,i rbr c"-,�� -y Vii`` SII I� haK � by � '� ���� _ - - s DC Wiring ,« 'f ---- 1. Route the DC wires through appropriately sized conduit per NEC - � rules. "�• 2. Connect the + and - DC wires to the r � respective DC terminals on the Xantrex Via, i# �i=, inverter/charger (Figure 7). 1 DC Figure B:Wiring Compartment AC Terminals e — - ®— DC _ w Inverter Communications The system cannot operate without $ properly connected inverter communications. 1 a{ 1. Connect a CATS or CAT6 cable to the inverter communication port on the battery (Figure 9). Figure 7:Wiring Compartment DC Terminals AC Wiring 1. Install external AC disconnecting means •__ and over-current protection per NEC �- regulations. 2. Connect wire rated for 1.8 A to the •-- r :��<'E'. ,tel external disconnect switch. 3. Connect the AC wire to the AC terminal labelled "120 VAC" (Figure 8). Figure 9: Inverter Communication Port 2. Connect the other end of the cable to the XANBUS port on the inverter(Figure 10). RESIDENTIAL STATIONARY STORAGE MANUAL 9 .;r ''- - -bh_4 �!�'.h' •i.F-;yif"2i' .r �n: �.'i:t._--.y'7t;:,iv`"•- , �n i•�'t�: �t ,4.';u. !Ti ,.it a_M x'i:� � Fk�r�; -y'E'�M'.. �, 4� 0a' Figure 10: XANBUS Port Ground 1. Connect a#4 AWG Grounding Electrode Conductor to the system's ground terminal (Figure 11). 2. Connect the Grounding Electrode Conductor as the sole connection to a rod, pipe, or plate grounding electrode. 3� - r - ,. - - A Figure 11: Ground Terminal 10 RESIDENTIAL STATIONARY STORAGE MANUAL Operation T Basic Operation Modes Backup Power Mode Without Solar A system's configuration describes how its In backup power mode without solar PV,the hardware components are associated with battery system provides power to backup one another: for this stationary system, the loads (Figure 13). Once battery power is too difference between configurations is low to continue discharging, the system whether or not it has solar. A system's shuts down. operation mode describes the behavior of that configuration. Both configurations (with and without ' solar) behave the same in manual bypass , ^�'" mode and in grid connected mode.They are .�..`' only different in backup power mode. '` • .0&9- Manual Bypass Mode Inverter/ Manual bypass mode connects the backup Tesla Charger loads directly to the grid and disconnects Battery AC them from the battery backup system. This DC Connections Combiner mode should be used after installation and AC Connections Panel before the system is interconnected by the Battery discharges to power utility. This mode can also be used to get backup loads power to backup loads in the event of a -_- system failure that requires maintenance. To enter manual bypass mode,turn the manual bypass switch to bypass (Figure 12). T Backup —' Loads Figure 13: Backup Operation Mode 1 . Backup Power Mode With Solar ,•� ` y7� In backup power mode with solar PV, the battery system acts as a system balancer ' f1 between the solar PV power generated and t —1 the required backup power (Figure 14). 1 o s ��AJ When the solar power generated is greater t than the load,the battery charges.When PV is not present or the power generated is less than the backup power demanded, the battery discharges. It is possible, if the Figure 12• Example Manual Bypass Switch backup load power demand is greater than the solar power output, to discharge the Grid Connected Mode battery and to reach a low battery state In grid connected mode, the battery can be where the system shuts down. discharged to supply power to household loads and reduce household demand. RESIDENTIAL STATIONARY STORAGE MANUAL 1.1 Operatio t F. Solar PV 22 _ Solar Inverter • _�_. . Inverter/ --- Tesla Charger Figure 15: DC Breaker Switch Battery 3. Turn off the inverter by holding down the AC power button for two seconds, until H DC Connections "OFF" appears on the LCD screen Acconnections Combiner Panel (Figure 16). Solar provides power to backup loads,and - excess power charges the battery.,If solar power is not sufficient, the battery discharges to power the loads. Backup • �� Loads ' Figure 14: Backup with Solar Operation Mode Wireless Communication Figure 16: Inverter Power Button Protocol It is not necessary to turn off any additional The Tesla Residential Stationary Storage breakers. The battery is now off and cannot Unit controls the inverter. It can also charge or discharge. interface with an external device via wireless If deep sleep is required, wait for 30 communication to allow external requests seconds,then flip the AC breaker for battery for charging and discharging the battery. power(usually found on the right hand side CAUTION: The communication of the electric panel underneath the interface is intended for use only by inverter). Tesla approved operators. NOTE: If the AC breaker for battery power is turned off before the 30 seconds expire,the Turning Off the System battery reacts as if there was a grid outage and does not go into deep sleep. To turn off the battery system: 1. Pull down the manual bypass switch (Figure 12). This switches the system to bypass mode. 2. Pull down the DC breaker on the battery to the off position (Figure 15). 12 RESIDENTIAL STATIONARY STORAGE MANUAL Troubleshooting Possible Failure Modes There are two major categories of possible backup failure. Loss of Power to Backup Loads While Other Loads in the House Are On Switch to manual bypass mode and contact your installer for service. Loss of Power to Backup Loads While Backup Is in Use If you do not have solar PV as part of your backup power system, or if the PV is not sized to closely match your backup load, it is possible to run out of power during a backup scenario. If your backup loads do not turn back on upon reconnection to the grid,switch to manual bypass mode.After 15 minutes, switch out of bypass mode and check that backup loads continue to run. If this does not work, switch back to manual bypass mode and contact your installer for service. Service Contact Information Contact the system installer for system problems. The installer can identify the scope of the problem and contact Tesla for support if required, at 650-681-5560. t RESIDENTIAL STATIONARY STORAGE MANUAL 13 T = SLFi 3500 Deer Creek Road Palo Alto, CA 94304