Installation Manual Generac PWRcell® Battery ON OFF BATTERY DISCONNECT 0011031 008980 WARNING Loss of life. This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (000209b) Register your Generac product at: https://register.generac.com/ 1-888-GENERAC Register (888-436-3722) your Generac product at: WWW.GENERAC.COM Para español, visita: http://www.generac.
Use this page to record important information about your Generac Product Record the information found on your unit data label on this page. See Specifications. When contacting an Independent Authorized Service Dealer (IASD) or Generac Customer Service, always supply the complete model number and serial number of the unit. Operation and Maintenance: Proper maintenance and care of the energy storage system ensures a minimum number of problems and keeps operating expenses at a minimum.
Table of Contents Section 1: Safety Rules & General Information Section 4: Installing PWRcell Battery Introduction ..........................................................1 Preparing Location ............................................ 15 Read This Manual Thoroughly ....................................1 Safety Rules .........................................................1 How to Obtain Service .................................................1 General Hazards .....................................
Section 5: Commissioning General Information ...........................................29 Commissioning Procedure ...............................29 Configure Battery ...................................................... 29 Enable Battery .......................................................... 29 Confirm Island Mode is Enabled ............................... 29 Operating Modes, Charging Parameters, and Setpoints ............................................................ 29 Battery Settings .........
Safety Rules & General Information Section 1: Safety Rules & General Information Introduction This installation manual provides instructions and recommendations for installing and commissioning the Generac PWRcell® Battery. The PWRcell Battery is designed to house compatible lithium ion battery modules, and connects directly to the PWRcell Inverter and other REbus™ compatible components of the PWRcell system.
Safety Rules & General Information General Hazards DANGER Loss of life. Property damage. Installation must always comply with applicable codes, standards, laws and regulations. Failure to do so will result in death or serious injury. (000190) WARNING Electrocution. Potentially lethal voltages are generated by this equipment. Render the equipment safe before attempting repairs or maintenance. Failure to do so could result in death or serious injury. (000187) WARNING Equipment damage.
Safety Rules & General Information Electrical Hazards DANGER WARNING Electrocution. Never connect this unit to the electrical system of any building unless a licensed electrician has installed an approved transfer switch. Failure to do so will result in death or serious injury. (000150) Electrocution. Refer to local codes and standards for safety equipment required when working with a live electrical system. Failure to use required safety equipment could result in death or serious injury.
Safety Rules & General Information Battery Hazards Fire Hazards WARNING WARNING Explosion. Do not dispose of batteries in a fire. Batteries are explosive. Electrolyte solution can cause burns and blindness. If electrolyte contacts skin or eyes, flush with water and seek immediate medical attention. (000162) WARNING Fire hazard. Never attempt to fight a fire yourself. Evacutate the building and contact emergency services. Inform dispatcher that lithium-ion batteries are in the building.
Safety Rules & General Information General Rules Standards Index DANGER Loss of life. Property damage. Installation must always comply with applicable codes, standards, laws and regulations. Failure to do so will result in death or serious injury. (000190) WARNING Loss of life. Only qualified personnel may install this battery. Installation of a PWRcell Battery by a homeowner is prohibited. Installation by unqualified personnel may result in death, serious injury, equipment or property damage.
Safety Rules & General Information Safety Precautions Symbols Warning symbols are used to warn of the conditions that may cause severe injury or damage to equipment. The following table describes the warning symbols used in the equipment's markings and within this document. This equipment contains high voltage which can cause electric shock resulting in severe injury. Ensure polarity of connections during assembly. Keep equipment away from open flame or ignition sources.
General Information Section 2: General Information PWRcell Battery Naming Convention PWRcell PRODUCT SERIES PWRcell Series ENCLOSURE TYPE IR - Indoor Rated OR - Outdoor Rated IR M3 DCB BATTERY SERIES DCB EX NUMBER OF BATTERY MODULES 3 - Three Modules 4 - Four Modules 5 - Five Modules 6 - Six Modules 012273 Installation Manual for Generac PWRcell Battery 7
General Information Specifications CAUTION Ensure all battery modules installed in any single PWRcell Battery are the same type (EX or DCB). Connecting different battery types can result in equipment damage. (000731a) Description Units PWRcell M3 PWRcell M4 PWRcell M5 PWRcell M6 kWh 9 12 15 18 Energy Usable Energy Power Nominal Cont. Power* kW 3.4 4.5 5.6 6.7 Max. Cont. AC Power** kW 4.5 6 7.5 9 Nominal Cont. DC Current (Charge/Discharge) Peak Motor Starting Current (2 sec) A 11.
General Information Battery Module Technical Data Physical Characteristics DCB Battery EX Battery Width 17.32 ± 0.08in (440 ± 2 mm) Length 17.72 ± 0.08in (450 ± 2 mm) Height 3.30 ± 0.08in (84 ± 2 mm) 3.46 ± 0.08in (88 ± 2 mm) Weight 55.12 ± 0.1 lbs (25 ± 0.5 kg) 58.42 ± 0.1 lbs (26.5 ± 0.5 kg) DCB Battery EX Battery Electrical Characteristics Cell type LiNiMnCo Usable Energy Capacity (Nominal) Usable Battery Capacity (Nominal) 3.0 kWh 64.1 Ah 69.4 Ah 46.8 VDC 43.2 VDC 39 ~ 53.
General Information Serial Number Location Unit Dimension CAUTION Ensure all battery modules installed in any single PWRcell Battery are the same type (EX or DCB). Connecting different battery types can result in equipment damage. (000731a) Indoor Installation Dimensions Refer to Figure 2-1 to locate serial numbers for the unit (A) and the individual battery modules (B).
General Information About PWRcell Battery The PWRcell Battery is the storage component of the PWRcell system. The battery can be used for gridconnected solar applications such as Self Supply, Rate Arbitrage, and Clean Backup Power. The battery is designed to work seamlessly with Generac PV Links and the PWRcell Inverter to form the PWRcell system for grid-tied solar-plus-storage. All PWRcell products use the REbus 380VDC nanogrid to connect to each other.
General Information Component Locations ON Battery Disconnect Switch DANGER OFF BATTERY DISCONNECT Electrocution. Initiate a system-wide shutdown and turn the PWRcell DC Disconnect Switch OFF on all connected batteries before performing service. Failure to do so will result in death, serious injury, or equipment and property damage. (000600) A E B See Figure 2-5. Battery Disconnect Switch (A) disconnects the battery stack from the battery monitoring system (BMS) electronics.
Location and Compliance Section 3: Location and Compliance Location and Clearances PWRcell IR (Indoor Rated Model) Install the PWRcell Battery in dwelling units in the following permitted locations only: • Attached garages separated from dwelling unit habitable spaces in accordance with local building Code. • Detached garages and accessory structures. • Utility closets and storage or utility spaces. • Basements. • Other locations not categorized as habitable space in a dwelling unit.
Location and Compliance • Do not install where excessive amounts of water • • • • • • from roof runoff, landscape irrigation, water sprinklers, or sump pump discharge could contact the enclosure. Do not install where water levels may rise and contact the unit. Do not install within 3 ft (92 cm) to any door or window. The battery installation location must meet the outdoor working space requirements in NEC Article 110.26 The PWRcell Battery is not intended for use in mobile (e.g.
Installing PWRcell Battery Section 4: Installing PWRcell Battery Carton Contents • Wall bracket • Lower wall mount and foot brackets (Outdoor Rated model only). • Chassis, including pre-installed package, battery jumpers, and cover. electronics • Hardware kit. • Generac PWRcell Battery Installation Manual and Generac PWRcell Battery Owner’s Manual. NOTE: Lithium ion battery modules are shipped separately. Keep battery modules in their original packaging until installation.
Installing PWRcell Battery Installing Foot Bracket (OR model only) Installing Wall Bracket Mount foot bracket to wall with the following procedure: A template is included and will help locate the holes for both Wall and Foot Brackets. • See Figure 4-4. Bottom edge (A) is 29-5/8 in (752 • Before finalizing horizontal location for upper and fasteners. Four total fasteners are required. All fasteners must engage structural materials by a minimum of 1.5 in. All fasteners must be field supplied.
Installing PWRcell Battery Battery Knockout Locations (IR and OR models) 1-5/16 in (3.3 cm) 57-5/8 in (146.3 cm) 13-3/8 in (34 cm) 9-3/8 in (23.9 cm) 1-1/4 in (3.12 cm) 41-5/8 in (105.7 cm) 42-13/16 in (108.7 cm) 29-5/8 in (75.18 cm) 011210 Figure 4-6.
Installing PWRcell Battery Placing Chassis onto Bracket and Leveling Feet 1. See Figure 4-7. Lift body (A) onto bracket (B). Keep body tight to the wall while lowering body onto bracket. Verify bracket tabs (C) hook into body pockets (D). D C 6. Verify there is minimum 1-3/4 in (4.45 cm) gap between the bottom of the body and the floor. 7. Tighten machine screws to bracket and torque to 13 in-lb (1.47 Nm). 8. Verify feet have not lifted from floor. 9. Tighten feet jam nuts to lock them in place.
Installing PWRcell Battery To install REbus wiring: 1. See Figure 4-9. Install REbus conductors to their terminal blocks: RE+ to red (A), RE- to blue (B). 2. Install equipment grounding conductor to green terminal block (C). 3. If required, route field wiring conductors through the grommet wiring chase baffle (D). Remote Shutdown Switch Connections (If equipped) NOTE: See Figure 4-10. The STOP terminals ship with a 14 AWG jumper (A) installed.
Installing PWRcell Battery NOTE: Select a code compliant switch rated for STOP circuit voltage of 12VDC minimum and current greater than or equal to 1A. Switch must be listed and meet the requirements of Article 404 of NFPA 70. A suitable choice is Leviton 12021-2I Single-Pole Toggle Switch, 3A, 24V AC/DC. • When the switch is in the OPEN or OFF position the remote shutdown will be activated. Switching to the CLOSED or ON position deactivates the remote shutdown. 3. See Figure 4-13.
Installing PWRcell Battery Connecting Blackstart Battery B See Figure 4-14. Connect blackstart battery lead to positive battery terminal (E). NOTE: The negative lead is already connected to terminal (F). NOTE: Do not leave blackstart battery connected if PWRcell Battery is not connected to REbus. Blackstart battery will enter a sleep mode and discharge to support the unit. E A F C 011158 Figure 4-16. EX Module Outline Dimensions 009928 Figure 4-14.
Installing PWRcell Battery Installing Battery Modules CAUTION Ensure all battery modules installed in any single PWRcell Battery are the same type (EX or DCB). Connecting different battery types can result in equipment damage. (000731a) • Record battery module serial numbers prior to installation in Table 1: Important Information located in the inside front cover of this manual. • When installing battery modules, install top rear module first, regardless of configuration.
Installing PWRcell Battery Installing Rear Modules 1. See Figure 4-18. Angle top of battery module (G) under and behind bracket lip (H). IMPORTANT NOTE: Battery module ports (I) must face the right side of the PWRcell Battery body with the COM ports above the power port. 4. Fasten each grounding tab with a M4x8 mm SEMS screw (M) and torque to 13 in-lb (1.47 Nm). M 2. Slide bottom of module to back of PWRcell Battery chassis (J). 3. Push bottom of module against grounding clips (K).
Installing PWRcell Battery 1 2 009935 Figure 4-24. Installing Module Spacer (2 of 3) 4. See Figure 4-25. Secure spacer with two M4X8 SEMS screws and torque to 13 in-lb (1.47 Nm). O 009933 Figure 4-22. Module Spacer PWRcell Battery modules and upgrade kits can be obtained by contacting Generac Customer Service at 1888-436-3722 (1-888-GENERAC), or www.generac.com. NOTE: Kits must be installed by a qualified individual.
Installing PWRcell Battery See Figure 4-27. Note that there are three types of retainer clips: double retention clips (U), single retention clips marked O (T) and single retention clips marked X (S). 3. Secure retention clip to bracket with a M4X8 mm screw and torque to 13 in-lb (1.47 Nm).
Installing PWRcell Battery 4. Connect the other end of Black CAT5 jumper to COM IN port (D) on front battery module (C). 5. Connect Blue CAT5 cable to COM OUT port (E). 6. Connect the other end of Blue CAT5 cable to COM IN port (G) on lower, rear battery module (F). I L Y C J Z D A K B E M 009941 Figure 4-31. Module COM Cabling (2 of 2) I J K L Gray CAT5 Blue CAT5 Orange CAT5 Black CAT5 Jumpers Connecting Battery Power Cables DANGER F G H 009940 Figure 4-30. Module COM Cabling (1 of 2) 7.
Installing PWRcell Battery 3. See Figure 4-33. Install loop jumper (C) on every unused power cord connector (D). Installing Cover 1. See Figure 4-35. Place cover (A) upright in front of unit. 2. Verify all cables are tucked in and clear of frame. 3. Slide cover straight back until it engages with body (B). 4. Verify all angled guides are tucked inside body. The back edges of the cover should be against the rubber gasket along their entire length (C). NOTE: Do not force cover into place.
Installing PWRcell Battery Upgrading PWRcell Battery See Figure 4-35. Inside of the PWRcell Battery, battery modules are stacked 2-deep on three levels, allowing for up to 6 modules to be connected in a series. In systems with less than 6 modules, a PWRcell Battery can be upgraded with additional modules. Whenever upgrading a PWRcell Battery with additional modules: • A Vset Function must be performed. See Using Vset Function. • A module spacer must be installed on any single 10.
Commissioning Section 5: Commissioning General Information NOTE: Register the PWRcell Inverter for commissioning at https://pwrfleet.generac.com. Before commissioning PWRcell Battery verify all wiring is correct and secure and that the front cover is securely in place.
Commissioning Battery Settings TABLE 1. Battery Settings Setpoint Range Default 1 – 12 1 Channel for REbus communications. All devices in a system must use the same channel (except REbus Beacon). MinSocAbsl 0 – 20% 2 Minimum state of charge (SOC) absolute- this is the percentage of charge the battery will discharge to while the system is in Island Mode. MaxSocAbsl 10 – 100% 100 Maximum state of charge (SOC) absolute- this is the percentage of charge the battery will charge to.
Commissioning Decommissioning WARNING Environmental Hazard. Always recycle batteries at an official recycling center in accordance with all local laws and regulations. Failure to do so could result in environmental damage, death, or serious injury. (000228) WARNING Environmental Hazard. Decommissioning must be performed by qualified personnel. Decommissioning performed by unqualified personnel could result in environmental damage, death, or serious injury.
Commissioning This page intentionally left blank.
Wiring Diagrams Section 6: Wiring Diagrams PWRcell M3 BLACK RED Contactors Battery String DC Snubber I/O Switch Black-start battery GRB REbus 380v DC REbus cable entrance Module Cat 5 COMs Cable Module Spacer Front Module 1 Module 2 Module 3 Top 009945 Back Installation Manual for Generac PWRcell Battery 009945 33
Wiring Diagrams PWRcell M4 BLACK RED Contactors Snubber Battery String DC I/O Switch Black-start battery GRB REbus 380v DC REbus cable entrance Module CAT5 COMs Cable Module 1 Module Jumpers Front Module 2 Module 4 Back 34 Module 3 Top 009946 Installation Manual for Generac PWRcell Battery
Wiring Diagrams PWRcell M5 BLACK RED Contactors Snubber Battery String DC I/O Switch Black-start battery GRB REbus 380v DC REbus cable entrance Module CAT5 COMs Cable Module Spacer Module Jumper Module 1 Module 2 Front Module 5 Module 3 Back Installation Manual for Generac PWRcell Battery Module 4 Top 009947 35
Wiring Diagrams PWRcell M6 BLACK RED Contactors Snubber Battery String DC I/O Switch Black-start battery GRB REbus 380v DC REbus cable entrance Module Cat 5 COMs Cable Front Module 1 Module 3 Module 5 Module 2 Module 4 Module 6 Back 36 Top 009948 Installation Manual for Generac PWRcell Battery
Troubleshooting Section 7: Troubleshooting General Troubleshooting Some of the more common problems are listed in the table below. This information is intended to be a check or verification that simple causes can be located and fixed. It does not cover all types of problems. Procedures requiring in-depth knowledge or skills should be referred to a Generac Authorized Service Dealer. Table 7-1.
Troubleshooting This page intentionally left blank.
This page intentionally left blank.
® Part No. A0000639748 Rev. C 4/14/2021 ©2021 Generac Power Systems, Inc. All rights reserved. Specifications are subject to change without notice. No reproduction allowed in any form without prior written consent from Generac Power Systems, Inc. Generac Power Systems, Inc. S45 W29290 Hwy. 59 Waukesha, WI 53189 1-888-GENERAC (1-888-436-3722) www.generac.
