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enphase Enpower, Installation And Operation Manual

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enphase Enpower Installation And Operation Manual Download Page 14

 

Enpower smart switch installation and operation 

 

© 2020 Enphase Energy Inc. All rights reserved. 

141-00046-01 

 

14 

Step 4: Install Breakers as Needed 

The Enpower includes one two-pole 40A circuit breaker that feeds the neutral forming transformer (NFT). 
You can install additional breakers, if needed. You must follow all NEC and local electrical codes.  

Install breakers as needed for the AC grid, main load, Enphase IQ Combiner, Enphase Encharge 
batteries, and generator (reserved for future use¹). These breakers are not included and must be ordered 
separately.  

NOTE

: You must install a backup loads breaker if required by local code. 

NOTE

: Generator connection is not currently supported. This feature will be supported in 

future after an over-the-air software upgrade. 

WARNING

! Risk of injury and equipment damage. Use only the breakers listed in the 

following table.  

Allowed breaker types include:  
 

Enphase Model No. 

Type and Eaton part no. 

BRK-100A-2P-240V  
BRK-125A-2P-240V 
BRK-150A-2P-240V 
BRK-175A-2P-240V 
BRK-200A-2P-240V  
BRK-20A-2P-240V-B  
BRK-30A-2P-240V  
BRK-40A-2P-240V   
BRK-60A-2P-240V  
BRK-80A-2P-240V 

• Main Breaker, 2 pole, 100A, 25kAIC, CSR2100 
• Main Breaker, 2 pole, 125A, 25kAIC, CSR2125N 
• Main Breaker, 2 pole, 150A, 25kAIC, CSR2150N 
• Main Breaker, 2 pole, 175A, 25kAIC, CSR2175N 
• Main Breaker, 2 pole, 200A, 25kAIC, CSR2200N 
• Circuit Breaker, 2 pole, 20A, 10kAIC, BR220B 
• Circuit Breaker, 2 pole, 30A, 10kAIC, BR230B 
• Circuit Breaker, 2 pole, 40A, 10kAIC, BR240B 
• Circuit Breaker, 2 pole, 60A, 10kAIC, BR260 
• Circuit Breaker, 2 pole, 80A, 10kAIC, BR280 

 
 
Breaker installation positions are noted in the diagram: 

A.  Ensure that the Enpower is completely de-energized. 

B.  Open the three latches that lock the enclosure door. 

To release the latch, pull the latch handle forward and 
then to the right. With all the latches opened, swing 
open the enclosure door.  

WARNING

: Risk of equipment damage. Do not 

remove the pre-installed solar shield attached to 
the enclosure door. 

C.  Use a Phillips screw driver to loosen the six screws 

along the periphery of the deadfront. Support the 
deadfront to keep it from falling while performing the 
next step 

Enpower breaker positions 

Summary of Contents for Enpower

Page 1: ...INSTALLATION AND OPERATION MANUAL August 5 2020 141 00046 01 Enphase Enpower Smart Switch ...

Page 2: ...r warranty text refer to enphase com warranty For Enphase patent information refer to enphase com company patents 2020 Enphase Energy Inc All rights reserved Enphase the Enphase logo Enpower Encharge IQ Envoy IQ Combiner IQ Microinverter Installer Toolkit Enlighten and other trademarks or service names are the trademarks of Enphase Energy Inc Data subject to change Audience This manual is intended...

Page 3: ...quirements 9 Preparation 9 Use the Enphase Installer Toolkit 10 Enphase Enpower Installation 11 Step 1 Plan a Location for the Enpower 11 Step 2 Install the Wall Mount Bracket 12 Step 3 Unbox and Mount the Enpower on the Wall 13 Step 4 Install Breakers as Needed 14 Step 5 Wire the Field Connections 17 Step 6 Close and Energize Enpower 20 Field Adjustable Trip Points 20 Configure and Activate 20 Tr...

Page 4: ...lectric shock Do not use Enphase equipment in a manner not specified by the manufacturer Doing so may cause death or injury to persons or damage to equipment DANGER Risk of electric shock Do not install the Enpower without first removing AC power from the photovoltaic system and ensuring that the DC switch on the Enphase Encharge batteries are off Disconnect the power coming from the photovoltaics...

Page 5: ...n Internet connection through the Envoy Failure to maintain an Internet connection may have an impact on the warranty See Limited Warranty for full terms and services enphase com warranty NOTE Properly mount the Enpower Ensure that the mounting location is structurally suited to bearing the weight of the Enpower NOTE During use storage and transport keep the Enpower Properly ventilated Away from w...

Page 6: ...ines grid independent capabilities of PV and storage 2 Enphase Encharge storage system is reliable simple and safe It provides backup capability and installers can quickly design the right system size to meet the needs of both new and retrofit solar customers 3 IQ combiner series consolidates interconnection equipment and streamlines PV and storage installations by providing a consistent pre wired...

Page 7: ...se Enpower smart switch and the Enphase Enpower wall mount bracket read and follow all warnings and instructions in this manual These instructions are not meant to be a complete explanation of how to design and install an energy storage system All installations must comply with national and local electrical codes and standards Only qualified electricians shall install troubleshoot or replace the E...

Page 8: ...r circuit connection space in Enpower is left vacant When existing PV combiner circuits are connected to the main load panel and you want to add battery storage to the system you can keep the PV combiner connected to the main load panel and connect only the battery storage system to Enpower Partial home backup with main load panel as service entrance and PV combiner connected to Enpower When PV ci...

Page 9: ...h labels and accessories Among the accessories are four pin receptacles dry contacts that will be used for controlling external power relays in future and are not needed at present WARNING The Enpower smart switch weighs 38 5 kg 85 lbs and will require two persons to lift the unit An Enphase Enpower literature kit 150 00148 3 Make sure you have the following required items Enphase Encharge storage...

Page 10: ...nches long depending on attachment wall for each wall mount bracket Check with a structural engineer and local standards for local requirements Washers for use between fastener heads and wall mount bracket Conductors rated at 75 C For sizes refer to the table on the unit and to local codes Over current protection maximum in accordance with local standards The door sheet metal is not required to be...

Page 11: ... a well ventilated location where the ambient temperature is within 40 C to 50 C 40 F to 122 F preferably out of direct sunlight C Ensure that the mounting location can sustain the weight of the Enpower and mounting bracket 38 5 kg 85 lbs The wall must include studs that can bear 38 5 kg 85 lbs or can be of masonry or other suitable structure that can bear the weight D Plan the mounting location I...

Page 12: ...m of the wall mount bracket level D Use the 10 1 4 or 5 16 wood screws or masonry attachments if installing in masonry to attach the bracket using one screw and washer for each slot The slot size of the Enpower wall mount bracket is 8 5 mm Use an appropriately sized washer for each of the screws and check with a structural engineer and local standards for local requirements E Verify that the wall ...

Page 13: ...igned only for vertical installation without inclination must be level F Lift the Enpower slightly above the installed wall mount bracket and allow it to slide down so that the bracket facing hooks set into both the top and bottom shelves of the wall mount bracket G Allow the Enpower to slide down until the Enpower is fully seated on the wall mount bracket shelf WARNING Risk of injury and equipmen...

Page 14: ...240V BRK 150A 2P 240V BRK 175A 2P 240V BRK 200A 2P 240V BRK 20A 2P 240V B BRK 30A 2P 240V BRK 40A 2P 240V BRK 60A 2P 240V BRK 80A 2P 240V Main Breaker 2 pole 100A 25kAIC CSR2100 Main Breaker 2 pole 125A 25kAIC CSR2125N Main Breaker 2 pole 150A 25kAIC CSR2150N Main Breaker 2 pole 175A 25kAIC CSR2175N Main Breaker 2 pole 200A 25kAIC CSR2200N Circuit Breaker 2 pole 20A 10kAIC BR220B Circuit Breaker 2...

Page 15: ... pushing the filler plate out H For the Encharge AC Combiner or Generator reserved for future use connection snap the appropriately sized BR series two pole Eaton breaker onto the busbar using only the breaker positions indicated in the diagram on the door of the unit Breaker functional position are not interchangeable with one another The wires to be connected to each breaker are located beside e...

Page 16: ... load lugs use a 1 4 hex drive Cu AL 300 KCMIL 1 31 1 275 CSR breakers Cu AL 300 KCMIL 2 28 2 250 BR breakers wire provided 6 3 1 27 AC Combiner lugs Encharge lugs and Generator reserved for future use lugs 14 10 8 4 6 2 3 2 8 25 3 4 30 3 9 35 4 5 40 Neutral large lugs use a 3 8 hex drive Cu AL 300 KCMIL 6 31 1 275 Neutral and ground bars Large holes 5 16 24 UNF 1 0 3 4 6 8 10 14 5 6 50 5 1 45 4 5...

Page 17: ...ectric shock Check that all circuits connecting to the Enpower are de energized before wiring C If the Enpower is not installed as service equipment2 you must remove the main bonding jumper connected between the grounding bar and the neutral assembly Refer to the wiring diagram NOTE Do not modify or rewire any of the other pre installed wiring or bonding connections in the Enpower D If Enpower is ...

Page 18: ...as needed G Torque the breaker connections as listed on the previous page and in the conductor table on the unit H After all conductors are connected and secured check that there are no exposed conductors or stray wires I Gently arrange all the conductors and connectors inside the cabinet DANGER Risk of electric shock The system is not ready to be energized Do not close any circuit breaker yet NOT...

Page 19: ...Enpower smart switch installation and operation 2020 Enphase Energy Inc All rights reserved 141 00046 01 19 ...

Page 20: ... DANGER Risk of electric shock There are many potential sources of voltage Check any Enphase Encharge battery PV or other generation source for voltage B You must ensure that all electrical circuits external to Enpower are completed and safe before energizing Enpower C If you plan to energize Enpower without commissioning the system in the same day OPEN the NFT and Encharge breakers and CLOSE the ...

Page 21: ...nt can be serviced Prior to actuating the Enpower override switch all power sources feeding the Enpower must be deenergized The main breaker feeding Enpower must be shut off Also shut of the Encharge battery circuit breaker and the IQ Combiner circuit breaker in Enpower Access the manual override switch under the removable cover on the Enpower deadfront only remove the cover and label after the sy...

Page 22: ...ng Manual Override Tied to Grid Refer to the wiring diagram in Step 5 Wire the Field Connections when performing this procedure In the event the Ensemble system malfunctions and causes the home to lose power without an actual grid outage you after receiving instruction from Enphase customer support can perform the manual override by following these steps 1 OPEN the following breakers in sequence a...

Page 23: ...aker powering the Enpower from the grid side this could be inside or outside the Enpower unit c Auto transformer breaker inside Enpower NOTE No need to open PV combiner breaker and load side breaker inside Enpower 2 Turn OFF all Encharge units by turning OFF their DC switches 3 Wait for at least 60 seconds for all residual charge on the control boards to get discharged 4 Turn the manual override t...

Page 24: ...Breaker 2 pole 20A 10kAIC BR220B Circuit Breaker 2 pole 30A 10kAIC BR230B Circuit Breaker 2 pole 40A 10kAIC BR240B Circuit Breaker 2 pole 60A 10kAIC BR260 Circuit Breaker 2 pole 80A 10kAIC BR280 EP200G HNDL R1 Enpower installation handle kit order separately ELECTRICAL SPECIFICATIONS Assembly rating Continuous operation at 100 of its rating Nominal voltage range L L 240 VAC 100 310 VAC Voltage mea...

Page 25: ...tdoor NEMA type 3R polycarbonate construction Altitude To 2500 meters 8200 feet COMPLIANCE Compliance UL 1741 UL 1741 SA UL1998 UL869AD UL67D UL508D UL50ED CSA 22 2 No 107 1 47 CFR Part 15 Class B ICES 003 AC156 A Compatible with BRHDK125 Hold Down Kit to comply with 2017 NEC 710 15E for back fed circuit breakers B The Enpower is rated 22 kAIC C Not included Installer must provide properly rated b...

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