Growatt WIT 50-100K-US - Page 27

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Wiring diagram of the system with three WIT 50-100K-HU-US inverters connected in parallel

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Table of Contents2
Notes on this Manual4
Introduction4
Target Group4
Product Range4
Safety Precautions5
Safety Instructions5
Symbol Conventions6
Label Description7
Product Description8
Overview8
Basic Data11
Nameplate12
Operating Principle13
Operating Principle of WIT 50-100K-A-US13
Operating Principle of WIT 50-100K-H-US13
Operating Principle of WIT 50-100K-AE-US and WIT 50-100K-AU-US13
Operating Principle of WIT 50-100K-HE-US and WIT 50-100K-HU-US14
Storing the WIT Inverter14
Supported Grid Types15
AFCI Function15
AFIC Function Description15
Clearing the Alarm15
Anti-PID Function16
Inspection Upon Delivery17
Installation19
Basic Installation Requirements19
Installation Environment Requirements20
Moving the WIT Inverter21
Mounting the WIT Inverter22
Ground-Mounted Installation22
Wall-Mounted Installation23
Electrical Connections25
Connecting the Ground Cables29
Connection on the AC Side29
Connection on the PV Side32
Connection on the Battery Side34
Connecting the Main Power Cable of the Battery34
Connecting the Battery BMS-AC Terminal35
Connecting Communication Cables36
Battery Communication Connection36
External Communication Connection38
Parallel Communication Connection39
Monitoring Device Terminal43
DRMS Port43
Rapid Shutdown Device (RSD)44
Post-Installation Checks46
Commissioning47
Commissioning the WIT Inverter47
Set the Communication Address47
Set the Time and Date47
Mode of Operation48
Waiting Mode48
Operating Mode48
Fault Mode49
Shutdown Mode49
LED and OLED Display Panel50
Monitoring53
Remote Monitoring53
Remote Monitoring on the APP (Shinephone)53
System Maintenance68
Routine Maintenance68
Clean the Chassis68
Fan Maintenance68
Troubleshooting70
Warning70
Error72
Product Specifications78
Decommissioning the WIT Inverter96
Warranty97
Conditions97
Disclaimer97
Contact Us98

Growatt WIT 50-100K-US - Page 27

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