Zlpower EX series, User Manual

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12
2.4 Operation Procedure of External Battery for Long
Backup Time UPS
The nominal DC voltage of external battery pack is 192VDC. Each battery
pack consists of 16 pieces of 12V maintenance free batteries in series. To
achieve longer backup time, it is possible to connect multi-battery packs,
but the principle of “same voltage, same type” should be strictly followed.
The procedure of battery connection and installation is very important; the
procedure of installing battery bank should be complied with strictly.
Otherwise you may encounter the hazardous of electric shock. Please
comply with below procedure.
1. A DC breaker must be connected between the battery pack and the
UPS. The capacity of breaker must be not less than the data specified in
the general specification.
16 pieces batteries 192VDC
Model EX6K(L) EX10K(L) EX3110KL EX3115KL EX3120KL
BAT Voltage 192VDC 192VDC 192VDC 192VDC 192VDC
BAT Current 34A. max 56A. max 56A. max 83A.max 112A. max
2. Set the battery pack breaker in “OFF” position and connect the 16
pieces of batteries in series, select proper battery wire to connect batteries
and UPS (refer to 2.2 wiring table).
Dangerous: You must connect the external battery cable to the battery
first, if you connect the cable to the UPS first, you may encounter the