Switching on the erm circuit breaker, Charging the erm batteries – HP UPS Extended Runtime Module User Manual
Page 26
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Installation 26
Plug the ERM cable (1) in the socket (2) at the rear of the UPS.
NOTE:
To install a second ERM, plug the cable from the second ERM into the socket at the
rear of the first ERM. Up to two ERM units can be connected.
Switching on the ERM circuit breaker
Charging the ERM batteries
Connect the UPS to a grounded utility power outlet. When the UPS is plugged in, the unit automatically
enters Standby mode and begins charging the ERM batteries. Allow 24 hours for the ERM to fully charge.
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