GE Power Supply user manual Connecting an external battery pack, UL 1778 safety requirement

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Digital Energy™ GT Series

2.4.3Connecting an external battery pack

1.Before installation, check whether the nominal voltage of battery pack is suitable for the UPS. The voltages mentioned on the battery connectors should match.

2.Utilize the battery connection cable that came with the battery pack to connect the battery pack to the UPS as shown in fig. 2.5. The other connector of the battery pack can be used to connect a second, third etc. pack.

UPS

Battery connection cable

First battery pack

Second battery pack

to third battery pack, etc.

Fig 2.5 Connecting external battery pack(s) to the UPS

(figure shows 1500VA UPS model)

UL 1778 safety requirement:

In order to allow quick removal of the battery power cord in case of emergency, just plug in the battery power cord; do not fix the connector with screws.

2.4.4Connecting the RS232/dry contact interface

Connect the interface signal cable between the RS-232/dry contact port on the rear panel of UPS and COM1 or COM2 of your computer if necessary. See fig. 2.6.

Refer to chapter 4 for more information.

2.4.5Connecting the load

1.Calculate the total power consumption of your loads to ensure that the UPS is able to supply the required power and overload condition will not happen.

2.Plug the power cord of the equipment into the output receptacles on the rear panel of the UPS as shown in fig. 2.6. Spread the load over the output receptacles as equally as possible.

CAUTION: Do not connect a laser printer to the UPS.

Fig 2.6 Connecting the UPS to the utility supply and to the load

(figure shows 1500VA UPS model)

OPM_GTU_19X_1K0_3K0_XUS_V014 8 GT-UL Series: User manual 1.2 (US)