Connecting An External Battery Pack; Connecting The Rs232/Dry Contact Interface; Connecting The Load - GE Power Supply User Manual

g
2.4.3

Connecting 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.
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.
2.4.4

Connecting 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.
2.4.5

Connecting 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
OPM_GTU_19X_1K0_3K0_XUS_V014
(figure shows 1500VA UPS model)
8
™
Digital Energy
GT Series
UPS
Battery connection cable
First battery pack
Second battery pack
to third battery pack, etc.
GT-UL Series: User manual 1.2 (US)