5.8 Procedure of external battery connection for long backup time
models (
models).
●
Units with CE marks
1) Use the battery pack of 36VDC (3 cells of 12V each) for the 1K-XL models.
Use the battery pack of 96VDC (8 cells of 12V each) for the 2KT-XL
and 3KT-XL models. Connection of battery packs with wrong battery
voltages will cause damage.
2) One end of the external battery cable will be plugged into the external
battery socket of the UPS and the other end will be connected to the
external battery cabinet.
3) Do not connect any load to the UPS output. Connect the input power cable
of the UPS to the input mains supply to operate the UPS in the utility
power mode.
4) Connect the external battery cable between the external battery socket, on
the rear panel of the UPS, and the external battery cabinet. The UPS will
start charging the external battery.
5) This external battery cable has three wires, the red is the "+" wire, the
black is the "-" wire and the green/yellow is the grounding wire.
Caution!
The output sockets of the UPS system may carry live voltage even if the
input power supply has been disconnected or the bypass switch is on
“
OFF
”
position.
"XL"