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Chapter 2 Installation 11
E1-20010329-C-1.0
Figure 2-4 rear panel
2.2.2 Front Panel
Parts' Function Description
Input Switch Used for controlling the utility input to UPS.
10kVA UPS uses three-pole 63A/250VAC breaker
15/20kVA UPS uses three-pole 100A/250VAC breaker
Bypass Switch Used for controlling the bypass input to UPS
10kVA UPS uses 80A/250VAC circuit breaker;
15/20kVA UPS uses 125A/250VAC circuit breaker
Maintenance
switch
For switching UPS to maintenance bypass.
Note: To be operated by trained technical Personnel only.
Front Panel air
inlet hole
for ventilation of UPS
LCD Panel and Description is in Appendix 1 in detail.
2.2.3 Rear Panel
Parts' Function Description
Input/output
terminals
Used for UPS input/output cable connection and
external battery connection for UPS
Contact closure port Provide Optical Coupler Dry Contact control
signal, for OS and UPS shutdown.
Alarm relay port
bProvide relay Dry Contact alarm/ control signal,
contact closure port
Alarm Relay Port
Ventilation holes
Input/Output Terminals block