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