1-4
Maintenance Bypass Mode:
In case of UPS maintenance or battery replacement, and the load cannot be
interrupted, the user can turn off the inverter, close the bypass breaker and then
open the rectifier and reserve breakers. The AC output will not be interrupted during
manual bypass transfer procedure. Therefore maintenance bypass switch keeps
continuously power supply to the load. Electricity will not exist in UPS except the
output transformer, thus ensure the safety of service personnel.
Generally, the UPS is expected to run 24 Hours a day in normal operation mode
once it is installed, except when the utility power is fail, under overload condition,
or during maintenance.
The normal operation with battery connected can provide a clean, stable, free from
any spikes and surges, regulated and uninterruptible power to the load. Therefore,
the UPS and be regarded as a perfect AC power source except the back-up time
under mains failure is limited by the capacity of battery connected.
Summary of Contents for DS-D33
Page 1: ...OPTI UPS User s Guide Durable Series Models DS D33 www opti ups com ...
Page 16: ...1 12 1 7 Dimension Drawings 20KVA 60KVA OUTLINE DRAWING ...
Page 17: ...1 13 20KVA 60KVA INTERIOR DRAWING ...
Page 18: ...1 14 80KVA 160KVA OUTLINE DRAWING ...
Page 19: ...1 15 80KVA 160KVA INTERIOR DRAWING ...
Page 20: ...1 16 200KVA 320KVA OUTLINE DRAWING ...
Page 21: ...1 17 200KVA 320KVA INTERIOR DRAWING ...
Page 22: ...1 18 INTER PCB DIAGRAM ...