6-10KVA Rack-mount UPS User Manual Operation
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the alarm, but the alarm message is still indicating on the LCD display to exist until the warning
eliminate.
●
Move the manual bypass breaker on the rear of the UPS to the bypass position. This
requires loosening the captive screw and sliding the bracket up and away from the manual
bypass breaker. The loading supply will be provided by the maintenance bypass.
●
Turn the input circuit breaker off. Please operate it very carefully. Make sure the manual
bypass breaker is still on until all the operation ends.
●
Turn the battery circuit break of the external battery cabinet off and remove the battery
connection cable for the long backup model.
●
Loosen the screws between the box and UPS, Then remove the power distribution box
from the UPS and set it aside, the long backup UPS will shut down at once. For the standard
UPS,
Turn off the UPS in battery mode.
There is no display on LCD, only the input and output terminals in the power distribution
box attached
under power, please operate it very carefully when dismount the UPS.
NOTE: If it is required to maintain the UPS, after remove the power distribution box and battery
connection cable, please wait about 10 minutes in order that the BUS capacitor voltage in the
internal automatically discharges.
2. Place the UPS in inverter mode from maintenance bypass mode
：
When finish maintenance of the UPS, please use the following steps to switch the load
supplying from maintenance bypass to inverter.
NOTE:
because it does not have the maintenance circuit breaker secondary contact to insert
the message into the UPS, the recovering operation of the UPS must strictly follow the
operation procedure, otherwise may cause the damage of the system.
●
Align connectors and press box onto UPS. Hold box firmly against UPS. Tighten the
screws between the box and UPS.
●
Insert the battery connection cable to the right position of the UPS. Turn the battery
circuit breaker of the battery cabinet on.
●
Turn the input circuit breaker of the distribution box on.
●
When UPS is working in bypass mode, Turn the manual bypass breaker off. Tighten the
bracket over the manual bypass breaker with captive screws.
●
Press “ON/OFF”, choose ‘’on’’ to open the inverter, UPS switch to the inverter mode.
NOTE: before you start the inverter, you must be sure that you have turned the manual bypass
breaker off, otherwise may cause dangerous and breakdown the UPS.
