15
3)
After it shuts down, you can turn off the battery breaker (for long-run model) and remove the
parallel cable and share current cable. Then, remove the unit from the parallel system.
Second method:
1) I f the bypass is abnormal, you can not remove the UPS without interruption. You must cut off the
load and shut down the system.
2) Make sure the bypass setting is enabled in each UPS and then turn off the running system. All UPSs
will transfer to Bypass mode. Remove all the maintenance bypass covers and set the maintenance
switches from “ UPS” to “ BPS”. Turn off the input breakers and battery breakers.
3) Remove the UPS that you want.
4) Turn on the input breaker of the remaining UPSs and the system will transfer to Bypass mode.
5) Set the maintenance switches from “ BPS” to “ UPS and put the maintenance bypass covers back.
Turn on the remaining UPSs and f inish the parallel system connection.
Warning:
(Only for the parallel system)
● Before turning on the parallel system to activate inverter, make sure that all
unit’s maintenance switch
at the same position.
● When
parallel system is turned on to work through inverter, please do not operate the maintenance
switch of any unit.
3- 6. Abbreviation Meaning in LCD Display
Abbreviation
Display content
Meaning
ENA
Enable
DI S
Disable
ATO
Auto
BAT
Battery
NCF
Normal mode (not CVCF mode)
CF
CVCF mode
SUB
Subtract
ADD
Add
ON
On
OFF
Off
FBD
Not allowed
OPN
Allow
RES
Reserved
OP.V
Output voltage
PAR
Parallel
