SANUPS A11H, Инструкция по эксплуатации

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Maintenance
39
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§
1
1
3
3
.
.
3
3
B
B
y
y
p
p
a
a
s
s
s
s
B
B
r
r
e
e
a
a
k
k
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r
r
R
R
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CAUTION
！
• Always power the UPS off before resetting the bypass breaker. Failure to do so
can cause electric shock. Be careful to avoid injury or electric shock.
If the bypass breaker trips, the “Red ALARM” indicator lights and output from the output terminals
stops.
Proceed as follows to reset the bypass breaker.
①
Stop the UPS by setting MAIN MCCB to “OFF”.
②
Examine if there are neither a problem nor a trouble in the equipment of the load.
③
Set BYPASS OC to “ON”.
④
Set MAIN MCCB to “ON”, and then start the UPS by pressing and holding it for 1 second.
For details about UPS startup, see §11.1 “UPS Startup (Normal Operation)”.
Rear View
Rear View
M
CCB
This completes the bypass breaker reset.
If you reset the bypass breaker while the UPS is powered on, the “Red ALARM” indicator will remain
lit until you power the UPS off. Always power the UPS off before resetting the bypass breaker.
Note
③
Set BYPASS OC to “ON”.
ON Tripped
①
Set MAIN MCCB to
“OFF”.
③
Set BYPASS OC to “ON”.
①
Set MAIN MCCB to
“OFF”.
A
A
1
1
1
1
H
H
2
2
0
0
2
2
U
U
A
A
1
1
1
1
H
H
3
3
0
0
2
2
U
U