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Checking the AC Power Supply Voltage
The cabinet ships from the factory equipped to support 220-240 VAC service. Check the AC
power supply voltage as follows.
DANGER!
High voltage may be present. Only a qualified electrician should
perform these procedures.
To check 220-240 VAC power supply voltage
1.
Apply AC power to the cabinet at the local power transfer switch.
2.
At the cabinet AC load center, do the following:
a.
Remove the left and right cover panels from the AC load center.
b.
Switch the 60A Main Service Disconnect breaker to
ON
.
c.
Switch the 60A Main breaker to
ON
.
3.
Using a volt meter, test between the L1 and neutral busses:
a.
Place one lead on the L1 buss.
b.
Place the other lead on the neutral buss.
c.
Verify that the volt meter reads between 110 and 120 VAC.
4.
Using a volt meter, test between the L2 and neutral busses:
a.
Place one lead on the L2 buss.
b.
Place the other lead on the neutral buss.
c.
Verify that the volt meter reads between 110 and 120 VAC
5.
Using a volt meter, test between the L1 and L2 busses.
a.
Place one lead on the L1 buss.
b.
Place the other lead on the L2 buss.
c.
Verify that the volt meter reads between 220 and 240 VAC.
6.
Switch the branch breakers on as follows:
Switch the 15A Conv. Outlet breaker to
ON
.
If you are using an optional battery heater, switch the 15A Heater breaker to
ON
.
Note:
Do not switch the Rectifier A and Rectifier B breakers on at this time.
7.
Re-attach the left and right cover panels on the AC load center.