3-6 ©2013 Brooks Automation Inc. Pub. No. 8040444, Rev. AA, 01/14/2013 ECO No. 63723
Phase Check
WARNING
Follow all high voltage safety precautions when performing this
procedure to prevent the possibility of electrical shock.
1. Make sure power is applied to compressor circuit as described
in Table 1-2.
NOTE: The circuit breaker will trip immediately during step 2 if the power
phase connections are not correct.
2. Turn the Compressor circuit breaker to the ON position. If the
circuit breaker trips, refer to step 3. If the circuit breaker does not
trip, refer to step 4.
3. If the circuit breaker trips, perform the following steps:
a. Turn the Compressor circuit breaker to the OFF position.
b. Disconnect the power cord from the power source.
c. Remove the circuit breaker terminal cover.
d. Reverse the wiring order of Compressor circuit breaker
terminals X and Y.
e. Torque the circuit breaker terminal screws to 12 in.-lbs.
f. Install the circuit breaker terminal cover.
g. Repeat steps 1- 2 of this procedure.
4. Install the rear panel.
5. Proceed with appropriate cryopump connections.
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