Installation
CTI-CRYOGENICS
HELIX TECHNOLOGY CORPORATION
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
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
f.Install the circuit breaker terminal cover.
g.Repeat steps 1- 2 of this procedure.
4.Install the rear panel.
5.Proceed with Cryopump Power Phase Switch Setting.
P/N 8040540 |