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20 CXRC-SVX01F-EN

Pre-Start Checklist

After the unit is installed, complete each step in the

checklist that follows and check off each step as completed.

When all are accomplished, the unit is ready to be started.

• Inspect all wiring connections. Connections should be

clean and tight.

• Check voltage to the unit at the line power fused

disconnect. Voltage must be within the voltage

utilization range given on the unit nameplate. Voltage

imbalance must not exceed two percent. Refer to the

“Voltage Imbalance,” p. 17.

• Check condenser fans. Condenser fan blades should

rotate freely in the fan orifices and should be mounted

securely on the motor shafts.

• Check condenser coils. Coil fins should be clean and

straight.There should be no restrictions to proper

airflow through the condenser.

• Evacuate the refrigerant system. See Maintenance

chapter of unit IOM (SCXF-SVX01*-EN or SCXG-

SVX01*-EN for evacuation and procedure.

• Once the system is properly evacuated, charge each

circuit with proper amount of refrigerant. See

Installation-Mechanical and Start-up chapters of unit

IOM (SCXF-SVX01*-EN or SCXG-SVX01*-EN for

refrigerant charging procedures.

• Prepare remainder of system for operation and

coordinate condenser start up with evaporator unit

startup.

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