A SERVICE OF

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9
TEMPERATURE CONTROL AND FAN MOTOR REPLACEMENT
Before making any change, technician should:
1. Disconnect power to the cabinet
2. Remove screws from venturi and pull down
To change fan motor – disconnect fan motor leads – remove screws from fan guards and motor mounts.
To change a temperature control – pull off the control knob and remove screws from the control – unplug the control
leads and replace with a new control – put screws back in control and press on control knob.
FINAL CHECK LIST
A. Check operating pressures.
B. Check electrical requirements of unit to supply voltage.
C. Set temperature control for desired temperature range.
D. Check sight glass for proper refrigerant charge if provided
E. Check condensing unit for vibrating or rubbing tubing. Dampen and clamp as required.