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4
Printed in USA 12/02
Refrigerated Base-Self-Contained © 2002
OPERATION
INTRODUCTION
This model is a heavy-duty piece of equipment designed for
continuous use. It incorporates automatic controls to regulate
the cycling of the refrigeration system.
CONTROLS AND INDICATORS
Table 2.1 - Controls and Indicators
NAME TYPE FUNCTION
Low Pressure Switch Contact Points Cycles the refrigerator system (automatic)
Suction Valve Manual Plunger Valve Isolate suction at the compressor
Discharge Valve Manual Plunger Valve Isolate discharge line at receiver
Power Control Switch (On/Off) Contact Points Terminates all of the electrical into and past
the supply cord
Thermostat Contact Points Cycles the refrigerator system (automatic)
Defrost Timer
1
Contact Points Controls scheduled evaporator coil defrosting
Solenoid Valve Automatic Plunger Shuts off refrigerant flow
1
Freezers
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