Operation – Southbend 20120SB User Manual
Page 4
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