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Service and Installation Manual
7
OPERATION
Do not throw items into the storage area. Failure to heed these recommendations
could result in damage to the interior of the cabinet.
Refrigeration cycle
Refrigerators:
Every 6 hours, the unit will turn off to let the evaporator coil clear up the ice. The controller
now displays the defrost symbol. When the coil temperature reaches 41°F or after 20 minutes of defrost, the
unit will turn on again. The factory setting of the temperature range is 34°F to 38°F.
Freezers:
During the refrigeration cycle, the controller supplies power to the condensing unit and evaporator fan
motors. The evaporator fan will run at any time when the evaporator coil temperature is below 54°F and it will
cycle off during the defrost period. Every 6 hours, the unit will turn off and the defrost heater will work to clear up
the ice. The controller now displays the defrost symbol. When the coil temperature reaches 45°F or after 20
minutes of defrost, the unit will turn on again.
1. Anti-Condensation heaters on the door frames work in conjunction with the compressor.
2. The factory setting of the temperature range is -7°F to -3°F
Light Switch:
A light switch is located next to the on/off switch on the front of the bottom panel.
SOLID-STATE THERMOSTAT DESCRIPTIONS
1. FRONT PANEL COMMANDS
1.1 KEY FUNCTION
To display target set point; in programming mode, it selects a parameter or confirms an operation.
To start a manual defrost
To view last alarm occurrence; in programming mode, it browses the parameter codes or increases
the display value
To view last alarm occurrence; in programming mode, it browses the parameter codes or
decreases the display value
KEY COMBINATION
To lock & unlock the keyboard
To enter in programming mode
To return to the room temperature display
To switch the instrument off.
Summary of Contents for KCHGM12R
Page 12: ...Service and Installation Manual 12 WIRING DIAGRAM MODEL KCHGM12R MODEL KCHGM26R ...
Page 13: ...Service and Installation Manual 13 WIRING DIAGRAM MODEL KCHGM48R MODEL KCHGM72R ...
Page 14: ...Service and Installation Manual 14 WIRING DIAGRAM MODEL KCHGM26F MODEL KCHGM48F ...
Page 15: ...Service and Installation Manual 15 WIRING DIAGRAM MODEL KCHGM72F MODEL KCHSGM36R ...
Page 16: ...Service and Installation Manual 16 WIRING DIAGRAM MODEL KCHSGM48R MODEL KCHSGM72R ...
Page 17: ...Service and Installation Manual 17 WIRING DIAGRAM MODEL KCHGM12R ...
Page 18: ...Service and Installation Manual 18 WIRING DIAGRAM MODEL KCHGM26R ...
Page 19: ...Service and Installation Manual 19 WIRING DIAGRAM MODEL KCHGM48R ...
Page 20: ...Service and Installation Manual 20 WIRING DIAGRAM MODEL KCHGM72R ...
Page 21: ...Service and Installation Manual 21 WIRING DIAGRAM MODEL KCHSGM36R ...
Page 22: ...Service and Installation Manual 22 WIRING DIAGRAM MODEL KCHSGM48R ...
Page 23: ...Service and Installation Manual 23 WIRING DIAGRAM MODEL KCHSGM72R ...
Page 24: ...Service and Installation Manual 24 WIRING DIAGRAM MODEL KCHGM26F ...
Page 25: ...Service and Installation Manual 25 WIRING DIAGRAM MODEL KCHGM48F ...
Page 26: ...Service and Installation Manual 26 WIRING DIAGRAM MODEL KCHGM72F ...