Service Mnaual
Table Of Contents
- Important Safety Information
- I. Construction and Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- IV. Refrigeration Circuit and Component Service Information
- V. Preparing the Appliance for Periods of Non-Use
- VI. Disposal
- VII. Technical Information
- A. Electrical and Refrigerant Data
- B. Wiring Diagrams
- 1a. Undercounter and Worktop: Refrigerator; Cabinet Thermostat
- 1b. Undercounter and Worktop: Refrigerator; Cabinet Thermistor/Control Module
- 2a. Prep Table; Cabinet Thermostat (Without Defrost Heater)
- 2b. Prep Table; Cabinet Thermostat (With Defrost Heater)
- 2c. Prep Table; Cabinet Thermistor/Control Module
- 3a. Undercounter and Work Top: Freezer; Cabinet Thermostat
- 3b. Undercounter and Work Top: Freezer; Cabinet Thermistor/Control Module
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II. Sequence of Operation and Service Diagnosis
The steps in the sequence are as outlined below.
See the table for default cabinet temperature control settings.
Model Default Cabinet Temperature
Control Setting
Approximate Default Temperature
Undercounter
Worktop
Between 4 and 5 Refrigerator: 34°F (1°C)
Freezer: -5°F (-21°C)
Prep Table 6 34°F (1°C)
A1. Thermostat Control Sequence of Operation Flow Chart
1. Undercounter and Work Top: Refrigerator
Refrigerator Sequence Flow Chart
1. Startup/Cool Down
2. Cool Down Achieved
CTh closed
Comp energized
ConFM energized
EvapFM energized
CTh open
EvapFM energized CRMR60 and CRMR72
Comp de-energized
ConFM de-energized
EvapFM de-energized CRMR27 and CRMR48
CTh in control
CTh above setpoint CTh cools to setpoint
CTh above
setpoint
Off cycle defrost
between run cycles.
Legend:
Comp-compressor
ConFM-condenser fan motor
CTh-cabinet thermostat
EvapFM-evaporator fan motor