Service Manual

21
B. Defrost
1. Refrigerator: Undercounter and Worktop
Off-cycle defrost between run cycles.
2. Refrigerator: Prep Table and Freezer: All
Time-Initiated Defrost Cycle: Prep table refrigerators and all freezers have a 20-minute
defrost cycle once every 8 hours. Defrost cycle initiation and termination are controlled by
the defrost timer.
Prep Table Refrigerators: The evaporator fan motor remains energized and all other
components de-energize during the defrost cycle.
Freezers: The defrost heater energizes and all other components de-energize during the
defrost cycle. There is an in-line defrost safety thermostat.
To initiate a manual defrost cycle follow the steps below.
1) Make sure the appliance is unplugged, then
remove the rear panel. See Fig. 2.
2) Rotate the defrost timer cam clockwise until
it clicks. When the appliance is plugged in
it will start in a 20-minute defrost cycle. To
bypass the defrost cycle and start at the
beginning of an 8-hour interval, rotate the
defrost timer cam clockwise until it clicks a
2
nd
time.
3) Replace the rear panel in its correct position.
4) Plug the appliance into the electrical outlet.
III. Controls and Adjustments
A. Temperature Settings
1. Temperature Reading
A thermometer with both °F and °C scales is mounted in the cabinet. See Fig. 1.
2. Cabinet Temperature
The appliance features a cabinet temperature control dial. The warmest setting is 1 and
the coldest setting is 7. 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)
Fig. 1
Thermometer
Cabinet Temperature
Control Dial
Rear Panel
Defrost
Timer Cam
Fig. 2
Warmer Colder