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16.9.2: Defrost Heater
The defrost heater has a 300 watt rating.
The heater extends down the side and bottom of the fin and tube evaporator.
The primary heater will cut out at 45°F.
16.9.3: Defrost Thermistor
A defrost cut off thermistor acts as the primary method to terminate the defrost
event.
It is attached to the copper inlet tube of the evaporator.
The thermistor will terminate defrost at 45°F.
16.9.4: Defrost Termination Thermostat
The defrost termination thermostat acts as a secondary (safety) cut off for the
termination of the heater at the conclusion of the defrost event.
It is located at the copper outlet tube of the evaporator.
The safety cut out of this termination thermostat is set at 47°F.
16.9.5: Defrost Drip Time
Drip time is extended to the end of the defrost cycle to ensure that all water
droplets are drained off the evaporator coil to prevent refreezing.
The length of drip time is programmed at 10 minutes after the termination of the
defrost thermistor.
16.10: ACCESS TO THE DEFROST COMPONENTS
WARNING: Prior to any electrical repair the appliance must first be disconnected
from its power source.
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