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40
E. Defrost
DANGER
Risk of Fire or Explosion Flammable Refrigerant Used
• Do not use mechanical devices to defrost.
• Do not puncture refrigerant tubing. Risk of re or explosion due to puncture of
refrigerant tubing; follow handling instructions carefully.
Risque De Feu Ou D'Explosion Le Frigorigène Est Inammable
• Ne pas utiliser d'appareils mécaniques pour dégivrer le réfrigérateur.
• Ne pas perforer la tubulure contenant le frigorigène. Risque de feu ou d'explosion si la
tubulure contenant le frigorigène est perforée; suivre les instructions de manutention
avec soin.
1. Refrigerators
Refrigerators use a time-initiated, off-cycle defrost. Defrost occurs when either the
2-hr.cumulative compressor run timer terminates or the 2-hr. continuous compressor run
timer terminates. When either the 2-hr.cumulative compressor run timer or the
2-hr. continuous compressor run timer terminates, defrost begins. The 5-min. minimum
defrost timer and the 1-hr. maximum defrost timer starts. If energized, the compressor
de-energizes and the evaporator fan motor continues. Cabinettemperature is not
displayed during defrost; "dEF" is displayed in its place along with defrost icon. After
the 5-min. minimum defrost timer terminates and the defrost thermistor warms to 44°F
(6.6°C), defrost terminates. The defrost icon turns off and the compressor energizes.
"dEF" is displayed during defrost and continues for 15 min. after defrost termination.
Once the 15-min. "dEF" display timer terminates, cabinet temperature returns to the
display. Note: If the defrost thermistor is above 50°F (10°C) the evaporator fan motor
de-energizes until the defrost thermistor drops to 49°F (9°C).
2. Freezers
Freezers use a time-initiated, heated defrost. Defrost occurs when either the
5-hr.cumulative compressor run timer terminates or the 4-hrcontinuous compressor
run timer terminates. When either the 5 hr. cumulative compressor run timer or the
4-hrcontinuous run timer terminates, defrost begins. The 5-min. minimum defrost timer
and the 1-hr. maximum defrost timer starts. If energized, the compressor and evaporator
fan motor de-energizes. Cabinettemperature is not displayed during defrost; "dEF"
is displayed in its place along with the defrost icon. After the 5-min. minimum defrost
timer terminates and the defrost thermistor warms to 77°F (25°C), defrost terminates
(defrost heater de-energizes). A 3-min. compressor delay timer starts. Once the 3-min.
compressor delay timer terminates, the compressor energizes and a 4-min. evaporator
fan motor delay timer (drip time) starts. Once the 4-min. evaporator fan motor delay timer
(drip time) terminates, the evaporator fan motor energizes, the defrost icon turns off, and
the 15-min. temperature display delay timer starts. Once the 15-min. temperature display
delay timer terminates, cabinet temperature is displayed. Note that the 4-min. evaporator
fan motor delay time is a maximum; if the defrost thermistor cools to 15°F (-9.5°C) before
the 4-min. evaporator fan motor delay timer terminates, the evaporator fan motor will
energize. Note: If the defrost thermistor is above 32°F (0°C) the evaporator fan motor
de-energizes until the defrost thermistor drops to 29°F (-0.5°C).
3. Manual Defrost
To initiate a manual defrost, press the manual defrost button, defrost begins.
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