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Built-In
Built-In
Freezer Evaporator Thermistor
(611-2, 611G-2, 650-2, 650G-2)
The freezer evaporator thermistor is attached with a
screw to the left evaporator bracket.
To remove the evaporator thermistor, the freezer air
duct, evaporator cover and evaporator fan assembly
must be removed first, then (See Figures 7-86):
1. Disconnect thermistor wire leads from wire harness.
NOTE: On newer models the thermistor is hard-
wired to the control board, so it will be necessary to
cut the thermistor wires to remove it.
2. Extract screw which secures thermistor to left evap-
orator bracket.
Defrost Terminator (611-2, 611G-2, 650-2, 650G-2)
The defrost terminator is attached to the evaporator out-
let, after the accumulator.
To remove the defrost terminator, the freezer air duct,
freezer evaporator cover and evaporator fan assembly
must be removed first, then (See Figures 7-87):
1. Disconnect terminator wire leads from wire harness.
2. Pull terminator off of tubing.
Defrost Heater (611-2, 611G-2, 650-2, 650G-2)
The defrost heater is inserted into channels in the fins
of the evaporator. C-shaped heater clips are hooked
from one evaporator tube to another, over the heater, to
hold it in place.
To remove the defrost heater, the freezer air duct, freez-
er evaporator cover and evaporator fan assembly must
be removed first, then (See Figures 7-88):
1. Disconnect heater wire leads from wire harness.
2. With pliers, or similar tool, detach heater clips by
pulling tab of clips away from evaporator.
3. Gently pull heater down and to the left, out of evap-
orator fins.
NOTE: A heater strap is wrapped around the defrost
heater, then inserted into the drain cup. This strap con-
ducts heat into the drain cup during defrost. This strap
must be reinstalled when replacing the defrost heater.
Series
Series
2
2
(600-
)
(600-
)
7-35
Component Access / Removal
Evaporator
Thermistor
Figure 7-86. Evaporator Thermistor
Defrost
Terminator
Figure 7-87. Defrost Terminator
Defrost Heater
Figure 7-88. Defrost Heater
#3758407 - Revision B - August, 2006
Heater Strap
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Table of Contents
Troubleshooting
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Do you have a question about the 601R-2 and is the answer not in the manual?
Questions and answers
How do I adjust defrost cycle temperature in refrigerator 601R? Currently goes to 56 degrees.
The defrost cycle temperature in the Sub-Zero 601R refrigerator is controlled by the defrost terminator. For model 601F-2, the defrost terminator cut-in temperature is 30°F (-1°C), and the cut-out temperature is 70°F (21°C). If adjustment is needed, check for proper operation of the defrost terminator and replace it if defective. There is no manual adjustment for these temperatures.
This answer is automatically generated