Sub-Zero 601R-2 Technical & Service Manual page 99

Built-In
Built-In
Freezer Evaporator Thermistor (601F-2)
The freezer evaporator thermistor is attached to the left
evaporator bracket.
To remove the freezer evaporator thermistor, the light
diffuser, freezer glass shelf and evaporator cover must
be removed first, then (See Figure 7-68):
1. Disconnect thermistor electrical leads.
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 mounting screws an pull thermistor from
unit.
Defrost Terminator (601F-2)
The defrost terminator is attached to the top center
pass of the evaporator.
To remove the defrost terminator, the light diffuser,
freezer glass shelf and evaporator cover must be
removed first, then (See Figure 7-69):
1. Disconnect terminator electrical leads.
2. Pull terminator off of evaporator.
Evaporator Defrost Heater (601F-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 light diffuser, freezer
glass shelf and evaporator cover must be removed first,
then (See Figure 7-70):
1. Disconnect heater electrical leads.
2. With a needle-nose pliers, or similar tool, detach
heater clips by pulling tab of clips away from evapo-
rator.
3. Gently pull defrost heater from fins of evaporator.
Series
Series
2
2
(600- )
(600- )
7-29
Component Access / Removal
Figure 7-68. Freezer Evaporator Thermistor
Figure 7-69. Defrost Terminator
Heater Clip
Figure 7-70. Defrost Heater
#3758407 - Revision B - August, 2006
Evaporator
Thermistor
Defrost
Terminator
Defrost Heater