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Wolf Sub-Zero BI Series Service Manual page 14

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Component Removal
Freezer Defrost Terminator
The freezer defrost terminator is attached to a return
elbow of the evaporator.
To remove the defrost terminator, first remove all can-
tilever shelves, the fixed glass shelf, all freezer baskets,
icemaker assembly, upper light diffuser, light diffuser
brackets, upper duct assembly, middle duct assembly
and lower duct assembly, then (See Figure 6-111):
1. Disconnect defrost terminator electrical leads.
2. Pull terminator off of evaporator return elbow.
NOTE: When replacing the terminator be sure to
attach new terminator on same return elbow that the
defective terminator was removed from.
Freezer Evaporator Thermistor
The freezer evaporator thermistor is secured with a
clamp to an evaporator return elbow on the right side of
the evaporator.
To remove the evaporator thermistor, first remove all
cantilever shelves, the fixed glass shelf, all freezer bas-
kets, icemaker assembly, upper light diffuser, upper
duct assembly, middle duct assembly and lower duct
assembly, then (See Figure 6-112):
1. Extract the right wire cover mounting screws and
pull wire cover from compartment.
2. Cut cable tie securing thermistor to evaporator.
3. Cut thermistor's wire leads six (6) to twelve (12)
inches from the back wall, then pull thermistor from
compartment.
NOTE: When replacing the thermistor be sure to attach
the new thermistor to the same return elbow that the
defective thermistor was removed from.
Freezer Compartment Thermistor
The freezer compartment thermistor is inserted into a
thermistor clamp that is attached to the right wall of the
compartment, below the fixed glass shelf.
To remove the compartment thermistor, first remove all
cantilever shelves, the fixed glass shelf, all freezer bas-
kets, icemaker assembly, upper light diffuser, upper
duct assembly, middle duct assembly and lower duct
assembly, then (See Figure 6-113):
1. Extract the right wire cover mounting screws and
pull wire cover from compartment.
2. Cut thermistor's wire leads approximately six (6)
inches from back wall, then pull thermistor from
compartment.
7040317 - Revision A - September, 2015
Built-In (BI) Series
Built-In (BI) Series
Defrost
Terminator
Electrical
Connection
Figure 6-111. Defrost Terminator Removal
Figure 6-112. Evaporator Thermistor Removal
Figure 6-113. Compartment Thermistor Removal
6-44
(SWS #4380000)
(SWS #4380000)
Evaporator
Thermistor
Compartment
Thermistor

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