Sub-Zero UC-24 Series Service Manual page 9

Under Counter (UC-24) Series
Evaporator Fan Assembly (Model UC-24B)
The evaporator fan assembly is attached to the rear
wall with screws.
To remove the evaporator fan assembly, first remove
the cabinet slides and support spacers from the hinge-
side wall, as well as the fan shroud and evaporator
cover, then (See Figure 7-18):
1. Disconnect fan motor electrical leads.
2. Extract fan assembly mounting screws and pull
assembly from compartment.
Compartment Thermistor (Model UC-24B)
The compartment thermistor is attached to the rear wall,
above the evaporator, with a screw and P-clamp. The
thermistor wires run direct to the electronic control
board.
To remove a compartment thermistor, first remove the
cabinet slides and support spacers from the hinge-side
wall, as well as the fan shroud and evaporator cover,
then (See Figure 7-19):
1. Extract P-clamp mounting screw and pull thermistor
body from P-clamp.
2. Cut thermistor wire leads six (6) to twelve (12) inch-
es (152 mm - 305 mm) from the point where they
enter the compartment, then pull thermistor from
compartment.
Evaporator Thermistor (Model UC-24B)
The evaporator thermistor is inserted into an opening in
the evaporator fins at the left side, just below the sec-
ond return elbow from the top, and approximately to the
center of the evaporator. The thermistor wires run
direct to the electronic control board.
To remove the evaporator thermistor, first remove the
cabinet slides and support spacers from the hinge-side
wall, as well as the fan shroud and evaporator cover,
then (See Figure 7-19):
1. Pull thermistor from evaporator fins.
2. Cut thermistor wire leads six (6) to twelve (12) inch-
es (152 mm - 305 mm) from the point where they
enter the compartment, then pull thermistor from
compartment.
Component Access/Removal
Figure 7-18. Evaporator Fan Assembly Removal
Figure 7-19. Evaporator Thermistor and
Compartment Thermistor Removal
7-9
#7003933 - Revision B - November, 2007
Evaporator Fan
Assembly
Thermistors