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COMPONENT INFORMATION
EVAPORATOR ASSEMBLY
MODEL 501F
WARNING
Always disconnect electrical power to equip-
ment before attempting repairs.
WARNING
Evaporator coils are sharp and easy to bend;
they are also very cold.
The larger finned tubes allow for efficient opera-
tion by drawing in the cabinet air and circulating it
through this full width evaporator.
The design incorporates an eight pass defrost
heater assy. along with a defrost drain tube heater
(Figure
2-66). The defrost drain water is caught
by the V-shaped drain trough. Because of the the
colder temperatures, a drain trough heater keeps
the area warm during the defrost cycle only.
REFRIGERATOR EVAPORATOR
ASSEMBLY - ALL MODELS
WARNING
Always disconnect electrical power at the mas-
ter switch before attempting repairs.
WARNING
Evaporator coils are sharp and easy to bend;
they are also very cold.
The larger fin tube design of the evaporator allows
for a warmer coil operating temperature. Warmer
operating temperatures provide advantages in
inside humidity, compressor capacity and control
"coil sensing" capabilities
This evaporator coil incorporates an off-cycle
defrost. Once the system is pulled down and the
control is satisfied, the unit is shut down. The unit
will remain off until the 39
reached at the control.
(Figure
2-67).
F cut-in temperature is
°
Model 501F
Defrost Heater
Assy.
Figure 2-66. Evaporator Assy.
Figure 2-67. Refrigerator Evaporator Assy
2-24
Defrost Terminator
(Location varies)
Defrost Drain
Tube heater
Refrigerator Evaporator
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