Component Specifications
December 2002
16022064
(Replaces RT4110056 Rev. 0)
3
!
WARNING
To avoid risk of electrical shock that can cause death or severe injury, disconnect unit from power and
discharge capacitor through a 10,000-ohm resistor before servicing, unless tests require power. Wires removed
during disassembly must be replaced on correct terminals to ensure proper grounding and polarization.
Illustration
Component
Test Procedure
Results
Selector switch
Position Function
1
Off
2
Low Fan
3
Low Cool
4
Med Cool
5
High Cool
6
High Fan
Contacts Made
None
1,2
1,2,8
1,4,8
1,6,8
1,6
Thermostat
Attach ohmmeter leads between 2 and 1:
Attach ohmmeter leads between 2 and 3:
Turn control to warmest setting. Check for
continuity. Contacts close when control
warms.
Turn control to coldest setting. Check for
continuity. Contacts close when control
cools.
If continuity is not indicated, replace
affected control.
