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(Heat Pump & Electric Heat Models)
An e ight position control switch is used to regulate the
operation of the fan motor and compressor. The compressor
can be operated with the fan operating at low, medium or
high speed in the cooling or heating mode. The fan motor
can also be operated independently on medium speed. See
switch section as indicated on decorative control panel.
NOTE: Heat pump models with electric heat - in the heat
position, heating element only will be energized when
outdoor temperature is below the operating range of the
heat pump.
Figure
Figure
Figure
System Control Panel
Heat Pump & Electric Heat Models
(YS, ES, YM, EM, YL & EL)
SYSTEM CONTROL SWITCH - TEST
Disconnect leads from control switch. Turn control to position
being tested. There must be continuity as follows:
1. “ Off” Position - no continuity between terminals.
2. “ Lo Cool” Position - between terminals “C” and “3”, “C2”
and “2”, “LO” and “M/S”, “AR” and “5”.
3. “ Med Cool” Position - between terminals “C” and “3”,
“C2” and “2”, “M” and “M/S”, “AR” and “5”.
4. “ Hi Cool” Position - between terminals “C” and “3”, “C2”
and “2”, “H” and “M/S”, “AR” and “5”.
System Control Switc
h
(Heat Pump / Electric
Heat Model
s
5. “ Hi Heat” Position - between terminals “C” and “1”, “C2”
and “4”, “H” and “M/S”, “AR” and “5”.
6. “ Med Heat” Position - between terminals “C” and “1”,
“C2” and “4”, “M” and “M/S”, “AR” and “5”.
7. “ Lo Cool” Position - between terminals “C” and “1”, “C2”
and “4”, “LO” and “M/S”, “AR” and “5”.
8. “ Fan Only” Position - between terminals “L1” and “M”.
TESTING THE ROTARY CONTROL SWITCHES
Allow 3 min. between restarts
Money Saver
®
MAX
COOL
MAX
HEAT
Low
Cool
Med
Cool
High
Cool
Low
Heat
Med
Heat
High
Heat
Fan
Only
YesNo
KS, KM, SL Models
A six position control switch is used to regulate the operation
of the fan motor and compressor. The compressor can be
operated with the fan operating at low, medium or high
speed. The fan motor can also be operated independently
on medium speed. See switch section a s indicated on
decorative control panel.
System Control Panel (KS, KM, SL)
Allow3min.betweenrestarts
SPEED
Sleep
Setting
Low
Cool
Medium
Cool
High
Cool
Fan
Only
MINMAX
MoneySaver
®
YesNo
19
12
13
14
(See Figure 14)
(See Figure 13)
(See Figure 12)
ELECTRIC SHOCK HAZARD
WARNING
Disconnect power to the unit before
servicing. Failure to follow this warning
could result in serious injury or death.