System Control Switch - Friedrich KQ08J50A-B Service & Parts Manual

FIGURE 9 SYSTEM CONTROL PANEL
("SS" & "SM" Models Only)
4. "Hi Cool" Position - between terminals "L1"
and "C," "H" and "MS."
5. "Fan Only" Position - between terminals "L1"
and "2."

SYSTEM CONTROL SWITCH

(Heat Pump & Electric Heat Models)
An eight 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 the decorative
control panel. (See Figure 11.)
1. "Off" Position - Everything is off.
2. "Low Cool" Position - Fan operates on low
speed, compressor is on.
3. "Med Cool" Position - Fan operates on medium
speed, compressor is on.
4. "Hi Cool" Position - Fan operates on high
speed, compressor is on.
5. "Hi Heat" Position - Fan operates on high
Page 12
FIGURE 11 SYSTEM CONTROL PANEL
(Heat Pump & Electric Heat Models)
speed, compressor or electric heater is on.
6. "Med Heat" Position - fan operates on medium
speed, compressor or electric heater is on.
7. "Lo Heat" Position - Fan operates on low
speed, compressor or electric heater is on.
8. "Fan Only" Position - Fan operates on medium
speed.
FIGURE 10 SYSTEM CONTROL SWITCH
("SS" & "SM" Models Only)
NOTE: Heat pump models with electric
heat - in the heat position, the heating
element will be energized only when
the outdoor temperature is below the
operating range of the heat pump.