Friedrich racservmn Service Manual page 20

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".
Figure 21
System Control Switch
Heat Pump / Electric Heat
(WE & WY Models)
SYSTEM CONTROL SWITCH KS, SS, KM, SM, SL Models
(See Figure 22)
A five 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 as indicated on decorative control panel.
Figure 22
System Control Panel (KS, SS, KM, SM, SL)
20
SYSTEM CONTROL SWITCH - TEST (See Figure 23)
Disconnect leads from control switch. There must be continuity
as follows:
1. "Off" Position - no continuity between terminals.
2. "Lo Cool" Position - between terminals "L1" and "C," "LO"
and "MS."
3. "Med Cool" Position - between terminals "L1" and "C,"
"M" and "MS."
4. "Hi Cool" Position - between terminals "L1" and "C,"
"H"and "MS."
5. "Fan Only" Position - between terminals "L1" and "2."
Figure 23
System Control Switch
SYSTEM CONTROL PANEL (See Figure 24)
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 as indicated on decorative control panel.
Figure 24
System Control Panel - Deluxe Series (RS & RM)