1 Source S1-THEC11NS Owner's Manual page 14

OWNER'S MANUAL
Sample Wiring Diagrams
Gas or Electric Heat
4 Wire, 1 Stage Cooling, 1 Stage Heating-Heat Pump with B reversing valve.
Residential Heat Pumps, split systems & package units, with no auxiliary heat.
For jumper configuration see page 21.
Factory installed
jumper between
RC and RH
REVERSING VALVE
FAN
COMPRESSOR
POWER
*
Common wire is optional in all installations. If a common wire is not used the
thermostat must be powered by two AA alkaline batteries. These batteries
must be replaced (page 10) each year or when the Low Battery indicator is
displayed (page 3).
S1-THEC11NS
*
Common wire optional
C
RH
Y
W
G
RC
4 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.
Page 14