Page 17
Sample Wiring Diagrams
Gas or Electric Heat
5 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to both sets of
equipment.
COMPRESSOR
Y
R
C
POWER
COOL
FAN
G
W
GAS OR
ELECTRIC HEAT
R
H
POWER
HEAT
Cooling System
Heating System
OWNER'S MANUAL
5 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to both sets of
equipment.
Dual Transformer 5 Wire, 1 Stage Cooling, 1 Stage Heating
Residential Gas or Electric Heat, Electric Cool, split systems & package units.
For jumper configuration see pages 18 and 19.
Remove the
factory installed
jumper between
RC and RH
COMPRESSOR
Y
R
C
POWER
COOL
FAN
G
W
GAS OR
ELECTRIC HEAT
R
H
POWER
HEAT
Cooling System
Heating System
If a common wire is used it must be connected to the furnace common terminal.
If a common wire is not used the thermostat must be powered by two AA alkaline
batteries. These batteries must be replaced (page 6) each year or when the Low
Battery indicator is displayed (page 3).
*
S1-THEC11NS
Common wire optional
C
RH
Y
W
G
RC
O
/B
