1 Source S1-THEC11NS Owner's Manual page 15

OWNER'S MANUAL
Sample Wiring Diagrams
Gas or Electric Heat
3 Wire, 1 Stage Heating
Residential Gas or Electric Heat units with a separately controlled fan.
For jumper configuration see pages 18 and 19.
Factory installed
jumper between
RC and RH
FAN
GAS OR
ELECTRIC HEAT
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
3 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.
Page 15