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Page 8
Sample Wiring Diagrams
Gas or Electric Heat
POWER
R
FAN
G
COMPRESSOR
Y
W
GAS OR
ELECTRIC HEAT
4 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.
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 6) each year or when the Low Battery indicator is
displayed (page 3).
*
4 Wire, 1 Stage Cooling, 1 Stage Heating
Residential Gas or Electric Heat, Electric Cool, split systems & package units.
For jumper configuration see pages 14 and 15.
Common wire optional
*
Factory installed
jumper between
RC and RH
INSTALLATION INSTRUCTIONS
TSTATG1152-2
C O/B Y W G RC RH