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Sample Wiring Diagrams
Gas or Electric Heat
2 Wire, 1 Stage Gas Heat
Residential Gas or Millivolt units. For jumper configuration see page 18.
Factory installed
jumper between
RC and RH
POWER
GAS OR
ELECTRIC HEAT
*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).
Common wire optional
C O/B Y W G RC RH
2 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.
16
*
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