8
Wiring thermostat
1. Connect wiring between thermostat, indoor
unit, and outdoor unit as shown in the appropri
ate wiring diagram.
2. Seal the hole in the wall with a suitable material
to prevent drafts from entering the thermostat
case.
3. Configure thermostat and equipment for sys
tem type (gas or electric heat), program the
thermostat, and test system.
TERMINAL DESIGNATIONS
C - Common 24 VAC
G - Fan relay
W1 - 1st stage heating (electric or gas heat)
Y1 - 1st stage cooling
R - 24VAC power
TYPICAL COOL ONLY SYSTEM
TYPICAL CONVENTIONAL SINGLE-STAGE
HEAT / COOL SYSTEM
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