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Backup/
Indoor
Heat
Comp.
stages
Backup/
Indoor
Heat
Stages
Heat
Stages
1st
Heat
Stage
2nd Heat
Stage
3rd Heat
Stage
4th Heat
Stage
1st Em Heat
Stage
2nd Em
heat
Stage
Cool
Stages
1st
Cool
Stage
2nd
Cool
Stage
Non
HP
GAS/OIL
OR
ELEC.
2 2 2 W1 W1+W2 2 Y1 Y1+Y2
Non
HP
NONE 2 0 2 Y1 Y1+Y2
Installation Checklist
Item
Number
Item Yes No
1 Is the thermostat level where mounted on the wall?
2
Is the thermostat installed in a controlled space when using dehumidification control
with remote sensor?
3 Is the thermostat installed away from direct sunlight or discharge air vents?
4
Has the thermostat been wired correctly based on the type of equipment installed (air
handler, outdoor unit and accessories?
5 Is the thermostat wiring secured tightly to the terminals?
6 Is the common wire (terminal C) connected?
7
Has the System Test Mode located under the installer settings been used to verify
proper operation?
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