NOTE:
If HOLD button is not left ON, temperature setting will
be lost until time/temperature program is entered.
Step 8—Checklist
1. Put away tools and instruments, and clean up debris.
2. Review Homeowner’s Guide with owner.
3. Leave literature packet with owner.
→
Fig. 2—Single-Speed Air Conditioner
with Single-Stage Furnace—Model AC Thermostat
A96340
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
N/A
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
W
Y
24 VAC COMM
N/A
TROUBLE
OUTDOOR
SENSOR
CONNECTION
C
B
L
S1
S2
C
Y
C
MODEL AC
THERMOSTAT
SINGLE-STAGE
FURNACE
SINGLE-SPEED
AIR CONDITIONER
See note 1
→
Fig. 3—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
—Model AC Thermostat
A96341
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
N/A
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM
N/A
TROUBLE
OUTDOOR
SENSOR
CONNECTION
C
B
L
S1
S2
C
Y
C
MODEL AC
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
SINGLE-SPEED
AIR CONDITIONER
See notes 1 and 5
W/W1
Y/Y2
W2
A96342
→
Fig. 4—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
—Model HP Thermostat
24 VAC HOT
FAN
HEAT STAGE 1
COOL STAGE 1
HEAT STAGE 2
N/A
R
G
W/W1
Y/Y2
O/W2
Y1/W2
R
G
24 VAC COMM
N/A
TROUBLE
OUTDOOR
SENSOR
CONNECTION
C
B
L
S1
S2
C
Y
C
MODEL HP
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
SINGLE-SPEED
AIR CONDITIONER
See note 2
W/W1
Y/Y2
W2
4
