→ Table 2—Non-Programmable Thermostat Quick Reference
THERMOSTAT OUTPUT
TSTAT Model Outdoor Unit R-19 Jumper
24v
Hot
Common Fan
Heat
Stage 1
Heat
Stage 2
Heat
Stage 3
Cool
Stage 1
Cool
Stage 2
Reversing Valve
AC01-B AC N/A R C G W/W1 N/A N/A Y/Y2 N/A N/A
HP01-B HP Uncut R C G Y/Y2 W/W1 N/A Y/Y2 N/A O/W2
HP01-B AC Cut R C G W/W1 O/W2 N/A Y/Y2 N/A N/A
2S01-B 2-Speed AC Cut R C G W/W1 O/W2 N/A Y1 Y/Y2 N/A
2S01-B 2-Speed HP Uncut R C G Y1 Y/Y2 W/W1 Y1 Y/Y2 O/W2
Model Numbers: TSTATCCNAC01-B, TSTATCCNHP01-B, TSTATCCN2S01-B
Note: AC = Air Conditioner, HP = Heat Pump, 2S = 2-Speed, N/A = Not Applicable
→ Fig 4—Single-Speed Air Conditioner
with Typical Fan Coil
A98453
24 VAC HOT
24 VAC COMM
COOL STAGE 1
R
C
G
W/W1
Y/Y2
R
C
C
Y
MODEL AC
THERMOSTAT
TYPICAL
FAN COIL
SINGLE-SPEED
AIR CONDITIONER
See notes 6 and 11
Y
G
*
W2
E
W3
HEAT STAGE 1
FAN
Fig. 2—Single-Speed Air Conditioner
with Single-Stage Furnace
A97237
24 VAC HOT
24 VAC COMM
HEAT STAGE 1
COOL STAGE 1
FAN
R
C
G
W/W1
Y/Y2
R
C
C
MODEL AC
THERMOSTAT
SINGLE-STAGE
FURNACE
SINGLE-SPEED
AIR CONDITIONER
G
W
Y
Y
→ Fig. 5—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
A98454
24 VAC HOT
24 VAC COMM
HEAT STAGE 1
COOL STAGE 1
FAN
R
C
G
W/W1
Y/Y2
R
C
W2
HUM
C
Y
MODEL HP
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
SINGLE-SPEED
AIR CONDITIONER
See notes 2 and 3
W/W1
Y/Y2
G
HEAT STAGE 2
N/A
N/A
OUTDOOR
SENSOR
CONNECTION
Y1
B
S1
S2
O/W2
→ Fig. 3—Single-Speed Air Conditioner
with 2-Stage or Variable-Speed Furnace
A98452
24 VAC HOT
24 VAC COMM
HEAT STAGE 1
COOL STAGE 1
FAN
R
C
G
W/W1
Y/Y2
R
C
C
MODEL AC
THERMOSTAT
TWO-STAGE OR
VARIABLE-SPEED
FURNACE
SINGLE-SPEED
AIR CONDITIONER
See note 1
G
Y
W/W1
Y/Y2
HUM
W2
5
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