Bryant II TSTAT-0-16 Instruction Manual download pdf (Page 14)

Fig. 17—Two-Stage Furnace With

1-Speed Heat Pump (Dual Fuel)

A97397

O/W2

W/W1

Y1/W2

G

R

THERMIDISTAT



2-STAGE

FURNACE

1-SPEED

HEAT PUMP

W/W1

G

Y/ Y2

C

Y

W2

O

R

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 2

(FURNACE LO)



HEAT STAGE 3

(FURNACE HI)

HEAT/COOL 

STAGE 1

(COMPRESSOR)

RVS COOLING

FAN

24 VAC HOT

24 VAC COMM

N/A

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 3, 7, 9, 10, 14, 15, and 17

Fig. 15—Two-Stage Furnace With

1-Speed Air Conditioner

A97395

O/W2

W/W1

Y1/W2

G

R

THERMIDISTAT



2-STAGE

FURNACE

1-SPEED

AIR CONDITIONER

W/W1

G

Y/ Y2

C

Y

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 1



COOL STAGE 1

HEAT STAGE 2

N/A

FAN

24 VAC HOT

24 VAC COMM

N/A

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 6, 13, and 15

Fig. 18—Two-Stage Furnace With

2-Speed Heat Pump (Dual Fuel)

A97398

O/W2

W/W1

Y1/W2

G

R

THERMIDISTAT



2-STAGE

FURNACE

2-SPEED

HEAT PUMP

W/W1

G

Y/Y2

C

Y2

W3

W2

Y1

O

R

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 3

(FURNACE)



HEAT/COOL 

STAGE 1

(COMPRESSOR LO)

HEAT/COOL 

STAGE 2

(COMPRESSOR HI)

RVS COOLING

FAN

24 VAC HOT

24 VAC COMM

N/A

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER



OUTDOOR 

SENSOR

See notes 3, 4, 5, 8, 9, 10, 14, 16, and 17

Fig. 16—Two-Stage Furnace With

2-Speed Air Conditioner

A97396

O/W2

W/W1

Y1/ W2

G

R

THERMIDISTAT



2-STAGE

FURNACE

2-SPEED

AIR CONDITIONER

W/W1

G

Y/Y2

C

Y2

R

Y1

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 1



COOL STAGE 1

COOL STAGE 2

HEAT STAGE 2

FAN

24 VAC HOT

24 VAC COMM

N/A

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 6, 13, and 16

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