Bryant NAHA003WK.01 Thermostat Wiring For, Single Stage Heating, And Cooling, Two Stage Heating

Figure 9

Thermostat Wiring For

Single Stage Heating

And Cooling

ELECTRONIC

ELECTRONIC

FAN CONTROL

FURNACE #2

FAN CONTROL

FURNACE #1

WALL

Connect H to H

THERMOSTAT

Connect C to C

G

Y

W R

TWIN

C H

TWIN

C H

R

C

W

Y

G

R

C

W

Y

G

5

5

4

2

1

3

ISOLATION

Y

RELAY

A/C

C

CONDENSERS

Thermostat Wiring For

Two Stage Heating &

Cooling

ELECTRONIC

ELECTRONIC

FAN CONTROL

FURNACE #2

FAN CONTROL

FURNACE #1

WALL

Connect H to H

THERMOSTAT

Connect C to C

G Y2 Y1 W2 W1R

TWIN

C H

TWIN

C H

5

R

C

W Y G

5

R

C

W Y

G

Y

C

4

2

Y

1

3

ISOLATION

A/C

C

RELAY

CONDENSER s

25--23--81a

11