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

Figure 7

ST 9160

Thermostat Wiring For

Single Stage Heating

And Two Stage Cooling

ELECTRONIC

ELECTRONIC

FAN CONTROL

FURNACE #2

FAN CONTROL

FURNACE #1

WALL

Connect H to H

THERMOSTAT

Connect C to C

G

Y2 Y1 W1 R

TWIN

C H

TWIN

C H

R

C

W

Y

G

5

5

R

C

W

Y

G

Y

4

2

C

A/C

ISOLATION

CONDENSERS

1

3

Y

RELAY

C

Thermostat Wiring For

Two Stage Heating And

Single Stage Cooling

ELECTRONIC

ELECTRONIC

FAN CONTROL

FURNACE #2

FAN CONTROL

FURNACE #1

WALL

Connect H to H

THERMOSTAT

Connect C to C

G

Y W2 W1 R

TWIN

C H

TWIN

C H

5

R

C

W Y G

5

R

C

W Y

G

4

2

1

3

ISOLATION

A/C

C

Y

CONDENSER

RELAY

25--23--81

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