B

G

R

Y

Ventilator Connection

B

G

R

Y

C

W

O

Y1

Y2

R

FUSE

Green Yellow

A

B

C

D

A A

B B

C C

D D

User

Interface

Indoor

Unit

Fig. 2 — Ventilator (HRV / ERV) Connection

B

B

G

G

R

R

Y

Y

A03143

Ventilator

 

 

 

(if used)

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

Y1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

R

 

 

 

 

 

1 Spd. Heat Pump

 

 

 

FUSE

Green Yellow

A

B

C

D

A A

B B

C C

D D

User

Interface

Furnace

Fig. 3 — Variable-Speed Furnace with 1-Spd. Heat Pump (Dual Fuel)

A03144

B

B

G

G

R

R

Y

Y

Ventilator (if used)

C C

W2 W

O O

Y1 Y1

Y2

Y2

R

R

Outdoor 2-Spd. AC or HP

(R-22 Series-A unit)

Green Yellow

A

B

C

D

FUSE

A A

B B

C C

D D

User

Interface

Indoor

Unit

Fig. 4 — 2-Spd Non-Communicating AC or HP (R-22 Series-A Unit)

with Variable-Speed Indoor Unit

A03145

—3—

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Bryant SYSTXBBNIM01 instruction manual Ventilator HRV / ERV Connection