Heat Pump Systems - Braeburn 1020 Installer's Manual

Conventional Systems
2 HEAT / 2 COOL Single or Dual Transformer (1220 Only)
Set System Type to CONV
Rh
Rc
W1
W2
Y1
Y2
G
C
NOTES - Conventional Systems
[1]
[2]
[3]
[4]
Provide disconnect and overload protection as required.

Heat Pump Systems

Typical Wiring Configurations
NOTE: The "Installer Switch" option will be configured in the next step.
1 HEAT / 1 COOL - No Auxiliary Heat
Set Installer Switch to HP
Rh
Rc
O or B [note 2]
Y1
G
C
2 HEAT / 1 COOL - Including Auxiliary Heat (1220 only)
Set Installer Switch to HP
Rh
Rc
O or B [note 2]
Y1
W2
E
G
C
(cont.)
[note 2]
[note 2]
[note 4]
[note 1, 3]
[note 1]
[note 3]
[note 3]
[note1]
4