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Conventional Systems
Typical Wiring Configurations
NOTE: The “System Type” option will be configured in Thermostat Installer Settings (section 4).
Heat Only
Hydronic Heat Only
Set System Type to 11CONV
Set System Type to 1HD
Rh
W1
G
C
24 Volt AC Power (heating transformer) [note 1]
Heat Relay
Fan Relay [note 3]
24 Volt AC Transformer Common
1 HEAT / 1 COOL Single or Dual Transformer
Set System Type to 11CONV
Rh
Rc
W1
Y1
G
C
24 Volt AC Power (heating transformer) [note 1]
24 Volt AC Power (cooling transformer) [note 1]
Heat Relay
Compressor Relay
Fan Relay
24 Volt AC Transformer Common [note 2]
2 HEAT / 2 COOL Single or Dual transformer
Set System Type to 22CONV
Rh
Rc
W1
W2
Y1
Y2
G
C
Rh
W1
V3
G
C
24 Volt AC Power (heating transformer) [note 1]
Zone Valve Power Open
Zone Valve Power Close
Fan Relay [note 3]
24 Volt AC Transformer Common
Hydronic Heat / 1 Cool
Set System Type to 11HD
Rh
Rc
W1
V3
Y1
G
C
24 Volt AC Power (heating transformer) [note 1]
24 Volt AC Power (cooling transformer) [note 1]
Zone Valve Power Open
Zone Valve Power Close
Compressor Relay
Fan Relay
24 Volt AC Transformer Common [note 2]
NOTES - Conventional Systems
[1]Open (J1) jumper for dual transformer installations.
[2]In dual transformer systems, transformer
common must come from cooling transformer.
[3]If needed for system.
Provide disconnect and overload protection as required.
24 Volt AC Power (heating transformer) [note 1]
24 Volt AC Power (cooling transformer) [note 1]
Heat Relay Stage 1
Heat Relay Stage 2
Compressor Relay Stage 1
Compressor Relay Stage 2 [note 3]
Fan Relay
24 Volt AC Transformer Common [note 2]
Additional Wiring Options
S1
S2
Indoor or Outdoor Remote Sensor [note 1]
NOTES - Additional Wiring Options
[1]These terminals can be used to connect a
Braeburn® wired indoor or outdoor remote sensor.
Indoor remote sensor must be configured in Thermostat Installer Settings (section 4).
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Installer Guide