Conventional systems – Braeburn 2200NC User Manual
Page 5

4
Heat Only or Millivolt
Set Installer Switch to NORM
Rh* Power Connection
W Heat Relay (appears as W1/E on 2200NC)
G Fan Relay [note 4]
C 24 Volt AC Transformer Common [note 1]
1 HEAT / 1 COOL Single or Dual Transformer
Set Installer Switch to NORM
Rh* 24 Volt AC Power (heating transformer) [note 2]
Rc* 24 Volt AC Power (cooling transformer) [note 2]
W Heat Relay (appears as W1/E on 2200NC)
Y
Compressor Relay
(appears as
Y1 on 2200NC)
G Fan Relay
C 24 Volt AC Transformer Common [note 1, 3]
Typical Wiring Configurations
NOTE: The “Installer Switch” option will be configured in the next step.
Conventional Systems
24VAC Power
Terminal (C)
NOTES - Conventional Systems
[1] If batteries are installed the 24 Volt AC common connection is optional.
[2] Remove factory installed jumper for dual transformer systems.
[3] In dual transformer systems, transformer common must come from
cooling transformer.
[4] If needed for system.
Provide disconnect and overload protection as required.
2 HEAT / 1 COOL Single Transformer (2200NC Only)
Set System Type to NORM
R
24 Volt AC Power
W1 Heat Relay Stage 1
W2 Heat Relay Stage 2
Y1 Compressor Relay Stage 1
G
Fan Relay
C
24 Volt AC Transformer Common
[note 1]
* Appears as R on 2200NC (single transformer)
.