Installation Manual

5 Installer Guide
1 HEAT / 1 COOL Single or Dual Transformer
Set System Type to 11CONV
Rh 24 Volt AC Power (heating transformer) [note 2]
Rc 24 Volt AC Power (cooling transformer) [note 2]
W1 Heat Relay (appears as W on the 6100)
Y1 Compressor Relay (appears as Y on the 6100)
G Fan Relay
C 24 Volt AC Transformer Common [note 1, 3]
Conventional Systems
Typical Wiring Configurations
NOTE: The “System Type” option will be configured in the Installer Settings section. The 6100 is a single stage
thermostat and not intended for multi stage equipment.
NOTES - Conventional Systems
[1] Optional 24 Volt AC common connection.
[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.
3 HEAT / 2 COOL Single or Dual Transformer
Set System Type to 32CONV
Rh 24 Volt AC Power (heating transformer) [note 2]
Rc 24 Volt AC Power (cooling transformer) [note 2]
W1 Heat Relay Stage 1
W2 Heat Relay Stage 2
W3 Heat Relay Stage 3
Y1 Compressor Relay Stage 1
Y2 Compressor Relay Stage 2 [note 4]
G Fan Relay
C 24 Volt AC Transformer Common [note 1, 3]
2 HEAT / 2 COOL Single or Dual transformer
Set System Type to 22CONV
Rh 24 Volt AC Power (heating transformer) [note 2]
Rc 24 Volt AC Power (cooling transformer) [note 2]
W1 Heat Relay Stage 1
W2 Heat Relay Stage 2
Y1 Compressor Relay Stage 1
Y2 Compressor Relay Stage 2 [note 4]
G Fan Relay
C 24 Volt AC Transformer Common [note 1, 3]
Heat Only or Millivolt
Set System Type to 11CONV
Rh Power Connection
W1 Heat Relay (appears as W on the 6100)
G Fan Relay [note 4]
C 24 Volt AC Transformer Common [note 1, 3]