Specifications

279550-YIM-E-0610
Johnson Controls Unitary Products 11
Figure 7: Typical Field Control Wiring Diagram Single Stage Thermostat - Single Stage Gas Heat
Figure 8: Typical Field Control Wiring Diagram Single Stage Thermostat - Two Stage Gas Heat
R
G
W
R
G
C
Y 1 Y
W
1
C
Y/Y 2
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
PROGRAMMABLE
THERMOSTAT ONLY
SINGLE STAGE
THERMOSTAT
CFM CONTROL BOARD
TERMINAL STRIP
24 VOLT
TRANSFORMER
* *
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
JUMPER NEEDED FOR FULL SPEED
COMPRESSOR OPERATION
R
G
W
R
G
C
Y 1 Y
W
2
W 1
C
Y/Y 2
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
PROGRAMMABLE
THERMOSTAT ONLY
SINGLE STAGE
THERMOSTAT
CFM CONTROL BOARD
TERMINAL STRIP
24 VOLT
TRANSFORMER
* *
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
JUMPER NEEDED FOR FULL SPEED
COMPRESSOR OPERATION