Specifications

279550-YIM-E-0610
12 Johnson Controls Unitary Products
Figure 9: Typical Field Control Wiring Diagram Two Stage Thermostat - Single Stage Gas Heat
Figure 10: Typical Field Control Wiring Diagram Two Stage Thermostat - Two Stage Gas Heat
R
G
W
1
R
G
C
Y
1
Y
1
W
1
C
Y
2
Y/Y
2
W
2
W
2
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
PROGRAMMABLE
THERMOSTAT ONLY
2 STAGE
THERMOSTAT
CFM CONTROL BOARD
TERMINAL STRIP
24 VOLT
TRANSFORMER
* *
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.