** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
PROGRAMMABLE
THERMOSTAT ONLY
Figure 7: Typical Field Control Wiring Diagram Single Stage Thermostat - Single Stage Gas Heat
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
PROGRAMMABLE
THERMOSTAT ONLY
Figure 8: Typical Field Control Wiring Diagram Single Stage Thermostat - Two Stage Gas Heat
Johnson Controls Unitary Products
SINGLE STAGE
CFM CONTROL BOARD
THERMOSTAT
TERMINAL STRIP
* *
R
G
Y
W
C
SINGLE STAGE
CFM CONTROL BOARD
THERMOSTAT
TERMINAL STRIP
* *
R
G
Y
W
C
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
R
JUMPER NEEDED FOR FULL SPEED
COMPRESSOR OPERATION
G
Y
1
Y/Y
2
W
1
C
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
R
JUMPER NEEDED FOR FULL SPEED
COMPRESSOR OPERATION
G
Y
1
Y/Y
2
W
1
W
2
C
277832-YIM-E-0610
24 VOLT
TRANSFORMER
24 VOLT
TRANSFORMER
11
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