280241-YIM-D-0909
8 Johnson Controls Unitary Products
FIGURE 3 - TYPICAL FIELD CONTROL WIRING DIAGRAM SINGLE STAGE THERMOSTAT - SINGLE STAGE
GAS HEAT
FIGURE 4 - TYPICAL FIELD CONTROL WIRI
NG DIAGRAM SINGLE STAGE THERMOSTAT - TWO STAGE
GAS HEAT
R
G
W
R
G
C
YY
W
C
PROGRAMMABLE
THERMOSTAT ONLY
**
*=Minimumwiresizeof18AWG
wire should be used for all
field installed 24 volt wire.
THERMOSTAT
UNIT TERMINAL STRIP
NOTE:
HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
24 VOLT
TRANSFORMER
R
G
W
R
G
W
YY
W
C
PROGRAMMABLE
THERMOSTAT ONLY
**
**=Minimumwiresizeof18AWG
wire should be used for all
field installed 24 volt wire.
THERMOSTAT
UNIT TERMINAL STRIP
NOTE:
HEAT ANTICIPATOR
SHOULDBESETAT0.35
AMPS FOR ALL MODELS.
24 VOLT
TRANSFORMER
C
2
1