279815-PTG-D-0408
Johnson Controls Unitary Products
19
FIGURE 2 - TYPICAL FIELD WIRING DIAGRAM
REFER TO ELECTRICAL DATA
TABLES TO SIZE THE DIS-
CONNECT SWITCH, WIRING &
OVERCURRENT PROTECTION
REFER TO ELECTRICAL DATA
TABLES TO SIZE THE DIS-
CONNECT SWITCH, WIRING &
OVERCURRENT PROTECTION
POWER WIRING
24 VOLT TRANSFORMER
UNIT TERMINAL STRIP
THERMOSTAT
NOTE:
HEAT ANTICIPATOR SHOULD BE SET
AT 0.25 AMPS FOR ALL MODELS.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper operation after servicing.
PROGRAMMABLE
THERMOSTAT ONLY
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
**
* = Only required on units with
supplemental electric heat.
*
*
CONTROL WIRING