Typical Field Control Wiring Diagram; Typical Field Power Wiring Diagram - York Affinity BHZ024-060 Installation Manual

** = 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.
PROGRAMMABLE
THERMOSTAT ONLY
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors cancause improper and
Figure 7: Typical Field Control Wiring Diagram
Figure 8: Typical Field Power Wiring Diagram
Johnson Controls Unitary Products
THERMOSTAT
R
G
Y
W
O
C
dangerous operation. Verify proper operation after servicing.
UNIT CONTROL BOARD
TERMINAL STRIP
* *
R
G
Y
*
W
2
W
1
O
C
268721-YIM-C-0908
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.25
AMPS FOR ALL MODELS.
24 VOLT
TRANSFORMER
9