Thermostat Wiring
Use thermostat wiring diagram Figures 9 thru 12 and those provided with the thermostat when making these connections.
NOTE: DO NOT USE THESE DIAGRAMS FOR AEPF MODELS. SEE SUPPLEMENTAL INSTALLATION AND OPERATING
INSTRUCTIONS FOR AEPF MODELS.
Figure 9 - Low Voltage Wiring Diagram for Cooling Unit with optional heat kit 10KW and below
Figure 10 - Low Voltage Wiring Diagram for Cooling Unit with optional heat kit 15KW and above
ROOM THERMOSTAT
W
Y
TO CONDENSING
CONTACTOR
COIL
UNIT 24V. CONNECTIONS
#18 GA. 2 WIRES
#18 GA. 4 WIRE WITH
COOLING 3 WIRE WITHOUT
OUTDOOR
THERMOSTAT
(OPTIONAL)
#18 GA. 2 WIRES
CONDENSING
CONTACTOR
UNIT 24V. CONNECTIONS
COIL
#18 GA. 2 WIRES
#18 GA. 4 WIRES WITH
COOLING 3 WIRES WITHOUT
G
R
AR UNIT
R
RED
G
GREEN
W
WHITE
Y
BLUE
ROOM THERMOSTAT
W2
W Y G R
R
Y
G
W
12
AR UNIT
RED
GREEN
WHITE
BROWN
BLUE