Johnson Controls Hx 3 S1-THXU430W - Wiring Diagram - Variable Capacity System

5407934-UIM-C-1119
10 Johnson Controls Ducted Systems
FIGURE 5: Wiring Diagram - Variable Capacity System
FIGURE 6: Wiring Diagram - Modulating Communicating Furnace,
Non-Communicating AC
Air Handler / Furnace
Communicating Control
Variable Capacity
AC / Heat Pump
Communicating
Control
Hx3
Thermostat
Indoor EEV
A0826-003
C
B -
R
A +
C
B -
R
A +
C
B -
R
A +
A +
R
B -
C C
B -
R
A +
A+
R
C
B-
A+
R
GND
B-
LO
COMP
HI
COMP
O
DHUM
Y1
Y/Y2
W
R
G
C
Y
Y2
R
C
Modulating Furnace
Communicating Control
Non-Communicating
Air Conditioner
A0612-004
Hx3 Thermostat