Johnson Controls Hx 3 S1-THXU430W Installation Manual page 74

5407934-UIM-C-1119
THERMOSTAT
2-Stage HP Heat AND Cool
2-Stage Gas Heat
24 VAC
Outputs
THERMOSTAT
2-Stage HP Heat AND Cool
Single Stage Gas Heat
24 VAC
Outputs
Outdoor Equip Type = External Dual Fuel when HP
uses dual fuel logic, or external fossil fuel kit.
74
DUAL FUEL SYSTEMS
(Furnace and Heat Pump continued)
R
C
G
W1
W2
Y1
Y2
O/B
R
C
G
W1
W2
Y1
Y2
O/B
INDOOR
2-Stage Furnace
R
C
G
W1
W2
Y1
Y/Y2
O
INDOOR
Modulating Furnace
R
C
G
W
Y1
Y/Y2
Johnson Controls Ducted Systems
OUTDOOR
2-Stage HP
FFuel Jumper = ON
R
C
W
W1 out
W2 out
Y1
Y2
Y2 out
O
OUTDOOR
2-Stage HP
FFuel Jumper = ON
R
C
W
W1 out
W2 out
Y1
Y2
Y2 out
O
A1240-001