Wiring Guide - Honeywell Prestige IAQ THX9000 System Installation Manual

Wiring guide

Typical hookup of conventional system with up to three-stage heat and two-stage cool with single
transformer.
POWER
STATUS
LEDS
1
2
3
HEAT
COOL
FAN
U1
U2
U3
SENSORS
SEE WIRING GUIDE—EQUIPMENT SECTION FOR IAQ EQUIPMENT WIRING.
WIRE A MAXIMUM OF TWO SENSORS USING THE S1, S1, S2, S2
TERMINALS.
REMOVE JUMPER(S) FOR SEPARATE TRANSFORMERS.
TO THERMOSTAT
CONV
3
2-wire Prestige® IAQ and RF EIM
FURNACE
TRANSFORMER
R
24 120
C
VAC VAC
STAGE 1 HEAT
W
STAGE 2 HEAT
W2
W3
STAGE 3 HEAT
G
FAN
COMPRESSOR
Y
(STAGE 1)
COMPRESSOR
Y2
(STAGE 2)
1
3
JUMPERS
RETURN AIR SENSOR
2
DISHARGE AIR SENSOR
INDOOR SENSOR
OUTDOOR SENSOR
RETURN AIR SENSOR
DISHARGE AIR SENSOR
INDOOR SENSOR
2
OUTDOOR SENSOR
69-2445EFS—03
M32390