Honeywell PRESTIGE THX9321 - Adjusting Program Schedules; Schedule Creation and Editing Methods; Leveraging Pre-set Energy Saver Settings

System Installation Guide
10
69-2490—03
Typicalwiringofaconventionalsystemwithupto3-stageheatand2-stagecool
withonetransformer.
EIM wiring guide — conventional systems
See following pages for additional thermostat wiring guidlines for heat pumps,
geothermal systems and optional Economizer.
1
2
3
4
See guides on following pages for thermostat wiring and geothermal radiant heat wiring.
Wire a maximum of 2 sensors using the S1 and S2 terminals. See ISU 5000-6190 for options.
Remove jumper(s) if using separate transformers.
See Economizer wiring section.
HEAT STAGE 1
HEAT STAGE 2
HEAT STAGE 3
FAN
TO THERMOSTAT
STATUS
LEDS
JUMPERS
SENSORS
CONV
FURNACE
R
C
W
W2
W3
G
Y2
Y
TRANSFORMER
120
VAC
24
VAC
COMPRESSOR
STAGE 1
COMPRESSOR
STAGE 2
POWER
HEAT
COOL
FAN
U1
U2
U3
A
CONNECT OPTIONAL
SENSORS TO
S1 AND S2 TERMINALS
(MAX. 2 SENSORS)
EIM
1
3
2
4
MCR32945
69-2490_B.indd 10 7/13/2011 1:41:54 PM