Eim Wiring Diagrams - Honeywell TH8320R1003 Installation Manual

®
VISIONPRO 8000 WITH REDLINK™

EIM Wiring Diagrams

Typical wiring of a conventional system with up to 3-stage heat and 2-stage cool with one transformer.
1 See guides on following pages for geothermal radiant heat wiring.
2 Wire a maximum of 4 sensors using the S1-S4 terminals. S1-S4 terminals can be connected to an indoor sensor, outdoor sensor,
discharge sensor, return sensor, dry contact device to display an alert or an occupancy sensor for remote setback.
3 Remove jumper(s) if using separate transformers.
4 See "Economizer Module Wiring Diagrams" beginning on page 132.
5 Connect wireless adapter to ABCD for extended wireless range.
68-0312—03
EIM
POWER
HEAT
COOL
STATUS
FAN
LEDS
U1
U2
U3
A
B
5
C
D
S4
CONNECT OPTIONAL
S4
SENSORS TO
S3 AND S4 TERMINALS
S3
S3
2
Fig. 314. EIM wiring guide — conventional systems.
TRANSFORMER
TO THERMOSTAT
R
C
CONV
W
W2
W3
A
4
1
CONNECT OPTIONAL
SENSORS
S1 AND S2 TERMINALS
2
120
FURNACE
24 120
VAC VAC
HEAT STAGE 1
HEAT STAGE 2
HEAT STAGE 3
G
FAN
Y COMPRESSOR
STAGE 1
Y2 COMPRESSOR
STAGE 2
JUMPERS 3
SENSORS TO