Installing Equipment Interface Module (If Used); Eim Wiring Diagrams - Honeywell Home T10 Product Data

INSTALLING EQUIPMENT
INTERFACE MODULE (IF USED)
1. Mount the EIM near the HVAC equipment or on the
equipment itself. Use screws and anchors as
appropriate for the mounting surface.
2. To wire the EIM, strip 1/4" insulation, then insert wires
(see Fig. 34. For wiring diagrams, see "EIM Wiring" on
following pages.)

EIM Wiring Diagrams

S3
S3
S4
S4
1 REMOVE JUMPER(S) IF USING SEPARATE TRANSFORMERS.
NOTE: SEE FOLLOWING PAGES FOR ADDITIONAL THERMOSTAT WIRING GUIDELINES FOR OTHER SYSTEM TYPES, SENSOR WIRING,
IAQ CONTROL, AND OTHER DRY CONTACT WIRING OPTIONS.
Fig. 35. Typical wiring of a conventional system with up to 3 stage heat and 2 stage cool with one transformer
33-00462—05
THM04R3000
R
C
L
O/B
W1
W2 AUX1
AUX2
W3
Y1
Y2
G
RH
RC
R
C
U1
U1
U2
U2
U3
U3
S1
S1
S2
S2
CO NN EC
TED
CO NN EC
T
M34247A
FURNACE
W1 (HE AT STAG E 1 )
W2 (HE AT STAG E 2 )
W3 (HE AT STAG E 3 )
Y1 (COMPRESS OR STAG E 1 )
Y2 (COMPRESS OR STAG E 2 )
G (FAN)
R (2 4 V AC HOT)
C (2 4 V AC COMMON)
JUMPERS
1 1 1
16
Strip 1/4" insulation, then
insert wires as shown.
Fig. 34.
M38714
M38709