Honeywell Home THM04R3000 Guia De Instalacion página 6

EIM wiring guide — conventional systems
Typical wiring of a conventional system with up to 3 stage heat and 2 stage cool
with one transformer.
THM04R3000
S3
S3
S4
S4
REMOVE JUMPER(S) IF USING SEPARATE TRANSFORMERS.
1
NOTE: SEE FOLLOWING PAGES FOR ADDITIONAL THERMOSTAT WIRING GUIDELINES FOR OTHER SYSTEM TYPES, SENSOR WIRING,
IAQ CONTROL, AND OTHER DRY CONTACT WIRING OPTIONS.
R
C
L
O/B
W1
W2 AUX1
W3 AUX2
Y1
Y2
G
RH
RC
R
C
U1
U1
U2
U2
U3
U3
S1
S1
S2
S2
6
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
M38714