Wiring Diagrams - Honeywell Home T4 Pro Manual Del Usuario

Wiring diagrams

1 Stage Heat Only: Gas or Oil Furnace
S L/A
S O/B
Y
AUX
Y2
E
G
C
U
U
1 2
G
C W
1 COMMON OPTIONAL.
2 G USED FOR INDEPENDENT FAN CONTROL ONLY. MOST HEAT
ONLY, GAS OR OIL FORCED AIR SYSTEMS DO NOT USE A FAN
(G) WIRE.
1H/1C: Gas Furnace +
Air-Conditioning
S
L/A
S O/B
Y
AUX
Y2 E
G
C
U
U
1 1
G
C W
C G Y W
COMMON OPTIONAL.
1
COMPATIBLE MODELS:
TH4110U2005
A
TH4210U2002
W2
W
K
R
Rc
R/Rc
SWITCH UP
FURNACE
R
M38990
COMPATIBLE MODELS:
TH4110U2005
A
TH4210U2002
W2
W
K
R
Rc
R/Rc
SWITCH UP
R
FURNACE
R
M38992
1 Stage Cool Only
S
L/A
S O/B
Y
AUX
Y2
G
C
U
U
1
C G
Y
1 COMMON OPTIONAL.
2 Transformer System, 1H/1C: Oil
Furnace + Air-Conditioning
S L/A
S O/B
Y
AUX
Y2
G
C
U
U
1
C G Y R
AIR HANDLER
1 COMMON OPTIONAL.
4
COMPATIBLE MODELS:
TH4110U2005
A
TH4210U2002
W2
E
W
K
R
Rc
R/Rc
SWITCH UP
AIR-HANDLER
R
M38991
COMPATIBLE MODELS:
TH4110U2005
A
TH4210U2002
W2
E
W
K
R
Rc
R/Rc SWITCH
DOWN
W R
OIL FURNACE
M38993