14
18-BC77D1-6
Notes:
1. Comfort control must
be dual fuel capable
or use accessory
TAYPLUS103A.
2. Ylo and BK may not be
present on unit.
3. W1 - X2 is a field
installed jumper.
Red
Yellow
Green
White
Blue
Orange
W1
O
B
X2
G
Y1
Yellow
Yellow
Blue
Orange
Blue
Black
(X2)
Red
Red
Orange
R
Comfort Control
Variable Speed
Furnace
Heat Pump
Black
W1
W2
G
Y
B
O
BK
Y
LO
R
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Comfort Control
Air Handler
Heat Pump
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Field wiring
Yellow
Blue
Black
(X2)
Red
Orange
Red
Yellow
Orange
Green
White
Blue
B
B - Blue
W
X2
G
Y1
Y1 - Yellow
R
O
O
R
B
YI
W1
YO
DH/BK
G
W2
W3
R - Red
O - Orange
(In)
(Out)
W1 - White
Variable Speed Furnace
Hook-up Diagram
*AM7 Air Handler
Hook-up Diagram
1
1
12
34
5
12
34
5
HP
2 (Compressor)
2 (Stages)
AC (System)
}
OUTDOOR
Capacity (Tons)
OUTDOOR
}
Torque
CFM/Ton
Cool Off Delay
}
INDOOR
CFM
+12V
R13
R14
R1
R4
1
U1
R NET 1
S1
on
on
S2
R NET 2
R
6
C2
2
C1
9
C
15
C
12
C1
8
C2
1
C10
D9
L1
R22
Must configure to
“OFF” for HP Units.
Must configure to “OFF” for
single-stage compressors.
Control Board
