Lennox MCA Series, Installation Instructions Manual

Page: 17 / 20

17
SW
IN
G
MO
TO
R1
M
YELLO
W
RE
D
M
5
1 2 3
BLACK
CN10A
8
OP TIONAL
ADAPTER BOARD
0
8
4
1 2
3
5
67
C
9A
B
DE
F
1 2
ON
0
8
4
1 2
3
56
7
C
9A
B
D
EF
1 2
ON
0
8
4
1 2
3
56
7
C
9A
B
D
EF
1 2
ON
0
8
4
1 2
3
56
7
C
9A
B
DE
F
1 2
ON
ENC2+S1
0~F 0~F 0~F 0~F
NETADDRESS
CODE
0~15 16~31 32~47 48~63
FOR SETTING NETADDRESS
CN50 1
CN40 3
X Y E
To LVM
Comm.Bus
YEL
LO
W
BR
OW
N
RE
D
5
5
OPTIONAL
4
NOTE: COMPONENT IN
DASH LINE IS OPTIONAL
OR FIELD WIRING
CN40 2
S5
FOR REMOTE ON/OF
FACTORY SETTING
MODE
REMOTE ON/OFF OFF REMOTE ON/OFF ON
(T1)
(T2)
D IS PLAY B O ARD
CN3 (CN3
CN2 (CN201
)
Wired Controller
Programmable
Wired Controller
Note: The programmable wired
controller and LVM use the same
port CN403.
Figure 33. 18K - 208/230VAC Indoor Unit Wiring Diagram
CN6
CN3 CN2
RED
CN_TO
TRANSFORMER
CN5
INDOOR MOTOR
INDOOR UNIT
TO OUTDOOR UNIT
CN_TIN
Y/G
BLUE
5-WAY TERMINAL
MAIN BOARD
WIRING DIAGRAM
2 1
1(2)3(4)
1(2)3(4)
2(4)
2 1
2 1
2 1
2 1
2 1
CN_L1
M
~
2
WHITE
CN_N1
CN_S
FAN CAPACITOR BOARD
PC1_1 PC2_1
1 2 3 4 5
SWING MOTOR
M
5
1 2 3 4 5
CN10
T1_room
T2_pipe
CN4
3
WHITE WHITE
3
1
2
1
2 3
0
8
4
1 2
3
5
67
C
9A
B
DE
F
1 2
ON
0
8
4
1
23
56
7
C
9
AB
D
E
F
1 2
ON
0
8
4
1 2
3
5
67
C
9A
B
D
EF
1 2
ON
0
8
4
1
23
56
7
C
9
AB
DE
F
1 2
ON
ENC2+S1
0~F 0~F 0~F 0~F
NETADDRESS
CODE
0~15 16~31 32~47 48~63
FOR SETTING NETADDRESS
DISPLAY BOARD
8
Wired Controller
OPTIONAL
ADAPTER BOARD
CN3(CN301) CN501
CN403
X Y E
To LVM
Comm.Bus
YEL
LOW
BR
OW
N
RE
D
5
5
Programmable
Wired Controller
OPTIONAL
4
Note: The programmable wired
controller and LVM use the same
port CN403.
CN2(CN201)
CN402
NOTE: COMPONENT IN
DASH LINE IS OPTIONAL
OR FIELD WIRING
S5
FOR REMOTE ON/OF
FACTORY SETTING
MODE
REMOTE ON/OFF OFF REMOTE ON/OFF ON
Figure 34. 24K - 208/230VAC Indoor Unit Wiring Diagram