Lennox MHA Series Installation Instructions

16
Wiring Diagrams
WIRING DIAGRAM (INDOOR UNIT)
SWING MOTOR1
M
YELLOW
RED
M
5
1
2
3
BLACK
CN10A
DI SP LA Y BOARD
8
Wired Controller
OPTIONAL
ADAPTER BOARD
CN3(CN301)
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
1
2
ON
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
1
2
ON
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
F
1
2
ON
0
8
4
1
2
3
5
6
7
C
9
A
B
D
E
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
CN501
CN403
X Y E
To LVM
Comm.Bus
YELLOW
BROWN
RED
5
5
Programmable
Wired Controller
OPTIONAL
4
Note: The programmable wired
controller and LVM use the same
port CN403.
CN2(CN201)
NOTE: COMPONENT IN
DASH LINE IS OPTIONAL
OR FIELD WIRING
CN402
S5
FOR REMOTE ON/OF
FACTORY SETTING
MODE
REMOTE ON/OFF OFFREMOTE ON/OFF ON
Figure 35. 09K,12K, 18K and 24K - 115V and 208/230VAC Indoor Unit Wiring Diagram
COMPRESSOR
4-WAY
DC-FAN
CN 7
3
PAN
HEATER
CN 15
CN 60
CRANKCASE
HEATER
CN 17
BLUE
BROWN
BLACK
3
2
L
N
RED
BLUE
Y/G
1
Y/G
AMBIENT TEMP. SENSOR
DISCHARGE TEMP. SENSOR
CN 21
.
Y/G
Y/G
CN4_1
CN4_2
CN4_3
CN4_4
REACTOR
CAPACI TOR
BROWN
BROWN
BLACK
BLACK
Y/G
2
2
BLACK
W
V
RED
BLUE
U
CN 1A
CN 3
CN 1
CN 2
CN 16
CN 50
CN 30
CN 29
CN 28
OUTDOOR CONTROL
T5/
TP
T3
T4
Figure 36. 9K - 115VAC Outdoor Unit Wiring Diagram

Lennox MHA Series Specifications

General

Brand	Lennox
Model	MHA Series
Category	Air Conditioner
Language	English