Lennox MPA018S4M-*P User Manual

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12. Indoor Unit Diagrams
12.1. MWMA and MWMB Indoor Unit
SWING MOTOR1
M
YELLOW
RED
M
5
1
2
3
BLACK
CN10A
DISPLAY BOARD
8
Wire Contoller
OPTIONAL
Contoller
CN3(CN301)
CN501
CN403
X Y E
To CCM
Comm.Bus
YELLOW
BROWN
RED
5
5
Figure 32. MWMA and MWMB Unit Wiring Diagram
12.2. M22A Indoor Unit
1 2 3
CN13
DISPLAY
BOA RD
10
T2
T1
CN6
4
ROOM TEMP.SENSOR
BLACK
WHITE
CN10A
M
PUMP
2
INDOOR UNIT
MAINBOARD
TO WIRE
CONTROLLER
5
CN23
ON - OFF
Remote
Control
CN33
ALARM
Alarm
Output
CN15
M
Motor
5
RED(B ROWN)
CN1
BLUE(BLACK )
CN5
WATER LEVEL SWITCH
E Y X
To CCM
Comm.Bus
P1
CN3
JR6
JR6
2
Y/G
CN110
YEL L OW
TO OUTDOOR UNIT
P5
CN10
INDOOR COIL TEMP. SENSOR
Note1:remove the JR6 jumper for
remote on/off control
Figure 33. M22A009S4-1P, M22A012S4-1P and M22A018S4-1P Unit Wiring Diagram

Lennox MPA018S4M-*P Specifications

General

Brand	Lennox
Model	MPA018S4M-*P
Category	Air Conditioner
Language	English