18
CN5
In ducto r
CN8
CN18
CN7
T2B
OUTER PIPE TEMP. SENSOR
T2
T1
CN6
4
BLACK
WHITE
RED
RED
VSWING(INACTIVE)
CN21
CN24
M
M
M
5
5
5
5
SWING
INDOOR UNIT MAINBOARD
DC MOTOR
DRIVER MODULE
CN1 3
CN3
M
3
C
N
15
5
FAN1
Ceiling-Floor Type
CN2 3
ON/O FF
CN3 3
ALA RM
Alarm
Output
Remote
Control
CN19
CN16
B
LU
E
B
LA
C
K
Y
E
LL
O
W
G
R
AY
To LVM
Comm.Bus
To outdoor
Comm.Bus
W
H
IT
E
S1
S2
X
Y
(E)
Y/G
C
N
3
C
N
2
C
N
1
BLACK
RED
Ferrite bead
FILTER-BOARD
L1 L2
R
E
D
B
LA
C
K
Y/G
Y/G
Y/G
• • • • •
COMPONENT IN DASH
LINE IS OPTIONAL
OR FIELD WIRING.
INDO OR C OIL T EMP. SENS OR
ROOM TEMP. SENSOR
FAN
W ATER LEVEL SW ITC H
DISPLA Y
BOARD
10
CN10A
TO WI RED
CONTRO LLER
5
TO PROGRAMMABLE
WIRED CONTROLLER
2
CN40
4
2
Note: The
programmable
wired controller
and regular
wired controller
use the same
wiring connector
Figure 31. MCFA036S4-*P Unit Wiring Diagram
CN5
In ducto r
CN8
CN18
CN7
T2B
OUTER PIPE TEMP. SENSOR
T2
T1
CN6
4
BLACK
WHITE
RED
RED
VSWING(INACTIVE)
CN21
CN24
M
M
M
5
5
5
5
SWING
INDOOR UNIT MAINBOARD
DC MOTOR
DRIVER MODULE
CN1 3
CN3
M
3
C
N
15
5
FAN1
Ceiling-Floor Type
CN2 3
ON/O FF
CN3 3
ALA RM
Alarm
Output
Remote
Control
CN19
CN16
B
LU
E
B
LA
C
K
Y
E
LL
O
W
G
R
AY
To LVM
Comm.Bus
To outdoor
Comm.Bus
W
H
IT
E
S1
S2
X
Y
(E)
Y/G
C
N
3
C
N
2
C
N
1
BLACK
RED
Ferrite bead
FILTER-BOARD
L1 L2
R
E
D
B
LA
C
K
Y/G
Y/G
Y/G
• • • • •
COMPONENT IN DASH
LINE IS OPTIONAL
OR FIELD WIRING.
INDO OR C OIL T EMP. SENS OR
ROOM TEMP. SENSOR
FAN
W ATER LEVEL SW ITC H
DISPLA Y
BOARD
10
CN10A
TO WI RED
CONTRO LLER
5
TO PROGRAMMABLE
WIRED CONTROLLER
2
CN40
4
2
Note: The
programmable
wired controller
and regular
wired controller
use the same
wiring connector
Figure 32. MCFA048S4-*P Unit Wiring Diagram
