Friedrich MW18Y3F - Manual (Page 5)

CIRCUIT DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
Model :
MW18Y3F / MR18Y3F
2006.02.20 4
RED
WHITE
BLACK
RED
WHITE
BLACK
RED
BLACK
WHITE
YELLOW
BLUE
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
WHITE
RED
Y E
LL
O
W
Y E
LL
O
W
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
WHITE
WHITE
RED
BLACK
B LA
C
K
B LA
C
K
B LA
C
K
G R
E
E N
CN71
W10
W11
W7
W9
W8
CN801
W4
W2
W1
W3
CN40
CN30
CN70 1
5
4
3
2
6
1
5
4
3
2
6
1
5
4
3
2
6
1
5
4
3
2
1
3
2
1
3
2
6
1
4
3
2
1
4
3
2
1
3
2
1
3
2
1
3
2
1
3
2
2
2 1
1
5
(N)
4
(L)
3 2 1
FUSE
5A-250V
TO INDOOR UNIT POWER SUPPLY
G
TERMINAL
FUSE 20A-250V
PIPE TEMP. THERMISTOR
DISCHARGE PIPE TEMP. THERMISTOR
OUTDOOR TEMP. THERMISTOR
REACTOR
FAN MOTOR
COMPRESSOR
EXPANSION VALVE
4-WAY VALVE 4WV
E V
F M
C M
S(S)
C(T)
R(R)
CONTROLLER PCB ASSY
ORANGE
RED
YELLOW
PINK
BLUE
BLACK
BLACK
BLACK
BLACK
YELLOW
BLUE
WHITE
BLACK
RED
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GRAY
GRAY
W
H IT
E
B LA
C K
R
E D
G
R E E N /
Y
E LL
O W G 3 2 1
1
6
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
7 7 7
1
2
1
2
1
3
2
1
3
2
C N
1
C
N
7
C
N
5
C
N
6
C
N
2
C
N 3
C
N
10
CN201
W
1
W
3
W
2
THERMAL FUSE
102
TERMINAL
TO OUTDOOR UNIT
VARISTOR
FUSE
3.15A
FAN MOTOR
STEP MOTOR
PIPE TEMPERATURE
THERMISTOR
ROOM TEMPERATURE
THERMISTOR
SW
POWER CIRCUIT
FM
M
C
O
N
T R
O
LL
E
R
P
C
B
A
S
S Y
IN
D
IC
AT
O
R
P
C
B A
S S
Y