Circuit Diagram - Friedrich MW18C3F Service Manual

CIRCUIT DIAGRAM

Model :
MW18C3F / MR18C3F
INDOOR UNIT
OUTDOOR UNIT
PIPE TEMP. THERMISTOR
DISCHARGE PIPE TEMP. THERMISTOR
OUTDOOR TEMP. THERMISTOR
WHITE
FUSE
5A-250V
TERMINAL 1
TO INDOOR UNIT POWER SUPPLY
2006.02.28
REACTOR
2 1
2 1
WHITE
RED
BLACK
1
BLACK
2
BROWN
3
BROWN
4
BLACK
1
2
BLACK
3
RED
WHITE
BLACK
FUSE 20A-250V
2 3 4 5
(L) (N)
G
CN201
RED
1 1 1
WHITE
2 2 2
WHITE
3 3 3
WHITE
4 4 4
WHITE
5 5 5
WHITE
6 6 6
WHITE
7 7 7
BLUE
1 1
YELLOW
2 2
WHITE
3 3
BLACK
FM 4 4
5 5
RED
6 6
FAN MOTOR
SW
POWER CIRCUIT
GRAY
3 3
2 2
GRAY
VARISTOR
1 1
FUSE
3.15A
1 2 3
THERMAL FUSE
102
TERMINAL
TO OUTDOOR UNIT
W7
W8
W10
W9
W11
1
CN801
2
CN71
3
4
CONTROLLER PCB ASSY
1
2
CN70
3
CN40
W4
W2
W1
W3
CN30
4
1
2
3
4
5
RED
1 1 1 1
ORANGE
2 2 2 2
YELLOW
STEP MOTOR
M
3 3 3 3
PINK
4 4 4 4
BLUE
5 5 5 5
BLACK
1
BLACK
2
PIPE TEMPERATURE
THERMISTOR
BLACK
1
BLACK
2
ROOM TEMPERATURE
THERMISTOR
G
RED
RED
1
1
WHITE WHITE
2 2
BLACK
S(S)
3 3
BLACK
RED
1 1
2 2
BLACK
3 3
WHITE
4
4 F M
YELLOW
5 5
BLUE
6
6
RED
1 1
BROWN
2 2
BLUE
3 3
E V
ORANGE
4 4
YELLOW
5 5
WHITE
6 6
BLACK
1 1
2 2 4WV
BLACK
3 3
R(R)
COMPRESSOR
C M
C(T)
FAN MOTOR
EXPANSION VALVE
4-WAY VALVE