Circuit Diagram - Friedrich MR18Y3F Service Manual

CIRCUIT DIAGRAM

Model :
MW18Y3F / MR18Y3F
INDOOR UNIT
OUTDOOR UNIT
PIPE TEMP. THERMISTOR
DISCHARGE PIPE TEMP. THERMISTOR
OUTDOOR TEMP. THERMISTOR
FUSE
5A-250V
TERMINAL 1
TO INDOOR UNIT POWER SUPPLY
2006.02.20
REACTOR
2 1
2 1
WHITE
RED
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
WHITE
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
4 4
FM
5 5
RED
6 6
FAN MOTOR
POWER CIRCUIT
GRAY
3 3
2 2
GRAY
1 1
1
THERMAL FUSE
102
TERMINAL
TO OUTDOOR UNIT
W10
W11
1 1
CN801
2 2
CN71
3 3
4 4
CONTROLLER PCB ASSY
1 1
2 2
CN70
3 3
CN40
W4
W2
W1
W3
CN30
4
1
2
3
4
5
RED
1 1 1 1
ORANGE
2 2 2 2
YELLOW
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
SW
ROOM TEMPERATURE
THERMISTOR
VARISTOR
FUSE
3.15A
G
2 3
RED
RED
W7 1
1
WHITE WHITE
2 2
W8
BLACK
3 3
W9
BLACK
RED
1 1
2 2
BLACK
3 3
WHITE
4
4
YELLOW
5 5
BLUE
6 6
RED
1 1
BROWN
2 2
BLUE
3 3
ORANGE
4 4
YELLOW
5 5
WHITE
6 6
BLACK
1 1
2 2
BLACK
3 3
STEP MOTOR
M
R(R)
COMPRESSOR
C M
S(S)
C(T)
FAN MOTOR
F M
EXPANSION VALVE
E V
4-WAY VALVE
4WV