Mitsubishi Electric Mr.Slim PLH42AK, Technical & Service Manual

Page: 25 / 73

OC193-23
WIRING DIAGRAM
8
MODEL PCH24EK
1
WIRING DIAGRAM
LOSSNAY
CN2L
SW17
SW18
ON
OFF
87654321
87654321
ON
OFF
TB6
R.B
1 2
5
6
2
1
BLK
BLK
RED
WHT
YLW
GRY
BLK
RED
X4 X5
X6
AC
208V
WHT
RED
YL
W
GRN
GRN
RED
X3
X5 X4
F ZNR
SW3 SW1
SW2
4 3 2 1
3 2 1
OUTDOOR
CN30
REMOCON
POWER
CN40
TO
REMOCON
CN22
TRANS VANE M3 M1M0 S R
5 4 3 2 1
CN50
DRAIN
CN20
INTAKE
CN21
PIPE
OFF
ON
YL
W
ORN ORN BLK
BRN
BLK
TH1 TH2
4 2
MF
C
MV
T
POWER SUPPLY
208/230V 60Hz
1 PHASE
L2
L1
BLK
TB1
3
BRN
2
BLU
BLU
TB3
TB2
GROUND
TRANSMISSION WIRES
DC12V
INDOOR UNIT
REMO
TE CONTR
OLLER
I.B
2 1 2 1
9
2
ORN
1
2 1
RED ORN
654321 987654321 4321 4321 4321
X6 X2
1
YLW
TO OUTDOOR UNIT
CONNECTING WIRES
DC12V(polar)
D.U.M
CN27
M2 LOUVER
GR
Y
GR
Y
ML
5 1
1 2
VANE
POSITION
CN23
RED
BLK
WHT BLU
BRN BRN
4 3
BLK BLK
6 5
2 1
HEATER
CN24
LS
10
SW5 SW6
CENTRALLY
CONTROL
CN51
X2 X3
YL
W
3
1 2
WHT
AC
230V
YL
W
YL
W
88H
RED
BLK
4 6
FS
H
5 3
88H
88H
4 3 2 1
TRANS
CN4T
BRN BRN RED RED
A
C11V
A
C15.5V
8
3 1
26H
7
8
RED
BRN BRN GR
Y
GR
Y
YL
W
BLK BLU BRN WHT RED ORN
BLK BLK
GRN
CN2
CN1
1 2 3
1 2 3 4 5
SYMBOL
C
CN1<R.B>
CN2<R.B>
CN27<I.B>
CN51<I.B>
CN2L<I.B>
F<I.B>
FS
H
I.B
LS
MF
NAME
FAN MOTOR CAPACITOR
PROGRAM TIMER CONNECTOR
REMOTE SWITCH CONNECTOR
DRAIN UP MECHA. CONNECTOR
CENTRALLY CONTROL CONNECTOR
LOSSNAY CONNECTOR
FUSE (6A)
THERMAL FUSE (196˚F 15A)
HEATER ELEMENT
INDOOR CONTROLLER BOARD
LIMIT SWITCH
FAN MOTOR (INNER THERMOSTAT)
SYMBOL
ML
MV
R.B
TH1
TH2
SW1<I.B>
SW2<I.B>
SW3<I.B>
SW5<I.B>
SW6<I.B>
NAME
LOUVER MOTOR
VANE MOTOR
REMOTE CONTROLLER BOARD
ROOM TEMPERATURE
THERMISTOR(32˚F/15k
"
, 77˚F/5.4k
"
)
PIPE TEMPERATURE
THERMISTOR(32˚F/15k
"
, 77˚F/5.4k
"
)
MODEL SELECTOR SWITCH
ADDRESS SELECTOR SWITCH
EMERGENCY OPERATION SWITCH
MODEL SELECTOR SWITCH
MODEL SELECTOR SWITCH
SYMBOL
SW17<R.B>
SW18<R.B>
T
TB1~6
X2<I.B>
X3<I.B>
X4<I.B>
X5<I.B>
X6<I.B>
ZNR
26H
88H
NAME
ADDRESS SELECTOR SWITCH
FUNCTION SELECTOR SWITCH
TRANSFORMER
TERMINAL BLOCK
LOUVER MOTOR RELAY
VANE MOTOR RELAY
FAN MOTOR RELAY
FAN MOTOR RELAY
FAN MOTOR RELAY
VARISTOR
HEATER THERMAL SWITCH
HEATER CONTACTOR
NOTES:
1.Since the indoor transformer (T) is connected with 230V power, if 208V power is used, change the wiring connection in the following procedure.
Indoor side transformer (T) for 208V YELLOW 208V RED
230V YELLOW
Indoor fan (MF) for 208V BLACK 208V BLACK
230V YELLOW
2.Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
3.Indoor and outdoor connecting wires are made with polarities, make wiring matching terminal.
4.Symbols used in wiring diagram above are, :Terminal block, :connector, :PC board insertion tab.
5.Emergency operation
If a trouble occurs with either the remote controller or the indoor microcomputer and no other trouble exists, emergency operation for cooling or
heating can be performed by changing the setting of dip switch (SW3(I.B)) on the indoor controller board (emergency dry operation is not possible).