Mitsubishi Electric MFZ-KA-VA Technical Data Book page 37

SLZ-KA25VAL SLZ-KA25VA
SLZ-KA35VAL SLZ-KA35VA
SLZ-KA50VAL SLZ-KA50VA
GRILLE
MV
BLU
5
WHT
MV
YLW
5
5 ORN
MV
RED
5
MV
YLW
5
YLW
H2
BRN
RED
ORN
W.B
YLW
9
BLU
CNB
VLT
GRY
BZ
PINK
LED2
SKY BLU
LED1
SW1
SW2
RU
REMOTE
CONTROLLER
W.R
[LEGEND]
SYMBOL
P.B INDOOR POWER BOARD
I.B INDOOR CONTROLLER BOARD
CN2L CONNECTOR(LOSSNAY)
CN32 CONNECTOR(REMOTE SWITCH)
CN41 CONNECTOR(HA TERMINAL-A)
CENTRALLY CONTROL
CN51
FUSE FUSE(T6.3AL250V)
LED1 POWER SUPPLY(I.B)
LED2 POWER SUPPLY(I.B)
LED3 TRANSMISSION(INDOOR-OUTDOOR)
SW2 SWITCH(CAPACITY CODE)
SW3 SWITCH(MODE SELECTION)
SWE SWITCH(EMERGENCY OPERATION)
X1 DRAIN PUMP/DEW PREVENTION HEATER
X4 RELAY(FAN MOTOR LL)
X5 RELAY(FAN MOTOR Lo)
X6 RELAY(FAN MOTOR Hi)
X7 RELAY(FAN MOTOR Me)
ZNR VARISTOR
Notes:
1. SymboIs used in wiring diagram above are,
2. Indoor and outdoor connecting wires have poIarities, make sure to match terminal numbers (S1, S2, S3) for correct wirings.
3. Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring diagram for servicing.
For details on how to operate self-diagnosis, refer to the service manuals etc.
MF
ORN
C1
RED
WHT
1 3 5 7 9
(FAN)
FAN
X6 X5 X4
X7
X6 X5 X4 X7
SWE SW3
ON
ON
OFF
OFF
1 2 3 4 5
SW2
CN2L
ON
OFF
1 2 3 4 5
1
CN32 CN51 CN41
See fig: 1
NAME
: Connector,
DP
1 3
RED BLU
RED
1 3 (D·HEATER) 1 3 (D·U·M) 1 3 (POWER
BOARD)
CNC CNP
CNDK
X1 FUSE
X1
LED3
GRN
(VANE)
CN6V
CN90
WHT
(WIRELESS)
2 3 4 5 6 (DRAIN)
WHT CN31
1 2 3 4 5 6 7 8 9 1 2
5
9
DS
* Case of wireless model
SYMBOL
W.B WIRELESS REMOTE CONTROLLER BOARD
RU RECEIVING UNIT
BZ BUZZER
LED1 LED(RUN INDICATOR)
LED2 LED(HOT ADJUST)
SW1 SWITCH(HEATING ON/OFF)
SW2 SWITCH(COOLING ON/OFF)
C1 CAPACITOR(FAN MOTOR)
DP DRAIN PUMP
DS DRAIN SENSOR
H2 DEW PREVENTION HEATER
MF FAN MOTOR
MV VANE MOTOR
TB4
TERMINAL BLOCK(INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK(REMOTE CONTROLLER
TB15
TRANSMISSION LINE)
ROOM TEMP.THERMISTOR
TH1
(0 /15kΩ, 25 /5.4kΩ DETECT)
PIPE TEMP.THERMISTOR/LIQUID
TH2
(0 /15kΩ, 25 /5.4kΩ DETECT)
COND./EVA.TEMP.THERMISTOR
TH5
(0 /15kΩ, 25 /5.4kΩ DETECT)
: Terminal (block).
37 37
I.B
ORN
1 3 1 3
(POWER)
CND
BLU
(CONTROL)
CN3C
ZNR
WHT
1
(POWER
WHT
BOARD)
2
CN2D
LED1
LED2
BLK RED
(2 PHASE) (INTAKE)
CN29 CN20
WHT BLU
1 2 1 2 (LIQUID)
(REMOCON)
CN21 CN22
3 1 2 1 2
TB15
TH1 TH2
TH5
NAME
TB4
S1
S2
TO OUTDOOR UNIT
S3
P.B
AC220-240V
1 2 3
CNSK(RED)
TRANS
DC13.1V
1 2
CN2S(WHT)
BLK
<fig: 1>
MODELS SW2
ON
KA25
OFF
1 2 3 4 5
ON
KA35
OFF
1 2 3 4 5
ON
KA50
OFF
1 2 3 4 5
* Case of wired model
1
TO MA-REMOTE
2
}
CONTROLLER
DC8.7-13V