Wiring Diagram - Mitsubishi Electric Mr.Slim PCA-M35KA2 Service Manual

7

WIRING DIAGRAM

[LEGEND]
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN2L CONNECTOR (LOSSNAY)
CN32 CONNECTOR (REMOTE SWITCH)
CN41 CONNECTOR (HA TERMINAL-A)
CN51 CONNECTOR (CENTRALLY CONTROL)
CN105 CONNECTOR (IT TERMINAL)
CNL62 CONNECTOR (REACTOR)
FUSE FUSE (T6.3AL250V)
LED1 POWER SUPPLY (I.B)
LED2 POWER SUPPLY (R.B)
LED3 TRANSMISSION (INDOOR-OUTDOOR)
SW1 SWITCH (MODEL SELECTION) Refer to <Table 1>.
SW2 SWITCH (CAPACITY CODE) Refer to <Table 2>.
SW5 SWITCH (FUNCTION SETTING) Refer to <Table 3>.
SWE SWITCH (EMERGENCY OPERATION)
X2 RELAY (DRAIN PUMP)
R.B WIRED REMOTE CONTROLLER
DCL REACTOR
MF FAN MOTOR
MV
VANE MOTOR
TB2 TERMINAL BLOCK (Indoor unit Power (Option parts))
The black square ( ) indicates a switch position.
<Table 1> <Table 2> SW2 (CAPACITY CODE)
SW1 (MODEL
CAPACITY Service
SELECTION)
1 2 3 4 5
35
Service
1 2 3 4 5
1 2 3 4 5
ON
50
OFF
1 2 3 4 5
60
<Table 3>
SW5 (FUNCTION
SETTING)
Service
I.B
1 2 3 4 5 6 7 8
ON
20 18 16 14 12 10 8 6 4 2
OFF
19 17 15 13 11 9 7 5 3 1
Turn it off when a remote
CNV
controller other than
(WH)
PAR-4*MAA/CT01MAA
is connected.
CN90
(WH)
9
5
SW1
M
SW2
MV
Notes: 1.Symbols used in this wiring diagram are,
:connector, :Terminal (block).
2.lndoor and outdoor connecting wires are made with polarities,
make wiring matching terminal numbers (S1, S2, S3).
3.Since the outdoor side electric wiring may change, be sure to
check the outdoor unit electric wiring for servicing.
4.This diagram shows the wiring of indoor and outdoor connecting
wires. (specification of 230V), adopting superimposed system
of power and signal.
*1:When work to Supply power separately to indoor and
outdoor units was applied, refer to Fig. 1.
For power supply system of this unit, refer to the caution
label located near this diagram.
OCH752
SYMBOL
TB4 TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TB5,TB6
TRANSMISSION LINE)
ROOM TEMP. THERMISTOR
TH1
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
PIPE TEMP. THERMISTOR/LIQUID
TH2
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
COND. / EVA. TEMP. THERMISTOR
TH5
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
OPTION PART
PCB OF SIGNAL RECEIVER
W.B
BZ
BUZZER
LED1
LED (OPERATION INDICATION : GREEN)
LED2
LED (PREPARATION FOR HEATING : ORANGE)
RU
RECEIVING UNIT
SW1
EMERGENCY OPERATION (HEAT / DOWN)
SW2
EMERGENCY OPERATION (COOL / UP)
DRAIN PUMP
DP
FS
DRAIN FLOAT SWITCH
CAPACITY Service CAPACITY
1 2 3 4 5
ON ON
71 140
OFF OFF
1 2 3 4 5
ON 100 ON
OFF OFF
1 2 3 4 5
ON 125 ON
OFF OFF
Refer to Tables 1 and 2
SW1 SW2
CN2L
(RD)
LED3 LED2 LED1
2
CN105
1
When attaching drain pump
(option parts), remove the
BZ
CNB jumper connector CN4F and
fit the drain float switch (FS).
LED2
When attaching
LED1
drain pump
RU
(option parts)
W.B
,
CN01
CN3C
NAME
Service
1 2 3 4 5
ON
OFF
TB5
1
2
2
Refer to Table 3
J41 J42 CN32
SW5
(WH)
Pair No.
CN51
(WH) 1 2
5 1 CN22
CN41
(BU)
(WH)
1
SWE
4 1
ON OFF
CN4F CN44 CN20
(RD) (WH) (WH) (RD)
5 1 4 1 4 1 2
t° t° t°
TH2 TH5 TH1
CN4F
(WH)
1 4
FS
<Fig. 1>
I.B
(BK) TB2
POWER SUPPLY
YE RD
5 L
~(1 PHASE)
BU
3 N
230V 50Hz
OG
GNYE
1
TB4
YE
S1
(BU)
OG
S2
3
TO OUTDOOR
OG
UNIT
S3
1
BN
18
DCL
R.B
TB6
2 A
B
YE
OG
OG
BN
BK
1 3 5
CN01
*1
1 3 1 3
(BK)
CNL62
*1 (YE)
CN3C
(BU)
~
FUSE
~
X2
CNMF
CNP
(WH)
7 4 4 1 3 1
(BU)
MS
M
3~
1~
MF
DP
OUTDOOR
UNIT
TB1
POWER
SUPPLY
TB4
YE
S1
OG
S2
S3