Wiring Diagram - Mitsubishi Electric Mr.SLIM PKA-A12GA Service Manual

WIRING DIAGRAM

8
PKA-A12GA PKA-A18GA
PKA-A12GA PKA-A18GA
1
[LEGEND]
SYMBOL NAME
P.B INDOOR POWER BOARD
I.B INDOOR CONTROLLER BOARD
FUSE FUSE (6.3A/250V)
ZNR VARISTOR
CN2L CONNECTOR<LOSSNAY>
CN32 CONNECTOR<REMOTE SWITCH>
CN41 CONNECTOR<HA TERMINAL-A>
CN51 CONNECTOR<CENTRALLY CONTROL>
SW1 SWITCH <MODEL SELECTION> See Table 1.
SW2 SWITCH <CAPACITY CODE> See Table 2.
SWE SWITCH<EMERGENCY OPERATION>
X4 RELAY<FAN MOTOR>
BCR FAN CONTROL ELEMENT
LED1 POWER SUPPLY<I.B>
LED2 POWER SUPPLY<R.B>
LED3 TRANSMISSION<INDOOR-OUTDOOR>
P.B
CNDK CN2S
(RED) (WHT)
1 1
2 2
DC13.1V
3
MF
1 2 3
C
I.B
POWER
1 3 5 1 3
FAN
CNDK
( WHT )
(RED)
X4
BCR
X4
LED3 LED2 LED1
SW2 SW1
SWE
ON
OFF
Refer to tables 1 and 2
for service PCB.
Table 1
SW1
Service board
1 2 3 4 5
ON
OFF
NOTES:
1. Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring for servicing.
2. Indoor and outdoor connecting wires have polarities, make sure to match terminal numbers (S1, S2, S3) for correct wiring.
3. Symbols used in wiring diagram above are,
4. This diagram shows the wiring of Indoor and Outdoor connecting wires (specification of 230V), adopting superimposed system of
power and signal.
1. Use copper supply wires.
PKA-A12GAL PKA-A18GAL
PKA-A12GAL
1
SYMBOL
C CAPACITOR<FAN MOTOR>
FAN MOTOR
MF
MV
VANE MOTOR
TB4 TERMINAL BLOCK<INDOOR/OUTDOOR
CONNECTING LINE>
TB5,TB6
TERMINAL BLOCK<REMOTE CONTROLLER
TRANSMISSION LINE >
TH1 ROOM TEMP.THERMISTOR
<32°F/15kΩ, 77°F/5.2kΩ DETECT>
TH2 PIPE TEMP.THERMISTOR/LIQUID
<32°F/15kΩ, 77°F/5.2kΩ DETECT>
TH5 COND./EVA.TEMP.THERMISTOR
<32°F/15kΩ, 77°F/5.2kΩ DETECT>
R.B WIRED REMOTE CONTROLLER BOARD
YLW
ORN
YLW
ORN
BRN
POWER
1 3 1 2 1 3
CND
(ORN) POWER A-CONTROL
CN2D(WHT) CN3C(BLU)
CN41 CN2L
ZNR
CN51 CN32
INTAKE LIQUID PIPE REMOCON
CN20 CN21 CN29 CN22
( RED ) ( WHT ) ( BLK ) ( BLU )
1 2
1 2 1 2 1 2
TH2
TH1 TH5
Table 2
SW2
Service board
MODELS MODELS
1 2 3 4 5
PKA- PKA-
ON
A12GA(L) A18GA(L)
OFF
: Connector, : Terminal (block).
PKA-A18GAL
1 1
NAME 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>
TB4
1
S1
TO
S2
OUTDOOR
UNIT
S3
Please set the voltage
using the remote controller.
VANE
6
For the setting method,
CN6V
( GRN )
MV
please refer to the indoor
unit Installation Manual.
WIRELESS
CN90
( WHT )
9
RU
RECEIVER
2
1 TRANSMISSION WIRES DC12V
TB5
Service board
1 2 3 4 5
ON
OFF
15
NAME
For A12/18GAL
CNB
BZ
LED1 LED2 SW2 SW1
W.B
R.B
1
TB6
2
For A12/18GA