Wiring Diagram - Mitsubishi Electric Mr. Slim PKA-A24KA4 Service Manual

7

WIRING DIAGRAM

PKA-A24KA4.TH
[Explanation of symbols]
Symbol
I.B Indoor controller board
CN2L Connector (LOSSNAY)
CN30 Connector (LLC)
CN32 Connector ( Remote switch)
CN41 Connector (HA terminal-A)
CN51 Connector (Centrally control)
CN90 Connector (Remote operation adapter)
CN105 Connector (Radio frequency interface)
CN152 Connector (Back-up heating)
FUSE FUSE (T3.15AL250V)
LED1 Power supply (I.B)
LED2 Power supply (R.B)
LED3 Transmission (Indoor-outdoor)
SW1 Switch (Model selection)
SW2 Switch (Capacity code)
SWE Connector (Emergency operation)
R.B Wired remote controller board
TB6 Terminal block (Remote controller transmission line)
I.B
CN105
( RED )
SWE
ON
OFF
Refer to
tables
1and 2
1
CN152
(WHT)
CN151
(WHT)
1
M
<Table 1>
SW1
(MODEL SELECTION)
SETTING
1 2 3 4 5
The black square (
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.
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-A30KA4.TH
Name
See table 1
See table 2
RFI
5
1
DB1
LED1
LED3
LED2
1 9 1 3
CN90
CN32
(WHT)
(WHT)
1 2 1 4 1
CN2L CN41 CN51
(RED) (WHT) (WHT)
10 1 3
CN30
(BLK)
CN20 CN44 CN4F
(RED) (WHT) (WHT)
5 1 2 1 4 1 4
t° t° t°
TH1 TH2 TH5
<Table 2>
SW2 (CAPACITY CODE)
MODELS SETTING
1 2 3 4 5
PKA-A24KA4
ON
OFF
■
) indicates a switch position.
PKA-A36KA4.TH
Symbol
M Vane motor
MS Fan motor
S.W Switch board
SWE2 Emergency operation
TB2 Terminal block(Indoor unit Power (option))
TB4 Terminal block (Indoor/outdoor connecting line)
TB5 Terminal block (Remote controller transmission line)
TH1 Room temp. Thermistor
(32°F/15kΩ, 77°F/5.4kΩ Detect)
TH2 Pipe temp. Thermistor/liquid
(32°F/15kΩ, 77°F/5.4kΩ Detect)
TH5 Cond./eva. temp. Thermistor
(32°F/15kΩ, 77°F/5.4kΩ Detect)
W.B Pcb for IR wireless remote controller
LED1 LED (Operation indication : Green)
LED2 LED (Preparation for heating: Orange)
REC1 Receiving unit
RFI Radio frequency interface for RF thermostat
MS
3~
6
CNMF
(WHT)
FUSE
1 YLW
YLW
3 ORN ORN
5
CN01
BLK
(BLK)
3
X1 1
ORN
CNP (BLU)
BRN
3
CN3C S.W
(BLU)
1
2
LDSWE(B)
LDSWE (A)
(BLU)
W.B
1
5 1
CNRU
(WHT)
6 6
CN301
(GRN)
1 2
CN22
(BLU)
2
MODELS SETTING
1 2 3 4 5
ON PKA-A30KA4 ON
OFF OFF
: Connector, : Terminal (block).
10
Name
< 1>
TB4
S1 TO
OUTDOOR
S2
UNIT
S3
SWE2
RU
REC1
LED1
LED2
R.B
1 1
2 2
TB5 TB6
OPTION PART
MODELS SETTING
1 2 3 4 5
PKA-A36KA4 ON
OFF