Pka-A24Ka6; Pka-A30Ka6; Pka-A36Ka6 - Mitsubishi Electric PKA-A24KA6 Service Manual

7
WIRING DIAGRAM
PKA-A24KA6.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)
RFI
5
I.B
CN105
(RED)
SWE
ON
OFF
Refer to
tables
1and 2
1
CN152
(WHT)
CN151
(WHT)
1 5
M
<Table 1>
SW1
(MODEL SELECTION)
SETTING
1 2 3 4 5
ON
OFF
The black square )indicates a switch position.
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.
Utilisez des fils d'alimentation en cuivre.
OCH584
PKA-A30KA6.TH
Name
See table 1
See table 2
MS
3~
1
CNMF
(WHT)
DB1
LED1
LED3
LED2
1 9 1 3
CN90 CN32
(WHT)
(WHT)
1 2 1 4 1 5
CN2L CN41 CN51
(RED) (WHT) (WHT)
10 1 3
CN30
(BLK)
CN20 CN44 CN4F
(RED) (WHT) (WHT)
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-A24KA6

PKA-A36KA6.TH
Symbol Name
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
TH2 Pipe temp. Thermistor/liquid
TH5 Cond./eva. temp. Thermistor
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
6
TB4
FUSE
1
YLW YLW
S1
3
ORN ORN
S2
5
S3
CN01
BLK
(BLK)
3
X1 1
ORN
CNP(BLU) BRN
3
CN3C S.W
(BLU)
1
2
LDSWE(B) SWE2
LDSWE(A)
(BLU)
W.B
1
1
RU
REC1
CNRU
(WHT)
LED1
6
6
LED2
CN301
(GRN)
2
CN22 1
1
(BLU)
2
2
TB5
MODELS SETTING MODELS
1 2 3 4 5
ON

PKA-A30KA6

ON

PKA-A36KA6

OFF OFF
:Connector, :Terminal (block).
13
TO
OUTDOOR
UNIT
R.B
1
2
TB6
OPTION PART
SETTING
1 2 3 4 5
ON
OFF