Mitsubishi PLA-A12BA Technical Data Book page 31

PKA-A12HA PKA-A18HA PKA-A12HAL
[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)
CN152 Connector (Back-up heating)
DSA Surge absorber
FUSE FUSE(T3.15AL250V)
LED1 Power supply (I.B)
LED2 Power supply (R.B)
LED3 Transmission (Indoor-outdoor)
Switch (Model selection) wSee table 1
SW1
Switch (Capacity code) wSee table 2
SW2
SWE Connector (Emergency operation)
ZNR01,02 Varistor
R.B Wired remote controller
TB6 Terminal block (Remote controller transmission line)
I.B
SWE
ON
OFF
1
Refer to
1
CN2L
tables
(RED)
1and 2
1
CN152
(WHT)
CN151 CN20
(WHT) (RED)
1 5
M
t ○
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 for power and signal.
w 1: If indoor and outdoor units have separate power supplies, refer to Fig 1.
w 2: For power supply system of this unit, refer to the caution label located near this diagram.
w 3: Use copper supply wires.
Name Symbol
M
MS
S.W
SWE2
TB2
TB4
TB5
TH1
TH2
TH5
W.B
LED1
LED2
REC1
MS
3~
CNMF
1
(WHT)
T11 DB1
ZNR01
U
ZNR02
LED1
U
LED3
LED2
X1
CNP(BLU)
CN3C
9 1 3
CN90
CN32
(WHT) (WHT)
2 1 4 1 5
CN41 CN51
(WHT) (WHT)
10 1 3
CN30
(BLK)
CN44 CN4F
(WHT) (WHT)
1 2 1 4 1 4
t ○ t ○
TH1 TH2 TH5
: Connector,
PKA-A18HAL
Name
Vane motor
Fan motor
Switch board
Emergency operation
Terminal block(Indoor unit Power (option))
Terminal block (Indoor/outdoor connecting line)
Terminal block (Remote controller transmission line)
Room temp. Thermistor
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
Pipe temp. Thermistor/liquid
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
Cond./eva. temp. Thermistor
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
Pcb for wireless remote controller
LED (Operation indication: Green)
LED (Preparation for heating: Orange)
Receiving unit
6
TB4 <w3>
FUSE
1
YLW YLW
S1
3 ORN
ORN
S2
5
S3
BLK
CN01
(BLK)
DSA
3
1
S.W
ORN
3 2
BRN
(BLU)
1
LDSWE(B) SWE2
LDSWE(A)
(BLU)
W.B
6
CNRU
RU
(WHT)
LD101(B) REC1
LED1 LED2
1
CN22
(BLU)
2
: Terminal (block).
<Table 1>
SW1
(MODEL SELECTION)
SETTING
1 2 3 4 5
TO
ON
OUTDOOR
OFF
UNIT
<Table 2>
SW2(CAPACITY CODE)
MODELS SETTING
1 2 3 4 5
A12
1 2 3 4 5
A18
R.B
BLU
1
1
BLU
2 2
TB5 TB6
For PKA-A.HA
w1(Fig. 1)
CN01
I.B
(BLK) TB2
YLW RED
1 L1
ORN BLU POWER SUPPLY
3
L2
208/230V 60Hz
GRN/YLW
5
GR
TB4
YLW
S1
ORN
ORN
S2 TO OUTDOOR
BRN
UNIT
I.B S3
INDOOR/OUTDOOR
1 3
COMMUNICATION
CN3C(BLU)
ON
OFF
ON
OFF
31