Service manual

22
WIRING DIAGRAM
7
CN27
CN32
CN51
CN52
SW2
SW3
SW4
SWE
FUSE
X1
LED1
LED2
MF
MV
DP
FS
TH21
TH22
TH23
LEV
ROOM TEMP. DETECTION
(0 / 15k, 25 / 5.4k)
PIPE TEMP. DETECTION / LIQUID
(0 / 15k, 25 / 5.4k)
PIPE TEMP. DETECTION / GAS
(0 / 15k, 25 / 5.4k)
FAN MOTOR
VANE MOTOR
DRAIN PUMP
DRAIN FLOAT SWITCH
THERMISTOR
LINEAR EXPANSION VALVE
I. B
Mark
LED1 Main power supply
Power supply for MA-Remote controller
Main Power supply (Indoor unit:220-240V) power on Lamp is lit.
Power supply for MA-Remote controller on Lamp is lit.LED2
Meaning Function
INDOOR CONTROLLER BOARD
CONNECTOR DAMPER
REMOTE SWITCH
CENTRALLY CONTROL
REMOTE INDICATION
CAPACITY CODE
MODE SELECTION
MODEL SELECTION
DRAIN PUMP (TEST MODE)
SWITCH
FUSE (T6.3AL250V)
AUX. RELAY
POWER SUPPLY (I. B)
POWER SUPPLY (I. B)
DRAIN PUMP
SYMBOL SYMBOLNAME NAME
NOTES:
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. In case of using MA-Remote controller, please connect to TB15.
(Remote controller wire is non-polar.)
3. In case of using M-NET, please connect to TB5. (Transmission line is non-polar.)
4. Symbol [S] of TB5 is the shield wire connection.
5. Symbols used in wiring diagram above are, : terminal block, : connecter.
6. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to fig *1.
[LEGEND]
LED on indoor board for service
TB2
TB5
TB15
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
TERMINAL
BLOCK
SW1
SW11
SW12
SW14
SWA
SWB
SWC
W.B
RU
BZ
LED1
LED2
SW1
SW2
A. B
OPTION PART
ADDRESS BOARD
SWITCH
MODE SELECTION
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
BRANCH NO.
CEILING HEIGHT SELECTOR
DISCHARGE OUTLET NUMBER
SELECTOR
OPTION SELECTOR
PCB FOR WIRELESS REMOTE CONTROLLER
RECEVING UNIT
BUZZER
LED (OPERATION INDICATION : GREEN)
LED (PREPARATION FOR HEATING : ORANGE)
EMERGENCY OPERATION (HEAT / DOWN)
EMERGENCY OPERATION (COOL / UP)
SYMBOL NAME
19
* Be sure to turn off the power
source and then disconnect
fan motor connector.
(Failure to do so will cause
trouble in Fan motor.)
A.B
(RED)
ADDRESS
CN43
ADDRESS
CN81
(RED)
LED2
ADDRESS
CN42
(RED)
(RED)
ADDRESS
CN82
VANE CNV
(WHT)
SWBSWA
SWC
SW1
MV MV MV MV
CN32
(WHT)
SW3 SW4
SWE
SW2
ON
OFF
ON
OFF
ON
OFF
ON OFF
3
9
6
54
3
8
5555
4
3
2
1
12345678910
12345678910 12345612345
GRILLE
2
3
4
See fig.*1
M-NET
CN2M
(BLU)
CND
(BLK)
AUTO GRILLE POWER
CNAC
(WHT)
D.U.M
CNP
(BLU)
FAN
CNMF
(WHT)
INTAKE
CN20
(RED)
CN25
(WHT)
FLOAT SW
CN4F
(WHT)
WIRELESS
CN90
(WHT)
LEV
CN60
(WHT)
WHT
YLW
ORN
BLU
RED BRN
MA REMOCON
CN3A
(BLU)
i-SEE SENSOR
CN4Y
(WHT)
i-SEE SENSOR MOTOR
CN6Y
(RED)
LIQUID/PIPE
CN44
(WHT)
CN41
(WHT)
CN51
(WHT)
CN52
(GRN)
AUTO GRILLE
CN3G
(BLK)
TH21TH23TH22 FS
CN27
(RED)
LED1
X1
FUSE
CN3A
TB5
(SHIELD)
TB2
BLU
BLU
RED
BLU
GRN/YLW
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
TO NEXT
INDOOR UNIT
PULL BOX
FUSE(16A)
BREAKER
(16A)
POWER SUPPLY
~/N 220-240V 50Hz
220V 60Hz
I.B
DC311~339V
RECTIFICATION
U.B
CN3G
AUTOMATIC FILTER ELEVATION PANEL
(OPTIONAL PART)
BZ
LEV
MT
LED2
SW1
CNB
TO MA-REMOTE
CONTROLLER
DC8.7-13V
I-SEE SENSOR CORNER PANEL
(OPTIONAL PART)
I-SEE
SENSOR
TB15
BLU
BLU
SW2
LED1
RU
W.B
Pair No.
J42J41
14
1
2
1
4
1
8
1515
16
M
M
14
16
13
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
P32
MODELS MODELS
<fig. *1> The black square (■) indicates a switch position.
SW2 SW2
P40
P50
P63
P80
P100
P125
t° t°
14
14
t°
21
31
2121
74
1
1313
3~
MF
MS
M
1~
21
135
L
N
M1
M2
S
M M M M
1418
DP
13
153
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
SW14SW11SW12
10ths
DIGIT
1s
DIGIT
BRANCH
No.
PLFY-P32/40/50/63/80/100/125VBM-E.UK
PLFY-P32/40/50/63/80VBM-E
1.UK
PLFY-P32/40/50/63/80/100/125VBM-ER2.UK
OCH413D