14
WIRING DIAGRAM
7
CN27
CN32
CN51
CN52
SW2
SW3
SW4
SWE
ZNR01,02
DSA
FUSE
X1
LED1
LED2
MF
MV
DP
FS
TB2
TB5
TB15
TH21
TH22
TH23
LEV
SW1
SW11
SW12
SW14
SWA
SWB
SWC
W.B
RU
BZ
LED1
LED2
SW1
SW2
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
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-UP MACHINE
DRAIN FLOAT SWITCH
TERMINAL
BLOCK
THERMISTOR
LINEAR EXPANSION VALVE
I. B
Mark
LED1
Main power supply
Power supply for
MA-Remote controller
Main Power supply (Indoor unit:208-230V)
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-UP MACHINE (TEST MODE)
SWITCH
VARISTOR
SURGE ABSORBER
FUSE (T6.3AL250V)
AUX. RELAY
POWER SUPPLY (I. B)
POWER SUPPLY (I. B)
DRAIN WATER LIFTING-UP MACH.
SYMBOL
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
RECEIVING UNIT
BUZZER
LED (OPERATION INDICATION: GREEN)
LED (PREPARATION FOR HEATING: ORANGE)
EMERGENCY OPERATION (HEAT/DOWN)
EMERGENCY OPERATION (COOL/UP)
SYMBOL
NAME
SYMBOL
NAME
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
+
2.Use copper supply wires.
+
2
The black square ( ) indicates
a switch position.
ADDRESS
CN81
(RED)
ADDRESS
CN42
(RED)
BZ
WHT
YLW
ORN BLU RED BRN
LEV
LED2
SW1
CNB
5
4
MT
I-SEE SENSOR CORNER PANEL
(OPTION PART)
I-SEE
SENSOR
TO MA-REMOTE
CONTROLLER
DC8.7-13V
TB15
1
BLU
BLU
2
SW2
LED1
RU
W.B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VANE CNV
(WHT)
5
5
5
5
M
M
M
M
MV
MV
MV
MV
GRILLE
Pair No.
J41
J42
1
3
CN32
(WHT)
1
1
6
3
LED2
8
1
4
1
4
1
8
8
1
A.B
I.B
4
(RED)
ADDRESS
CN43
(RED)
ADDRESS
CN82
SWB
SWA
SWC
10ths DIGIT 1s DIGIT
SW14
BRANCH
No.
3
2
1
1 2 3 4 5 6 7 8 910
2
3
4
SW12
SW11
SW1
ON
OFF
9
1
WIRELESS
CN90
(WHT)
1
9
4
LIQUID/PIPE
CN44
(WHT)
TH23
TH22
t
t
1
4
FS
1 2
INTAKE
CN20
(RED)
t
1 2
FLOAT SW
CN4F
(WHT)
CN27
(RED)
1 2
1 2
1
3
LED1
CN25
(WHT)
CN24
(YLW)
CN3G
(BLK)
7
1
4
FAN
CNMF
(WHT)
MF
MS
3~
3
1
DP
M
1~
M
M
D.U.M
CNP
(BLU)
3 1
CNAC
(WHT)
U
U
ZNR02
ZNR01
DSA
1 3 5
FUSE
CND
DC311~339V
RECTIFICATION
X1
2 1
M-NET
CN2M
(BLU)
BLU
BLU
M1
M2
TB5
(SHIELD)
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
S
L1
L2
GR
TB2
RED
BLU
GRN/YLW
TO NEXT
INDOOR UNIT
PULL BOX
FUSE(16A)
BREAKER
(16A)
POWER SUPPLY
~/N 208-230V 60Hz
+
Be sure to turn off the source power
and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
TH21
SW3
SW4
SWE
SW2
ON
OFF
ON
OFF
ON
OFF
1 2 3 4 5 6 7 8 910
1 2 3 4 5 6
1 2 3 4 5
See fig:
+
1
1
6
6
1
4
1
4
1
5
1
5
LEV
CN60
(WHT)
MA REMOCON
CN3A
(BLU)
I-SEE SENSOR
CN4Y
(WHT)
CN41
(WHT)
CN51
(WHT)
CN52
(GRN)
I-SEE SENSOR MOTOR
CN6Y
(RED)
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
P12
MODELS
MODELS
<
+
1>
SW2
SW2
P15
P18
P24
P30
P36
0 1
2
3
4
5
6
7
8
9
0 1
2
3
4
5
6
7
8
9
0 12
3
4
5
67
89
AB
C
D
EF
PLFY-P12/15/18/24/30/36NBMU-E
PLFY-P12/15/18/24/30/36NBMU-ER1
OCH421B
