INVERTER MULTI
AIR CONDITIONER
WALL MOUNTED type
1
2
4
3
6
8
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . . .
REFRIGERANT SYSTEM DIAGRAM . . . .
ERROR CONTENTS . . . . . . . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .
INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
7OUTDOOR PCB CIRCUIT DIAGRAM . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . 11
STANDARD ACCESSORIES . . . . . . . . . . . 17
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . 15
Models
Indoor unit Outdoor unit
RSM-7LA
RSM-9LAROM-18LA2
RSM-12LA
12005.08.23
COMPRESSOR
DIMENSIONS
Hermetic type, Inverter, 4 poles,
Three phase, DC motor, Rotary
TNB 220 FPCM
R410 A (g) 1,900
(V) 230
HI
DISCRIMINATION
(r.p.m.)
MED (r.p.m.)
LO
QUIET
(r.p.m.)
(r.p.m.)
(r.p.m.) 780
H x W x D (mm)
H x W x D (mm) 257 x 808 x 187
650 x 830 x 320
FAN MOTOR
WEIGHT
GROSS / NET (kg)
GROSS / NET (kg) 10 / 8
62 / 56
1,000
MFA-40GR
900
850
800
1,200
1,100
1,000
940
1,310
1,260
1,190
1,100
MFA-40GR MFA-40GR
SPECIFICATIONS
COOL & HEAT
RSM-9LA RSM-12LARSM-7LA
ROM-18LA2
TYPE
INDOOR UNIT
OUTDOOR UNIT
TYPE
DISCRIMINATION
REFRIGERANT
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
ELECTRICAL DATA ( INDOOR UNIT )
2.2
2.6
2.7
3.2
(kW)
(kW)
(m3/hr)
( /hr) 1.0
430
1.2
480
3.5
4.0
1.6
530
COOLING CAPACITY
HEATING CAPACITY
MOISTURE REMOVAL
AIR CIRCULATION-Hi
HI (dB)
LO
COOLING
HEATING
(dB)
(dB)
(dB)
50
NOISE LEVEL
34
29
49
36
29
38
33INDOOR UNIT
OUTDOOR UNIT
(V) 230
COOLING CAPACITY (MAX)
HEATING CAPACITY (MAX)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
(Hz) 50
(A)
(kW)
(kW)
(kW)
(kW / kW)
7.5 (9.7)
8.0 (9.7)
5.5 (6.5)
6.4 (7.1)
ELECTRICAL DATA ( OUTDOOR UNIT )
1.73 (2.22)
1.84 (2.22)
3.18
3.48
POWER SOURCE
FREQUENCY
RUNNING CURRENT
E.E.R.
(MAX)
INPUT WATTS(MAX)
OUTLINE AND DIMENSIONS
Unit : mm
Models : RSM-7LA
RSM-9LA
RSM-12LA
INDOOR UNIT
OUTDOOR UNIT
Model : ROM-18LA2
Air flowBottom
603
343
350830
65
0
12
22005.08.05
187808
25
7
REFRIGERANT SYSTEM DIAGRAM
A Unit
B Unit
heat exchanger(Indoor)
heat exchanger(Outdoor)
3-way
valve
2-wayvalve
accumulator
compresser
4-way valve
COMP
electricexpansionvalve
strainer
strainerreceiver tank
EVA
EVB
HEAT
COOL
32005.08.19
INDOOR UNIT
CIRCUIT DIAGRAM
RSM-7LA
RSM-9LA
RSM-12LA
Models :
42005.08.05
1
1 2 3 4 5
1 2 3 4 5 6 7 81 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
12
123
123
12
13
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56
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56
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54321
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321
321
21
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56
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BLACK
THERMISTOR ( ROOM TEMP. )
THERMISTOR
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FAN MOTOR
CAPACITOR
STEPPING MOTOR
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OUTDOOR UNIT
Model : ROM-18LA2
52005.08.23
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R1
15
1
.0K
<1
/10
W>
5V
CO
NT
RO
LLE
R P
CB
AS
SE
MB
LY (
MA
IN P
CB
)
EZ
-003
7H
UE
-C
Mo
del :
RO
M-1
8L
A2
OU
TD
OO
R P
CB
C
IR
CU
IT
D
IA
GR
AM
72005.08.05
ERROR CONTENTS
82005.06.10
INDOOR UNIT
When an error occurs, "Large division indication" is indicated first.
Secondly, "Small division indication" is indicated by pushing "Test run" button of remote controller.
: Fast flashing : Slow flashing
Operation lamp : Red lamp
Timer lamp : Green lamp
Error contents Error contents
Thermistor error
(indoor unit)
Thermistor error
(outdoor unit)
(2 times)Thermistor error (room temp.)
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (4 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(4 times)
Red lamp
Green lamp
(6 times)
Red lamp
Green lamp
(8 times)
Red lamp
Green lamp
(9 times)
Red lamp
Green lamp
(10 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(5 times)
Thermistor error (heat exchanger)
Control unit error
(indoor unit)
Control unit error
(outdoor unit)
Pressure switch
error
Inverter error
Serial error
(4 times)MANUAL AUTO button error
Power source Hz decision error
Serial reverse transmission error
Serial order transmission error
Fan motor error
(indoor unit)
(5 times)
Lock error(6 times)
(2 times)
(3 times)
(4 times)
(5 times)
r.p.m error
Discharge thermistor error
Heat exchanger thermistor error
Outdoor temperature thermistor error
Compressor thermistor error
2 way valve thermistor error
3 way valve thermistor error
Pressure switch error
Capacity error of connecting indoor unit
Outdoor unit IPM error
Compressor loter location error
LED indication LED indication
Small division indicationLarge division indication
Air c
leanin
g filt
er
(optio
nal)
Model :
AP
S-0
3B
INDOOR UNIT
DISASSEMBLY ILLUSTRATION
63
777
74
74
759
240
850
92005.07.11
102005.06.10
401
108
146
764
169
122
523
283
178
178
164
109
876
127
873
34
385184
196
158
233
151
236
815
875
874
281
65
69
440
963
323
323
522-1
962-1
962-2
767-1
652-1
872
INDOOR UNIT
Model : ROM-18LA2
112005.08.23
122005.08.05
31
85
13-2
13-1
13-2
13-345-1
45-4
45-3
45-2
29
16
12
41
33
Model : ROM-18LA2
132005.08.05
273
260
349
335
361
346
109
334
344
343
348
46
108
Model : ROM-18LA2
142005.08.05
346
345
26-1
26-2
Model : ROM-18LA2
63 Front Panel Assy 9312172221 9312172221
34 Capacitor (Fan motor) 9900089061 9900089061
65 Flow Control Panel-Z 9306058043 9306058043
69 Louver-A 9306055028 9306055028
74 Filter 9305444014 9305444014
108 Base 9309755062 9309755062
109 Casing Assy 9312173037 9312173037
122 Shaft Holder-B 9303066010 9303066010
127 Drain Hose Assy 9305550029 9305550029
146 Evaporator Assy 9308559036 9373044017
151 Control Box 9330007017 9330007017
158 Connecting Pipe Assy 9306416010 9306416010
164 Fan Motor Assy-IN 9601171010 9601171010
169 Cross-Flow Fan Assy 9307836015 9307836015
178 Motor Cushion-M 9601302018 9601302018
184 Thermistor Spring 313728262708 313728262708
196 Clamp SKB-150 313035356905 313035356905
233 Power Transformer 9900028015 9900028015
236 Controller PCB Assy 9705289024 9705289031
240 Remote Control Unit
281 BRACKET(PIPE) 9330011014 9330011014
283 Bushing-A 9303529010 9303529010
323 Louver-B 9306056025 9306056025
385 Indicator PCB Assy 9705296015 9705296015
401 Wall Hook Bracket 9304358008 9304358008
440 Flow Control Panel-U 9306057046 9306057046
522-1 Gear-A 9306062002 9306062002
523 Gear Bracket 9306407001 9306407001
652-1 Thermistor Holder Pipe 313714262805 313714262805
9330002067759 Intake Grille-B 9330002067
764 Drain Cap Assy 9304150008 9304150008
767-1 Bottom Cover 9330004016 9330004016
777 CLAMPER(GRILL) 9306755010 9306755010
815 Terminal 9900040055 9900040055
850 Window (Receiver) 9330003019 9330003019
872 Indicator Case 9330009011 9330009011
873 Lamp Cover 9330014015 9330014015
874 Control Box Cover 9330008014 9330008014
875 Power Supply PCB Assy 9705294011 9705294011
876 Step Motor 9900139018 9900139018
962-1 Guard Holder-L 9306678012 9306678012
962-2 Guard Holder-R 9306677015 9306677015
963 Fan Guard 9305751013 9305751013
INDOOR UNIT
Ref.
No.Description
Ord.
Q'ty
Part No.
RSM-12LARSM-9LA
9312172221
9900089061
9306058043
9306055028
9305444014
9309755062
9312173037
9303066010
9305550029
9308559036
9330007017
9306416010
9601171010
9307836015
9601302018
313728262708
313035356905
9900028015
9705289017
(EZ-00307HSE-C) (EZ-00308HSE-C) (EZ-00309HSE-C)
9371190174 93711901749371190174
9330011014
9303529010
9306056025
9705296015
9304358008
9306057046
9306062002
9306407001
313714262805
9330002067
9304150008
9330004016
9306755010
9900040055
9330003019
9330009011
9330014015
9330008014
9705294011
9900139018
9306678012
9306677015
9305751013
RSM-7LA
PARTS LIST
When you order parts, please make a photocopy of this pageand fill the number of the parts in the "Order" column.152005.08.05
When you order parts, please make a photocopy of this pageand fill the number of the parts in the "Order" column.
OUTDOOR UNIT
2 Fan Guard 9371187013
5 Front Panel 9371924014
7 Connecteor Cover (Cabinet) 9366398004
Inverter Assy
45-1 Motor Bracket 9371929019
45-2 Motor Bracket-Top 9371931012
45-3 Motor Bracket-Center 9371930015
Ref.No.
DescriptionOrd.Q'ty
Part No.
12 Base Assy 9371920078
13-1 3-Way Valve 9372205044
13-2 2-Way Valve 9372204054
16 Condenser Assy 9372181096
39 Propeller Fan Assy 9366378013
41 Motor Induct 9601671046
26-1 Compressor Cover A 9373730019
26-2 Compressor Cover B 9373730026
31 Controller PCB Assy 9705285057
29 Separate Wall 9372795019
33 Control Cover 9372792018
--- Capacitor, Elec 9705387010
--- Capacitor, Plastic 9704305077
--- Fuse 0600086039
--- Terminal 8P 9900203047
--- Fuse Holder 0501454012
--- Terminal 2P 9701971015
--- ACTPM 9703457012
31 Controller PCB Assy 9705285057
Ref.No.
DescriptionROM-18LA2
Ord.Q'ty
Part No.
ROM-18LA2
Ref.No.
DescriptionOrd.Q'ty
Part No.
--- Gasket (Comp) 9373266013
345 Joint Pipe (3Way) Assy 9373729129
346 Expansion Valve Assy 9373729068
527 Protective Net 9371934013
734 Top Panel 9372304013
361 Accum Support Assy 9372252017
349 Capirally Assy 9373729211
348 Pressure Switch Assy 9373729044
343 Solenoid 9900165079
344 4-Way Valve 9900163013
14 Valve Cover 9372796016
13-3 3-Way Valve 9372205051
--- Clip (Cable) 9352715006
--- Br Sheet 9363708042
--- Relay 9900117016
--- Thermister Holder Pipe 313714262805
--- Capacitor, Plastic 9704305077
--- Condenser Sub Assy 9372313121
45-4 Motor Bracket-Bottom 9371932019
46 Compressor Assy 9373262015
65 Side Panel R
937192601864 Side Panel L
9371927015
85 Valve Plate 9371928036
108 Rubber Seat (Comp) 9358080009
--- Washer (Rubber) (Comp) 9358078006
--- Compressor pressure switch 9900186012
--- Compressor thermal switch 9373263012
--- Thermistor Valve 9900194017
--- Thermistor discharge 9704219039
--- Thermistor outdoor 9703516047
--- Thermistor heat sink 9900195014
--- Heat exchanger thermistor 9704220059
--- Special Nut M8 (Comp) 9355091008
162005.08.05
109 Terminal Cover (Comp) 9373264019
260 Receiver Tank Assy 9373426011
273 Strainer Assy 9366602019
334 Accumulator 9368391003
335 Accumulator Holder Rubber 9354022010
9305445011
9L model only
9370244007
9371190174
(AR-JW17)
9304358008
313714296205
0600185534
Remote control unit
Wall cap-B
Battery (penlight)
Wall hook bracket
INDOOR UNIT ACCESSORIES
9305642014
9308117007
301141164200
0700019036
Remote control unitholder
Cloth tape
Tapping screw (big)( 4 x 20)
Tapping screw (small)( 3 x 12)
ELECTRIC FILTER9310442012
DEODRANT FILTER9310441015
Air cleaning filter
Air cleaning filter frame
Adapter D (1/2" 3/8")12.7 mm 9.52 mm
Name and Shape Part No.Part No.
STANDARD ACCESSORIES
OUTDOOR UNIT ACCESSORIES
Name and Shape
313166024302
9303029015
Drain cap
Drain pipe
9370244007
Adapter D (1/2" 3/8")
12.7mm 9.52mm
172005.06.10
