Manuals+

Fujitsu Inverter Multi Air Conditioner Service Manual

Wall Mounted Type

Indoor Unit Models

Outdoor Unit Models

Contents

Specifications

Indoor Unit Electrical Data

TypeASYA07LACMASYA09LACMASYA12LACMASYA14LACMASYA18LACM
Cooling Capacity2.3 kW2.7 kW3.5 kW4.2 kW5.0 kW
Heating Capacity2.7 kW3.3 kW4.0 kW4.8 kW6.0 kW
Moisture Removal0.8 L/hr1.0 L/hr1.2 L/hr1.4 L/hr2.0 L/hr
Air Circulation High500 m3/hr550 m3/hr580 m3/hr700 m3/hr700 m3/hr

Fan Motor

Power Source: 230 V

DiscriminationMFD-34ROMMFD-34ROMMFD-34ROMMFD-34ROMMFD-34ROM
High1,140 / 1,140 r.p.m.1,220 / 1,220 r.p.m.1,280 / 1,320 r.p.m.1,480 / 1,480 r.p.m.1,480 / 1,480 r.p.m.
Middle1,000 / 1,050 r.p.m.1,060 / 1,110 r.p.m.1,100 / 1,180 r.p.m.1,250 / 1,250 r.p.m.1,250 / 1,250 r.p.m.
Low880 / 980 r.p.m.900 / 1,040 r.p.m.900 / 1,080 r.p.m.1,050 / 1,100 r.p.m.1,100 / 1,100 r.p.m.
Quiet700 / 800 r.p.m.720 / 830 r.p.m.750 / 860 r.p.m.850 / 950 r.p.m.950 / 950 r.p.m.

Noise Level

HIGHQUIET
ASYA07LACM35 dB(A)21 dB(A)
ASYA09LACM38 dB(A)22 dB(A)
ASYA12LACM39 dB(A)23 dB(A)
ASYA14LACM45 dB(A)26 dB(A)
ASYA18LACM45 dB(A)28 dB(A)

Measurement

DIMENSIONS H x W x DWEIGHT Gross / Net
275 x 790 x 215 mm12 kg / 9 kg

Outdoor Unit Electrical Specifications

TypeCooling & heating multiCooling & heating multi
MODEL NAMEAOY18LMAK2AOY24LMAM2
COOLING CAPACITY5.5 kW5.8 kW
HEATING CAPACITY6.3 kW6.4 kW
POWER SUPPLY230 V230 V
FREQUENCY50 Hz50 Hz
RUNNING CURRENTCooling7.3 A7.6 A
Heating7.3 A7.2 A
INPUTCooling1.65 kW1.73 kW
Heating1.65 kW1.64 kW
EERCooling3.33 kW/kW3.35 kW/kW
Heating3.82 kW/kW3.90 kW/kW
AIR CIRCULATION HIGH2,800 m³/hr2,800 m³/hr
MAX CURRENT10.5 A12.5 A

Fan Motor

DISCRIMINATIONMFB24JTAT
HIGH SPEED (COOL)780 r.p.m.
HIGH SPEED (HEAT)780 r.p.m.

Noise Level

COOLHEAT
AOY18LMAK249 dB(A)50 dB(A)
AOY24LMAM249 dB(A)50 dB(A)

Measurement

DIMENSIONS H x W x DWEIGHT Net / Gross
AOY18LMAK2650 x 830 x 320 mm56 kg / 62 kg
AOY24LMAM2650 x 830 x 320 mm56 kg / 62 kg

Compressor and Refrigerant
COMPRESSOR TYPEHermetic type, Inverter, 4 poles, 3-phase, DC motor, Twin Rotary
DISCRIMINATIONTNB220FPCMT
WEIGHT (with oil)14.1 kg
STANDARD REFRIGERANT1,900 g
REFRIGERANT TYPER410A
ADDITIONAL CHARGEChargeless
MAX PIPE LENGTH (each unit)20 m
MAX PIPE LENGTH (total)30 m
MIN. PIPE LENGTH (each unit)5 m
MIN. PIPE LENGTH (total)10 m
MAX ELEVATION (between indoor units)10 m
MAX ELEVATION (between indoor and outdoor)10 m

Outline and Dimensions

Indoor Unit

(unit: mm)

Width: 790 mm, Height: 275 mm, Depth: 215 mm

Outdoor Unit

(unit: mm)

Width: 830 mm, Height: 650 mm, Depth: 350 mm

Bottom view shows air flow direction. Dimensions: 603 mm width, 343 mm depth.

Refrigerant System Diagram

The diagram illustrates the refrigerant flow for the A Unit and B Unit. Key components include:

Arrows indicate the direction of flow for HEAT (solid black arrow) and COOL (dotted black arrow).

Circuit Diagram

Indoor Unit

The indoor unit circuit diagram shows connections for:

Outdoor Unit

The outdoor unit circuit diagram includes connections for:

PCB Circuit Diagram

Indoor Unit

The indoor unit PCB circuit diagram details the connections for the Control Unit, Fan Motor, Indicator PCB Assembly, and Remote Control Unit. Specific model numbers for the Control Unit are listed, along with their corresponding Controller PCB Assembly part numbers.

Outdoor Unit

The outdoor unit PCB circuit diagram shows the complex interconnections of the Inverter Assembly and Controller PCB Assembly. It includes various components like thermistors, valves, fan motors, and power supply circuits.

Error Contents

Indoor Unit Error Codes

Error codes are indicated by flashes of the Operation Timer (Red) and Air Clean/Quiet (Green) LEDs. Examples include:

Outdoor Unit Error Codes

Outdoor unit errors are indicated by LED flashes:

Parts (Indoor Unit)

The indoor unit parts are categorized into Front Panel Assy and Casing Assy.

Front Panel Assy

Ref.DescriptionPart number
1Front Panel Assy9313130169
2Intake Grille Assy9313131128
3Air Filter9309997011
4Front Panel9309999053
5Clamper (Grille)9306755010
6Air Clean Filter Assy9312152018
7Electric Filter Holder9306602017
8Remote Control Unit9315027030
9Remote Control Holder9305642045

Casing Assy

Ref.DescriptionPart number
11Casing Assy9311354116
12Casing Cover B9314160011
13Casing Cover F9309987005
14Louver Holder9309993013
15Drain Hose Assy9314147029
16Drain Cap Assy9316177017
17Louver U Assy9312368020
18Louver Z Assy9312369027

Other Indoor Unit Parts

Ref.DescriptionPart number
21Gear A9309994003
22Crossflow Fan Assy9307836015
23Clamp (Motor)9310102008
24Shaft Holder C Assy9306628017
25Wire Clamper9313944018
26Holder (Room Thermistor)9311948018
27Cover (Switch)9313943011
28Evaporator Total Assy9313099039
29Joint Pipe Assy (07, 09, 12)9313104016
29Joint Pipe Assy (14LACM)9313104030
29Joint Pipe Assy (18LACM)9313792015
30Insulation (Pipe) E9304607007
31Holder (Evaporator) L9309982017
32Holder (Evaporator) R9309983014
33Water Seal9312912018
34Terminal9701955114
35Step Motor9900139025
36Fan Motor Assy9602109012
37Controller PCB Assy (07LACM)9707404067
37Controller PCB Assy (09LACM)9707404074
37Controller PCB Assy (12LACM)9707404081
37Controller PCB Assy (14LACM)9707404043
37Controller PCB Assy (18LACM)9707404050
—Pipe Thermistor9702039042
—Room Thermistor9700801108
—Indicator PCB Assy9705039032
—Evaporator B (18LACM only)9311275022

Parts (Outdoor Unit)

General Assembly

Ref.DescriptionPart number
1Top Panel9371925011
2Protective Net9371934013
3Front Panel9371924014
4Fan Guard9371187013
5Emblem9351355005
6Side Panel L9371926018
7Side Panel R Sub Assy9372306048
8Connector Cover9366398004
9Valve Cover9372796016
10Propeller Fan Assy9366378013

Component Assembly

Ref.DescriptionPart number
11Control Cover9372792018
12Controller PCB Assy (18LMAK2)9707560039
12Controller PCB Assy (24LMAM2)9707560015
13Motor Induct9601671046
14Motor Bracket Top9371931012
15Motor Bracket9371929019
16Motor Bracket Center9371930015
17Motor Bracket Bottom9371932019
18Base Assy9371920078
19Condenser Assy9372181096
20Separate Wall9372795019
21Valve Plate9371928036
222-Way Valve9372204054
233-Way Valve9372205044
243-Way Valve9372205051
—Heat Exchanger Thermistor9704220059
—Thermistor Outdoor9703516047
—Thermistor Heat Sink9900195014
—Relay9900117016
—ACTPM9703457012
—Capacitor for PCB9705387010
—Fan Capacitor9900270049
—Fuse0600086039
—Terminal 8P9900203047
—Fuse Holder0501454012
—Terminal 2P9701971015

Compressor Area Parts

Ref.DescriptionPart number
31Compressor Assy9373262015
32Terminal Cover (Comp)9373264019
33Receiver Tank Assy9373426011
34Strainer Assy9366602019
35Accumulator9368391003
36Solenoid9900165079
374-Way Valve9900163013
38Pressure Switch Assy9373729044
39Capillary Assy9373729211
40Accum Support Assy9372252017
—Thermal Switch9377956019
—Gasket (Comp)9373266013
—Compressor Pressure Switch9900186012
—Compressor Thermal Switch9373263012
—Thermistor Valve9900194017
—Thermistor Discharge9704219039
—Special Nut M8 (Comp)9355091008
—Thermister Holder Pipe313714262805

Compressor Covers and Pipes

Ref.DescriptionPart number
41Compressor Cover A9373730019
42Compressor Cover B9373730026
43Joint Pipe (3Way) Assy9373729129
44Expansion Valve Assy9373729068
45Expansion Valve Coil (White connector)9900197018
46Expansion Valve Coil (Red connector)9900057022

Accessories

Indoor Unit Accessories

Name and ShapeQtyUsePart number
Wall hook bracket1To install indoor unit9310001004
Remote control1To operate air conditioner9315027030
Battery (penlight)2For remote control unit0600185527
Cloth tape1For indoor unit installation9310519004
Remote control holder1To hold remote control9305642045
Tapping screw (big) (Φ 4 x 25)8For wall hook bracket installation0700076046
Tapping screw (small) (Φ 3 x 12)2For remote control unit holder installation0700019036

Outdoor Unit Accessories

Name and ShapeQtyUsePart number
Drain pipe1For outdoor unit drain piping work9303029015
Drain cap1313166024302
Adapter assy (12.7 mm x 9.52 mm (1/2 in.) x (3/8 in.))1For use when connecting models 9-12 to outdoor port A9370244007
Models: ASYA07LACM, ASYA09LACM, ASYA12LACM, ASYA14LACM, ASYA18LACM, AOY18LMAK2, AOY24LMAM2, ASYA07LACM Inverter Multi Air Conditioner Wall Mounted Type, ASYA07LACM, Inverter Multi Air Conditioner Wall Mounted Type, Air Conditioner Wall Mounted Type, Conditioner Wall Mounted Type, Wall Mounted Type, Mounted Type, Type

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