Fujitsu ASYG14LECA Room Air Conditioner Service Manual
SPLIT TYPE, ROOM AIR CONDITIONER, WALL MOUNTED TYPE
Indoor Unit: ASYG14LECA
Outdoor Unit: AOYG14LEC
CONTENTS
SPECIFICATIONS
DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
INDOOR PCB CIRCUIT DIAGRAM
OUTDOOR PCB CIRCUIT DIAGRAM
ERROR DETECTION
PARTS (INDOOR UNIT)
PARTS (OUTDOOR UNIT)
ACCESSORIES
SPECIFICATIONS
ELECTRICAL DATA
| Cool & heat inverter | |
|---|---|
| TYPE | Cool & heat inverter |
| INDOOR UNIT | ASYG14LECA |
| OUTDOOR UNIT | AOYG14LEC |
| COOLING CAPACITY | 4.00 kW |
| HEATING CAPACITY | 5.00 kW |
| POWER SOURCE | 230 V |
| FREQUENCY | 50 Hz |
| RUNNING CURRENT | Cooling: 5.3 A Heating: 6.0 A |
| INPUT WATTS | Cooling: 1.105 kW Heating: 1.305 kW |
| E.E.R. | Cooling: 3.62 kW/kW |
| COP | Heating: 3.83 kW/kW |
| MOISTURE REMOVAL | 2.1 L/h |
| AIR CIRCULATION HIGH | Cooling: 770 m³/h Heating: 770 m³/h |
| MAXIMUM CURRENT | Cooling: 9.0 A Heating: 10.5 A |
FAN MOTOR
| High speed | Medium speed | Low speed | Quiet | |
|---|---|---|---|---|
| INDOOR UNIT Cooling | 1,400 r.p.m. | 1,230 r.p.m. | 1,000 r.p.m. | 750 r.p.m. |
| INDOOR UNIT Heating | 1,400 r.p.m. | 1,230 r.p.m. | 1,050 r.p.m. | 770 r.p.m. |
| OUTDOOR UNIT Cooling | 800 r.p.m. | |||
| OUTDOOR UNIT Heating | 750 r.p.m. |
NOISE LEVEL
| High speed | Medium speed | Low speed | Quiet | |
|---|---|---|---|---|
| INDOOR UNIT Cooling | 44 dB | 40 dB | 33 dB | 25 dB |
| INDOOR UNIT Heating | 44 dB | 40 dB | 35 dB | 27 dB |
| OUTDOOR UNIT Cooling | 49 dB | |||
| OUTDOOR UNIT Heating | 50 dB |
COMPRESSOR AND REFRIGERANT
| COMPRESSOR TYPE | Hermetic type, 4 pole, 3 phase, DC inverter motor, Rotary |
| DISCRIMINATION | DA89X1C-20FZ2 |
| WEIGHT (with oil) | 9.2 kg |
| PRECHARGED REFRIGERANT | 1,050 g |
| REFRIGERANT TYPE | R410A |
| Pipe length | 15 m |
| FULL CHARGE | 20 m: 1,050 g 20 m: 1,150 g |
| ADDITIONAL REFRIGERANT | 20 g/m |
| MAXIMUM PIPING HEIGHT | 15m |
DIMENSIONS
| INDOOR UNIT H x W x D | 280 x 790 x 203 mm |
| OUTDOOR UNIT H x W x D | 540 x 790 x 290 mm |
WEIGHT
| INDOOR UNIT Shipping / Net | 10.5 kg / 8 kg |
| OUTDOOR UNIT Shipping / Net | 38 kg / 34 kg |
DIMENSIONS
unit: mm
INDOOR UNIT
Diagram showing the dimensions of the indoor unit:
- Width: 790 mm
- Height: 280 mm
- Depth: 203 mm
- Installed state depth: 205 mm
- Vertical flap is downward: 140 mm
- Drain pipe diameter: 16.2 mm
- Liquid pipe diameter: 6.35 mm
- Gas pipe diameter: 12.7 mm
OUTDOOR UNIT
Diagram showing the dimensions of the outdoor unit:
- Width: 790 mm
- Height: 540 mm
- Depth: 290 mm
REFRIGERANT SYSTEM DIAGRAM
Diagram illustrating the refrigerant flow:
- Components include: Compressor, Muffler (x2), 3-Way valve, 4-Way valve, Heat exchanger (indoor unit), Heat exchanger (outdoor unit), 2-Way valve, Strainer (x2), Expansion valve.
- Refrigerant direction is indicated by arrows for Cooling (solid line) and Heating (dashed line).
- Refrigerant pipe diameter: Liquid: 1/4" (6.35 mm), Gas: 1/2" (12.7 mm)
CIRCUIT DIAGRAM
INDOOR UNIT CIRCUIT DIAGRAM
- INDICATOR PCB ASSY (CN201): Connections for LEDs and communication board.
- CONTROLLER PCB ASSY (MAIN PCB): Includes connections for fan motor, louver, thermistor assembly, and test points.
- FAN MOTOR (FM): Connected via CN6.
- TERMINAL: Includes thermal fuse (102°C) and earth terminal.
OUTDOOR UNIT CIRCUIT DIAGRAM
- REACTOR: Connected to power source and EMI filters.
- CONTROLLER PCB ASSEMBLY (K10BO-100EHUE-C1): Connects to compressor, 4-way valve, DC fan motor, and thermistors.
- THERMISTORS: Pipe Temp., Discharge Temp., Outdoor Temp.
- TERMINALS: Power source (AC230V, 50Hz), Earth.
- COMPRESSOR
- 4-WAY VALVE
- DC FAN MOTOR
- ELECTRIC EXPANSION VALVE
INDOOR PCB CIRCUIT DIAGRAM
Diagram of the Indoor Unit Control Unit (EZ-0101YHSE) and associated components:
- CONTROL UNIT (EZ-0101YHSE)
- CONTROLLER PCB ASSEMBLY (MAIN PCB) (K09DS-100GHSE-C1): Shows connections for power source, DC fan motor, louver, thermistors (pipe temp., room temp.), indicator PCB assembly, and communication PCB assembly.
- INDICATOR PCB ASSEMBLY (K07BJ-0900HSD-D0): Includes LEDs (D201, D202, D203) and IC201.
- COMMUNICATION PCB ASSEMBLY (K08DG-0801HSE-CA0): For optional wired remote control and communication.
- POWER SOURCE: AC230V, 50Hz.
- EARTH
- DC FAN MOTOR
- THERMISTORS
- LOUVER
- WIRED REMOTE CONTROL (OPTION)
- EXTERNAL INPUT / OUTPUT
OUTDOOR PCB CIRCUIT DIAGRAM
Diagram of the Outdoor Unit Inverter Assembly (EZ-0100MHUE):
- INVERTER ASSEMBLY (EZ-0100MHUE): Includes Reactor, EMI Filters, and connections to the indoor unit.
- POWER SOURCE: AC230V, 50Hz.
- TERMINALS: For power source and earth.
- CONTROLLER PCB ASSEMBLY (K10BO-100EHUE-C1): Connects to the inverter assembly, compressor, 4-way valve, DC fan motor, and thermistors.
- THERMISTORS: Pipe Temp., Discharge Temp., Outdoor Temp.
- COMPRESSOR
- 4-WAY VALVE
- DC FAN MOTOR
- ELECTRIC EXPANSION VALVE
ERROR DETECTION
INDOOR UNIT REMOTE CONTROL
Error codes are indicated by blinking patterns on the photo detector unit's lamp (wireless remote) or displayed on the remote control display (wired remote).
Error Display During Operation:
- Wired remote control display: Shows "Er" in the room temperature display.
- Blinking patterns: 0.5s ON / 0.5s OFF, 0.1s ON / 0.1s OFF.
Error Code Table:
| Indoor unit lamp (green) | Indoor unit lamp (orange) | Indoor unit lamp (green) | Wired remote control lamp (green) | Description |
|---|---|---|---|---|
| (1) | (1) | 11 | Serial communication error | |
| (1) | (2) | 12 | Wired remote control communication error | |
| (1) | (5) | 15 | Check run unfinished | |
| (2) | (2) | 22 | Indoor unit capacity error | |
| (2) | (3) | 23 | Combination error | |
| (3) | (2) | 32 | Indoor unit PCB model information error | |
| (3) | (5) | 35 | Manual auto switch error | |
| (4) | (1) | 41 | Room temp. sensor error | |
| (4) | (2) | 42 | Indoor unit Heat Ex. Middle temp. sensor error | |
| (5) | (1) | 51 | Indoor unit fan motor error | |
| (5) | (3) | 53 | Drain pump error | |
| (5) | (7) | 57 | Damper error | |
| (5) | (15) | SU | Indoor unit error | |
| (6) | (2) | 62 | Outdoor unit main PCB model information error or communication error | |
| (6) | (3) | 63 | Inverter error | |
| (6) | (4) | 64 | Active filter error, PFC circuit error | |
| (6) | (5) | 65 | Trip terminal L error | |
| (6) | (10) | 6A | Display PCB microcomputers communication error | |
| (7) | (1) | 71 | Discharge temp. sensor error | |
| (7) | (2) | 72 | Compressor temp. sensor error | |
| (7) | (3) | 73 | Outdoor unit Heat Ex. liquid temp. sensor error | |
| (7) | (4) | 74 | Outdoor temp. sensor error | |
| (7) | (5) | 75 | Suction Gas temp. sensor error | |
| (7) | (6) | 76 | 2-way valve temp. sensor error, 3-way valve temp. sensor error | |
| (7) | (7) | 77 | Heat sink temp. sensor error | |
| (8) | (2) | 82 | Sub-cool Heat Ex. gas inlet temp. sensor error | |
| (8) | (3) | 83 | Sub-cool Heat Ex. gas outlet temp. sensor error | |
| (8) | (4) | 84 | Current sensor error | |
| (8) | (6) | 86 | Discharge pressure sensor error, Suction pressure sensor error, High pressure switch error | |
| (9) | (4) | 94 | Trip detection | |
| (9) | (5) | 95 | Compressor rotor position detection error (permanent stop) | |
| (9) | (7) | 97 | Outdoor unit fan motor error | |
| (9) | (9) | 99 | 4-way valve error | |
| (10) | (1) | A1 | Discharge temp. error | |
| (10) | (3) | A3 | Compressor temp. error | |
| (10) | (4) | A4 | High pressure error | |
| (10) | (5) | A5 | Low pressure error |
OUTDOOR UNIT
| LED | ERROR |
|---|---|
| on | Discharge temperature abnormal |
| 0.5 second on / 0.5 second off | IPM overcurrent protection |
| 0.1 second on / 0.1 second off | Thermistor abnormal |
| 2.0 second on / 2.0 second off | CT abnormal |
| 0.1 second on / 2.0 second off | Compressor location abnormal |
| 5.0 second on / 5.0 second off | Fan abnormal |
PARTS (INDOOR UNIT)
Diagrams and parts lists for the indoor unit components:
- Front Panel Total Assy (9318267099)
- Front Panel (9317642057)
- Intake Grille Assy (9332458008)
- Clamper Grille (9316906006)
- Air Filter (9317644013)
- Receiver Window (9317643016)
- Panel Cover (9317646017)
- Wire Cover (9317663007)
- Wire Shield (9317664011)
- Bracket Panel (9317665001)
- Remote Control (9319208008)
- Remote Control Holder (9318912005)
- Air Clean Filter Assy (9317250009)
- Evaporator Total Assy (9317820028)
- Joint Pipe Assy (9317838016)
- Filter Guide (9317652001)
- Rear Bracket (9317651004)
- Evaporator Holder R (9317650007)
- Evaporator Holder L (9317649001)
- Holder (Room Thermistor) (9316895003)
- Thermistor Assy (9900563004)
- Casing Assy (9318264050)
- Casing (9317647014)
- Motor Cover (9316568006, 9316601000)
- Cable Guide (9316567009)
- Casing Cover B (9317653015)
- Casing Cover F (9317654005)
- R AND L Louver B (9316961012)
- Louver Gear Holder (9317669016)
- Louver Gear (9317648004)
- Gear A (9309994003)
- Motor Step (9900384128)
- Drain Hose Assy (9316904002)
- Drain Cap (9316177017)
- Fan Guard (9332277005)
- Fan Motor (9603100001)
- Crossflow Fan Assy (9316830004)
- Bearing C Assy (9306628017)
- Louver U (9317656016)
- Louver Z (9317657006)
- Control Box (9318187007)
- Box Shield (9317575010)
- Control Cover (9317659017)
- Cover Shield (9317923002)
- Controller PCB Assy (9708536187)
- Display Case (9317662000)
- Display PCB Assy (9707649024)
- Terminal (9900638009)
- Earth Terminal (9316586000)
PARTS (OUTDOOR UNIT)
Diagrams and parts lists for the outdoor unit components:
- Front Panel Assy (9317760010)
- Emblem (9319151007)
- Cabinet Left Assy (9318247008)
- Top Panel Assy (9317761055)
- Protective Net (9313941055)
- Switch Cover A Assy (9317795005)
- Switch Cover B (9317582001)
- Grip (9317588003)
- Cabinet Right Assy (9317759021)
- Valve Bracket (9331649001)
- Separator Assy (9318340013)
- Reactor Assy (9900611019)
- Motor Bracket (9332289039)
- Fan Motor (9602864003)
- Propeller Fan (9313808013)
- Base Assy (9316885028)
- Drain Assy (9303029022)
- Condenser Total Assy (9332359008)
- Compressor Assy (9317619004)
- 2 way Valve Assy (9332371000)
- 3 way Valve Assy (9332455007)
- Muffler (9316276017)
- 4 way Valve Assy (9332365009)
- Solenoid (9970110023)
- Pulse Motor Valve Assy (9332368000)
- Expansion Valve Coil (9970095030)
- Sealed Panel (9318181005)
- Controller PCB Assy (9708683126)
- PCB Holder (9318182002)
- Inverter Case Assy (9318242003)
- Terminal Bracket (9317603010)
- Terminal (9900435028)
- Outdoor Thermistor (9900565008)
- Thermistor Assy (9900628000)
ACCESSORIES
- Wall hook bracket (9317665001)
- Remote control (9319208008)
- Remote control holder (9318912005)
- Battery (penlight) (0600185541)
- Cloth tape (9310519004)
- Tapping screw (big) (Φ 4 x 25) (0700076046)
- Tapping screw (small) (Φ 3 x 12) (0700019036)
OPTION
- Air cleaning filter (UTR-FA16, UTR-FA16-2)
