Air-Con A16EW4H4R09 Service Manual
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Air-Con A16EW4H4R09 Service Manual

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Service Manual

A16EW4H4R09
A16EW4H4R12
A16EW4H4R18

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Summary of Contents for Air-Con A16EW4H4R09

  • Page 1: Service Manual

    Service Manual A16EW4H4R09 A16EW4H4R12 A16EW4H4R18...
  • Page 3 A16EW4H4R09 A16EW4H4R12 A16EW4H4R18 ON OFF MODE CLOCK TIMER ON X-FAN TEMP TIMER OFF TURBO SLEEP LIGHT...
  • Page 5 A16EW4H4R09 A16EW4H4R12 A16EW4H4R18...
  • Page 6 Middle High Super High Indoor Fan Motor Rotating Speed...
  • Page 8 outdoor indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch Note: Not available for 14K/18K model discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter Note: Not available for 14K/18K model A1:A－unit electronic expansion valve B1:B-unit electronic expansion valve...
  • Page 9 TUBE ROOM MOTOR TEMP. SENSOR TEMP. SENSOR TERMINAL TERMINAL TUBE BLOCK ROOM BLOCK N(1) N(1) COM-OUT JUMP AC-L DISP2 SWING-UD DISP1 HEALTH-L HEALTH-N YEGN(GN) YEGN(GN) RECEIVER AND COOL PLASMA SWING EVAPORATOR ELECTRIC BOX GENERATOR DISPLAY BOARD MOTOR NOTE:The parts with broken line is applicable to the models with COOL PLASMA GENERATOR TUBE ROOM...
  • Page 10 A16EW4H4R09,A16EW4H4R12...
  • Page 11 A16EW4H4R18...

  • Page 12: Mode Icon

    ON/OFF Press it to start or stop operation. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). Press it to increase temperature setting. Press it to decrease temperature setting. Press it to set fan speed. Press it to set swing angle. TIMER ON Press it to set auto-on timer.

  • Page 13: Fan Speed Display

    LIGHT icon: is displayed by pressing the LIGHT button.Press LIGHT button again to clear the display. LOCK icon: is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time. TURBO icon: is displayed when pressing theTURBO button.Press this button again to clear the display.

  • Page 14: Replacement Of Batteries

    TIMER ON: Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again. After pressing this button, disappears and "ON" blinks . 0 0:00 is displayed for ON time setting. Within 5 seconds, press + or - button to adjust the time value.
  • Page 15 indoor temperature---target temperature target temperature---indoor temperature Cooling Heating Cooling operation operation operation With compressor capacity supplied With no compressor capacity supplied...
  • Page 16 Tset+3℃ Tset+2℃ Tset+1℃ Tset Tset Tset-1℃ Tset-2℃ Tset-3℃...
  • Page 19 Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall 300cm Above Above Air outlet side Space to the floor...
  • Page 20 Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall 1 5 0mm 1 5 0mm above above Right Left Φ55mm Φ55mm (Rear piping hole) (Rear piping hole) Fig.1 Indoor Outdoor Wall pipe Seal pad outlet pipe of indoor unit...
  • Page 21 External connection Gas side pipe electric wire Liquid side piping Gas side piping Tailing 2 Liquid side insulation Tailing 1 Piping insulation Finally wrap it Fig.3 Water drainage pipe with tape Left Left rear Right Fig.4 Right rear Fixing hook Mounting plate Mounting...
  • Page 22 Fig. a Fig. b Air filter Healthy filter Fig. c...
  • Page 23 A16EW4H4R09,A16EW4H4R12...
  • Page 24 A16EW4H4R09 A16EW4H4R12...
  • Page 25 A16EW4H4R18...
  • Page 26 A16EW4H4R18...
  • Page 29 Star Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tripover of the pa rts? Make the parts upright Malfunction is eliminated.
  • Page 30 C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper Is the malfunction eliminated?
  • Page 31 “H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE - ENERGIZED . Reinstall the motor Does the and the blade to blade rotate make it rotate unsmoothly? smoothly. Is the malfunction eliminated? Is the feedback Insert the feedback...
  • Page 32 “U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Conclusion: U8 is displayed due to Is“U8” still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
  • Page 33 Main checking points: If the connection wire between the indoor unit and outdoor unit is connected well, if the wires inside the unit is connected well; If the indoor mainboard or outdoor main board is broken; Flow chart: Communication malfunction of some indoor units De-energize, check the connection wire of indoor and outdoor unit and...
  • Page 34 All the indoor units appear communication malfunction De-energize, check the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Reconnect according to Eliminate the malfunction Connected correctly? the wiring diagram De-energize, check if the connection wire between the outdoor mainboard and the filter board according to the wiring diagram Reconnect according to...

  • Page 35: Appendix 1: Resistance Table Of Ambient Temperature Sensor For Indoor And Outdoor Units(15K)

    Appendix 1: Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333...

  • Page 36: Appendix 2: Resistance Table Of Outdoor And Indoor Tube Temperature Sensors(20K)

    Appendix 2: Resistance Table of Outdoor and Indoor Tube Temperature Sensors(20K) Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...

  • Page 37: Appendix 3: Resistance Table Of Outdoor Discharge Temperature Sensor(50K)

    Appendix 3: Resistance Table of Outdoor Discharge Temperature Sensor(50K) Resistance Temp. Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ kΩ 853.5 18.34 4.754 799.8 93.42 17.65 4.609 89.07 16.99 4.469 703.8 84.95 16.36 4.334 660.8 81.05 15.75 4.204 620.8 77.35 15.17 4.079...
  • Page 38 Steps Procedure 1.Remove the filter Open the panel. panel Loosen the clasp of the filter. clasp Push the filter inward and then raise it to remove it. filter 2.Remove horizontal louver Remove axile bush of horizontal louver. axile bush...
  • Page 39 Steps Procedure Bend the horizontal louver slightly to remove it. horizon- tal louver 3.Remove front panel Slide the rotor shaft out of the groove. Remove the front panel. rotor shaft front panel 4.Remove electric box cover 2 Remove the screws fixing the elec- tric box cover 2.
  • Page 40 Steps Procedure electric box cover Remove the electric box cover2. 5.Remove front case Open the screw cap on the front case. Remove the screws fixing the front case. screws clasps Loosen the left, middle and right clasps. left middle front right case Remove the front case.
  • Page 41 Steps Procedure 6.Remove vertical louver Loosen the clasps connecting vertical louver with bottom case. clasps Remove the vertical louver. vertical louver 7.Remove electric box Heat exchanger thermistor Disconnect the indoor pipe tempera- ture sensor. screw Remove the screw of the electric box. screws Ground Wire Remove the screws at the joint of...
  • Page 42 Steps Procedure Remove the clasp connecting elec- tric box cover and electric box. Re- move electric box cover. clasp fan motor signal wire Disconnect the connecting wire of the motor. Disconnect the connecting wire of the step motor. connector of step motor Remove the screw fixing the display.
  • Page 43 Steps Procedure 8.Remove press plate of connecting pipe Pipe Clamp Auxiliary Piping screw Remove the screw fixing the press plate of the connecting pipe. Pipe Clamp Remove the press plate of the con- necting pipe. 9.Remove the evaporator Remove the 3 screws at the joint of the evaporator and bottom case.
  • Page 44 Steps Procedure Heat Remove the evaporator. Exchanger 10.Remove cross flow blade and motor Step Motor Remove the screws fixing the step motor. Remove the step motor. Motor Press Plate Remove the screws fixing the press plate of the motor. Remove the motor. Cross Flow Fan Fan Motor Remove cross flow blade and motor.
  • Page 45 Steps Procedure O-Gasket sub-assy of Remove ring of bearing. Bearing Ring of Bearing Remove the screws at the joint of cross flow blade and motor. Remove Cross Flow Fan the motor. Fan Motor...

This manual is also suitable for:

A16ew4h4r12A16ew4h4r18

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