Airwell XV26RCA Technical & Service Manual
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Airwell XV26RCA Technical & Service Manual

Airwell XV26RCA Technical & Service Manual

Dc inverter split system air conditioner
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TECHNICAL & SERVICE MANUAL
XV26RCA + GCXV26RCA
XV30RCA + GCXV30RCA
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
XV26RCA
XV30RCA
Indoor Unit
XV26RCA
XV30RCA
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
Product Code No.
1 852 340 28
1 852 340 29
FILE NO.
Outdoor Model No.
Product Code No.
GCXV26RCA
1 852 340 30
GCXV30RCA
1 852 340 31
Outdoor Unit
GCXV26RCA
GCXV30RCA
REFERENCE NO.
Destination: Australia
SM
700705

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Summary of Contents for Airwell XV26RCA

  • Page 1 TECHNICAL & SERVICE MANUAL FILE NO. XV26RCA + GCXV26RCA XV30RCA + GCXV30RCA Destination: Australia DC INVERTER SPLIT SYSTEM AIR CONDITIONER Indoor Model No. Product Code No. Outdoor Model No. Product Code No. XV26RCA 1 852 340 28 GCXV26RCA 1 852 340 30...
  • Page 2 When Transporting Important! Please Read Before Starting Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or This air conditioning system meets strict safety and thin aluminum fins on the air conditioner can cut your operating standards.

  • Page 3: Table Of Contents

    Table of Contents Page 1. OPERATING RANGE ........................2. SPECIFICATIONS 2-1. Unit Specifications ......................2-2. Major Component Specifications ..................2-3. Other Component Specifications ..................3. DIMENSIONAL DATA ........................4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram ....................5. PERFORMANCE DATA 5-1.
  • Page 4 Page 10. TROUBLESHOOTING 10-1. Precautions before Performing Inspection or Repair ............10-2. Method of Self-Diagnostics ....................10-3. Checking the Indoor and Outdoor Units ................10-4. Trouble Diagnosis of Fan Motor ................... 10-5. Noise Malfunction and Electromagnetic Interference ............11. CHECKING ELECTRICAL COMPONENTS 11-1.

  • Page 5: Operating Range

    1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. 32 °C D.B. / 23 °C W.B. 43 °C D.B. Maximum Cooling 19 °C D.B. / 14 °C W.B. -15 °C D.B. Minimum 27 °C D.B. 24 °C D.B. / 18 °C W.B. Maximum Heating _ D.B.

  • Page 6: Specifications

    2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit XV26RCA Outdoor Unit GCXV26RCA Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230V Performance Cooling Heating Capacity ( 1.2 to 8.0 ) ( 1.3 to 9.5 ) BTU/h 24,200 ( 4,100 to 27,300 )
  • Page 7 Indoor Unit XV30RCA Outdoor Unit GCXV30RCA Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230V Performance Cooling Heating Capacity ( 1.2 to 8.0 ) ( 1.3 to 9.5 ) BTU/h 27,300 ( 4,100 to 27,300 ) 30,700 ( 4,400 to 32,400 ) Air Circulation (High) 1,080 1,180...

  • Page 8: Major Component Specifications

    2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit XV26RCA Control PCB Part No. CB-KRV254GJH Controls Microprocessor Control Circuit Fuse 250V 3.15A Remote Control Unit RCS-4HVPIS4EE Type Cross-Flow Q'ty ... Dia. and Length 1 ... D94 / L845 Fan Motor...
  • Page 9 Indoor Unit XV30RCA Control PCB Part No. CB-KRV274GJH Controls Microprocessor Control Circuit Fuse 250V 3.15A Remote Control Unit RCS-4HVPIS4EE Type Cross-Flow Q'ty ... Dia. and Length 1 ... D94 / L845 Fan Motor Type DC Motor Model ... Q'ty SIC-39CVL-D847-2 ... 1 No.
  • Page 10 2-2-2. Outdoor Unit Outdoor Unit GCXV26RCA Control PCB Part No. CB-CRV254GJH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output G8T265FU1JW / 2,410 Compressor Oil ... Amount FV50S ... 700 U - V : 0.36 Coil Resistance (Ambient Temp.
  • Page 11 Outdoor Unit GCXV30RCA Control PCB Part No. CB-CRV274GJH Controls Microprocessor Control Circuit Fuse 250V 25A Compressor Type DC Twin Rotary (Hermetic) Compressor Model / Nominal Output G8T265FU1JW / 2,410 Compressor Oil ... Amount FV50S ... 700 U - V : 0.36 Coil Resistance (Ambient Temp.

  • Page 12: Other Component Specifications

    2-3. Other Component Specifications Indoor Unit XV26RCA Outdoor Unit GCXV26RCA XV30RCA GCXV30RCA • Indoor heat exchanger sensor (Model:PTM-D51H-S3-2 TH1) • Indoor air temp sensor • Compressor temp sensor (Model:PTM-D51H-S3-2 TH2) (Model:TKS293B) 10 20 30 40 50 60 70 80 90 Temperature (°C)

  • Page 13: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit XV26RCA XV30RCA Unit: mm...
  • Page 14 Outdoor Unit GCXV26RCA GCXV30RCA Narrow tube service valve dia.6.35 ( 1/4" ) Wide tube service valve dia.15.88(5/8") Unit: mm...

  • Page 15: Refrigerant Flow Diagram

    4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Indoor Unit XV26RCA Outdoor Unit GCXV26RCA XV30RCA GCXV30RCA Indoor unit Outdoor unit Accumulator Wide tube service Wide tube valve 4-way Muffler valve O.D. 15.88 mm (5/8") Capillary tube for Electric split flow...

  • Page 16: Performance Data

    5. PERFORMANCE DATA 5-1. Temperature Charts Indoor Unit XV26RCA Outdoor Unit GCXV26RCA Cooling Characteristics Heating Characteristics (11.2) Outdoor fan speed (34.7) High (10.2) (29.6) (9.2) (24.5) (8.2) (19.4) –5 Outdoor air temperature (°C) Outdoor air temperature (°C) Outdoor fan speed High –5...
  • Page 17 Indoor Unit XV30RCA Outdoor Unit GCXV30RCA Cooling Characteristics Heating Characteristics (11.2) Outdoor fan speed (34.7) High (10.2) (29.6) (9.2) (24.5) (8.2) (19.4) –5 Outdoor air temperature (°C) Outdoor air temperature (°C) Outdoor fan speed High –5 Outdoor air temperature (°C) Outdoor air temperature (°C) Outdoor fan speed High...

  • Page 18: Air Throw Distance Charts

    5-2. Air Throw Distance Charts Indoor Unit XV26RCA Cooling 27 °C Room air temp. : Fan speed High Horizontal distance (m) : Flap angle 0°, : Axis air velocity 0° : Flap angle 30°, : Axis air velocity 30° Heating 20 °C...
  • Page 19 Indoor Unit XV30RCA Cooling 27 °C Room air temp. : Fan speed High Horizontal distance (m) : Flap angle 0°, : Axis air velocity 0° : Flap angle 30°, : Axis air velocity 30° Heating 20 °C Room air temp. : Fan speed High Horizontal distance (m)

  • Page 20: Electrical Data

    6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit XV26RCA Outdoor Unit GCXV26RCA Cooling Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor + Compressor Performance at 230V Single-phase 50Hz Rating conditions Running amp. 0.51 10.19 10.7 Power input 2,300 2,355 °C...

  • Page 21: Electric Wiring Diagrams

    6-2. Electric Wiring Diagrams Indoor Unit XV26RCA XV30RCA To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. EVAPORATOR TERMINAL BASE AC1 AC2 SI CONNECTOR FLAP FLAP 5P(WHT) LAMP 10P( WHT )
  • Page 22 Outdoor Unit GCXV26RCA GCXV30RCA To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing and/or cleaning any electrical parts. REACTANCE CONNECTOR<WHT> (2P) CONNECTOR < RED > (2P) CONNECTOR < BLK > TERMINAL BASE HIC + HIC + BD - BD - HIC - HIC -...

  • Page 23: Installation Instructions

    7. INSTALLATION INSTRUCTIONS 7-1. Installation Site Selection 7-1-1. Indoor Unit To prevent abnormal heat WARNING generation and the possibility of fire, do not place obstacles, 15 cm min. 5 cm enclosures and grilles in front 5 cm min. min. of or surrounding the air conditioner in a way that may block air flow.
  • Page 24 7-1-2. Outdoor Unit AVOID: Exhaust fan heat sources, exhaust fans, etc. (Fig. 4) Hot air Heat source damp, humid or uneven locations. Outdoor unit choose a place as cool as possible. choose a place that is well ventilated. allow enough room around the unit for air intake/ exhaust and possible maintenance.

  • Page 25: Recommended Wire Length And Diameter

    7-2. Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation. Table 2 lists recommended wire lengths and diameters for power supply systems. NOTE Refer to the wiring system diagram (Fig.

  • Page 26: Remote Control Unit Installation Position

    7-3. Remote Control Unit Installation Position The remote control unit can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote control unit in the following places: In direct sunlight Behind a curtain or other place where it is covered More than 8 m away from the air conditioner...

  • Page 27: How To Test Run The Air Conditioner

    7-4. How to Test Run the Air Conditioner After turning on power to the air conditioner, use the remote controller and follow the steps below to conduct the test run. (1) Set the remote controller in Test Run mode. (Fig. 8a) a) Press and hold the ION button.

  • Page 28: Remove The Grille To Install The Indoor Unit

    Grille Air intake grille 7-5. Remove the Grille to Install the Indoor Unit Basically, these models can be installed and wired without removing the grille. If access to any internal part is needed, follow the steps as given below. Fig. 9a How to remove the grille (1) Grasp both ends of the air intake grille, and remove it by opening towards the front and pulling towards...

  • Page 29: Maintenance

    8. MAINTENANCE 8-1. Address Setting of the Remote Control Unit The address can be set in order to prevent interference between remote controllers when two indoor units are installed near each other. The address is normally set to "A." To set a different address, it is necessary to change the address on the Fig.

  • Page 30: Disconnecting And Connecting Positive Connector For Outdoor Unit

    8-2. Disconnecting and Connecting Positive Connector for Outdoor Unit One of the two types of connectors illustrated at left is used. Their basic structure is the same for each. How to Disconnect Hold the resin connector cover, and pull the connector off. You cannot disconnect the connector by pulling the wire since it is locked inside.

  • Page 31: Functions

    9. FUNCTIONS 9-1. Operation Functions Emergency operation SENSOR DRY Emergency operation is available when the remote During DRY operation, the system adjusts the room temperature and fan speed according to the conditions in the controller malfunctions, has been lost, or otherwise room, in order to maintain a comfortable room environment.

  • Page 32: Night Setback

    HIGH POWER NIGHT SETBACK This function acts to raise the power but keeps the AC system in • When NIGHT SETBACK operation is set, the temperature and the same operating mode. fan speed settings will be adjusted automatically to allow This function is set with the HIGH POWER button on the remote comfortable sleep.

  • Page 33: Protective Functions

    9-2. Protective Functions Overload prevention during heating Cold-air prevention during heating During HEAT operation, the temperature of the indoor heat During heating, the fan speed is set to "LL" (very low) or stopped. exchanger is used to control the frequency and lessen the load As the temperature of the indoor heat exchanger rises, the fan on the compressor before the protective device is activated.
  • Page 34 Defrost detection and release CT (Peak current cut-off control) • This function prevents the circuit breaker or fuse from operating Reverse-Cycle Defrosting to open the circuit. This function works when electrical current has increased due to an increase in the cooling / heating load, or to a decrease in the power supply voltage.

  • Page 35: Troubleshooting

    10. TROUBLESHOOTING 10-1. Precautions before Performing Inspection or Repair After checking the self-diagnostics monitor, turn the power OFF before starting inspection or repair. High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). They retain an electrical charge (charging voltage DC 310V) even after the power is turned OFF, and some time is required for the charge to dissipate. Be careful not to touch any electrified parts before the controller LED (red) turns OFF.

  • Page 36: Indoor Unit

    (1) Self-diagnostics Lamps INDOOR UNIT (1) OPERATION lamp (2) TIMER lamp (3) QUIET lamp ION lamp OPERATION button REMOTE CONTROL receiver • Since the indications cover various units, the corresponding parts listed below may not be present in some models..

  • Page 37: Checking The Indoor And Outdoor Units

    (2) If the self-diagnostics function fails to operate • No indicators illuminate and the Check the indoor unit. indoor fan does not rotate. • Check the power voltage. Blown Is the fuse blown? Normal Replace the circuit board or the fuse. Replace the controller.

  • Page 38: Trouble Diagnosis Of Fan Motor

    10-4. Trouble Diagnosis of Fan Motor 10-4-1. Indoor Fan Motor This indoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil resistance, and the following procedure should be used to check the motor. To perform diagnosis, operate the unit in cooling mode with indoor fan speed "High".

  • Page 39: Outdoor Fan Motor

    10-4-2. Outdoor Fan Motor This outdoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil resistance, and the following procedure should be used to check the motor. Perform the trouble diagnosis by Test Run mode described on Installation Instructions. Important: (A) Turn OFF the power before connecting or disconnecting the motor connectors.

  • Page 40: Noise Malfunction And Electromagnetic Interference

    10-5. Noise Malfunction and Electromagnetic Interference An inverter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptible to the effects of external noise, and is likely to cause electromagnetic interference with nearby wireless devices. A noise filter is installed for ordinary use, preventing these problems. However, depending on the installation conditions, these effects may still occur.

  • Page 41: Checking Electrical Components

    11. CHECKING ELECTRICAL COMPONENTS 11-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 1M ohm. Probe 11-1-1. Power Supply Cord Insulation Clamp the grounding wire of power cord with the lead tester clip of the insulation resistance tester and measure the Fig.

  • Page 42: Checking Continuity Of Fuse On Pcb Ass'y

    11-2. Checking Continuity of Fuse Fuse on PCB Ass'y Remove the PCB Ass'y from the electrical component box. Then pull out the fuse from the PCB Ass'y. (Fig. 5) Check for continuity using a multimeter as shown in PCB Ass'y Fig.

  • Page 43: Refrigerant R410A: Special Precautions When Servicing Unit

    12. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 12-1. Characteristics of New Refrigerant R410A 12-1-1. What is New Refrigerant R410A? R410A is a new refrigerant that contains two types of pseudo-non-azeotropic refrigerant mixture. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant, R22. 12-1-2.
  • Page 44 Tubing precautions Refrigerant R410A is more easily affected by dust or moisture compared with R22, thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation. Never use 0.7mm-thick copper tubing or tubing which is less than 0.8mm in thickness, since air conditioners with R410A are subject to higher pressure than those using R22 and R407C.

  • Page 45: Tools Specifically For R410A

    12-3. Tools Specifically for R410A For servicing, use the following tools for R410A Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Vacuum pump with anti-reverse flow (*1) Tools specifically for R410A (Solenoid valve-installed type, which prevents oil from flowing back into the unit when the power is off, is recommended.) Vacuum pump (*2)...can be used if the following adapter is attached.

  • Page 46: In Case Of Compressor Malfunction

    12-5. In Case of Compressor Malfunction Should the compressor malfunction, be sure to make the switch to a replacement CAUTION compressor as quickly as possible. Use only the tools indicated exclusively for R410A. See "12-3. Tools Specifically for R410A." 12-5-1. Procedure for Replacing Compressor (1) Recovering refrigerant Any remaining refrigerant inside the unit should not be released to the atmosphere, but recovered using the...
  • Page 47 (5) Recharging Configuration and characteristics of cylinders Be sure to charge the specified amount of Valve refrigerant in liquid state using the service port of the wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.

  • Page 48: In Case Refrigerant Is Leaking

    12-6. In Case Refrigerant is Leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant. (1) Detecting Leaks Use the detector for R410A to locate refrigerant leak points.

  • Page 49: Charging Additional Refrigerant

    12-7. Charging Additional Refrigerant 12-7-1. When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state only. Never charge additional refrigerant if refrigerant is leaking from the unit. Follow CAUTION instructions given in "12-6.

  • Page 50: Appendix

    APPENDIX INSTRUCTION MANUAL XV26RCA + GCXV26RCA XV30RCA + GCXV30RCA (OI-852-6-4180-913-00-0)
  • Page 51 Features This air conditioner is an inverter type unit that automatically adjusts capacity as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner. • Microprocessor Controlled Operation • Automatic Switching between Cooling and The interior compartment of the remote control Heating unit contains several features to facilitate...
  • Page 52 Contents Page Features ......................2 Product Information................... 3 Alert Symbols....................3 Installation Location ..................4 Electrical Requirements ..................4 Safety Instructions..................... 4 Names of Parts ....................5 Using the Remote Control Unit ............... 10 Operation with the Remote Control Unit ............12 1.

  • Page 53: Installation Location

    Installation Location • We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. • Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate.

  • Page 54: Names Of Parts

    Names of Parts Air intakes INDOOR UNIT Air outlet Remote control unit Drain hose Refrigerant tubes OUTDOOR UNIT Air outlet This illustration is based on the external view of a standard model. NOTE Consequently, the shape may differ from that of the air conditioner which you have selected.
  • Page 55 Unit Display and Operation Button INDOOR UNIT IMPORTANT OPERATION lamp TIMER lamp Avoid using radio equipment QUIET lamp such as mobile phone near ION lamp (within 1 m.) the remote control receiver. Some radio OPERATION button equipment may cause malfunction of the unit. If the trouble happens, disconnect power and restart REMOTE CONTROL receiver...
  • Page 56 Remote Control Unit (Display) Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Displayed when the time display is set to 12-hour time. Symbols (1) Operation mode (4) Timer 24-hour clock with ON/OFF...

  • Page 57: Remote Control Unit

    Remote Control Unit Sensor Transmitter (Cover closed) Display ON/OFF operation button ION button 1 HR. TIMER button Temperature setting buttons (TEMP.) MODE selector button QUIET button FAN SPEED selector button NIGHT SETBACK button FLAP button HIGH POWER button ON TIME Advance button OFF TIME Advance button...
  • Page 58 Remote Control Unit (continued) Temperature setting buttons Press the button to increase the set temperature. (TEMP.) Press the button to reduce the set temperature. The temperature setting changes by 1°C or 2°F each time one of the TEMP. buttons is pressed. QUIET button : When you press this button, the fan rotates slower than the fan speed setting to provide a quieter operating sound.

  • Page 59: Using The Remote Control Unit

    Remote Control Unit (continued) “I FEEL” SENSOR button When you press this button (use a small-tipped object such as a ballpoint pen), the mark will appear at the display. And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly.
  • Page 60 Using the Remote Control Unit (continued) How to Use the Remote When using the remote control unit, always point the unit’s transmitter head Control Unit directly at the air conditioner’s receiver. Air conditioner (Indoor unit) Receiver Remote control (Transmitter head) unit Remote Control Unit The remote control unit may be operated either from a non-fixed position or...

  • Page 61: Operation With The Remote Control Unit

    Operation with the Remote Control Unit 1. Automatic Operation This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting. STEP 2 STEP 1 Check that the circuit breaker on the power panel is turned on. NOTE Once mode is selected and the unit is preset by following the steps below,...

  • Page 62: Manual Operation

    Operation with the Remote Control Unit (continued) 2. Manual Operation STEP 2 STEP 3 STEP 1 STEP 4 STEP 5 NOTE Check that the circuit breaker on the power panel is turned on. If the automatic operation settings of the unit do not meet your needs, press the setting buttons as described below and change the settings as desired.

  • Page 63: Adjusting The Fan Speed

    Operation with the Remote Control Unit (continued) • Choose the best position in the room for the remote control unit, which NOTE also acts as the sensor for room comfort and transmits the operating instructions. Once you’ve found this best position, always keep the remote control unit there.

  • Page 64: Night Setback Mode

    Operation with the Remote Control Unit (continued) 5. Night Setback Mode Night Setback Mode is used for saving energy. Press the NIGHT SETBACK button while operation. mark appears in the display. To release the night setback function, press the NIGHT SETBACK button again.

  • Page 65: Quiet Mode

    Operation with the Remote Control Unit (continued) 6. QUIET Mode QUIET Mode is used to reduce the fan sound of the indoor unit. Press the QUIET button. mark appears in the display. To cancel, press QUIET button again. • In QUIET Mode, the fan rotates at a slower speed than the fan speed setting.

  • Page 66: Special Remarks

    Special Remarks ‘‘DRY’’ ( ) Operation How it works? • Once the room temperature reaches the level that was set, the unit’s operation frequency is changed automatically. • During DRY operation, the fan speed automatically runs at lower speed for providing a comfortable breeze.

  • Page 67: Setting The Timer

    Setting the Timer NOTE In the descriptions below, the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote control. • Temperature: °C • Time: AM, PM 1. How to set the present (Example) To set to 10:30 pm.
  • Page 68 Setting the Timer (continued) 3. How to set the ON time (Example) To start operation at 7:10 am. Operation Indication 1. Press the ON TIME setting The timer indication is button once. displayed, and the present ON time is shown. 2.

  • Page 69: Using The 1-Hour Off Timer

    Using the 1-Hour OFF Timer 1. 1-Hour OFF Timer This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed. indicator in the display indicates that this function is operating. Setting procedure: Regardless of whether the unit is operating or stopped, press the 1 HR.

  • Page 70: Adjusting The Airflow Direction

    Adjusting the Airflow Direction 1. Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right. When the humidity is high, the vertical vanes should be in the front CAUTION position during the cooling or dehumidifying operation. If the vertical vanes are positioned all of the way to the right or left, condensation may begin to form around the air vent and drip down.

  • Page 71: Operation Without The Remote Control Unit

    Operation without the Remote Control Unit INDOOR UNIT If you have lost the remote control unit or it has trouble, follow the steps below. When the air conditioner is not running Each time the OPERATION button is pressed, the type of operation conducted is indicated by the changing color of the OPERATION lamp.
  • Page 72 Care and Cleaning (continued) Anti-Mold Filter The anti-mold filter behind the air intake grille should be checked and cleaned at least once every two weeks. How to remove the anti-mold 1. Grasp both ends of the air Air intake grille filter intake grille, and remove it by opening towards the...
  • Page 73 Care and Cleaning (continued) Air Clean Filter The air clean filter removes dust and dirt from the air, and reduces odors and smoke from tobacco. This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room. You must open doors or windows frequently when you use gas or oil heating appliances.

  • Page 74: Troubleshooting

    Troubleshooting If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center. Trouble Possible Cause Remedy Air conditioner does not run at all. 1.
  • Page 75 July / 2006 (T)

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