CASSETTE AIR CONDITIONER OPERATION MANUAL

Transcription

1 CASSETTE AIR CONDITIONER OPERATION MANUAL AB42NACMCA AU42NAIMBA (HBU-42CD03) AB28NACMAA AU28NAHMAA (HBU-28CD03) AB42NACACA AU42NAIACA (HBU-42HD03) AB282ACBBA AU282AHBDA (HBU-28HC03/R1) AB242ACAAA AU242AHABA (HBU-24H03) AB284ACMAA AU284AHMAA (HBU-28C13) AB36NACAAA AU36NAIAAA (HBU-36H03) AB282ACACA AU282AHADA (HBU-28HD03) AB42NACNAA AU42NAINAA (HBU-42CA03/R1) AB282ACNAA AU282AHNAA (HBU-28CA03/R1) AB42NACBBA AU42NAIBBA (HBU-42HC03/R1) AB28NACBAA AU28NAHBAA (HBU-28HB03/R1) AB28NACNAA AU28NAHNAA (HBU-28CB03/R1) AB36NACMAA AU36NAIMCA (HBU-36C03) AB242ACNAA AU242AHNBA (HBU-24CA03/R1) AB242ACBAA AU242AHBBA (HBU-24HA03/R1) AB36NACBAA AU36NAIBBA (HBU-36HA03/R1) AB36NACNAA AU36NAINBA (HBU-36CA03/R1) Please read this operation manual before using the air conditioner. No I

2 CONTENTS Cautions Introduction to spare parts Remote controller operation... 9 Guide to operation Maintenance Trouble shooting... 22

3 CAUTIONS Disposal of the old air conditioner Before disposing an old air conditioner that goes out of use, please make sure it's inoperative and safe. Unplug the air conditioner in order to avoid the risk of child entrapment. It must be noticed that air conditioner system contains refrigerants, which require specialized waste disposal. The valuable materials contained in a air conditioner can be recycled. Contact your local waste disposal center for proper disposal of an old air conditioner and contact your local authority or your dealer if you have any question. Please ensure that the pipework of your air conditioner does not get damaged prior to being picked up by the relevant waste disposal center, and contribute to environmental awareness by insisting on an appropriate, anti-pollution method of disposal. Disposal of the packaging of your new air conditioner All the packaging materials employed in the package of your new air conditioner may be disposed without any danger to the environment. The cardboard box may be broken or cut into smaller pieces and given to a waste paper disposal service. The wrapping bag made of polyethylene and the polyethylene foam pads contain no fluorochloric hydrocarbon. All these valuable materials may be taken to a waste collecting center and used again after adequate recycling. 1 Consult your local authorities for the name and address of the waste materials collecting centers and waste paper disposal services nearest to your house. Safety Instructions and Warnings Before starting the air conditioner, read the information given in the User's Guide carefully. The User's Guide contains very important observations relating to the assembly, operation and maintenance of the air conditioner. The manufacturer does not accept responsibility for any damages that may arise due to non-observation of the following instruction. Damaged air conditioners are not to be put into operation. In case of doubt, consult your supplier. Use of the air conditioner is to be carried out in strict compliance with the relative instructions set forth in the User's Guide. Installation shall be done by professional people, don't install unit by yourself. For the purpose of safety, the air conditioner must be properly grounded in accordance with specifications. Always remember to unplug the air conditioner before opening inlet grill. Never unplug your air conditioner by pulling on the power cord. Always grip plug firmly and pull straight out from the outlet.

4 CAUTIONS All electrical repairs must be carried out by qualified electricians. Inadequate repairs may result in a major source of danger for the user of the air conditoiner. Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the air conditioner's tubes with sharp or pointed items, crushing or twisting any tubes, or scraping the coatings off the surfaces. If the refrigerant spurts out and gets into eyes, it may result in serious eye injuries. Do not obstruct or cover the ventilation grille of the air conditioner. Do not put fingers or any other things into the inlet/outlet and swing louver. Do not allow children to play with the air conditioner. In no case should children be allowed to sit on the outdoor unit. Specifications The refrigerating circuit is leak-proof. The machine is adaptive in following situation 1. Applicable ambient temperature range: Cooling Heating Indoor Maximum: D.B / W.B Minimum: D.B / W.B Outdoor Maximum: Minimum: Indoor Maximum: Minimum: Outdoor Maximum: Minimum: D.B D.B D.B D.B D.B / W.B D.B / W.B 2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agentor a similar qualified person. 3. If the fuse on PC board is broken please change it with the type of T. 3.15A /250VAC The wiring method should be in line with the local wiring standard. 5. The power cable and connecting cable are self-provided. The requirement of the power cable: AB242ACAAA AU242AHABA (HBU-24H03) AB242ACNAA AU242AHNBA (HBU-24CA03/R1) AB242ACBAA AU242AHBBA (HBU-24HA03/R1) AB284ACMAA AU284AHMAA (HBU-28C13) AB42NACMCA AU42NAIMBA (HBU-42CD03) AB42NACBBA AU42NAIBBA (HBU-42HC03/R1) AB28NACBAA AU28NAHBAA (HBU-28HB03/R1) AB28NACMAA AU28NAHMAA (HBU-28CD03) AB36NACAAA AU36NAIAAA (HBU-36H03) AB42NACACA AU42NAIACA (HBU-42HD03) Model AB282ACACA AU282AHADA (HBU-28HD03) AB282ACNAA AU282AHNAA (HBU-28CA03/R1) AB282ACBBA AU282AHBDA (HBU-28HC03/R1) AB42NACNAA AU42NAINAA (HBU-42CA03/R1) AB28NACNAA AU28NAHNAA (HBU-28CB03/R1) AB36NACMAA AU36NAIMCA (HBU-36C03) AB36NACBAA AU36NAIBBA (HBU-36HA03/R1) AB36NACNAA AU36NAINBA (HBU-36CA03/R1) H07RN-F 3G 4.0mm 2 H07RN-F 5G 2.5mm 2 The connecting cable should be H05RN- F 4G 0.75mm. All the cables shall have got the European authentication certificate. 6. The breaker of the air conditioner should be all-pole switch; and the distance between its two contacts should be no less 3mm. Such means for disconnection must be incorporation in the fixed wiring. 7. The waste battery shall be disposed properly. 8. The indoor unit installation height is at least 2.5m.

5 CAUTIONS Safety cautions Carefully read the following information in order to operate the airconditioner correctly. Below are listed three kinds of Safety Cautions and Suggestions. WARNING! Incorrect operations may result in severe consequences of death or serious injuries. CAUTION! Incorrect operations may result in injuries or machine damages; in some cases may cause serious consequences. INSTRUCTIONS: These information can ensure the correct operation of the machine. Be sure to conform with the following important Safety Cautions. The Safety Cautions should be at hand so that they can be checked at any time when needed. If the conditioner is transferred to the new user, this manual should be as well transferred to the new user. WARNING! Don't blow the human body with the cooling air too long, and don't let the room temperature decrease too low either. Otherwise the one will feel unpleasant or harm ones' health. If any abnormal phenomena is found (e. g. smell of firing), please cut off the power supply immediately, and contact the dealer to find out the handling method. In such case, to continue using the conditioner will damage the conditioner, and may cause electrical shock or fire hazard. switch off When need maintenance and repairment, call dealer to handle it. Incorrect maintenance and repairment may cause water leak, electrical shock and fire hazard. Please let the dealer be responsible for installing the conditioner. Incorrect installation may cause water leak, electrical shock and fire hazard. Don't put fingers or any other things into the inlet/outlet and swing louver while the conditioner is in operation. Because the highspeed fan is very dangerous and may cause injuries. Call the dealer to take measures to prevent the refrigerant from leaking. If conditioner is installed in a small room be sure to take every measure in order to prevent suffocation accident even in case of refrigerant leakage. When conditioner is deinstalled or reinstalled dealer should be responsible for them. Incorrect installation may cause water leaking, electrical shock and fire hazard. 3

6 CAUTIONS CAUTIONS! Conditioner should not be used for any other Don't operate the air-conditioner with damp hands. purpose other than airconditioning. Don't use air-conditioner for any other special Otherwise will be shocked. purposes, e.g. the preservation and protection Only use correctly-typed fuse. of food, animals, plants, May not use wire or any other pecision apparatus as well materials replacing fuse, otherwise may cause faults or fire as work of art, otherwise the qualities of these accidents. stuffs may be damaged. Don't place any burning unit Don't dismantle the outlet of the outdoor unit. in the air flow of air-conditioner, which may cause incomplete combustion. The exposure of fan is very dangerous which may harm human beings. No inflammable spray fluid should be permitted to be When air-conditioner is co-used with otherplaced or used near to air- otherwise may heat-radiator the frequent replacement ofconditioner room atmosphere should be required. cause fire accidents. Inefficient ventilation may cause suffocation. supply is cut off to keep After a long time use of air-conditioner the from shock or hurt. base should be checked for any damages. If the damaged base is Don't clean air-conditioner not repaired, the unit with water. may fall down and Otherwise may cause cause accidents. shock. No goods or nobody is permitted to placed on or stand on outdoor unit. The falling of goods and people may cause accidents. Air-conditioner should be cleaned only after power When use the fumigating insecticide don't open air-conditioner. Otherwise the poisonous chemicals may settle in air-conditioner which harm the health of chemical-allergic people. Pets and plants should not be blowed directly in the air flow. Otherwise will suffer damage. 4

7 CAUTIONS Installation Please ask the dealer or specialist to install, never try by the users themselves. After the in be sure of the following conditions. WARNING! Please call dealer to install the air-conditioner. Incorrect installation may cause water leaking, shock and fire hazard. CAUTION! Air-conditioner can't be installed in the environment with inflammable gases because the inflammable gases near to air-conditioner may cause fire hazard. Connect earthing wire. Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing may cause shock. Earth Installed electrical-leaking circuit breaker. Use discharge pipe correctly to ensure efficient It easily cause electrical shock without circuit discharge. breaker. Incorrect pipe use may cause water leaking. [Location] Air-conditioner should be located in well-vented and easily-accessible place. Air-conditioner should not be located in the following places: (a) Places with machine oils or other oil vapours. (b) Seaside with high salt content in the air. (c) Near to hot spring with high content of sulfide gases. (d) Area with frequent fluctuation of voltage e.g. factory, etc. (e) In vehicles or ships. (f) Kitchen with heavy oil vapour or humidity. (g) Near to the machine emitting electric-magnetic waves. (h) Places with acid, alkali vapuor. TV, radio, acoustic appliances etc are at least 1 m far away to the indoor unit, outdoor unit, power supply wire, connecting wire, pipes, otherwise images may be disturbed or noises be created. As required, take measures against heavy snow. [Wiring] Air-conditioner should be equipped with special power supply wire. [Operating noise] Chose the following locations: (a) Capable of supporting air-conditioner weight don't increase operating noise and vibrati (b) Hot vapour from outdoor unit outlet and operating noise don't disturb neighbour. No obstacles around the outdoor unit outlet. 5

8 AUTO INTRODUCTION TO SPARE PARTS Operation Power ON/OFF Used for unit start and stop. Buttons and display of the remote controller. TEMP Used to select your desired temp. SWING Used to set auto fan direction. FAN Used to select fan speed: LO, MID, HI, AUTO MODE AM PM ON AM PM OF Used to select AUTO run, COOL,DRY,HEAT and FAN operation. SWING TEMP ON OFF FAN SET Used to confirm Timer and Clock settings. CLOCK Used to set correct time. MODE SLEEP TIMER CLOCK TIMER LOCK RESET SET SLEEP Used to select sleep mode. Used to select TIMER ON, TIMER OFF, TIMER ON/OFF. HOUR Used to set clock and timer setting. LOCK RESET Used to lock buttons and LCD display. Used to reset the controller back to normal condition. Cautions: On cooling only unit, heating mode is not available. After replacing batteries, press ON/OFF, and display becomes as follows: Operation mode: AUTO, Temp: 24 C Timer mode: No, Fan speed: AUTO Note: 1. The above information is theexplanation of the displayed information therefore varies with those displayed in actual operation. 2. This type only has the relevant function and display as indicated in the above figure. 6

9 AUTO INTRODUCTION TO SPARE PARTS Operation DRY Buttons and display of the remote controller. HEAT COOL FAN OPERATION AUTO AM PM ON AM PM OF SIGNAL SENDING SWING FAN SPEED SWING TEMP ON OFF FAN TEMP. CLOCK LO MID MODE LOCK CLOCK SET HI AUTO AUTO TIMER LOCK RESET SLEEP TIMER OFF SLEEP TIMER ON Clock set When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows: Press CLOCK button, "AM" or "PM" flashes. Press or to set correct time. Each press will increase or decrease 1min. If the button is kept depressed, time will change quickly. After time setting is confirmed, press SET, "AM "and "PM" stop flashing, while clock starts working. Hints After replacing with new batteries, remote controller will conduct self-check, displaying all information on LCD. Then, it will become normal. 7

10 INTRODUCTION TO SPARE PARTS INDOOR UNIT Discharge unit (built in) In cooling operation,to discharge the water from inside the room. Drain Hose Swing fender (located in the outlet) Outlet Refrigerant pipe Cable line Earthing line Air filter (located in the suction grill) Remote Controller Suction grill OUTDOOR UNIT Airinlet Airinlet Airoutlet Airoutlet Compressor (Insideofunit) Compressor (Insideofunit) For series 36, 42 For series 24, 28 8

11 REMOTE CONTROLLER OPERATION Remote controller's operation When in use, put the signal transmission head directly to the receiver hole on the indoor unit. The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well. Don't throw the controller, prevent it from being damaged. When electronic-started type fluorescent lamp or change-over type fluorescent lamp or wireless telephone is installed in the room, the receiver is apt to be disturbed in receiving the signals so the distance to the indoor unit should be shorter. Loading of the battery Load the batteries as illustrated. 2R-03 batteries, resetting key (cylinder) Remove the battery cover : Slightly press " " and push down the cover. Load the battery : Be sure that the loading is in line with the " + " / " - " pole request as illustrated. AM SWING MODE CLOCK TIMER TEMP ON OFF FAN SET SLEEP Put on the cover again Confirmation indicator : LOCK RESET In disorderation, reload the batteries or load the new batteries after 5mins. Note : Use two new same-typed batteries when loading. If the remote controller can't run normally or doesn't work at all, use a sharp pointed item to press the reset key. Hint :Remove the batteries in case unit won't be in usage for a long period. If there is any display after taking-out just need to press reset key. 9

12 GUIDE TO OPERATION FAN operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) Power indicator on indoor unit lights up. (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: AM AUTO COOL DRY HEAT FAN TEMP Unit will run in selected mode. stop display at " " FAN. (3) Fan Press FAN button. For each press, fan speed changes as follows: LO MID HI 2 SWING 4 MODE CLOCK TIMER LOCK ON OFF RESET 1 FAN SET SLEEP 3 Unit will run at selected fan speed. Adjust air flow direction if necessary, refer to page15. (4) Unit stop Press ON/OFF button. Only time remains on LCD. All indicators on indoor unit go out. Vertical flap closed automatically. Hints Remote controller can memorize settings in each operation mode. To run it next time just select the operation mode and it will start with the previous setting. No reselecting is needed.(timer ON/OFF needs reselecting) 10

13 GUIDE TO OPERATION AUTO run, COOL,HEAT and DRY operation Recommendations Use COOL in summer. Use HEAT in winter. Use DRY in spring,autumn and in damp climate. (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display.(not Timer setting) Power indicator on indoor unit lights up. (2) Select operation mode AM Press MODE button. For each press, operation mode changes as follows: AUTO COOL DRY HEAT FAN Unit will run in operation mode displayed on LCD. Stop display at your desired mode SWING 6 MODE CLOCK TIMER TEMP ON OFF 1 FAN SET SLEEP 4 3 LOCK RESET (3) Select temp.setting Press TEMP button Every time the button is pressed, temp. setting * increases 1 Every time the button is pressed, temp. setting * decreases 1 Unit will start running to reach the temp. setting on LCD. Hints Remote controller can memorize each operation status. When starting it next time, just press ON/OFF button and unit will run in previous status. 11

14 GUIDE TO OPERATION (4) Fan speed selection Press FAN button. For each press, fan speed changes as follows: LO MID HI AUTO AUTO Unit runs at the speed displayed on LCD. In HEAT mode, warm air will blow out after a short period of time due to cold-draft prevention function. In DRY mode, when room temp. becomes 2 C higher than temp. setting, unit will run intermittently at LO speed regardless of FAN setting. Temp.seting+2C Temp.seting COLoperationstartswhenrom temp.ishigherthantemp.seting. Onreachingtemp.seting,unit willruninmilddrymode. Ultra-lowairflow (5) Air flow direction adjust After operation mode is selected, vertical flap will open automatically according to the mode. (6) Unit stop Press ON/OFF button. Only time remains on LCD. All indicators on indoor unit go out. Vertical flap closes automatically. Hints As cold air flows downward in COOL mode, adjusting air flow horizontally will be much more helpful for a better air circulation. As warm air flows upward in HEAT mode, adjusting air flow downward will be much more helpful for a better air circulation. Be careful not to catch a cold when cold air blows downward. It is harmful to your health in summer to go frequently in and out of places where temp. differenceis above 7 C. Temp. difference of 3-5 C will remove your fatigue. More than this, unit's load can be reduced and power consumption cut down as well. So, you'd better set a temp. diff of 3-5 Cbetween indoor and outdoor temp. in COOL mode. 12

15 GUIDE TO OPERATION TIMER operation Set Clock correctly before starting Timer operation(refer to page 6) You can let unit start or stop automatically at following times: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (1)After unit start, select your desired operation mode. Operation mode will be displayed on LCD. Power indicator on indoor unit lights up. (2)TIMER mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: ON OFF ON OFF blank AM ON TIMER ON TIMER OFF Select your desired TIMER mode (TIMER ON or TIMER OFF) ON or OFF will flash. (3)Timer setting Press HOUR button. TIMER ON-OFF Every time the button is pressed, time increases 10min. If button is kept depressed, time will change quickly. Every time the button is pressed, time decreases 10min. If button is kept depressed, time will change quickly. Time will be shown on LCD. It can be adjusted within 24hours. 2 SWING MODE CLOCK TIMER LOCK TEMP ON OFF RESET 1 3 FAN SET SLEEP 3 4 (4)Confirming your setting After setting correct time, press SET button to confirm "ON" or "OFF" stops flashing Time displayed: Unit starts or stops at x hour x min (TIMER ON or TIMER OFF). Timer mode indicator on indoor unit lights up. To cancel TIMER mode Just press TIMER button several times until TIMER mode disappears. Hints After replacing batteries or a power failure happens, Time setting should be reset. Remote controller possesses memory function, when use TIMER mode next time, just press SET button after mode selecting if timer setting is the same as previous one. 13

16 GUIDE TO OPERATION TIMER ON-OFF (1)After unit start, select your desired operation mode Operation mode will be displayed on LCD. Power indicator on indoor unit lights up. (2)Press TIMER button to change TIMER mode Every time the button is pressed, display changes as follows: ON OFF ON OFF blank TIMER ON TIMER OFF TIMER ON-OFF Select TIMER ON-OFF, "ON" will flash. (3)Time setting for TIMER ON Press HOUR button. Every time the button is pressed, time increases 10min. If button is kept depressed, time will change quickly. Every time the button is pressed, time decreases 10min. If button is kept depressed, time will change quickly. Time will be shown on LCD. It can be adjusted within 24hours. AM refers to morning and PM to afternoon. (4)Time confirming for TIMER ON After time setting, press TIMER button to confirm. "ON" stops blinking, While "OFF" starts blinking. Time displayed: Unit starts at Xhour X min. 2 ON AM SWING MODE CLOCK TIMER LOCK TEMP ON OFF 4 PM RESET OF 1 3 FAN SET SLEEP 5 6 (5)Time setting for TIMER OFF Follow the same procedures in "Time setting for TIMER ON". (6)Time confirming for TIMER OFF After time setting, press SET button to confirm "OFF" stops flashing. Time displayed: Unit starts at Xhour X min. To cancel TIMER mode Just press TIMER button several times until TIMER mode disappears. According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved. 14

17 GUIDE TO OPERATION Adjusting up/down air flow direction Up/down direction can be adjusted by using the SWING button on the remote controller. Each time pressing this button, the mode changes in the following sequence. SWING No indication (louver stopped) Change to the AIRFLOW mode. SWING LOUVER STOPPED Louver moves in upward and downward directions continuously. When the LOUVER button is pushed during SWING mode, it stops swinging at the just angle. CAUTION Avoid direct air flow to the body for many hours. Avoid downward blowing operation of cooling mode for many hours. Do not touch the swing louver during swing operation. 15

18 GUIDE TO OPERATION Comfortable Sleep At night, before going to bed you can press down the SLEEP button on the controller and the air-conditioner will run by the comfortable sleeping mode to make you sleep more comfortable. Press SLEEP button once to make the air conditioner have the previo sleep time (first power-on is "1h"), the sleep symbol will appear. Pre button /, you can choose the time in 1~8 hours. Each press of the time increases/reduces 1 hour and "Xh" appears in the tempera OFF setting part, "OFF" appears in "TIMER OFF" display part AM and timer time; press SLEEP button again to cancel sleep function, the sleep disappears. In cooling, dehumidifying mode One hour after sleeping operation start, the temp. SWING is OFF 1 FAN C higher the setting one. After another hour the temp. rises 1 C and then continuously for another 6hrs' and then close. The MODE actual temp. higher than the setting one which is to prevent from being too c to your sleep. In heating mode One hour after start up, the temp. decrease 2 C LOCK lower RESET than th setting one. After another hour decrease by more 2 C. The temperature will automatically rise by 1 C after another 3h operation, and then automatically close after 3hrs' continuou operation. The actral temperature is lower than the setting one w is to prevent from being too hot to your sleep. Note: In AUTO mode, unit will run in SLEEP function according to the operation mode. After setting SLEEP function, it is forbidden to calibrate clock. If the set sleep-time does not reach 8 hours, the unit will stop o time is complete. Set " TIMER-OFF" function first, then set SLEEP, and the sleep-se ON function first, the sleep function can only be set before TIMER-O first, the TIMER function can not be set. After setting SLEEP, press CLOCK button to show the time; pres temperature; press again to change temperature. CLOCK TIMER TEMP ON SET SLEEP SETTING T SHUT DOWN SLEEP RUN BEGINS SLEEP RUN STOPS 1 hr decrease 2 C about 6 hrs 1 hr SLEEP RUN BEGINS decreases 2 C about 3 hrs 3 hrs increase1 C SLEEP RUN STOPS SETTING T 1 hr 1 hr increase 1 C increase 1 C SHUT DOWN Heat mode Cooling mode 16

19 GUIDE TO OPERATION Remote Control: There is a telecommunication interface for remote control on the control panel of the indoor uni After the peripheral equipment have been installed in accordance with the instruction manual o the selected remote control detector, the air conditioner will be computerized and controlled from far-away place. Power Failure Compensation (to be applied for a necessary situation): After the power failure compensation is set, if power failure suddenly occurs while the air condition is working, it will resume the previous working state when the power is supplied again. Setting Method: When the remote controller is on (excluding timer mode and fan mode), press the "Sleeping" button on the remote controller 10 times within seconds, and after the buzzer rings 4 times, the air conditioner will ente the state of power failure compensation. Cancel Method: Press the "Sleeping" button on the remote controller 10 times within 5 seconds, and after the buzzer rings 2 timer, the power failure compensatio mode will be cancelled. Notes: When a power failure suddenly occurs during the air conditioner is working after the pow failure compensation is set, if the air conditioner will not be used for a long time, please cut off power supply to prevent its operation from being resumed after the power is supplied again, or pre the "Switch On/Off" button after the power comes again. 17

20 MAINTENANCE Appropriate room temperature setting Don't be too low or too high, to make everybody in the room feel comfortable. Cooling Don't open the doors and windows. Otherwise reduce the efficiency of the airconditioner. Heating Curtains or louver should be hanged on windows. Don't let sunlight shine room directly; Don't let outdoor air flow into room. Goods which must be kept dry can't be placed under indoor unit. when humidity exceeds 80% or water discharge hole blocked, indoor unit may drop water. Don't place any goods around inlet and outlet. These obstacles may lower the efficiency of air-conditioner or stop it. If air-conditioner is not be used for a long time the main power supply should be switch off. Otherwise will consume several or dozens of KWH electricity per day. To use air-conditioner again power supply will switched on at least 12hrs in advance. [Clean air filter] NOTE 1. Open inlet grill Press the elliptical "PUSH" knob, the inlet grill will automatically drop. (the inlet grill is catched with two pothooks) 2. Open two othooks When having to clean, don't dismantle air-filter,otherwise may cause faults. In the environment where there is too much dust, air filter should be cleaned for more times. (about half a year one time) Open two pothooks PUSH Press the elliptical knob the inlet grill will automatically drop Pothook 18

21 MAINTENANCE [ Clean air filter ] 3. Dismantle air filter 5. Install air filter (1) Put filter into protruding parts at the top o the inlet grill. (2) Connect the two pothooks with inlet grill See 2 Air filter Drag the knob of the grill back lift the filter and take down. 4. Clean Connet the two pothooks with inlet grill CAUTION! Don't wash with water over 50,to prevent6. Close inlet grill See 1. discoloring or deforming. 7. Press the filter signal return key on the Don't dry over fire. Filter maybe burn. controller. * * (A) Use vacuum suction or (B) wash with water to remove dust. [Clean inlet grill] (A) Remove dust with vacuum filter. (B) Wash with water. With too much dust, use soft brush and neutral detergent. 1. Open inlet grill Press the elliptical "PUSH" knob, the inlet grill will automatically drop. (the inlet grill is catched with two pothooks) H S U P Press the elliptical knob the inlet grill will automatically drop Swing off the water, and then place in cool place. Open two pothooks Pothook 2. Take off air-filter See "clean air filter" 19

22 MAINTENANCE [Clean inlet grill] 3. Take of inlet grill Open the inlet grill by an angle of 45, lift up. Don't wash with water over 50 *,otherwise may cause decoloring or deforming. Use soft dry cloth to scrub. If dust not removed, can use water or neutral detergent. If ceiling built-in conditioner's swing plate too dirty, it can be dimantled (as described below) and cleaned. 4. Clean CAUTION! Don't wash with water over 50 *,to prevent decoloring or deforming. [Dismantle and install swing plate ] Use soft brush, water and neutrul detergent, 1. Fix the swing plate at the bottom. then swing off the water. 2. Dismantle the swing plate. CAUTION! Use water to clean the plate and don't heavily NOTE scrub, otherwise the fine hair may fall off. When too much dust To spray the special detergent for vent fan or Unscrew the screw at both ends of the swing utensils. plate. 5. Install inlet grill see 3 6. Install air filtersee "Clean air filter" 7. Close inlet grill see 1 [Clean outlet and shell] CAUTION! Don't use gasoline, benzene, dilutant, polishing powder, or liquid inseticide. 20

23 MAINTENANCE [Dismantle and install swing plate ] 3. Install swing plate Lightly rotate swing plate to insert the ridge at both ends of the outlet into the groove and then screw up. NOTE For detailed information consult dealer. Maintenance at the beginning and closing of the applying seaso At the beginning 1. Check the following items: No blocks in the inlet /outlet of the indoor/outdoor unit. Good earthing. Perfect circuit connection. If any abnormal cases, consult dealer. 2. Call technician to clean air-filter and shell. Air-filter must be installed after cleaning. 3. Turn on power After power turned on, some information on remote controller will display. When not in use for a long time 1. In fine days, go on with blowing for half a day, to make inner part of conditioner dry. For details of blowing, see page Turn off power supply. If power not turned off, conditioner will consume several and dozens of KWH, To turn off power can save electricity. After power turned off, information on remote controller will disappear. 3. Call technician clean air-filter and shell. 21

24 TROUBLE SHOOTING The following symptoms are not faults Conditioner doesn't work White fog is blown out Outdoor unit turns hot Conditioner makes noise Conditioner blow out dust Conditioner give out smell Symptom When stop machine then continue operation. When press temp setting key and release at once. When power turns on. When humidity too high in the cooling operation (high content of oil or just in room). When heating has started after defrosting. During stopping the machine. As it starts buzzing noises exist. Constant noise in cooling or heating. There are noises when start, stop and defrosting begins, stops. There are constant noise during operation or after operation. Noise during operation and after operation. Start after a long term of unuse. In operation Reason The operation indicating lamp lights on the remote controller is not fault; safety unit is protecting the machine; after 3 minute the machine automatically start. The computer is ready to operate, wait for 1 minute or so. Uncleaness of the indoor unit can cause temp. fluctuation. *1 The frost removed turns into rising vapour. Compressor is preheating so that the conditioner start smoonthy. The noise is existing after temp.controller operates, 1 minute after turn weak. There is sound of gaseous refrigerant flowing in the conditioner. The sound given out when gaseous coolant stop folwing or switching. It's the sound of operation of discharging system. *2 Resin part expands or contract due to temp. change and give out this sound. Dust in indoor unit is blown out. Room smell or cigarrette smell sucked into indoor unit is blown out. *1 *2 NOTE The inner part of indoor unit must be cleaned. Consult dealer, because clean must be done by technician. In cooling operation, discharging system discharge water in room. 22