USER'S MANUAL [Methods of Maintenance]
Contents
1. Indoor unit 1 213 L3 L4 To power source Note The environment conditions must be taken into consideration when the connections of power cable are made such as the ambient temperature direct exposure to heat direct exposure to sunlight The specifications for the power cable refer to the minimum values of the metal core wires Taking into consideration the voltage losses the core wire of power cable must be one size larger than the specifications The grounding wire must be connected to the indoor units and outdoor units The laying of power cables must be done by qualified electricians and comply with the regulations of the local power supply authorities and with the standards of the electric appliances2. Methods of Maintenance The air conditioner must be turned off power before the maintenance is to be carried out Before the season of operation During the season of operation The cleaning of the air filter screen Standard intervals should be once every two weeks 1 Check if there are any blocking materials in the intake and outlet vents of the indoor and outdoor units Gently press the two lower ends of the grid and open it Gently pull up the air filter screen and take it out in the direction of your body Remove the air filter screen from the unit i Check if the tand is corroded CI the air filt or rusty 2 ean the air filter screen f 3 if the screen is very dirty please use lukewarm water about Check if the machine is 86 F or 30 C to clean it Air it dry after the cleaning properly grounded Note Do not use boiling water to clean the screen Do not bake the screen dry over a fire Do not exert too much force in pulling and stretching the screen 4 Check if the air filter is clean Install the air filter screen f To operate the air conditioner without the air filter screen on will cause the interior of the 5 Connect to the power source machine dirty which might lead to poor performances or damages to the units Clean the air conditioner Put vateries Put batteries in the remote controller Use a soft and dry cloth to rub the air conditioner or use a vacuum cleaner to clean it If the air con
3. ditioner is very dirty use a piece of cloth and soak it with neutral home use detergent to do the cleaning After the season of operation 1 Set the temperature at 86F or 30 C and operate in the fan status for about half a day oo To make the interior of the units dry 2 Stop the operation of the machine and turn off the power switch SE The air conditioner will consume about 5W of electric l Note E la If the air filter screen is blocked by dust or dirt the r performance of cooling and heating will be affected with the operation noise and power consumption increased 3 Clean and install the air filter screen Therefore the air filter screen should be cleaned regularly power after the machine is turned off For the purpose Z of energy saving and safety it is advisable to pull the p plug out during the non operational seasons LAN 5 Take the batteries out from the remote controller Treatment at service call Please check the following before requesting after sale service from your dealer The air conditioner does not operate at all Room temperature can t be controlled Is the time set to Is there a power Too cold or too hot Is the power in an ON position failure or a break Is the room temperature setting too low outlet fuse V m or too high anne 3 e r Poor cooling or heating performance N Is the room temperature Are the air filters Are the window s and se
4. ow is stopped to prevent blowing out of cold air Air is not blown out at starting of heating operation until the indoor heat exchanger is warmed 2 to 5 min HOT KEEP When outdoor temperature is low and humidity is high the unit Air is not blown out for 6 to 12 min at heating operation sometimes performs defrosting automatically Please wait During defrosting water or steam are raising from the outdoor unit Indoor fan is sometimes stopped to prevent vapor of dehumidified Air is not blown out at DRY operation moisture and save energy This phenomenon sometimes occurs when the temperature and Mist is blown out at COOL operation humidity of the room are very high but it will disappear with the lowering of the temperature and humidity Air blown out during operation may smell This is the smell Odor is sent out of tobacco or cosmetics sticked to the unit Noise is heard cracking sound W This is caused by the refrigerant that is circulating inside the unit Noise is heard cracking sound After a power stoppage or after 7 disconnecting the power supply plug This is caused by heat expansion or contraction of plastics The memory circuit of the microcomputer is cleared Operate Operation can not be restarted even if the power is recovered j the remote controller again to restart the operation Remote control signals may not be received when signal receiver on the air conditioner body is e
5. tting suitable clean Not clogged door s opened co 7 Is direct sunlight entering the room om Cases requiring immediate contact with the distributor If the air conditioner does not operate properly Is there a heat source Are there too many ever after conducting the above checks when in the room people in the room the doubt still remains even after consulting on page 11 or in case that such phenomena as those shown below turn off the power and contact your distributor Pull out the power plug immediately and inform to your distributor in the following situations Fuse or breaker often breaks off o Fuse ofen _ breaks off Switch dose not actuate surely Malfunction is observed TV radio or other devices When faulty operation movement is observed when the RUN button is pressed even after restarting the operation after 3 minutes faulty movement does not disappear We hope you will know the following when using the unit T he unit can not be restarted just after shut down Restart is stopped for 3 minutes after shut down to protect RUN lamp is illuminating the unit jt Please wait for Not operate 3 minutes a O 2 F y a Three minute protection timer incorporated in the microcomputer actuates automatically Except that power is connected this function does not actuate Air bl
6. xposed to direct sunlight or strong lighting In that case interrupt the sunlight or darken the lighting Remote control signals are not received Moisture may form on the air outlet grilles If the unit is operated for a long period of time with the high humidity moisture may form on the air outlet grilles and drip down Installation of electric components Points of attention HACR type breaker should be utilized along with proper installation Make sure of the applicable voltage and cables or wires for the specific model to be used before doing the connections Read the prompts at the terminal board for wiring Make sure the wiring is done correctly Pay attention to the poles of the signal terminal and connect the terminals to match the identification numbers When the wiring connections are wrong the compressor will not work The connecting wires are not supplied The provision for connection of one of the wiring systems that in accordance with the National Electric Code shall be had ANSI NFPA 70 1990 would be acceptable for it The connecting wires specification is 14 AWG VW 1 orTHHW copper core and 105 C or 2210F Their set screw diameter is 4 mm The power sourc is 240V 60Hz and 1phase Minimum circuit ampacity of the wiring systems is 20A i i i Connection of wires for outdoor unit and indoor unit N wo BaSe Outdoor unit
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