Cassette Air-Conditioner Ceiling OWNER'S MANUAL ? Please read before ? carefully and thoroughly operating this unit. Contact the authorized SVC man for this manual repair or maintenance of this unit. ? Contact the installer for installation of this unit. ? The appliance is not intended for use by young infirm persons without supervision. Young children should be supervised to children or ? do not play with MODELS: Prior to the ensure that they appliance. Cassette type Air-Conditioner Ceiling installation, this air-conditioning unit must be approval by the utility service which provides electricity (EN 60555-3 Norm). submitted for Safety Precautions FOR YOUR RECORDS Installation Precautions ......3 SafetyPrcuions Operation Precautions .......4 Write the model and serial numbers here for the indoor and outdoor units: Indoor model # Serial # Outdoor model # Serial # You can find them on a label on the side of each unit. Dealer's Name Date Purchased Operating Instructions Feature ................................7 Indoor Unit, Outdoor Unit .......8 OperatingIsuco CarendMitc Troubleshtingp Name and Function of Remote Control ...................9 Operation Mode ..................10 Operation Procedure ...........10 Auto Swing Button ..............15 Timer Setting .....................15 Operation Details...............16 Self-Diagnoses Function ...16 Optional Function ..............17 READ THIS MANUAL ? Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner. ? You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all. Care and Maintenance Care and Maintenance .......19 Operation Tips CAUTION .....................20 ? ? ? ? Contact the authorized Service technician for maintenance of this unit. repair Contact the installer for installation of this unit. The air conditioner is not intended for use by young children or infirm persons without supervision. Young children should be supervised to ensure they do not play with the air conditioner. Troubleshooting tips Before You Call For Service ..............21 2 that or Important safety precautions Read all instructions before using. Before To operating, please prevent injury to the Incorrect by the SafetyPrcuions following "Safety precautions" carefully. people and properties damage, the following instructions must be followed. ignoring of instruction will cause harm or damage, the seriousness is classified user or due to read the other operation following indications. WARNING : CAUTION : The items to be followed This indication shows the possibility of causing death or serious possibility of causing injury or damage injury. This indication shows the to properties only. classified are by the following symbols. Symbol(with doing. white background) denotes item that is PROHIBITED Symbol(with black background) denotes item that is OperatingIsuco from COMPULSORY to be carried out. Installation precautions WARNING Do not install, remove and reinstall the unit by yourself. installation will cause water leakage, electrical shock Improper authorized dealer or specialist or fire. Please consult for the installation work. CAUTION Please confirm the This room following important points when installation. air conditioner must be earthed. It may cause grounding Do not install the unit at occur leakage and/or in exposed in the specifically below 0°C, the heating capacity drops off rapidly. very low temperature, In case of gas leaks and accumulates at the surrounding of The the unit, it may I.S.O. Confirm drainage piping properly. temperature described measured based ignition. water on an on the labels is international standard is connected INDOOR If it is not connected cause is it indoor. Therefore if the outdoor unit is an explosive atmosphere. fire cycle system of the air conditioner cooling type heat pump which the air discharges where cause on absorbs heated air from the outdoor unit and perfect. place reverse based electrical shock if is not of flammable gas may The perfectly, it may leakage and dampen the furniture. TEMP. 3 OUTDOOR D.B D.B W.B 20±1°C 7±1°C 6±1°C CarendMitcToublshgp Operation precautions SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp WARNING Do not damage or use an Do not operate switches with wet hands. unspecified power cord. ? It will cause electrical shock or fire.. ? Do not insert your finger or stick, etc. into the air inlet/air outlet. ? Since the fan rotates at cause an When etc) ? high speed, It may cause electrical shock. Do not expose the skin to cool air for a long time. this may ? This could damage directly your health. injury. an abnormality (smell of burning, Repair occurs, stop the air conditioner, and turn off the breaker. If the unit continues to be operated condition, it may fire, trouble, cause a in an or relocation should not be done by the customer. ? abnormal etc. In this case, consult your dealer. 4 If this is done in correctly, it may cause a fire, electric shock, injury by dropping of the unit, water leakage, etc. Consult your dealer. CAUTION Do not clean the air conditioner with water. ? Water may enter the unit and degrade the insulation. It may cause an electric shock. Ventilate well when used ? together with An oxygen shortage a stove, may When the unit is to be cleaned, switch off, and etc. turn off the breaker. occur. ? Since the fan rotates at speed during operation, cause an injury. high it may ON OFF Do not put a pet or house plant where will be exposed to direct air flow. ? This could injure the pet or Do not plant. ? Do not use use for special purposes. this air conditioner to preserve devices, food, animal, plants and It may Do not or ? It may cause a apply an insecticide cause deterioration of Do not put flammable spray. fire or a quality, ? 5 It may cause precision objects. stove, etc. where is exposed imperfect OperatingIsuco etc. to direct air flow. deformation of the cabinet. art SafetyPrcuions combustion. CarendMitcToublshgp SafetyPrcuions When the unit is not going to be used for a long time, turn off the breaker. WARNING Do not operate for a long time in high humidity, e.g. leaving a door or window open. Consult your dealer for installing the air conditioner. ? ? It may cause an injury. ? In the cooling mode, if it is operated in a room with high humidity (80%r.h. or more) for a long time, water condensed in the air conditioner may drop and may wet and spoil furniture, OperatingIsuco CarendMitc Troubleshtingp For installation CAUTION CAUTION etc. Install place earth leakage depending on the an breaker where the air conditioner is to be Do not step on the outdoor unit and do not put anything on it. ? It may Do not step onto an unstable bench when attaching/detaching the panel. injury through falling down. ? cause an dropping or It may falling case an injury, etc. ? installed. (humid place, etc.) If the earth leakage not installed, it may breaker is cause an electric shock. by down. Do not install the unit where flammable gas could leak. ? If gas leaks and collect around the unit, it may cause an explosion. If the Do not leave on stand which is ? supply cord is damaged, it replaced by a special cord or assembly availible from the installation must be damaged. The unit may drop or fall down and cause an injury. ? manufacturer of its service agent. Drain water should be If will drained. cause electrical shock or fully fire. ? If the drainage route is incomplete, water may drop from the unit. It may wet and spoil furniture. 6 Instructions Operating SafetyPrcuions (1) Feature 1 Optimal There is space no need of space to install the air-conditioner. 2 Compact Design The height installed 3 is even 30cm and it can where the space is be narrow. This air-conditioner becomes everywhere 4 only Quiet like office, Operation This air conditioner operates very 5 On/Off You OperatingIsuco restaurant. Dual Timer quiet. Setting program the room air conditioner to turn itself on or off so as to ensure you can maximum comfort when you return from being away. 6 Soft Dry Operation This mode is without designed overcooling. Mode to dehumidify 7 Although the air conditioner is turned off by a power failure, it is restarted automatically after a power failure. 7 CarendMitcToublshgp SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp (2) Indoor Unit, Outdoor Unit Indoor Unit Anti-biofilter Air Intake Air Outlet Remote Controller Outdoor Unit Air Intake Connecting (side, rear) Power Wire Air Outlet Connection Drain Hose Heat pump model: Cassette Cooling model: Cassette Type Air Conditioner for cooling Type Air Conditioner for cooling 8 and heating Wire Pipe SafetyPrcuions (3) Name and Function of Remote Controller Remote Controller AUTO SWING OPERATION SET TEMP FAN SPEED ROOM TEMP HI LO CHECK DEFROST ON OFF 1 MED C PREHEAT TIME hr. TEST RUN 7 56 Set 9 8 Operation display Displays the operation Operation conditions. On/Off Button ? Operation starts when this button is pressed, and stops when the button pressed again. Temperature ? is Used to circulate Speed air without cooling Temperature Checking Button or Used to check the Auto Button Used to set the desired fan Dry Operation Mode. Heating Operation Mode.(except cooling model) Room heating. Fan Soft time is obtained. Button room mode. Used to set the timer when the desired desired temperature is obtained. Operation operation Cooling Operation Mode. Timer Set Button Button Used to set the temperature when the FAN Mode Selection Button Used to select the ? Set OperatingIsuco 2 34 Swing Used to speed. 9 room temperature. Button swing up and down. CarendMitcToublshgp SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp (4) Operation Mode Cooling Mode Cooling Mode Soft Mode Soft Mode Dry Dry (Cooling Model) Heating Mode (Heat Pump Model) (5) Operation Procedure 1st On/Off Button AUTO SWING OPERATION SET TEMP ROOM TEMP C CHECK 2nd Operation PREHEAT Mode Selection DEFROST FAN SPEED HI TIME ON OFF MED LO hr. TEST RUN Button 3 3rd Room 4th Indoor Fan Temperature Setting Set Button Speed 1 Selection Button 10 42 Cooling Operation 1 2 SafetyPrcuions Mode Press the On/Off Button. Select Cooling Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP HI FAN SPEED OperatingIsuco TIME HI C C LO Soft Cooling Operation Dry Operation Heating Operation COOLING MODEL Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME HI C LO Cooling Operation 3 Set the temperature lower than the room AUTO SWING Soft OPERATION SET TEMP TIME The temperature can be set within 30°C by 1°C range of 18°C ? HI a ~ . C temperature. 4 FAN SPEED Dry Operation Set the fan To raise the Temperature. To lower the Temperature. speed. Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED HI C ? C C LO Select the fan speed in three steps high, low, medium. - ? The ? Each time the button is display shows high fan speed. pressed, the 11 fan speed mode is shifted. MED TIME CarendMitcToublshgp SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp Soft Mode Dry Operation This mode dehumidifies without overcooling. Press the On/Off Button. 1 2 Select Soft Press the Dry Operation. operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP HI FAN SPEED TIME HI C C LO Cooling Operation Soft Dry Operation Heating Operation COOLING MODEL Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME HI C Cooling Operation 3 LO Soft Dry Operation During Dry Operation. ? The indoor fan is impossible speed is automatically set to the low, so the shift of the indoor fan speed already being set to the best speed for Dry Operation by because of Micom Control. 12 Mode Heating Operation 1 2 Press the Select Start/Stop SafetyPrcuions (Heat pump model only) Button. Heating Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED HI C Set the temperature. Soft AUTO SWING OPERATION SET TEMP FAN SPEED TIME The temperature can be set within range of 16°C~30°Cby 1°C. ? HI Set the fan Heating Operation Dry Operation C 4 C LO Cooling Operation 3 TIME HI To raise the Temperature. To lower the Temperature. a OperatingIsuco speed. Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME AUTO SWING OPERATION SET TEMP FAN SPEED TIME HI C ? C MED C LO Select the fan speed in three steps high, low, medium. - ? .? 5 The display shows high Each time the button is fan speed pressed, the fan speed This air-conditioner is set to the hot start control in order mode is shifted. AUTO SWING SET TEMP FAN SPEED TIME HI C 'PREHEAT'. 6 OPERATION discharge the cold air during the heating operation. This time, the remote controller indicates not to PREHEAT If the outdoor temperature is too low during the heating operation, this air-conditioner is set to the defrosting operation and the remote controller indicates 'DEFROST'. AUTO SWING OPERATION SET TEMP FAN SPEED HI C DEFROST 13 TIME CarendMitcToublshgp SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp FAN 1 2 3 Operation Press the Start/Stop Press FAN Button. Operation Button. Each time Indoor Fan Speed arrow Selector is pressed, the fan speed mode is shifted in the direction. AUTO SWING OPERATION SET TEMP FAN SPEED TIME HI AUTO SWING OPERATION SET TEMP FAN SPEED ? Fan speed is ? Fan speed is low. ? Fan speed is medium. high. TIME LO AUTO SWING OPERATION SET TEMP FAN SPEED TIME MED 14 SafetyPrcuions (6) Auto Swing Button ROOM PREHEAT CHECK DEFROST EMP TEMP FAN SPEED C HI TEST RUN Set the On/Off button. 1Press (Confirm the unit 2 on TIME MED ON OFF LO hr. Press the Auto louvers operation.) Press Swing 3 Swing button then the horizontal swing up automatically. and down Auto (7) Timer Setting AUTO SWING again Swing OPERATION SET TEMP HI DEFROST OperatingIsuco TIME ON OFF MED C LO CHECK PREHEAT mode. FAN SPEED ROOM TEMP Remote Controller the Auto button to cancel the hr. TEST RUN 3 1 Timer 2 Down Timer Button 3 Up 1 Press the Timer set Setting or Cancel Button 12 Set Timer Button or Cancel button. To cancel the St Press the Timer set The timer will be settings setting displayed. or Cancel button. St 2 Change the Timer Setting until the desired time is set. If the settings are cancelled by a power failure. Press the On/Off Button, and then set the again as desired time according to Set timer Timer 15 Setting Procedure. CarendMitcToublshgp SafetyPrcuions (8) Operation Details ? Cooling Operation When the room Mode temperature is higher than the set temperature, it operates in cooling mode temperature, the set fan speed, and then it will be in temperature reaches the set temperature +0.5°C. automatically at the set turn off when the room ROOM TEMP. More 3 minutes OPERATION START SET TEMP. +0.5°C) OperatingIsuco CarendMitc Troubleshtingp OPERATION STOP SET TEMP. -0.5°C) INDOOR FAN OUTDOOR FAN/COMP : Helpful Airflow SETTING FAN SPEED : LOW COOL OPERATION speed the fan COMP ON : COMP OFF information and cooling capacity. The cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed. speed is room quickly. High : recommended when you wish to cool High Speed (9) Self-Diagnoses Function 'CHECK' will flash in the remote controller dealer. display 16 when a problem occurs. Then please contact your (10) Optional Function Wireless Remote Controller ? This air-conditioner is equipped with wired remote controller wireless remote controller, you pay for it. basically. model (Heat pump Signal transmitter signals to the Button Heating Operation Remote Controller Transmits the But if you want to be available with room Auto air conditioner. Soft Button Swing Used to dehumidify 2 FAN 3 Used to circulate 4 5 6 and down. swing up Operation without overcooling. Button room air without cooling or heating. Cooling Operation Button Timer Set Button Used to set the timer when the desired time is obtained. Then the wired remote controller is set to 24 hours by an hour but the wireless remote controller is set to 7 hours by an hour. Therefore, if you want to set over 7 hours, use the wired remote controller. 7 8 On/Off Button 9 Operation SafetyPrcuions Button Dry Operation Used to 1 only) starts when this button is OperatingIsuco and pressed, stops when the button is pressed again. Set Temperature Button Used to set the temperature when the desired temperature is obtained. Fan Speed Button Used to set the desired fan speed. CAUTION of ? Aim at the ? The ? Be ? Do not sure Do not ? the Remote Controller that there are no obstructions between the remote controller and the drop or throw the remote controller. place the remote controller in a location exposed other heat ? handling signal receptor on the room air conditioner so as to operate. remote control signal can be received at a distance of up to about 7m. to direct sunlight, signal receptor. or near the heating unit, or any source. Block a strong light over the signal receptor with a curtain or etc. (ex:electronic quick start, ELBA, inverter type fluorescent lamp) Air-filter Checking so as to prevent the abnormal operation. Function 'FILTER' will display in the remote controller for reference to Owner's Manual.(page 18) display 17 when an air filter is polluted. Then clean the air-filter CarendMitcToublshgp Care and Maintenance SafetyPrcuions Before Cleaning the air filter (about once every 2 weeks). performing any maintenance procedure. Turn off the breaker. Remove the Air filters. Take hold of the tab and to remove pull slightly forward the filter. Rack Air Filter OperatingIsuco CarendMitc Troubleshtingp CAUTION When the air filter is to be removed, do not touch the metal parts of the indoor unit. CAUTION When the unit is to be cleaned, It may turn off the cause an injury. breaker. Since the fan rotates at operation, it may cause Clean dirt from the air filter using a cleaner or washing with water. high speed during an injury. vacuum If dirt is conspicuous, wash with a neutral detergent in lukewarm water. If hot water (50°C or more) is used, it may be deformed. Clean using soft dry cloth. After washing with water, in the shade. dry well Do not expose the air filter to direct or heat from a fire when drying it. sunlight Never ? ? use any of the followings: Water hotter than 40°C. Could cause deformation and/or discoloration. Volatile substances. Could damage the surfaces of the air conditioner. Install the air filter. SINNER B enzene SCOURING CLBARGER Rack Install it. 18 Air Filter WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME. When it is not going to be used a long time. for When the air conditioner is to be used Operate the air conditioner at the following settings for 2 to 3 hours. Type of operation: Fan operation mode.(refer to page 14) again. Clean the air filter and install it in the indoor unit. (Refer to page 18 for cleaning it.) ? Rack ? This will dry out the internal mechanisms. Air Filter Turn off the breaker. Check that the air inlet and outlet of the indoor/outdoor unit are SafetyPrcuions OperatingIsuco not blocked. CAUTION Turn off the breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may Helpful cause a fire. information Check that the is connected ground wire correctly. It may be connect to the indoor unit side. The air filters and your electiric bill. If the air filters become clogged with dust, cooling capacity will drop, and 6% of the electricity used to operate the air the conditioner will be wasted. 19 CarendMitcToublshgp SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp Do not overcool the room. Keep blinds curtains or Keep the closed. This is not temperature uniform. Do not let direct sunshine Adjust health and wastes enter the room when the air horizontal airflow direction electricity. conditioner is in to ensure a uniform good for the room operation. the vertical and temperature in the room. 4~6°C Make sure that the doors and windows Avoid are opening windows as possible to air in the room. shut doors and much keep Clean the air filter regularly. tight. as the cool Ventilate the room occasionally. Blockages in the air filter Since windows are kept reduce the airflow and closed, it is lower open them and ventilate the room now and then. cooling and dehumidifying effects. Clean at least once two weeks. 20 every a good idea to Troubleshooting Tips Check the before following points requesting repairs please Does not The operate. Have you made mistake in timer a ? Has the fuse blown or has the circuit breaker been or Is the air filter See air filter a ? Condensation occurs operate for about 3 minutes when restart. not ? when the airflow from by the air conditioner in the air. cools the room. dirty? cleaning ? warm room This is the protector of the mechanism. ? Wait about three minutes and operation will begin. For a noise that The -This is the sound of room may have been very hot when the room air on. was freon flowing first This sound is generated by the expansion/constriction of the front panel, etc. due to changes of inside temperature. unit. Allow time ? For a noise that sounds like the Has the Are the indoor unit's compressed air releasing into atmosphere. air inlet -This is the sound of temperature incorrectly? or ? the air conditioner for it to cool down. been set Crack sound is heard. sounds like water flowing. turned ? Air conditioner does that the walls, carpet, furniture or cloth items instructions. conditioner ? smell exuded seems condensation is leaking from the air conditioner. The air conditioner operation is noisy. heat effectively. ? persist, tripped? Does not cool ? service.... If the malfunction It a odor. Check that this is not damp operation? ? has room peculiar ? or contact your dealer. outlet vents obstructed? the dehumidifying being processed inside the air conditioning unit. water NOTE SPLASH PROOF : The outdoor side of this appliance ordinary. 21 is SPLASH PROOF and the indoor side is SafetyPrcuions OperatingIsuco CarendMitcToublshgp Note SafetyPrcuions OperatingIsuco CarendMitc Troubleshtingp Please remember to record the ? Model Number ? Serial Number ? Dealer's Name ? Date Purchased following: 22 P/No.: 3828A90012Z Printed in Korea