User`s manual - Inventor Air Conditioners
Contents
1. Models V2MCRI 12 U2MRS 12 V2MCRI 18 U2MRS 18 LV2MCI 12 Cassette Unit Owner s Manual O inventor Your conditions Thank you for choosing INVENTOR air conditioning system For correct use of this unit please read this manual carefully and keep it for future reference CONTENTS 1 Safety Precaution 1 2 Note Before Operation 3 3 Caution 5 4 Parts Identification 6 5 Operation 8 6 Adjustment Air Flow Direction 10 7 Maintenance 11 8 Abnomal Phenomenon 14 f used as MULTI unit please refer to the Installation amp operation manuals packed with outdoor unit SAFETY PRECAUTION Please thoroughly read this manual to operate the air conditioner correctly and safety to prevent the damage of the property and the personal hurt Before you come to the text please be familiar with the following markers and icons and comply with the precautions2. E Markers E Icons Markers Icons e sign Shows the risk death or serious injury will N WARNING be caused due to the wrong operation FORBID Followed by the detailed illustration The sign shows the risk of A CAUTION ee ENFORCE Followed by the detailed illustration to the wrong operation NOTE 1 Injury means causing from the harm burn and electrical shock but not serious for the hospitalization 2 The damage of material means the disrepair of property and material N WARNING installation Installation Users can t install the units by themselves or the water leakage commitment electrical shock or fire may be caused Accessories must be specified Humidifier and other accessories must be specified otherwise Please use the the water leakage electrical shock or fire may be caused Please specified product entrust the professional person to do the installation D Please entrust the dealer or the professional person to do the When installing in a small room actions should be taken in case the thickness of refrigerant exceeding proper range Take measure to prevent Otherwise it will cause people asphyxia the refrigerant leakage from Please contact the dealer to avoid the asphyxial accident the asphyxial accident aD Ensure grounding correctly Defective grounding may cause electrical shock INSTALLATION WARNING Grounding N WARNING Using warning Moving warning c 2
3. dirty CAUTIONS e Do not use benzene thinner polishing power or similar solvents for cleaning These may cause the surface to crack or deform e To avoid the risk of electrical shock or fire do not let water fall into the indoor unit e Never wipe the air flow louver violently e An air conditioner without air filter can not expel the dust out of the room which would cause malfunctions by accumulation MAINTENANCE OF THE OUTDOOR UNIT 1 Injures may happen by improper operations because of the sharp blade of some plates and the freezer 2 Check the air outlet and the air inlet of the outdoor unit regularly to ensure that they are not choked by filth or soot 3 The coil and other parts of the outdoor unit should also be checked regularly Please contact with your local dealer IF YOU DO NOT PLAN TO USE THE UNIT FOR ALONG TIME e Operate the fan for about half a day to dry the inside of the unit e Turn off the unit with the ON OFF button on the remote controller then disconnect the power NOTE e When the power switch is connected some energy will be consumed even if the unit is not in operation So please disconnect the power to save energy e A degree of filth will be accumulated due to certain performance after several seasons of operation So special maintenance is advised e Take out of the batteries from the remote controller RESTART AFTER ALONG TIME 1 Check before operation e Check the air outlets or in
4. from here Air Filter Filter the dust in the intake air Air Outlet Horizontal Louver Air Intake Intake room air here Air Filter Filter the dust in the air Duct Ceiling Type Air Outlet Connect the duct Grounding Screw In the control box Air Intake Intake room air here Lock Buckle For closing the air intake grille Air Filter Filter the dust in the air Air Outlet Outlet room air Heat Exchanger Exchange cool air into warm air Air Intake Intake room air here Indoor unit Electric control box Please note the following correct operation for saving energy and achieve the quick and comfortable cooling heating effects Clean the air filter regularly Do not overcool or overheat The blocked air filter will reduce cooling heating effects Check regularly Gi S EB Suggested Temperature 26 28 C 4 22 24 C Close the door window Do not let the heat cool air leak from the door widow To maintain the comfortable temperature e Adi o er Gent nog te the air out direction with using the air out Do not expose you to the cool wind S for a long time Over cool is harm to your health i Operating temperature Mode Cooling operation Heating operation Drying operation Temperature Room temperature 17 C 32 C 62 F 90 F 0 C 300 3 2 F 86F 17C 32C 62F 90F 0 C 50 C 32 F 122 F 15 C 24 C vere Outdoor te
5. is found any failures as mentioned below please turn off the power immediately Then contact the local dealer ON OFF operation is not valid Still no operation after checking the protector P4 Fuse or leakage protector frequently blown Quite different from other indoor unit or ordinary Some matter or water falls into the unit state 14
6. outdoor unit are blocked Strong wind outside is blowing into the air outlet of the outdoor unit Heating Operation The air filter is too dirty The air intake and the air outlet of the indoor unit are blocked Fan Runs after the Indoor Unit Stopped To protect the machine one of the indoor units which stops the running while the other indoor units are still running will run its fan at low speed for 3 minutes every 1 hour on cooling operation or every 4 hours on heating operation CAUTION e Confirm the air filter is installed The heat exchanger would accumulate dust or leak water without the air filter One indoor unit can run alone or run with other indoor units but can not run under heating mode while others run under cooling mode This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision orinstruction concerning use of the appliance ina safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person respon
7. p gt oO fe Ky J 2 9 Forbid S Forbid Turn off the power Do not face the cool wind for a long time Too low temp will do harm to the health Never put hands or objects into the air conditioner The fan with the high speed will cause serious injury In any abnormal cases stop the operation turn off the power and consult the dealer In the abnormal cases if keeping on the operation the fire and electrical shock will be caused Please entrust the dealer or professional person to move and reinstall the air conditioner Incorrect installation will cause water leakage electrical shock or fire Do not maintain the unit by yourself Incorrect maintenance will cause water leakage electrical shock or fire Ensure if the drain pipe can drain the water well Incorrect installation will cause water leakage and humidify the furniture Ensure the installation of creepage protection switch The creepage protection switch must be installed Otherwise the Ensure the creepage electric shock will be caused protection switch Never install the air conditioner in the place where the flammable gas is easy to leak Ensure the installation If the leakage of flammable gas happens the fire will be caused around place Ventilate Forbid the indoor unit Ventilation should be operated regularly when using with the flammable appliance Insufficient ventilation will cause the l
8. ack of oxygen Do not put the flammable appliance near the air outlet It will cause the flammable appliance burn incompletely Ensure whether the installation bracket has been worn out afte being used for a long time Ensure the installation n the case of abrasion to put the unit on the bracket will cause the bracket unit falling and cause people injured Do not wash the air conditioner with water Electric shock will be caused Do not put animal or plant near the air outlet It is harm to the animal and plant Do not put the flammable sprayer near the air conditioner or spray the air conditioner directly The fire will be caused Do not put the container with water on the air conditioner Immersion of water will reduce the ability of insulation and the electric shock will be caused Do not operate the switch with wet hand The electric shock will be caused The air conditioner can not be used to conserve food plant precision instrument and artworks etc It will get the quality worse Disconnect the power and stop the operation when repairing The fan with high speed will cause injury Do not use the fuse whose capacity exceeds the defined value Using the iron wire or brass wire as fuse can cause the fire and malfunction The power must use the specified circuit under the rated voltage Note Before Operation Confirm Before Operation Make sure that the ground wire is not broken or fallen off M
9. ake sure the air filter is installed Turn on the power switch for 12 hours before the operation About Heating Capacity Heating is that the outdoor unit absorbs the outdoor heat then transmit the heat to the indoor unit When the heating pump starts the outdoor unit blows the cold air and the outdoor temp fall Defrosting during the Heating Operation Under the heating mode when frost generating on the outdoor unit the air conditioner starts defrosting automatically About 2 10minutes Indoor Outdoor fan stops the running during the defrosting About 3 Minutes Protection The outdoor unit would not run within 3 minutes during restarting This is self protection of the unit About Power Off All the operations will stop if there is a power off e The buzzer of the display will make a sound and the operation indicator will flash when the power is on after a failure Press ON OFF button to restart the unit About Protection Device when starting the unit compulsorily while the unit does not prepare for the starting the on off indicator lights the protection device is activated and the unit stops Heating Capacity Drop When the outdoor temp is low the heating capacity drop please use the air conditioner with other heating equipments or purchase the digital scroll central air conditioner auxiliary heating device When the Protection Device is Activated Cooling Operation The air Intake and the air outlet of the
10. heat the bottom of the room please set the louver downwards 10 Ceiling Floor Type Press SWING button the louver will swing up and down left and right automatically When cooling Adjust the louver horizontally T MAINTENANCE CAUTION Manual Swing Adjust the louver to achieve better cooling heating effects when cooling heating When heating Adjust the louver downwards vertically e Only the specialized maintenance person can perform the maintenance work The main power switch must be turned off before doing electrical connection or cleaning the air filter Do not use water or air of temperature above 50 Cto clean the air filter or the panel METHOD FOR CLEANING THE AIR FILTER e The air filter can prevent the dust or other particles from going inside In case of blockage of the filter the working efficiency of the air conditioner may greatly decrease Therefore the filter must be cleaned once two weeks during long time using e f the air conditioner is positioned in a dust place the cleaning frequency of the air filter must be increased e f the accumulated dust is too heavy to be cleaned please replace the filter with a new one the replaceable air filter is an optional fitting 1 Take out the air in grill e Four Way Cassette Type Push the grill switches towards the middle simultaneously as indicated in sketch A Then pul
11. iss and poop are heard flexing of the heat exchanger as temperature changes Pieces of the wall carpet furniture cloth S Abnormal smell blown out cigarette and cosmetics adhere to the unit 3 Connect to the power after the power cut E Operation lamp flashes Other equipments heating process stops the T cooling operation E Noise hydrometeor and The operator sets an opposite mode against 2 cold air appear when the the fixed cooling and heating mode running stops The refrigerant will suddenly move to avoid resorting in the indoor unit then caused Ksha can be heard kak sounds Hydrometeor or cold air appears when start when other indoor unit is heating or cooling The sound of the expansion valve when supplied power Stop running automatically e f the timer reached the set time No operation If no power f the fuse is blown If starting the protection device the operation lamp lights If the timer is on the set time f choosing the cooling and heating simultan eously Check it Insufficient cooling f the outdoor unit air inlet or outlet is Insufficient heating blocked f the doors and windows are open If the dust filter is choked by collective dust f the air louver is in the right place If the fan speed is shifted in low or if the shift is under FAN mode If the setting temperature is appropriate If the air conditioner
12. l down the air in grill Take out the air in grill together with the air filter shown in Sketch B Pull the air in grill down at 45 and lift it up to take out the grill Cautions The control box cables which are originally connected with the main body electrical terminators must be pulled off before doing as indicated above For Duct Ceiling Type A B Push the grill switches to the arrow directions then open the air in grill downwards Turn back the air filter fixing block then take out the air in grill 2 Dismantle the air filter 3 Clean the air filter vacuum cleaner or pure water may be used to clean the air filter If the dust accumulation is too heavy please use soft brush and mild detergent to clean it and dry out in the cool place MAINTENANCE e The air in side should face up when using vacuum cleaner e The air in side should face down when using water Cautions Do not dry out the air filter under direct sunshine or with fire For the one way cassette type the air filter should be installed before the unit body installation 4 Re install the air filter 5 Install and close the air in grill in the reverse orders of step 1 and 2 and connect the control box cables to the corresponding terminators of the main body CLEANING THE AIR OUTLET AND THE PANEL e Use a dry and soft cloth to wipe it e Pure water or mild detergent may be used if it is very
13. lets of the indoor outdoor unit are not blocked e Check the grounding wire is not broken off and is connected well 2 Restore the air filter and the front panel The air filter and the front panel must be fixed to the original position after having been cleaned 3 Connect the main power switch To protect the air conditioner power should be provided 12 hours before operation Then the OPERATION lamp on the control box of the indoor unit will flash once a second AIR CONDITIONER AUXILIARY HEATING EQUIPMENT In winter due to the difference of the area and building construction please purchase the indoor unit with auxiliary heating to enlarge the heating capacity When turning to the heat mode the air conditioner with auxiliary heating will run at the set temp It s no need to install auxiliary heating equipments on site for 4 way cassette type and duct ceiling type with auxiliary heating ABNORMAL PHENOMENO Please read the following illustration before applying for the service Troubles Causes From outdoor unit Fan function stop automatically to defrost It white cold fog and condensing dew is the start and stop sound of the electro hiss and poop are heard magnetic valve From indoor Hiss for once At the beginning and ending of the running unit process sounds like water flow in valve appears and be enhanced at the first 2 3 minutes this is refrigerant flow sound Slight hiss and poop are caused by mild H
14. mperature 15C 50C 5 F 122F 5 F 76 F 32 F 122 F For the models with low temperature cooling system NOTE 1 Optimum performance will be achieved within these operating temperatures If air conditioner is used outside of the above conditions certain safety protection features might come into operation andcause the unit to function abnormally 2 Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may attract condensation Please sets the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode Suggestion For the unit adopts anElectric Heater when the outside ambient temperature is below 0 C 32 F we strongly recommend you tokeep the machine plugged in order to guarantee it running smoothly Special functions Refrigerant Leakage Detection optional With this new technology the dipsplay area willappear EC if applicable andthe LED indication lamps continue flashing when the outdoor unit detects refrigerantleakage Louver Angle Memory Function optional For some models the machine isspecial designed withlouver angle memory function Power failure during operation or pressingthe ON OFF buttonon the remotecontroller will stop the unit completely When the powerrestores or pressingthe ON OFF button on the remotecontroller again the unitrestarts automatically with the previo
15. sible for theirsafety Children should be supervised to ensure that they do not play with the appliance If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard Do not operate your air conditionerin awet roomsuch asa bathroomor laundry room CAUTION Do not disconnect the power Do not disconnect the power Do not disconnect the power when the unit is in operation Please control it with the remote controller Connect to the power 12 hours before starting the unit 12 hours before To protect the compressor please turn on the power switch 12 hours before starting the unit One of the indoor units can not run on the cooling mode while the other indoor units run on the heating mode Please run every indoor unit on the same mode Put the louver horizontally when cooling There will be water condensing on the louvers if setting the louvers down when cooling Cassette type only Place it away from TV or radio Put the TV or radio away from the air conditioner at least 1 meter or signal will be interfered Parts Identification Four Way Cassette Type Grounding Screw In the control box Air Out Louver Adjustable Two direction or Three direction Air Outlet For the detailed information please consult your local dealer Lock buckle For closing the Air Grille Air Intake Intake air
16. us open angle of the horizontal louver bythe memory function Sowe strongly recommendthat the open angle ofthe horizontal louvershould not beset too small incase the condensed water forms anddrops from thehorizontal louver Press the Manualcontrol button and the open angleof the horizontallouver will berestored to the standard angle ADJUSTING THE AIR FLOW DIRECTION Because cold air flow down and hot air flow up to improve the cooling and heating effect please adjust air flow louver direction in result the temperature of the room will be natural and equal and you will fell more comfortable NOTE The heating operation with horizontal air out let willincrease the difference of the room temperature Choose horizontal outlet mode when cooling operation When the cooling operation the air flow down will cause condensing Notice Notice the dew on the air outlet and louver surface louver direction Four Way Cassette Type Cooling operation Heating operation Adjust the louver horizontally Adjust the louver down When using the panel with auto louver press SWING button the auto louver will swing automatically and the best cooling heating effects will be achieved Duct Ceiling Type The following is how to adjust the air flow direction when the air outlet parts sold separately is used with the indoor unit Cooling To effectively cool the whole room please adjust the louver horizontally Heating To effectively
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