User`s Manual B2V 09,12 - Inventor Air Conditioners
Contents
1. Take down the air filter Lift up the front panel Pull the air filter downwards to take it off as shown in Fig a b ee Clean the air filter Use a vacuum cleaner to remove dust If the filters are dirty wash them with warm water and mild detergent Dry the filters in the shade Note Never use water above 45 to clean the air filter as it may cause deformation or discoloration 3 Reinstall the air filter Reinstall the filters along the direction of arrowhead Close the panel 11 Care and Cleaning C Check before Use Be sure that nothing obstructs the air outlet and inlet Check if the batteries of remote controller are replaced 8 Check if the installation stand of the outdoor unit is damaged If damaged consult the technicians C Maintenance after Use Switch off the power supply O Clean the filters and bodies of indoor and outdoor units Clear obstructions from the outdoor unit 4 Repaint the rubiginous place on the outdoor unit to prevent it from spreading 12 Troubleshooting A CAUTION The air conditioner is not expected to be serviced by users Incorrect repair may cause electric shock or fire so please contact an authorized service center for professional service The following checks prior to contact may save your time and money Phenomenon Troubleshooting The unit does not operate The unit does not operate if it is turne2. 31 35 12 50 55 16 60 65 N E KO K Spanner 2a Torque wrench NOTE Firstly connect the connection pipe to indoor unit then to outdoor unit pay attention to the piping bending do not damage the connection pipe the joint nut couldn t tighten too much otherwise it may cause leakage 21 Installation of Outdoor Unit Electric Wiring 1 Remove the handle on the right side plate of outdoor unit 2 Take off wire clamp Connect the power connection cord to the terminal block Wiring should fit that of indoor unit oer anaie 3 Fix the power connection cord with wire clamp 4 Confirm if the wire has been fixed properly 0912K f Na 2 3 5 Reinstall the handle Taaa blue black brown Indoor unit connection NOTE e Incorrect wiring may cause malfunction of spare part e After the wire has been fixed ensure there is free space between the connection and fixing places on the lead wire Schematic diagram being reference only please refer to real product for authentic information Air Purging and Leakage Test 1 Connect charging hose of manifold valve to charge end of low pressure valve both high low pressure valves must be tightly shut 2 Connect joint of charging hose to vacuum pump Manifold 3 Fully open the handle of Lo manifold valve 4 Open the vacuum pump for vacuumization At the beginning slightl loosen joint nut of
3. Z lt 50cm Abov Space to the wall oem Above lt A 19 Install indoor unit C Install the rear panel 1 Always mount the rear panel horizontally Due to the water tray of indoor unit has been adopted the both way drainage design the outlet of water tray should be adjusted slightly down when installing that is taking the outlet of the water tray as the center of a circle the included angle between the evaporator and level should be 0 or more that is good for condensing water drainage i j Wall Wall 2 Fix the rear panel on the wall with screws al Mark on the middle ofit Z Gradienter Where is pre covered with plastic granula Space 0 3 Be sure that the rear panel has been fixed wall 1 a ia firmly enough to withstand the weight of an above adult of 60kg further more the weight should be evenly shared by each screw Right ohm Le f 05mm Rear piping hole i Rear piping hole Install the piping hole Indoor Outdoor 1 Make the piping hole 55 in the wall at a slight downward slant to the Wall pipe outdoor side 2 Insert the piping hole sleeve into the hole to prevent the connection piping and wiring from being damaged when passing through the hole Seal pad 55 Install the water drainage pipe 1 For well draining the drain hose should be placed at a downward slant Wrenched 2 Do not wrench or bend the
4. and that the refrigerant system will be damaged the compressor and electric components cannot work the voltage should be stable there shouldn t be big fluctuation x Don t leave windows and doors open for a long time while operating the air conditioner It can decrease the air conditioning capacity Be sure to pull out S the power plug as the air conditioner not in use for a long time Otherwise the accumulated dusts that may cause over heating or fire Don t block the air intake or outlet vents of both the outdoor and indoor units It can decrease the air conditioning capacity or cause a malfunction x Never splice the power cord or use O an extended cord It can cause overheating or fire x The power supply must adopt the special circuit that with air switch protection and assure it has enough capacity The unit will be turned on or off according to your requirement automatically please do not turn on or turn off the unit frequently other wise disadvantage effect may be caused to the unit X When having a burning smell or smoke please turn off the power supply and contact with the service center If the abnormity still exists the unit may be damaged and may cause electric shock or fire K Keep combustible spray away from the O units more than 1m It can cause a fire or explosion x Don t attempt to S repair the air conditioner
5. by yourself The wrong repair will lead to an electric shock or fire so you should contact the service center to repair Notices for operation Please don t cut off or damage the X To adjust the airflow direction power cords and control cords appropriately When operating If they are damaged please ask the qualified the unit to adjust the vertical and lateral air personnel to change them flow direction by use of remote controller Swing louver Guide louver S x Don t insert your hands or stick into K Don t blow the wind to animals the air intake or outlet vents and plants directly It can cause a bad influence to them Don t apply the cold wind to K Don t use the air conditioner the body for a long time for other purposes such as It can cause the health problems drying clothes preserving foods etc X Splashing water on the air XK Don t place a space heater conditioner can cause an electric near the air conditioner shock and malfunction Notices for use Working principle and special functions for cooling Principle Air conditioner absorbs heat in the room and transmit to outdoor and discharged so that indoor ambient temperature decreased its cooling capacity will increase or decrease by outdoor ambient temperature Anti freezing function If the unit is running in COOL mode and in low temperature there will be frost formed on the heat exchanger when indoor heat exchanger temperatur
6. cooling 21 15 21 Maximum heating 27 24 18 Minimum heating 20 5 6 The operating temperature range outdoor temperature for cooling unit is 7 C 43 C for cooling and heating unit is 7 43 C Names and functions of each part Indoor unit 1 Power cable 2 Front panel 3 Filter 4 Guide louver 5 Wall pipe 6 Bind tape Outdoor unit 7 Connection wire 8 Drainage pipe 9 Remote contro Operation of Remote Controller Remote Controller Description ON OFF Press it to start or stop operation MODE Press it to select operation mode AUTO COOL DRY FAN HEAT Press it to increase temperature setting Press it to decrease temperature setting FAN Press it to set fan speed Gl Press it to set swing angle TIMER ON Press it to set auto on timer TIMER OFF Press it to set auto off timer Ei CLOCK Press it to set clock X FAN page 8 NOTE X FAN is the alternative expression of BLOW for the purpose of understanding TEMP page 8 TURBO page 8 SLEEP page 8 LIGHT Press it to turn on off the light Operation of Remote Controller FAN ig cos 2 PE SLILIc D O 5858r Ds SOs WOE MODE icon LOCK icon If MODE button is pressed f is displayed by pressing current operation mode icon and buttons simultaneously Press AUTO COOL ih them aga
7. display the setting temperature if the temperature s displaying status is changed from other status to displays the ambient temperature 5s later or within 5s it receives other remote control signal that will return to display the setting temperature if the users haven t set up the temperature displaying status that will display the setting temperature TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed This function is not applicable for some models SLEEP Press this button to go into the SLEEP operation mode Press it again to cancel this function This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortable temperature for you Operation of Remote Controller LIGHT Press LIGHT button to turn on the display s light and press this button again to turn off the display s light If the light is turned on X is displayed If the light is tunrned off 2Q disappears Combination of and buttons About lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked is displayed In this case pressing any button blinks three times Combination of M
8. force and will cause fire or electric shock C Install the indoor unit D External connection electric wire Liquid side piping Gas side pipe The piping can be lead out from right right rear left left rear 1 When routing the piping and wiring from the left or right side of indoor unit cut off the tailings from the chassis in necessary Show in Fig 7 Fig 7 1 Cut off the tailings 1 when routing the wiring only 2 Cut off the tailings 1 and tailings 2 when routing both the wiring and piping 2 Take out the piping from body case wrap the piping electric wire water pipe with tape and pull them through the piping hole As show in Fig 8 Rie Fig 8 3 Hange the mounting slots of the indoor unit on the upper tabs of the rear panel and check if it is firm Fixing hook p enough As show in Fig 9 Ky Mounting 4 The height of the installed location should be 2 5m mo i L or more from the floor D Fig 9 H mg 2 e a Gas side piping Tailing 1 insutation Liquid side Piping insulation Finally wrap it See g with tape Water drainage pipe Right Left rear C Install the connection pipe 1 Align the center of the piping flare with the relevant valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque wrench refer to the following Indoor unit piping Taper nut Piping K Hex nut diameter Tightening torque N m p6 15 20 9 52
9. is not available Check if there is magnetic or electrical interference near the unit that may affecting operation of the controller In this case pull the plug out and fF gt ANS reinsert it 0 9 L__ n Is the remote controller within its operating range or obstructed Check the condition of the batteries and replace them if necessary Check if the remote controller is damaged Water leakage of indoor unit The humidity is high Condensate overflows Drain hose is loose During cooling operation condensate is Water leak f outd nit RIG a ge eay generated around the pipes and connection joints During defrosting operation the thaw water flows out During heating operation the water on the heat exchanger drips out Noise from indoor unit The noise emitted when the fan or compressor relay is switching on or off When the defrosting operation is started or stopped there is a sound of refrigerant flowing in the reverse direction 14 Troubleshooting Phenomenon Troubleshooting Indoor unit can not blow air In HEAT mode when the temperature of indoor heat exchanger is very low air flow is stopped in order to prevent cold air Within 2minutes In HEAT mode when the outdoor temperature is low or humidity is high frost will be formed on the outdoor heat exchanger The unit will defrost automatically and indoor unit will stop blowing air for 3 12minutes During defrosting opera
10. 12 19 or 622 2 016 025 4 or 31 8 Note The additional refrigerant charging amount in Sheet 2 is recommended value not compulsory 26
11. AIR Models ZAV RIRI ZAOZ IN B2VI 12 B2VO 12 O inventor Wall Mounted Unit Your conditions 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 66129912898 CONTENTS Operation and maintenance E Notices for operation E Notices for use E Names and functions of each part Hi Operation of Remote Controller E Emergency operation E Care and Cleaning E Troubleshooting Installation service Notices for Installation Installation Drawing Installation of Indoor Unit Installation of Outdoor Unit Check after Installation and Operation Test Installation and Maintenance of Healthy Filter Optional Configuration of connection pipe and additional volume of refrigerant The figures in this manual may be different with the material objects please refer to the material objects for reference This symbol stands for the items This symbol stands for the items should be forbidden should be followed Do not dispose this product as unsorted municipal waste Collection of such waste separately for special treatment is necessary Notices for operation Please read the following carefully before operating When the voltage is very high the components would be easily damaged when the voltage is very low the compressor vibrates terribly
12. E Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following AUTO gt COOL gt DRY P FAN PHEAT td Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mode the set temperature will not be displayed on the LCD and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable B Press this button to increase set temperature Hold it down for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrease set temperature In AUTO mode set temperature is not adjustable FAN This button is used for setting fan speed in the sequence that goes from AUTO af to adl then back to Auto gt Auto gt a gt a fd gt adl a Low speed M Medium speed aail High speed D z 7 Press this button to set up amp down swing angle which circularly changes as below 3 l gt A Om Jl zA F A x A This remote controller is universal If any command gt fe sl is sent out the unit will carry out the command as SI M aa S indicates the guide louver swings as IS 12 k ek Operation of Remote Controller TIMER ON Press this button to initiate the auto ON
13. ODE and buttons About switch between Fahrenheit and Centigrade At unit OFF press MODE and buttons simultaneously to switch between C and F Replacement of Batteries 1 Remove the battery cover plate from the rear of the remote controller As shown in the figure 2 Take out the old batteries 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity 4 Reinstall the battery cover plate Notes When replacing the batteries do not use old or different types of batteries Otherwise it may cause malfunction If the remote controller will not be used for a long time please remove batteries to prevent batteries from leaking The operation should be performed in its receiving range It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the Sketch map for batteries out and reinsert them after 30 seconds If it still can t operate replacing batteries properly replace the batteries Emergency Operation Emergency Operation When the wireless remote control is lost or damaged please use the manual switch at this time it is running in Auto Run mode that will not change the temperature setting value and fan speed The manual switch can be operated as follow At operation When the unit stopped running press ON OFF button unit will enter into AUTO RUN mode The microcomputer will accord to the room temperature to se
14. al connections may cause electric shock or fire ce Notices for Installation C Earthing Requirements 1 Air conditioner is type electric appliance Please ensure that the unit is reliably earthed 2 The yellow green wire in air conditioner is the earthing wire which can not be used for other purposes Improper earthing may cause electric shock The earth resistance should accord to the national criterion The power must have reliable earthing terminal Please do not connect the earthing wire with the following water pipe Gas pipe Contamination pipe Other place that professional personnel consider is unreliable Including an air switch with suitable capacity please note the following table Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circuit Air conditioner W Air switch capacity O9K 12K 10A 18 Installation dimension diagram Installation dimension diagram a a 5 f Os Space to the ceiling 415cm TT cll Above 5cmAbove Space to the wall The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures e gt v v Q a maaan a2 Space to the obstruction A J Boa Air inlet side
15. d on immediately after being turned off This is to protect the unit You are expected to wait Ay for about 3 minutes Waiting Odours are emitted Some odours may be emitted from the indoor unit This is the result of room smells Such as fe Ny furniture tobacco ect which have been taken lt into the air conditioner Consult authorized service center for cleaning if the odours still exist The swishing noise like water flowing is the sound of refrigerant flowing inside the unit During cooling operation a thin mist may be seen emitted from the indoor unit due to high room temperature and humidity After a period of time the mist will disappear with the decrease of room temperature and humidity This is the sound of friction caused by expansion and or contraction of panel or other parts due to the change of temperature 13 Troubleshooting Phenomenon Troubleshooting The unit can not be started up Is the power cut off Is the power plug loose If applicable Is the circuit protection device tripped off Is voltage higher or lower Tested by professionals Is the TIMER correctly used Is temperature setting appropriate Is the inlet or outlet blocked Is the filter dirty Is the window or the door open Is low fan speed set Are there heat sources in the room Remote controller
16. drain hose or flood its end by water 3 When the long drainage hose passing through indoor should wrap the insulation materials lt Flooded C Connect indoor and outdoor electric wires 1 Open the surface panel 2 Remove the wiring cover Fig6 and then take off wire clamp 3 Route the power connection cord from the back of the indoor unit and pull it toward the front through the wiring hole for connection 4 Connect the power connection cord to the terminal block and then fix the cord with wire clamp 5 Reassemble the clamp and the wiring cover 6 Recover the surface panel Wiring Cover i Naj 21318 black brown yellow green outdoor unit connection 20 Install indoor unit NOTE When connecting the electric wire if the wire length is not enough please contact with the authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire are not allowed The electric wiring must be correctly connected wrong connection may cause spare parts malfunction Tighten the terminal screw in order to prevent loose After tighten the screw slight pull the wire and confirm whether is it firm or not f the earth wire is wrong connection that may cause electric shock The cover plate must be fixed and tighten the connection wire if it is poor installed that the dust moisture may enter in or the connection terminal will be affected by outside
17. e decreased below 0 C the indoor unit microcomputer will stop compressor running and protect the unit Working principle and special functions for heating Principle Air conditioner absorbs heat from outdoor and transmits to indoor in this way to increase room temperature This is the heat pump heating principle its heating capacity will be reduced due to outdoor temperature decrease If outdoor temperature becomes very low please operate with other heating equipments Defrosting When outdoor temperature is low but high humidity after a long while running frost will form on outdoor unit that will effect the heating effect at this time the auto defrosting function will act the heat running will stop for 8 10mins During the auto defrosting the fan motors of indoor unit and outdoor unit will stop During the defrosting the indoor indicator flashes the outdoor unit may emit vapor This is due to the defrosting it isn t malfunction After defrosting finished the heating will recover automatically Anti cool wind function In Heat mode under the following three kinds of state if indoor heat exchanger doesn t arrive at certain temp indoor fan will not act in order to prevent cool wind blowing within 2 mins 1 Heating starts 2 After Auto Defrost finished 3 Heating under the low temperature X Working temperature range Indoor sideDB WB C Outdoor sideDB WB C Maximum cooling 32 23 43 26 Minimum
18. e full weight and vibration 5 Select a dry place but do not expose the unit to direct sunlight or strong wind 6 Make sure that the outdoor unit is installed in accordance with the installation instructions and is convenient for maintenance and repair 7 The height difference between indoor and outdoor units is within 5 m and the length of the connecting tubing does not exceed 10 m 8 Select a place where it is out of reach of children 9 Select a place where the unit does not have negative impact on pedestrians or on the city C Safety Precautions for Electric Appliances 1 A dedicated power supply circuit should be used in accordance with local electrical safety regulations 2 Don t drag the power cord with excessive force 3 The unit should be reliably earthed and connected to an exclusive earth device by the professionals 4 The air switch must have the functions of magnetic tripping and heat tripping to prevent short circuit and overload 5 The minimum distance between the unit and combustive surface is 1 5m 6 The appliance shall be installed in accordance with national wiring regulations 7 An all pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring Note e Make sure the live wire neutral wire and earth wire in the family power socket are properly connected There should be reliable circuit in the diagram Inadequate or incorrect electric
19. ent It may cause condensation Is water drainage satisfactory It may cause water leakage Is the voltage in accordance with the rated It may cause electric malfunction voltage marked on the nameplate or damage the unit Is the electric wiring or piping It may cause electric malfunction connection installed correctly and securely or damage the parts Has the unit been securely earthed It may cause electrical leakage It may cause electric malfunction or damage the parts Is the power cord specified Is the inlet or outlet blocked It may cause insufficient cooling heating Is the length of connection pipes The refrigerant capacity is not accurate and refrigerant capacity recorded S C Operation Test 1 Before Operation Test 1 Do not switch on power before installation is finished completely 2 Electric wiring must be connected correctly and securely 3 Cut off valves of the connection pipes should be opened 4 All the impurities such as scraps and thrums must be cleared from the unit 2 Operation Test Method 1 Switch on power and press ON OFF button on the remote controller to start operation 2 Press MODE button to select the COOL HEAT Not available for cooling only unit FAN to check whether the operation is normal or not 23 Installation and Maintenance of Healthy Filter Optional Installation of Healthy Filter 1 Lift up the front panel fr
20. f Max length of Capacity i Capacity i connection pipe connection pipe 5000 Btu h 24000 Btu h 1465 W 7032 W 25 7000 Btu h 28000 Btu h 2051 W 8204 W 30 9000 Btu h 36000 Btu h 2637 W 10548 W 12000 Btu h 42000 Btu h 3516 W 12306 W 18000 Btu h 48000 Btu h 5274 W 14064 W 4 The calculation method of additional refrigerant oil and refrigerant charging amount after prolonging connection pipe After the length of connection pipe is prolonged for 10m at the basis of standard length you should add 5ml of refrigerant oil for each additional 5m of connection pipe The calculation method of additional refrigerant charging amount on the basis of liquid pipe 1 Additional refrigerant charging amount prolonged length of liquid pipe x additional refrigerant charging amount per meter 2 When the length of connection pipe is above 5m add refrigerant according to the prolonged length of liquid pipe The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe See Sheet 2 25 Configuration of connection pipe and additional volume of refrigerant Sheet 2 Additional refrigerant charging amount for R22 R407C R410A and R134a Diameter of connection pipe mm Indoor unit throttle Outdoor unit throttle Liquid pipe Gas pipe Cooling only Cooling only Cooling and cooling and heating heating g g m m 09 5 or 012 20 20 6 or 09 5 016 or 019
21. g please contact with local authorized maintenance center If the unit is not installed by the authorized service center the malfunction may not be solved due to incovenient contact between the user and the service personnel When removing the unit to the other place please firstly contact with the local authorized service center Warning Before obtaining access to terminals all supply circuits must be disconnected 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 6 The appliance must be positioned so that the plug is accessible 7 The temperature of refrigerant line will be high please keep the interconnection cable away from the copper tube 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 responsible for their safety Children should be supervised to ensure that they do not play with the appliance C Installation Site Instructions Proper installation site is vital for correct and efficient operation of the unit Avoid the following sites where Strong heat sources vapours flammable gas or volatile liquids are emitted High frequency electro magnetic waves are generated by radio equipment welders and med
22. ical equipment Salt laden air prevails such as close to coastal areas The air is contaminated with industrial vapours and oils The air contains sulphures gas such as in hot spring zones Corrosion or poor air quality exists Notices for Installation C Installation Site of Indoor Unit The air inlet and outlet should be away from the obstructions Ensure the air can be blown through the whole room Select a site where the condensate can be easily drained out and where it is easily connected to outdoor unit Select a place where it is out of reach of children Select a place where the wall is strong enough to withstand the full weight and vibration of the unit Be sure to leave enough space to allow access for routine maintenance The installation site should be 250cm or more above the floor Select a place about 1m or more away from TV set or any other electric appliance Select a place where the filter can be easily taken out Make sure that the indoor unit is installed in accordance with installation dimension instructions Do not use the unit in the laundry or by swimming pool etc C Installation Site of Outdoor Unit D 1 Select a site where noise and outflow air emitted by the unit will not annoy neighbors 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand th
23. in to clear the display DRY FAN or x HEAT SET TIME display is only for heat pump models After pressing TIMER button ON aa OFF will blink Thi ill SLEEP icon or will blink This area wi show the set time 20 G is displayed by pressing the SLEEP button Press this TURBO icon is displayed when pressing the TURBO button Press this button button again to clear the display TEMP icon Pressing TEMP button 4 set temperature lt indoor again to clear the display DIGITAL display This area will show the set tempe ambient temperature A rature In SAVE mode SE will be outdoor ambient temperature displayed During defrosting opera and blank is displayed circularly tion H1 will be displayed Up amp down swing icon X FAN icon 3I is displayed when pressing c is displayed when pressing the the up amp down swing button X FAN button Press this button Press this button again to clear the again to clear the display display FAN SPEED display LIGHT icon Press FAN button to select the desired fan speed setting AUTO 20 is displayed by pressing the Low Med Hioh Y an Med High Your selection wil LIGHT button Press LIGHT button pe dies eve E eles again to clear the display except the AUTO fan speed Operation of Remote Controller Remote Controller Description ON OFF Press this button to turn on the unit Press this button again to turn off the unit MOD
24. lect the COOL HEAT FAN mode automatically to obtain the comfortable effect AUTO STOP Manual Switch At stopping When the unit is running press the ON OFF button of the manual switch the unit will stop work The code switch can be operated as follow At operation When the unit is stopped running adjust the code switch to AUTO the unit will enter into AUTO RUN mode The microcomputer will accord to the room temperature to select the COOL HEAT FAN mode automatically to obtain the comfortable effect Code Switch only for some models At stopping When the unit is running adjusts the code switch to STOP position the unit will stop work 10 Care and Cleaning Nes e Disconnect the power supply before cleaning and maintenance e Do not splash water on the units for cleaning as electric shocks may occur e Wipe the units with a dry soft cloth or a cloth slightly moistened with water or cleaner not with volatile liquid such as thinner or gasoline Cleaning the Front Panel Remove the front panel Dip a piece of cloth into the water colder than 45 C and dry it Then wipe the dirty part of front panel Note Do not immerse the front panel into water so as to protect microprocessor components and circuit diagram on the front panel Cleaning the Air Filter every 3 months Note Do not touch the fin of indoor unit during cleaning to avoid personal injury
25. low pressure valve to check if there is air coming inside If noise of vacuum pump has been changed the reading of multimeter is 0 Then tighten the nut Vi 5 Keep vacuuming for more than 15mins and make Ex cod sure the reading of multi meter is 1 0 x 10 pa Low pressure valve 76cmHg 6 Fully open high low pressure valves 7 Remove charging hose from charging end of low pressure valve 8 Tighten lid of low pressure valve As shown in Fig 10 yuiimeter acuum pump Fig 10 C Outdoor Condensate Drainage only for Heat pump unit During heating operation the condensate and defrosting ER water should be drained out reliably through the drain hose Drain water hole Install the outdoor drain connector in a 42 hole on pein rene the base plate and attach the drain hose to the connector Drain plug x so that the waste water formed in the outdoor unit can be san Drain soon Hose available commercially drained out The hole diameter 42 must be plugged inner dia 16mm Whether to plug other holes will be determined by the dealers according to actual conditions 22 Check after Installation and Operation Test 4 Check after Installation Items to be checked Possible malfunction Has the unit been fixed firmly The unit may drop shake or emit noise Have you done the refrigerant leakage test It may cause insufficient cooling heating Is thermal insulation suffici
26. om its two ends as shown by the arrow direction and then remove the air filter as shown in Fig a 2 Attach the healthy filter onto the air filter as shown in Fig b 3 Install the air filter properly along the arrow direction in Fig c and then close the panel C Cleaning and Maintenance Remove the healthy filter and reinstall it after cleaning according to the installation instruction Do not use brush or hard objects to clean the filter After cleaning be sure to dry it in the shade C Service Life D The general service life for the healthy filter is about one year under normal condition As for silver ion filter it is ineffective when its surface becomes black green eThis supplementary instruction is provided for reference to the unit with healthy filter If the graphics provided herein are different from the actual product please refer to the actual product The quantity of healthy filters is based on the actual delivery 24 Configuration of connection pipe and additional volume of refrigerant 1 Standard length of connection pipe 5m 7 5m 8m 2 Min length of connection pipe For the unit with standard connection pipe of 5m there is no limitation for the min length of connection pipe For the unit with standard connection pipe of 7 5m and 8m the min length of connection pipe is 3m 3 Max length of connection pipe Sheet 1 Max length of connection pipe Unit m Max length o
27. timer To cancel the auto timer program simply press this button again After pressing this button D disappears and ON blinks 00 00 is displayed for ON time setting Within 5 seconds press or button to adjust the time value Every press of either button changes the time setting by 1 minute Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes Within 5 seconds after setting press TIMER ON button to confirm EJ TIMER OFF Press this button to initiate the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as TIMER ON CLOCK B Pressing CLOCK button a blinks Within 5 seconds pressing or button adjusts the present time Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0 5 second and then by 10 minutes every 0 5 second During blinking after setting press CLOCK button again to confirm the setting and then as will be constantly displayed X FAN Pressing X FAN button in COOL or DRY mode the icon ab is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode TEMP Press this button could select displaying the indoor setting temperature or indoor ambient temperature When the indoor unit firstly power on it will
28. tion water or vapour may be emitted In DRY mode the indoor fan will stop blowing air for 3 12 minutes in order to avoid condensate being vaporised again Moisture on air outlet If the unit operates at high humidity for a long time moisture will be generated on the air outlet grill and then drip off Malfunction of connector jumper Check if the connector jumper contacts properly If the PCB is to be replaced please take off the old for the new PCB Malfunction of indoor ambient temperature Check if indoor room temperature sensor is sensor connected properly Malfunction of evaporator temperature Check if the evaporator temperature is sensor connected properly Defrosting It is normal N If any one of the following situations occurs immediately stop all operations J cut off the power supply and contact the authorized personnel There is harsh sound during operation Strong odours are emitted during operation e Water is leaking from the unit The air switch or protection switch often trips ae Stop operation and cut off the power supply Water or other liquid is splashed into the unit Power cord and power plug is overheating 15 Notices for Installation C Caution The unit should be installed only by authorized service center according to local or government regulations and in compliance with this manual Before installin
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