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39

Service Manual

11. Removal Procedure

11.1 Removal Procedure of Indoor Unit

Warning: Be sure to wait for a minimum of 20 minutes
after turning off all power supplies and discharge the
refrigerant completely before removal.

Steps

Procedure

1. Remove panel

Pull sliding clasps at both sides of panel,
pull out the panel outwards and then
move the panel upwards to remove it.

2. Remove filter sub-assy

Pull the damping clasps at upper/lower
side of filter sub-assy, and then move the
filter sub-assy outwards to remove it.

3. Remove front case

Remove 4 screws fixing the front case,
and then pull the front case outwards to
remove it.

panel

sliding clasps

damping clasps

filter sub-assy

screws

front case

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Summary of Contents for MV-P09BI

Page 1: ...MULTI VARIABLE SERIES CONSOLE MV PxxBI SERVICE MANUAL EN ...

Page 2: ... Original instructions IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference ...

Page 3: ...ed Diagram 7 6 Function and Control 8 6 1 Remote Controller Introduction 8 6 2 Brief Description of Modes and Functions 13 6 4 Ewpe Smart App Operation Manual 16 Part Ⅱ Installation and Maintenance 17 7 Notes for Installation and Maintenance 17 8 Installation 21 8 1 Requirements for Electric Connection 21 8 2 Installation of indoor unit 21 9 Maintenance 28 9 1 Error Code List 28 9 2 Troubleshootin...

Page 4: ...1 Removal Procedure of Indoor Unit 39 Appendix 43 Appendix 1 Reference Sheet of Celsius and Fahrenheit 43 Appendix 2 Configuration of Connection Pipe 43 Appendix 3 Pipe Expanding Method 44 Appendix 4 List of Resistance for Temperature Sensor 45 ...

Page 5: ...1 Service Manual 1 Summary Part Ⅰ Technical Information Indoor Unit MV P09BI MV P12BI MV P18BI Remote Controller YAA1FB8 WiFi 3 2 6 WiFi ...

Page 6: ...n motor running current A 0 15 0 15 0 15 Evaporator Material Aluminum Fin copper Tube Aluminum Fin copper Tube Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ7 Φ7 Φ7 Evaporator Number of Rows 2 2 2 Evaporator Fin Pitch mm 1 3 1 3 1 3 Evaporator Length L X Height H X Width W mm 511X25 4X400 511X25 4X400 511X25 4X400 Motor Model MP24EB MP24AE MP24EB MP24AE MP24EB MP24AE Overload Protector 1 5...

Page 7: ...3 Service Manual 2 2 Noise Curve 20 30 40 45 Indoor side noise when blowing Indoor fan motor rotating speed SS H MH M ML L SL 09K 12K 18K ...

Page 8: ...4 Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 700 215 600 398 205 22 Unit mm ...

Page 9: ...le for 14K 18K model C2 C3 D3 D2 B3 B2 A2 A3 A1 A unit electronic expansion valve B1 B unit electronic expansion valve C1 C unit electronic expansion valve D1 D unit electronic expansion valve A2 A unit gas pipe temperature sensor B2 B unit gas pipe temperature sensor C2 C unit gas pipe temperature sensor D2 D unit gas pipe temperature sensor A3 A unit liquid pipe temperature sensor B3 B unit liqu...

Page 10: ...RXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN 5 8 5 8 7 7 1 1 5 725 2 3 60 3 75 2 9 325 725 3 1 8 20 287 1 7 1 02725 02725 1 0 63 3 63 63 2 5 5 9 5 1 63 1 78 7 03 5220 7 03 6 1625 6 1625 78 57 57 5220 3 35 17 5 8 7 2 5 803 3 287 225 81 7 8 1 6 7 0 6 1 2 1 67 33 1 6 1 83 0 3 6 1 6 7 02725 67 33 1...

Page 11: ...5 Door control interface this is only for the model with this function 6 Interface of EMC shielding wire 7 DC motor interface 8 Earthing wire of main board 9 Terminal of live wire 10 Fuse 11 Terminal for health function 12 Terminal of neutral wire 13 Communication interface between indoor unit and outdoor unit 14 Control interface of Down swing 15 Interface of display board 16 Needle stand of jump...

Page 12: ...t to select operation mode AUTO COOL DRY FAN HEAT Press it to increase temperature setting Press it to decrease temperature setting FAN Press it set swing angle QUIET SWING CLOCK WiFi TEMP TURBO SLEEP LIGHT Press it to set fan speed Press it to set Press it to set auto off auto ontimer Press it set clock 3 15 5 4 14 7 13 12 9 8 11 10 2 1 6 Press it to turn on off the light QUIET function Remote Co...

Page 13: ...efaulted In AUTO mode the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable This button is used for setting Fan Speed in the sequence that goes from AUTO FAN 1 4 3 2 5 Press this button to turn on the unit Press this button again to turn off the unit Press this button to decrease set temperature Holding it down above ...

Page 14: ...factory 2 hours or 3 hours or 8 hours the place of setting temperature 88 will display the corresponding temperature of last setting sleep curve and blink temperature display will resume to original setting temperature ƽ ƽ Sleep3 the sleep curve setting under SLEEP mode by DIY could be inquired The user could accord to sleep curve setting method to inquire the presetting sleep curve enter into use...

Page 15: ...every 0 5 second During blinking after setting press CLOCK button again to confirm the setting and then LIGHT 15 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 is displayed If the light is turned off disappears TURBO 14 WiFi 16 Press this button to activate deactivate the Turbo function which enables the unit ...

Page 16: ...it OFF press MODE and buttons simultaneously to switch between and ć About Back lighting Function 21 Combination of MODE and buttons 18 About switch between Fahrenheit and centigrade Press TEMP and CLOCK simultaneously in COOLmode to start energy saving function Nixie tube on the remote controller displays SE Repeat the operation to quit the function Combination of TEMP and CLOCK buttons About Ene...

Page 17: ...ing 10s later the in door fan stop operation During defrosting and oil returning process and they are quitted within 5mins all malfunctions for indoor tube temperature sensor wont be detected 4 Working process for AUTO mode Mode judgment will be performed every 30s Under AUTO mode standard cooling Tpreset 25ºC 77ºF standard heating Tpreset 20ºC 68ºF and standard fan Tpreset 25ºC 77ºF 1 When Tamb 2...

Page 18: ... OFF are set at the same time at unit OFF the unit will keep stop till ON time reaches In the future s every day the system will operate according to presetting mode till OFF 7 6 Sleep function This mode is only valid in cooling and heating modes The unit will select proper sleep curve to operate according to different set temperature 7 7 Compulsory defrosting function When the unit is turned on i...

Page 19: ...talled register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App 6 4 Ewpe Smart App Operation Manual iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Clo...

Page 20: ...ly grounded The grounding wire cant be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires cant be pressed by hard objects 9 If power...

Page 21: ...unit at the place where there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for electrical connections If the electric wire is not long enough please contact a local service center authorized and ask for a proper electric wire Poor connections may lead to electric shock or fire 8 Use the spec...

Page 22: ...continuous ventilation status should be kept during the operation process Check whether there is fire source or potential fire source in the maintenance area The naked flame is prohibited in the maintenance area and the no smoking warning board should be hanged Check whether the appliance mark is in good condition Replace the vague or damaged warning mark Welding If you should cut or weld the refr...

Page 23: ...troprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 24: ...ay cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 1 Selection of Installation Location There are 2 styles of installation Ceiling type Floor type Each type is similar to the other as follows The indoor unit should be sited in a place where 1 T...

Page 25: ...ay be mounted in any of the three styles shown here Console unit shall be installed on the ground or the position where is 0 3m from the floor Schematic drawing of hooks 200mm 50mm or more 70mm or more 50mm or more Installtion paper plank 3 Refrigerant Piping 1 Drill a hole 65mm in diameter in the spot indicated by the symbol in the illustration ad below 2 The location of the hole is different dep...

Page 26: ... 4 After completing refrigerant piping wiring and drain piping caulk pipe hole gap with putty 5 Drain Piping 1 Use commercial regid polyvinyl chloride pipe general VP 20 pipe outer diameter 26mm inner diameter 20mm for the drain pipe 2 The drain hose outer diameter 18mm at connecting end 220mm long is supplied with the indoor unit Prepare the drain pipe picture below position 3 The drain pipe shou...

Page 27: ...ps in reverse order 3 2 1 Installation Secure using 6 screws for floor installations Do not forget to secure to the rear wall For wall installations secure the mounting plate using 5 screws and the indoor unit using 4 screws The mounting plate should be installed on a wall which can support the weight of the indoor unit 1 Temporarily secure the mounting plate to the wall make sure that the panel i...

Page 28: ...hen tightening the flare nuts to prevent damage to the flare nuts and gas leaks 2 Align the centres of both flares and tighten the flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them fully with the torque wrenches 3 To prevent gas leakage apply refrigeration oil on both inner and outer surfaces in the flare Use refrigeration oil for R32 Caution on Piping Handling 1 Protect the...

Page 29: ...side so it does not place undue force on the front grille 11 Connecting the Drain Hose Insert the supplied C drain hose into the socket of the drain pan Fully insert the drain hose until it adheres to a seat of the socket 12 Wiring With a Multi indoor unit install as described in the installation manual supplied with the Multi outdoor unit Live the sensor securing plate remove the front metal plat...

Page 30: ...ck Doing so may cause electric shock or fire Outdoor unit Indoor unit Firmly fix the wires with the terminal screws Firmly fix the wires with the terminal screws When wire length exceeds 10m use 2 0mmdiameter wires 1 2 3 Terminal block Electrical component box Wire retainer Use the specified wire type Shape wires so that the front metal plate cover will fit securely Firmly secure wire retainer so ...

Page 31: ...ion A5 Outdoor condenser middle pipe temperature sensor is open short circuited Hardware malfunction F4 blinks 4 times Outdoor condenser outlet pipe temperature sensor is open short circuited Hardware malfunction A7 Outdoor discharge temperature sensor is open short circuited Hardware malfunction F5 blinks 5 times Communication malfunction of indoor unit and outdoor unit Hardware malfunction E6 bl...

Page 32: ...rotection of compressor E4 blinks 4 times Overload protection E8 blinks 8 times Complete unit overcurrent protection E5 blinks 5 times Phase current overcurrent protection P5 blinks 15 times Module current protection H5 blinks 5 times 4 way valve commutation malfunction U7 blinks 20 times Complete unit current protection with limiting frequency or lowing down frequency Displayed on the remote cont...

Page 33: ...board is damged Check flow chart Start the troubleshooting for temperature sensor Check whether the temperature sensor and wiring terminal is loosened or poorly connected Insert the temperature sensor well Is mafunction eliminated Is mafunction eliminated Replace temperature with the same mode Check whether the temperature sensor is normal by refering the resistance value of temperature sensor Rep...

Page 34: ...d correctly Is malfunction eliminate Communication malfunction for some indoor unit End No No No Yes Yes Yes Whether the indoor unit resumes normal Disconnect the power and check connection wire for indoor and outdoorunits and wires inside electric box areconnected correctly De energize the unit exchange the communication wirefor the indoor unit with normal communication and the indoor unit with m...

Page 35: ...her the neutral wirefor mainboard of outdoor unit haspower input Connect wire connectly according to wiring diagram Connect wire connectly according to wiring diagram Disconnect the power and check whether theconnection wires between mainboard of outdoorunit and filter palte are connected correctly byreferring to wiring diagram Disconnect the power and check connection wire for indoor and outdoor ...

Page 36: ...her the jumper cap is poorly connected Insert the jumper cap Is malfunction eliminated Re insert the jumper cap Is malfunction eliminated Replace the jumper cap Is malfunction eliminated Check whether the mainbaord ofcontroller is inserted with thejumper cap It s the malfunction of mainboard replacethe mainboard Check ...

Page 37: ...Yes Yes Energize the unit and turn on the unit Afterthe horizontal louver opens for 1 min measurewhether the input DC voltage VDC red wire of motor is300s whether the DC voltageVCC white wire0 is 15V and whether the outputVSP yellow wire is more t han 1 1V The earthingwire is black wire Whether the voltage on motor feedback terminal blue wire is more than 1 1V Pull blade with hand to see whether i...

Page 38: ...Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug After energi...

Page 39: ... drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure all wiring termin...

Page 40: ...e panel Pull sliding clasps at both sides of panel pull out the panel outwards and then move the panel upwards to remove it 2 Remove filter sub assy Pull the damping clasps at upper lower side of filter sub assy and then move the filter sub assy outwards to remove it 3 Remove front case Remove 4 screws fixing the front case and then pull the front case outwards to remove it panel sliding clasps da...

Page 41: ...parts outwards to remove it 5 Remove water tray Remove 2 screws fixing water tray and then pull the water tray outwards to remove it 6 Remove electric box Remove one screw fixing the electric box and then pull the electric box outwards to remove it swing parts screw water tray screws screws electric box ...

Page 42: ...xer of piping outwards to remove it 8 Remove evaporator Pry out the clasps connecting evaporator and bottom case and then pull the evaporator outwards to remove it 9 Remove guide ring Remove 4 screws fixing guide ring and then pull the guide ring outwards to remove it screws guide ring evaporator clasps clasps fixer of piping ...

Page 43: ...acket of motor Remove 3 nuts on fixing bracket of motor and then pull the fixing bracket of motor outwards to remove it 12 Remove press plate of motor wire Loosen clasps between press plate of motor wire and bottom case and then pull the press plate of motor wire outwards to remove it clasps press plate of motorwire nuts fixing bracket of motor centrifugal blade nut ...

Page 44: ...enheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68...

Page 45: ...Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe E Expand t...

Page 46: ... 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 44 6 791 83 1 699 122 0 547 6 36 32 45 6 529 84 1 645 123 0 532 7 34 58 46 6 278 85 1 594 124 0 519 8 32 94 47 6 038 86 1 544 125 0 505 9 31 38 48...

Page 47: ...6 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42 45 8 705 84 2 194 123 0 71 7 46 11 46 8 37 85 2 125 124 0 692 8 43 92 47 8 051 86 2 0...

Page 48: ...0 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 112 2 37 4 198 3 35 32 09 74 7 47 113 2 30 3 199 1 36 30 79 75 7 22 114 2 24 2 178 5 37 ...

Page 49: ...PARTS GUIDE MV P09BI MV P12BI MV P18BI CONSOLE MULTI VARIABLE SERIES 103 ...

Page 50: ...MV P09BI ...

Page 51: ...68131 1 AM 15 Fuse 46010055 1 AB 16 Radiator none 0 17 Signal Wire 4003004202 1 AG 18 Jumper 4202300111 1 AA 19 Main Board 300002000631 1 AY 20 Electric Box 20112116 1 AH 21 Electric Box Assy 100002002848 1 BC 22 Air Louver upper 10512143 2 AB 23 Swing Lever 10582096 2 AB 24 Shaft of Guide Louver 10542020 2 AB 25 Water Tray Assy 20182141 1 AX 26 Air Louver lower 10512144 2 AE 27 Axis lower step mo...

Page 52: ...MV P12BI ...

Page 53: ...68131 1 AM 15 Fuse 46010055 1 AB 16 Radiator none 0 17 Signal Wire 4003004202 1 AG 18 Jumper 4202300112 1 AA 19 Main Board 300002000631 1 AY 20 Electric Box 20112116 1 AH 21 Electric Box Assy 100002002951 1 BC 22 Air Louver upper 10512143 2 AB 23 Swing Lever 10582096 2 AB 24 Shaft of Guide Louver 10542020 2 AB 25 Water Tray Assy 20182141 1 AX 26 Air Louver lower 10512144 2 AE 27 Axis lower step mo...

Page 54: ...MV P18BI ...

Page 55: ...68131 1 AM 15 Fuse 46010055 1 AB 16 Radiator none 0 17 Signal Wire 4003004202 1 AG 18 Jumper 4202300114 1 AA 19 Main Board 300002000631 1 AY 20 Electric Box 20112116 1 AH 21 Electric Box Assy 100002002386 1 BC 22 Air Louver upper 10512143 2 AB 23 Swing Lever 10582096 2 AB 24 Shaft of Guide Louver 10542020 2 AB 25 Water Tray Assy 20182141 1 AX 26 Air Louver lower 10512144 2 AE 27 Axis lower step mo...

Page 56: ......

Page 57: ...ANT MEDIUM This unit is containing fluorinated gases included in the Kyoto protocol The maintenance and the liquidation must be carried out by qualified personnel Type of refrigerant R32 The quantity of the refrigerant please see the unit label The value GWP 675 1 kg R32 0 675 t CO2 eq GWP Global Warming Potential Appliance filled with flammable gas R32 In case of quality problem or other please c...

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