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Maxon MXI 09HC001, Service Manual

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Maxon MXI 09HC001 Service Manual Download Page 1

Split air conditioner

Wall mounted Type

Service manual

MXI 18HC001

-

/ MXO-18HC001

MB FRIGO Grupa d.o.o., Bani 81, 10010 Zagreb, tel: 01/66 08 002, fax: 01/66 08 005

www.maxon.com.hr, e-mail: [email protected]

Summary of Contents for MXI 09HC001

Page 1: ...Split air conditioner Wall mounted Type Service manual MXI 18HC001 MXO 18HC001 MB FRIGO Grupa d o o Bani 81 10010 Zagreb tel 01 66 08 002 fax 01 66 08 005 www maxon com hr e mail maxon mbfrigo hr ...

Page 2: ...precautions Installation Block diagram Trouble shooting Fault diagnosis by symptom Control specification To disassemble mechanical parts Exploded views and parts list Wiring diagrams 2 2 2 2 11 11 12 12 13 13 17 17 21 21 25 25 41 41 ...

Page 3: ...unding area 1 2 Location of indoor unit A place solid enough to bear the weight of the unit and not cause any shake Good ventilation less dust far from direct rain and sunshine Avoid places close to inflammable gas leakage Keep the air inlet and outlet at a far distance from the blockage Keep the height distance between the indoor and outdoor unit at most 5m Mount on the wall solid enough to bear ...

Page 4: ... pipeline on the thin armor plate or on the wall of metal mesh you should use the wooden board to clamp between the wall and the pipeline or wrap up the pipeline with 7 8 layers of insulating plastic tape left 100mmÒÔÉÏ above 300mm above 500mm above 300mm above 500mm above 500mm INSTALLATION Installation diagram of indoor unit and outdoor unit Confirm the installation position by the mark of the i...

Page 5: ...l NOTICE Fasten string at the central hole 105mm or more from sidewall 455mm or more at least 250mm from sidewall Tapping screw ST4 25 5 mounting plate plumb 40mm at least 24mm plumb fasten string at the central hole 105mm 45mm Center of hole 65mm plumb NOTICE The holes at solid arrow position must be secured to avoid the shake of mounting plate When the expansion bolts are used two holes 11 20 or...

Page 6: ... of the indoor unit cut part 2 of the unit If pipe comes out of the left side of the indoor unit cut part 3 of the unit Installation of the drain hose 3 Drain hose gaspipe Liquid pipe felt Adiabatic underlay drain hose If pipe comes out of the left side of the indoor unit the drain hose must be refitted otherwise water leakage may occur Refit methods Interchange the position of drain hose and drai...

Page 7: ...sition of the pipe in the indoor unit should not exceed 10 The number of bent position of the pipe in the indoor unit and the outdoor unit should not exceed 15 The radius of bent position should be more than 10cm Evaporator craft tube Do not exhaust the inside air just by loosing the nut since there is the air of certain pressure inside the tube of indoor unit Please do not make extra effort for f...

Page 8: ...Piping cover Ejecting hole Right wiring Back wiring Sponge Piping cover 2 Loosen the self tapping screws 2 pcs on the fixing clip to loosen the fixing clip 5 Install the maintenance board After the pipes and cable wire are installed please seal the sponge block as per drawing indication 3 Loosen the fixing screw of the wire terminal board pass the power wire and signal wire through the fixing clip...

Page 9: ...sition otherwise fire or electrical shock may occur because of dust or moisture The connecting cables must be clipped together Please take the electric circuit diagram attached to the indoor outdoor units as major reference while installing The power wire and signal wire between the indoor outdoor units must be connected one by one as per corresponding number on the wiring terminal board All the m...

Page 10: ...the cap of both gas shut off valve and liquid shut off valve as well as the nut of service port Use Allen wrench to turn the valve cork of liquid side at 90 counter clockwise and close it after 10 seconds Use soapy water to check the gas leakage especially at all joint If there is no gas leakage please turn the valve cork of liquid side at 90 counter clockwise again Press the cork of service port ...

Page 11: ...rant L the length of connecting pipe 6 7 0 0 8 15 50 9 30 100 10 45 150 The length of connecting pipe m Cool only type added amount g Heat pump type added amount g INSTALLATION Set the unit to cool operation mode Stop operation of the air conditioner Relocation of the air conditioner Refer to this procedure when the unit is relocated 1 Carry out the pump down procedure 2 Remove the power cord 3 Di...

Page 12: ...ton Switch on the power Check switch source and then the operation test is activated If the indicator lamps light up at first and then go out in succession or the LED window of the indoor unit illuminates at first and then goes out the system is under normal operation If one of the indicator lamps is flashing at all times or failure codes are displayed on the LED window of the indoor unit the syst...

Page 13: ... operation is automatically controlled in DRY mode depending on the room temperature and humidity Compressor of the outdoor unit is operating although it is turned off in HEAT mode When the unit is turned off while de ice is activated the compressor continues operation for up to 10 minutes maximum until the deice is completed Timer indicator lamp lights up and the air conditioner does not operate ...

Page 14: ...od Air conditioning burden is not adequate for the room The capillary pipeline are blocked or the valve is not open or the connecting tube is folded flat The doors and windows are not closed well too weak of input cooling power or too many heat resources in the room Some leakage in the valve No cooling The four way valve error Blockage in the system The valve isnot completely open the capillary or...

Page 15: ...s too dirty Air conditioning burden is not adequate for the room Accumulated lampblack or dust is attached to the vane The capillary pipeline are blocked or the valve is not open or the connecting tube is folded flat The doors and windows are not closed well too weak of input cooling heating power Some leakage in the valve No heating The four way valve or solenoid valve faults The four way valve d...

Page 16: ...ieces deform due to expansion when hot and shrink when cold Or some spare parts may not match very well Noise from Outdoor unit Collision sound of the machine Collision of the pipeline fixing screws loose or deform caused by rubbing Inappropriate installation method the unit does not match with the installation kit very well or the compressor quivers acutely The whole unit resonates thedoor and wi...

Page 17: ...ch jumps to turn off Is the voltage of power supply lower than 15 of rated voltage 220V Yes The voltage islow please add manostat Short circuit somewhere Partially short circuit in some components Fuse capacity is adequate or not Yes No No Replace with adequate fuse Check as the above mentioned method Short circuit in the electric wire or connection wire Without any response Check whether the rece...

Page 18: ...mpressor start running If not either the outdoor fan or compressor could start The four way valve keeps being off all the time at cool mode If the horizontal air flow louver is set at low angle on COOL mode after a while it will auto swing to its maximum angel for system protection 3 minutes later the horizontal air flow louver will resume to its original position Condensate dew prevention Anti ic...

Page 19: ... on the electric heat key e PT 50 Conditions for terminating electric heat function a PT 50 b RT 26 c The indoor fan stops running d Turn off the electric heat key e Mode change Conditions for terminating electric heat function a PT 50 b RT 26 c The indoor fan stops running d Turn off the electric heat key e Mode change OT 15 4 COMP ON OFF OFAN ON OFF ON OFF 4 way valve TIME 30S 15S 30S 15S 10 min...

Page 20: ...speed can not be controlled by remote controller CONTROL SPECIFICATION AUTO MODE Mode Mode 24 26 RT 2 RT 2 Cool Cool Dry RT 2 RT 2 Dry Heat 24 21 Room Temperature RT RT 26 25 RT 23 RT 23 26 RT 25 Heat pump type Cool only type Initial Setting Temperature Initial Setting Temperature In this mode the air conditioner can automatically adjust the room temperature to decide the most suitable temperature...

Page 21: ... of operation the set temperature will increase by 1 One hour later the set temperature will increase by 1 once more The unit will then continue operating at 2 above the set temperature B After one hour of operation the set temperature will decrease by 2 One hour later the set temperature will decrease by 2 once more The unit will then continue operating at 4 below the set temperature Sleep mode i...

Page 22: ...act the second finger to the left and right handle and pull to open the inlet grille 3 Draw away signal line 6 Put hands at the two ruts of the body then pull the front panel out 5 Loosen two fixing screw of front grille 4 Take the left and right filter out TO DISASSEMBLE MECHANICAL PARTS 21 The following pictures taking series as an example are presented just for the purpose of illustration AUS 0...

Page 23: ...oftly the indoor pipe temperature sensor out from the pipe casing tepping motor line and p No Parts Procedure Remark 3 Push the hook outside to take the electrical box out easily 2 Electrical parts 3 Ass y tray drain 1 Push the left and right hooks to make the ass y pulled out 22 TO DISASSEMBLE MECHANICAL PARTS ...

Page 24: ...tray drain from the body 1 Push the left hook and separate the left part out of evaporator 1 Separate the fan motor from the fan No Parts Procedure Remark 2 Push the right hook and separate the right part out of evaporator 5 Fan motor and cross fan 23 TO DISASSEMBLE MECHANICAL PARTS ...

Page 25: ...e nut flange Turn to the right to remove as it a left turned screw 1 Loosen the fixing screw of the base electrical control 2 Fan motor propeller fan 3 3 Loosen the fixed screw of fan motor separate the fan motor from outdoor unit No Parts Procedure Remark Ass y control out 2 separate the connector 3 Separate the ass y control out from the outdoor unit 24 TO DISASSEMBLE MECHANICAL PARTS ...

Page 26: ...25 Indoor unit X 1 2 3 AUS 18C H 53R220Dx AUS 12C H 53R130Dx AUS 18C H 53R120Dx AUS 09C H 53R130Dx AUS 18H53R230Dx Exploded Views and Parts List ...

Page 27: ...port 1 9 Connecting cable clip 1 32 Oil bearing 1 10 Indoor unit terminal block 1 33 Screw cover 3 11 Transformer 1 12 Main Control board 1 13 Pipe temperature sensor 1 14 Room temperature sensor 1 15 Electrical control box 1 16 Power supply cord 1 17 Electrical control cover2 1 18 Electrical control cover1 1 19 Enclosure 1 21 LED plastic support 1 D1 control Indoor display panel 23 22 Front panel...

Page 28: ...Outdoor unit Exploded Views and Parts List 27 AUS 09C53R130Dx AUS 12C53R130Dx ...

Page 29: ...eft handle 1 7 Left back side board 1 8 Condenser 1 9 Back cover 1 10 Fixed board 1 11 Top cover 1 12 Fan motor capacitor 1 13 Capacitor for Compressor 1 14 Electrical install board 1 15 Capacitor fixing clip 1 16 Outdoor unit terminal block 1 17 Power supply cord clip 1 18 Right handle 1 19 Right back side board 1 20 Capillary assembly 1 21 High pressure valve 1 22 Low pressure valve 1 23 Valve b...

Page 30: ...Exploded Views and Parts List 29 Outdoor unit AUS 09H53R130Dx AUS 12H53R130Dx ...

Page 31: ...cover 1 7 Left back side plate 1 8 Condenser 1 9 Right back side plate 1 10 Right handle 1 11 Fan motor capacitor 1 12 Capacitor for Compressor 1 13 Electrical install board 1 14 Outdoor unit terminal block 1 15 Power supply cord clip 1 16 Outdoor fan motor supporter 1 17 Outdoor fan motor 1 18 Four way valve 1 19 Capillary assembly 1 20 High pressure valve 1 21 Valve board 1 22 Low pressure valve...

Page 32: ...Outdoor unit X 1 2 3 Exploded Views and Parts List 31 AUS 18C53R220Dx ...

Page 33: ...n motor 1 7 Outdoor fan motor supporter 1 8 Condenser 1 9 Left back side plate 1 10 Right back side plate 1 11 Service panel 1 12 Electrical install board 1 13 Capillary assembly 1 14 Outdoor unit terminal block 1 15 Fan motor capacitor 1 16 Capacitor for compressor 1 17 Capacitor fixing clip 1 18 Partition 1 19 Low pressure valve 1 20 High pressure valve 1 21 Valve board 1 22 Bottom board 1 23 Co...

Page 34: ...Outdoor unit Exploded Views and Parts List 33 X 1 2 3 AUS 18H53R220Dx ...

Page 35: ... 7 Outdoor fan motor supporter 1 8 Condenser 1 9 Left back side plate 1 10 Right back side plate 1 11 Service panel 1 12 Electrical install board 1 13 Outdoor unit terminal block 1 14 Fan motor capacitor 1 15 Capacitor for compressor 1 16 capacitor fixing clip 1 17 Four way valve 1 18 Partition 1 19 Capillary assembly 20 High pressure valve 1 21 Low pressure valve 1 22 Valve board 1 23 Bottom boar...

Page 36: ...Outdoor unit Exploded Views and Parts List AUS 18C53R120Dx X 1 2 3 35 17 15 14 1 24 1 2 3 4 5 16 13 12 11 10 9 8 7 6 20 21 22 23 18 19 ...

Page 37: ...tor supporter 1 7 Power supply cord clip 1 8 Outdoor unit terminal block 1 9 Electrical install board 1 10 Capacitor for compressor 1 11 Capacitor fixing clip 1 12 Fan motor capacitor 1 13 Condenser 1 14 Left back side plate 1 15 back cover 1 16 Top cover 1 17 Right back side plate 1 18 Compressor 1 19 Bottom board 1 20 Capillary assembly 1 21 High pressure valve 1 22 Low pressure valve 1 23 valve...

Page 38: ...Exploded Views and Parts List Outdoor unit AUS 18H53R120Dx X 1 2 3 37 19 18 23 22 21 20 24 6 7 8 9 10 11 12 13 16 5 4 3 2 1 1 14 15 17 25 ...

Page 39: ...ter 1 7 Power supply cord clip 1 8 Outdoor unit terminal block 1 9 Electrical install board 1 10 Capacitor for Compressor 1 11 Capacitor fixing clip 1 12 Fan motor capacitor 1 13 Condenser 1 14 Left back side plate 1 15 back cover 1 16 Top cover 1 17 Right back side plate 1 18 Compressor 1 19 Bottom board 1 20 Capillary assembly 1 21 High pressure valve 1 22 Low pressure valve 1 23 valve board 1 2...

Page 40: ...Outdoor unit Exploded Views and Parts List AUS 18H53R230Dx X 1 2 3 39 ...

Page 41: ...fan motor supporter 1 8 Terminal cover cushion 1 9 Compressor terminal cover 1 10 Condenser 1 11 Partition 1 12 Left back side plate 1 13 Capacitor for compressor 1 14 Capacitor fixing clip 1 15 Fan motor capacitor 1 16 Right back side plate 1 17 Handle 2 18 Electrical install board 1 19 Power supply cord fixing 1 20 Outdoor unit terminal block 1 21 Capillary assembly 1 22 Four way valve 1 23 Low ...

Page 42: ...Wiring Diagrams Indoor unit AUS 09C53R130Dx X 1 2 3 Outdoor unit ROOM THERMISTOR PIPE THERMISTOR OUTDOOR UNIT WIRING DIAGRAM 41 AUS 12C53R130Dx X 1 2 3 AUS 09C53R130Dx X 1 2 3 AUS 12C53R130Dx X 1 2 3 ...

Page 43: ...Wiring Diagrams Indoor unit IFAN Outdoor unit 42 AUS 09H53R130Dx X 1 2 3 AUS 12H53R130Dx X 1 2 3 AUS 09H53R130Dx X 1 2 3 AUS 12H53R130Dx X 1 2 3 ...

Page 44: ...Wiring Diagrams Indoor unit AUS 18C53R220Dx X 1 2 3 Outdoor unit AUS 18C53R220Dx X 1 2 3 ROOM THERMISTOR PIPE THERMISTOR 43 ...

Page 45: ...Wiring Diagrams Indoor unit AUS 18H53R220Dx X 1 2 3 Outdoor unit AUS 18H53R220Dx X 1 2 3 44 IFAN ...

Page 46: ...Wiring Diagrams Indoor unit X 1 2 3 Outdoor unit X 1 2 3 45 AUS 18C53R120Dx ROOM THERMISTOR PIPE THERMISTOR AUS 18C53R120Dx ...

Page 47: ...Wiring Diagrams Indoor unit X 1 2 3 Outdoor unit X 1 2 3 46 AUS 18H53R120Dx AUS 18H53R120Dx IFAN ...

Page 48: ...Wiring Diagrams Indoor unit X 1 2 3 Outdoor unit X 1 2 3 47 AUS 18H53R230Dx AUS 18H53R230Dx IFAN ...

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