Split air conditioner Wall mounted Type Service manual
Contents
1. Indoor unit AUS 18H53R230Dx 1 2 3 INDOOR UNIT WIRING DIAGRAM LOUVER FAN MOTOR MOTOR MES SOURCE REMOTE BRN CONTROLLER 8 BLU T L i YUW GRN GN STM CNPG CN IFAN il CN DISP1 CE ELECTRONIC CONTROL BLU tN 2 RECEIVER P C BOARD COMPRESSOR er amp DISPLAY RED 3 ir BOARD RT TRANS TRANS OT CN N1 dab 29 256 ES BY ROOM THERM STO BLOCK RED PIPE THERMISTOR gr CONNECTOR D TRANSFORMER BK Note If the wrappage of fan motor is plastic then is not grounded wire Outdoor unit AUS 18H53R230Dx 1 2 3 OUTDOOR UNIT WIRING DIAGRAM ____ YLW GRN D BLU D TO INDOOR T BLU RUN 12 war CAPACITOR UNIT WHT 1 3 BLU 4 BLU TERMINAL BLOCK SOLENOIDE COIL BLK a BLK WHT RED CONNECTOR COMPRESSOR 5 BLK MOTOR 0 D THERMISTOR FAN MOTOR2. 31 Exploded Views and Parts List Outdoor unit AUS 18C53R220Dx 1 2 3 Quantity o lt 1 gt 2 D m Bottom board mme p 1 1 1 1 4 ish Part ressor UJ o 8 c o amp a 0 1 2 3 5 6 7 8 9 0 1 2 3 1 1 1 1 1 2 2 2 2 I D 2 D Exploded Views and Parts List Outdoor unit AUS 18H53R220Dx 1 2 3 Exploded Views and Parts List Outdoor unit AUS 18H53R220Dx 1 2 3 Quantit nglish Part Name Quantity lt 1 Air outlet grille 1 gt D m 3 Right front plate lt 5 gt 5 7 Outdoor motor supporte 2 1 1 1 1 1 1 1 1 1 1 2 2 2 4 B glish Part Name board mpressor 2 2 0 1 2 3 4 5 6 7 8 9 0 1 2 3 5 6 34 Exploded Views and Parts List Outdoor unit AUS 18C53R120Dx X21 2 3 35 Exploded Views and Parts List Outdoor unit AUS 18C53R120Dx 1 2 3 1 aroutet Ta Outdoor unian
3. Exploded Views and Parts List Outdoor unit AUS 18H53R230Dx X21 2 3 gt g NS 5 2 4 5 SS T 13 14 p Exploded Views and Parts List Outdoor unit AUS 18C53R230Dx 1 2 3 No English Part Quantity No English Part avanti z emwme 3 t a 3 d 3 1 3 Ferminalovercustin s compressorteminalcover 3 parn aperos 0 3 3 1 is Fanmotorcapactor 3 3 e o Powersupply eorting 1 20 outdoor uniterninalbice 3 mjeemymemy az forsyne 3 3 3 apam 1 1 1 t 40 eX Wiring Diagrams Indoor unit AUS 09C53R130Dx X21 2 3 AUS 12C53R130Dx X71 2 3 INDOOR UNIT WIRING DIAGRAM pau i ub YLW GRN HM TT YLW GRN
4. MAXIMUM OF AIR CONDITIONING Split air conditioner Wall mounted Type Service manual MXI 18HC001 MXO 18HC001 MB FRIGO G R U P A d o o 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 5 Sog Rm 1 Safety 2 2 Doro bete toe 2 Block 11 Trouble SHOOTING 12 Fault diagnosis by 13 Control 17 disassemble mechanical parts 21 Exploded views parts list 25 Wiring diagrams SAFETY PRECAUTIONS The following safety precautions must betaken when using yourair conditioner 1 Warning Prior to repair disconnect the power cord 2 Use properparts use onlyexact replacement parts Also we recommendreplacing parts rather than repairing them 3 Use the proper tools usethe proper toolsand test equipment know howto use them Using defective tools ortest equipment may cause problems later intermittent contact for example 4 Power cord prior to repair check the power cord andreplace it ifnecessary 5 Avoid using anextension cord andavoid tapping intoa power cord This practice may result in mal
5. CN STM CN PG CN IFAN COMPRESSOR 15 1 RELAY ELECTRONIC CONTROL BU P BOARD 3 2 WHT OUTDOOR a a EN TRANS CN N1 gt 3 UNIT 2 BLU GL ROOM THERMISTOR TERMINAL YLW GRN qe LG BLOCK PIPE THERMISTOR E TRANSFORMER Note f the wrappage of fan motor is plastic then is not grounded wire AUS 09C53R130Dx X71 2 3 AUS 12C53R130Dx X71 2 3 Outdoor unit OUTDOOR UNIT WIRING DIAGRAM TERMINAL BLOCK BLU TO INDOOR N UNIT WHT RUN 2 XN CAPACITOR YLW GRN WHT RED BLU S G R COMPRESSOR MOTOR iL I YOU GRN FAN MOTOR 41 Wiring Diagrams Indoor unit AUS 09H53R130Dx X71 2 3 AUS 12H53R130Dx X71 2 3 INDOOR UNIT WIRING DIAGRAM LOUVER FAN MOTOR SOURCE MOTOR ONTROLLER BRN BLU L yoru N YLW GRN NY MTA GN STM GR PG CN IFAN 3 1 6 CN DISP1 ELECTRONIC CONTROL i BLU RECEIVER P C BOARD compressor WHT Py RELA
6. Blockage in The v Pipeli alve isnot completely open the capillary or ne is halfblocked the system 14 Connecting tube isfolded flat FAULT DIAGNOSIS BY SYMPTOM Fixing bolts somewhere may loose orrub some of the machine spare parts maynot match very well Noisy Flowing sound Refrigerant circulation orpressure change of of the liquid refrigerant while switch on off Noise from indoor unit Sound of the Vane imbalanceor distortion rupture loose running fan motor screw of vane Sound of plastic Plastic pieces deformdue to expansion when pieces rubbing or hot and shrinkwhen cold Orsome spare parts deforming may not match very well Collision sound Collision of thepipeline fixing screwsloose or of the machine deform caused byrubbing Oscillation Inappropriate installation method the unit sound does not match with the installation kit very well Noise m or the compressorquivers acutely Outdoor unit Sound of running Vane imbalanceor distortion fan motor Sound made by Refrigerant circulation orvane distortion cooling operation Sound of running Something wrong with the compressor such as compressor oil shortage valveslice distortion The unit doesnot match withthe installation kit very well Resonance sound The whole unitres
7. 5 Loosen two fixing screw of front grille 6 Put hands at the two ruts of the body then pull the front panel out DISASSEMBLE MECHANICAL PARTS Electrical 1 Loosen the earth screw in parts evaporator 2 Loosen the stepping motor line and pull softly the indoor pipe temperature sensor out from the pipe casing 3 Push the hook outside to take the electrical box out easily 4 Separate the electrical box from the indoor unit Ass y tray 1 Push the left and right hooks drain to make the ass y pulled out DISASSEMBLE MECHANICAL PARTS mim ue 2 Separete the ass y tray drain from the body 1 Push the left hook and separate the left part out of evaporator 2 Push the right hook and separate the right part out of evaporator Evaporator 3 Separate the evaporator from the indoor unit 5 Fan motor and 1 Separate the fan motor from the fan DISASSEMBLE MECHANICAL PARTS Outdoor unit oo e RN 1 Cabinet 1 Turn off the unit and remove the power cable 2 Remove the upper cabinet the front cabinet and back cabinet 2 Fan motor amp 1 Remove the nut flange propeller fan Turn to the right to remove as ita left turned screw 2 separate the propeller fan from fan motor 3 Loosen the fixed screw of fan motor separate the fan motor from outdoor unit Ass y control 1 Loosen the fixing screw of out the base electrical control 2 separate the c
8. fuse Strong circuit breaks the circulation The transformer faults power or not The main control board Power supply error faults 16 CONTROL SPECIFICATION ABBREVIATION ST Setting Temperature PT Indoor coil Pipe Temperature RT Room Temperature OT Outdoor coil pipe temperature OFAN Outdoor fan IFAN Indoor fan COMP Compressor Z OPERATION OF MAIN BOARD COOL MODE The ST at cool modeis adjustable within16 C 31 C When RTZST both the compressorand the outdoorfan start When RT lt ST 1 C the compressorstops 18seconds later the outdoor fan will stop But the indoorfan keeps runningat predetermined speed Once turning onthe unit while set at cool mode the indoorfan immediately runsat predetermined speed ifall the conditions meet with therequirement of compressor operation both the outdoor fan and compressor start running not eitherthe outdoor fan or compressorcould start The four way valvekeeps being off all the time at cool mode Condensate dew prevention If the horizontal air louver is set atlow 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 Anti ice function When PT 2 C the compressordoes not stopand indoor fanruns at highspeed When PTS 1
9. 3 Check switch operation Open the front grille and press the check button Switch on the power 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 system has something wrong and please check malfunction immediately BLOCK DIAGRAM Refrigerant Cycle Block Diagram INDOOR UNIT OUTDOOR UNIT UE M Capillary tube Check valve 2 4 4 4 Liquid side gt Heat Capillary tube N S S Heat 5 Evaporator 3 8 Q v NE Gas side t i oo D lt zt Q3 3 way 1 Accumulator FN 4 way valve 9 gt lt Cooling Compressor lt Heating L Ar pc S Gas leak check point TROUBLE SHOOTING Items to be checked first 1 Is the voltage of the power correct The input voltage shall be rating voltage 10 The air conditioner may not operate properly if the voltage is out of this range 2 Is the link cable connecting
10. EM BLOCK PIPE THERMISTOR at TRANSFORMER Note If the wrappage of fan motor is plastic then is not grounded wire Outdoor unit AUS 18C53R220Dx 1 2 3 OUTDOOR UNIT WIRING DIAGRAM _ tn BLU BLU TO INDOOR WHT WHT BLU UNIT q 2 CAPAC ITOR JT WHT TERMINAL BLOCK BLK ORN RED WHT RED BLU YLW GRN 5 4131211 R BLK WHT ORN RED MC COMPRESSOR MOTOR 4 FAN MOTOR YLW GRN 43 Wiring Diagrams Indoor unit Outdoor unit AUS 18H53R220Dx 1 2 3 AUS 18H53R220Dx 1 2 3 um INDOOR UNIT WIRING DIAGRAM LOUVER MOTOR FAN MOTOR POWER SOURCE REMOTE BRN CONTROLLER MV aed BLU YLW GRN Y Y Y CN STM CN PG CN IFAN S CN DISP1 Zo BLU ELECTRONIC CONTROL SN P C BOARD 19 RECEIVER WHT 2 PR amp DISPLAY RED 3 b UNIT BOARD RT TRANS TRANSI OT a ROOM THERMISTOR RED YLW PIPE THERMISTOR BLK 9 TRANSFORMER BIK the wrappage of fan motor is plastic then i
11. the indoor unit and the outdoor unit linked properly Please refer to the wiring diagram Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables 3 When a problem occurs due to the contents illustrated in the table below it is symptom not related to the malfunction of the air conditioner Operation of air conditioner Explanation In COOL operation mode the compressor does not operate at a room temperature higher than the setting temperature that the indoor fan should operate In a HEAT operation mode the compressor does not operate at a room temperature lower than the setting temperature that indoor fan should operate It happens after a delay of 3 minutes when the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the indoor fan is adjusted automatically with reference to a temperature of the air blow Fan speed setting is not allowed in AUTO or DRY mode The speed of the indoor fan is set to low in DRY mode Fan speed of 3 steps is selected automatically in AUTO mode Compressor stops operation intermittently in DRY mode Compressor 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 i
12. unit will select the operation mode according to the initial room temperature At auto modethe ST can only beset or 2 Cof the RT T9 CONTROL SPECIFICATION FAN MODE Indoor fan runsat the setspeed while compressorand outdoor fanare turned off Indoor fan speedcan be adjusted for low medium and high SLEEP MODE Sleep mode in cooling and drying running A The indoor fan runs at low speed B After one hour of operation the set temperature will increase by 1 C One hour later the set temperature will increase by 1 C once more The unit will then continue operating at 2 C above the set temperature Sleep mode in heating running A The indoor fan runs at low speed B After one hour of operation the set temperature will decrease by 2 C One hour later the set temperature will decrease by 2 C once more The unit will then continue operating at 4 C below the set temperature 20 DISASSEMBLE MECHANICAL PARTS Stop operation of the air conditioner and remove the power cord before repairing the unit The following pictures taking AUS 09C H 53R130D1 series as an example are presented just for the purpose of illustration Indoor unit mem 1 Front grille 1 Stop the air conditioner operation and block the main power 2 Contract the second finger to the left and right handle and pull to open the inlet grille 3 Draw away signal line 4 Take the left and right filter out
13. C for 1 minute the compressor and outdoor fan stopand indoor fanruns at high speed When PT28 C for 5 minutes anti ice protection deactivates both the compressorand the outdoor fan start operation High speed IFAN Set speed Set speed CONTROL SPECIFICATION HEATMODE ifthe airconditioner is off and then turned while set at COOL HEAT DRY mode it will take approximately 3minutes for the compressor to start The STat heat modeis adjustable within16 C 31 C When RT2ST the compressor stops when RT lt ST 1 C the compressor starts Once turning onthe unit while set at heatmode if conditions meetwith the requirement of compressoroperation the four way valve gets chargedand 8 secondslater the compressor andoutdoor fan startrunning Strong wing prevention A PT lt 27 the indoor fan stops running the swing louver cannotbe controlled by the remote controller 34 227 indoor fanruns at low speed the sweeplouver erects C PT234 the indoor fanand the swing louver can be controlled normally Heat overload protection For 7000BTU h Model when PT 47 C the outdoorfan stops whenPT lt 42 C the outdoor fan starts whenPT260 C the compressorstops For 9000BTU h Model when PT 50 C the outdoorfan stops whenPT lt 47 C the outdoor fan starts whenPT 263 C the compressorstops For 9000BTU h Model when 255 the outdoorfan sto
14. EMP sensor faults 12 FAULT DIAGNOSIS BY SYMPTOM No cooling No cooling effect at all Poor cooling efficiency Fan motor orits capacitor faults Fan motor error compressor does not operate Leakage of Block of thecooling system refrigerant Insufficient _ Recharge the refrigerantat leaking place The capillary pipeline are blocked the valve is not openor the connecting tube is folded flat Loose connection orbadly contact Control circuit error Voltage may appear a littlelower or higher Loose or wrong connection Compressor faults orjumps for overloading ____ Control circuit error Some leakage inthe valve refrigerant Some cracks weldingfailure in thesystem Air filter is blocked Poor efficiency of heat dissipating on the outdoor unit No periodical cleaning Accumulated lampblack dustor contaminated ambient environment Extra fluorin isadded during mounting Mounting location is not suitable such as near the wall Air outlet is blocked accumulatedlampblack or dust isattached to the vane Toohigh ambient temperature The outdoor unitgets exposed tothe sun fortoo long period Air conditioning burden Not for residenti
15. SOR MOTOR YLW GRN FAN MOTOR ap 45 Wiring Diagrams Indoor unit AUS 18H53R120Dx 1 2 3 INDOOR UNIT WIRING DIAGRAM LOUVER FAN MOTOR MOTOR SOURCE REMOTE MV BRN ONTROLLE 8 BLU YLW GRN CN STM CN PG CN IFAN 2 u CN DISP1 Or ELECTRONIC CONTROL BU 3 RECEIVER P C BOARD pois amp DISPLAY RED 3 tWir BOARD RT TRANS TRANSI OT CNN scr Y AERE TERMINAL ROOM THERII STOI I BLOCK m RED YLW CONNECTOR PIPE THERMISTOR BLK TRANSFORMER BK ep Note If the wrappage of fan motor is plastic then is not grounded wire Outdoor unit AUS 18H53R120Dx 1 2 3 OUTDOOR UNIT WIRING DIAGRAM BLU N BLU RUN 942 d 3 TO INDOOR ad a UNIT YLW GRN 14 BLU YLW BLU 11213 SOLENOIDE COIL R2 BLK aee TERMINAL BLOCK SI f 5 THERMI STOR MOTOR 46 Wiring Diagrams
16. When the expansion bolts are used two holes 1120 11X26 that the distance between them is 450mm should be adopted Confirm the position of holes and drill holes on the wall INSTALLATION 2 3 Wiring Diagram Open the front grille e Remove the screw from electrical box cover pull the electrical box cover away from the unit and set aside Remove the screw from fastener pull the fastener away from the unit and set aside Connect the cable Indoor unit terminal Replace the fastener and electrical box cover NOTE The appliance shall be installed in accordance with national wiring regulations The appliance must not be installed in the laundry The appliance must be installed 2 3m above the floor The appliance must be positioned so that the plug is accessible For some models whose cooling capacity are above 4600W 17000BTU h an all pole disconnectiondevice which hasat least 3mmseparation distance in all pole anda residual currentdevice RCD with the ratingof above 10mAshall be incorporated inthe fixed wiringaccording to thenational rule Installation of the drain hose NOTE Liquid pipe gaspipe The drain hose must be arranged beneath the copper pipe Drain hose The drain hose must not be hunched or twisted While wrapping up the drain hose do not pull it Adiabatic The drain hose through the room must be wrapped up by the thermal insulation materials The copper pipe and the drain hos
17. Y OUTDOOR amp DISPLAY 3 Bir BOARD RT TRANS TRANS OT CNN D YU ap 5 TERMINAL ROOM THERMISTOI P i BLOCK RED YLW CONNECTOR PIPE THERMISTOR BLK TRANSFORMER ep Note f the wrappage of fan motor is plastic then is not grounded wire AUS 09H53R130Dx X1 2 3 AUS 12H53R130Dx X71 2 3 Outdoor unit OUTDOOR UNIT WIRING DIAGRAM TERMINAL BLOCK BLU N RUN 2 CAPACITOR UNIT 3 YLW BLU 4 Suv BLU WHT RED YLW GRN SOLENOID COIL YLW RED BLU BLK MF COMPRESSOR MOTOR BLK CONNECTOR 0 D YLW GRN FAN MOTOR THERMISTOR Wiring Diagrams Indoor unit _ AUS 18C53R220Dx X 1 2 3 INDOOR UNIT WIRING DIAGRAM LOUVER FAN MOTOR _ SOURCE MOTOR M pae POWER BLU CONTROLLER YLW GRN amp tX CN IFAN 4 COMPRESSOR RECE I VER 015 1 RELAY amp DISPLAY E BLU EDAD ELECTRONIC CONTROL P C BOARD 2 RT TRANS TRANSI MED OUTDOOR EA A b 3 UNIT ESBESE BLU ROOM THERMISTOR MU YLW GRN 0
18. a Outdoor unten 2 5 1 1 1 1 1 1 1 1 1 1 2 2 N 2 4 2 2 0 1 2 3 4 5 6 7 8 9 0 1 3 5 6 28 Exploded Views and Parts List Outdoor unit AUS 09H53R130Dx AUS 12H53R130Dx X 1 2 Bree OMNI F A 29 Exploded Views and Parts List Outdoor unit AUS 09H53R130Dx AUS 12H53R130Dx 1 2 3 English Quant English Part Name avanti ___ CY id seem 4 fowom o 3 T seme 3 Dr ferese 3 condenser o 1 ii Fanmotorcapactor 3 12 Capactortor 3 _ 3 14 Outdoor unitterminal block 1 15 Power supply coracip 1 16 Outdoor fan motor supporter 1 __ Jo 11 2 1 11 p21 vaveboars _____ 1 23 Compressor pp i S 444412 1 1 1 30 Exploded Views and Parts List Outdoor unit AUS 18C53R220Dx X21 2 3
19. aluse The doors andwindows are notclosed well is not adequate for the room too weak ofinput cooling poweror too many heat resources inthe room Low airflow volume Low fan motorfrequency or capacitoris not functional Low fan the fan motor faults The four way valve error to The distributing airof the four way valve may havemixed gether the valvecore or solenoidvalve faults Blockage in The valve isnot completely open the capillary or Pipeline is halfblocked the system Connecting tube isfolded flat 13 FAULT DIAGNOSIS SYMPTOM No heating No heating effect at all Fan motor error Fan motor orits capacitor faults Loose connection orbadly contact Control circuit error Voltage littlelower or higher compressor does not operate SERE Block of thecooling system Leakage of refrigerant Loose or wrongconnection Compressor faults orjumps for overloading Control circuit error Recharge the refrigerantat leaking place The capillary pipeline are blockedor the valve is not openor the connectingtube is foldedflat The four way valve or solenoid valvefaults Insufficient refrigerant The four way valve did n
20. e must be wrapped up by felt strip Adiabatic pad should be used at where the pipe contacts the wall ROUTE OF PIPE If pipe comes out of the right side of the indoor unit cut part 1 of the unit If pipe comes out of the lower right side 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 REFIT OF 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 drain rubber plug Clearance is not allowed after refit it would lead to water leakage drain hose plug underlay felt INSTALLATION B Arrangement of the drain hose To drain the condensate water easily the drain hose should be declined downwards The following 5 arrangement methods are incorrect O x x Decline Decline Standing water Dip hose 50 downward downward into water tess air N above floor Water Water Water _ leak leak leak 1 2 3 4 5 2 Drain hose f you find the drain hose not long enough to connect with the indoor Z unit you can extend it with the hoses in the accessory box e The drain hose through the room must be wrapped up with the special m Hose ID 15cm 4 Hose adiabatic materia
21. ear the outdoor unit e Avoid places close to inflammable gas leakage Caution It is harmful to the air conditioner if it is used in the following environments greasy areas including area near machines Salty area such as coastal areas areas where sulfuric gas is present such as hot spring areas Contact your dealer for advice 2 INSTALLATION Installation diagram of indoorunit and outdoor unit S g above 250mm above 500mm Confirm he installation position by the mark of the indoor mounting plate The copper pipe can be led from back right underside or left back side back front right left Underside Left back bac M A thin armor plate or on the wall of metal mesh you should use the While installing the pipeline on the wooden board to clamp between the wall and the pipeline or wrap up the pipeline with 7 8 layers of insulating plastic tape Notice do not elevate the drain hose Cover connecting pipe with adiabatic material Sponge plastic adiabatic material with the thickness of 8mm INSTALLATION 1 Securing the mounting plate and drill on the wall Secure the mounting plate The mounting plate should be attached to the struct
22. erconnection cord for powersupply has tobe replaced pleasesee the following table for reference MODEL SPECS Interconnection cord lt 2700W 10000BTU h 21 0mm 3000W 11000BTU h 4000W 15000BTU h z1 5mm 4500W 18000BTU h 8000W 28000BTU h z2 5mm WARNING Please take the electric circuit diagram attached to the indoor outdoor units as major reference while installing e 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 The connecting cables must be clipped together Special cable must be used to connect indoor unit and outdoor unit It should be ensured that the terminals are not influenced by external force Poor connection may cause fire e The electric box cover must be mounted and secured in position otherwise fire or electrical shock may occur because of dust or moisture The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube All the models shall be connected with the mains which has system impedance limitations While installing the unit please see the following table for impedance information or consult with the supply authority 3500W 12000BTU h 0 2190 soies 5100W 18000BTU h 01860 6800W 18000BTU h 0 1240 INSTALLATION 2 Installation of the drain joint only for heat pump
23. function or fire 6 Aftercompleting repairs andreassembly check the insulationresistance Procedure prior toapplying power measure the resistance between the powercord and the ground terminal The resistance must be greater than 30 megohms 7T Make surethat the groundsare adequate 8 Make surethat the installation conditions are satisfactory Relocate theunit if necessary 9 Keep childrenaway from theunit while itis being repaired 10 Be sureto clean theunit and itssurrounding area INSTALLATION Selecting area for installation Select an area for installation that is suitable to the customer s needs 1 Location of indoor unit e 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 the weight of the unit and not cause any shake Avoid direct sunshine A place easy for condensate drain and easy for connecting with the outdoor unit e Keep far distance away from the fluorescent lamp it may influence the operation of remote controller Keep at least 1m away from the TV radio and other home appliances 2 Location of outdoor unit A place solid enough to bear the weight of the unit and not cause any shake e Good ventilation less dust far from direct rain and sunshine A place where the air discharged out of the outdoor unit or the operation noise will not annoy your neighbours e No blockage n
24. l PVC hard 4 Installation of the indoor unit Indoor Let pipe go through the wall hole and attach the indoor the mounting plate unit to the mounting plate Press the rib of indoor unit inside the hook of the mounting plate Bottom the rib of indoor unit 5 Pipe Connection The number of bent position 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 Please break the evaporator craft tube with pincers before connecting After exhausting the inside air use the wrench to twist down the nut of connecting tube of the evaporator Put some seal oil to cover the joint and the flare Align the centre of joint in line with that of flare and tighten the nut of connecting pipe with wrench Attention 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 fear of damaging the flare DIAMETER OF PIPE TORQUE N m 6 35mm 1 4 13 7 17 6 Se be 9 52mm 3 8 34 3 41 2 12 7mm 1 2 49 0 56 4 15 88mm 5 8 73 0 78 0 6 Wall sealing and Pipe fastening Use putty to seal the wall hole Use clamp pipe fastener to secure the pipe at specified position 8 get of unwanted part seal with putty M c
25. lamp secure the connecting pipe with clamp Indoor unit INSTALLATION Installation diagram of indoorunit and outdoor unit 1 Wiring Outdoor unit terminal Outdoor unit terminal Connecting cable Connecting cable f Wiring For Above 6000W Model Above 21000BTU h Model 1 Remove theself tapping screws 2pcs The cable wire can beled from theback hole on the maintenanceboard and takeout the of the pipinghole or ejectinghole maintenance board Please utilize outdoorpipe support when the cable wireis led fromthe backside Terminalboard Fix the cable wire with anchor cable Outdoor pipe support Outdoor pipe supportis not required Piping cover when leading thecable wire fromother places 2 Loosen theself tapping screws 2pcs on the fixing clip to loosen thefixing clip 4 Tightenthe self tapping screwon the fixingclip 3 Loosen thefixing screw ofthe wire terminal board pass thepower wire andsignal wire through the fixing clip Thenfirmly fix the power wire andsignal wire onthe terminal board with thefixing screw Earth wire must be connectedfirmly 5 Install the maintenance board After the pipes and cable wireare installed pleaseseal the sponge block asper drawing indication Maintenance board Piping cover INSTALLATION Notice f the signal wire hasto be boughtseparately choose electric 0 75mm e f the int
26. onates thedoor and window Collision of thepipeline fixing screwsloose or plastic pieces deform The compressor ormotor makes abnormalnoise Collision sound of the machine 1 Noise from the whole unit Sound made by compressor or motor Flowing sound of condensed water Condensed water is attached to the vane Sound of running fan motor Vane imbalanceor distortion 111 FAULT DIAGNOSIS SYMPTOM Switching on theair conditioner The current leakage switch jumps to turn off The fuse isblown or air limitswitch jumps to turn off Without any response of power supplylower than 15 ofrated voltage is adequate ornot Check whether the receptacle has Junction wire loosesand collides with the outer cover Degraded capability of wire insulation Check the resistance of every component by multimeter Insulation capability of some components has lowered Water comesinto the plugor electric components Is the voltage The voltage islow please add manostat 220V Short circuit inthe electric wire or connection wire Short circuit somewhere Partially short circuitin some components Yes Check as theabove mentioned method No Fuse capacity Replace with adequate
27. onnector 3 Separate the ass y control out from the outdoor unit Exploded Views and Parts List AUS 09C H 53R130Dx AUS 12C H 53R130Dx AUS 18C H 53R220Dx Indoor unit AUS 18H53R230Dx AUS 18C H 53R120Dx 1 2 3 25 Exploded Views and Parts List Indoor uni AUS 18H53R230Dx Engen aene n Engien Fart Name romare Ls pera mor 7 Fs raooren mor 5 s Comecina canes Indoor unit terminal block I 14 Room temperature sensor 5 17 Electrical control cover2 18 Electrical control cover1 20 LED 21 LED plastic support 22 Front panel 23 Indoor display panel 9 Enclosure 015 D17 indoor display panel D1 control 1 D14 D15 D16 parted as upper panel and lower panel 017 D18 display piece 09 without D8 glass display panel p _____ Lm po 13 NEN E Oo 3 NENNEN US 09C H S3R1 30Dx AUS 12C H 53R130Dx AUS 18C H 53R220Dx AUS 18C H 53R120Dx 1 2 3 petesorpacing see 26 Exploded Views and Parts List Outdoor unit AUS 09C53R130Dx AUS 12C53R130Dx 1 2 3 2f Exploded Views and Parts List Outdoor unit AUS 09C53R130Dx AUS 12C53R130Dx 1 2 3 English Part Name Quantit pressor nglish Part Name Quantity lt rjwewerie
28. ot commutate or the distributing air ofthe four way valve may have mixed together Some leakage inthe valve Some cracks welding failure in the system Extra fluorin isadded during mounting Air filter is Poor heating efficiency blocked No periodical cleaning Toolow ambient temperature Toothick frost generated on the condenser Extra refrigerant or Air conditioning burden mixing air inthe system contaminated ambient environment Below The condenser doesnot defrost nosmooth air circulation Discharge the redundantrefrigerator recharge the refrigerant aftervacuum extraction is not adequatefor the room The doors and windows are notclosed well too weak ofinput cooling heating power The condenser istoo dirty The electric heateris Accumulated lampblackor dust isattached to the vane Not satisfy the conditions for electricheater not working running Plug cords maybe loose Low airflow volume Low fan motorfrequency or capacitoris not functional Low fan speedor the fan motor faults The four way valve error The distributing airof the four way valve may havemixed together the valve core or solenoid valve faults
29. ps when Pt lt 50 C the outdoor fan starts 63 the compressorstops Deice control Conditions for activating deice a The working hours ofcompressor accumulates tobe 40 minutes b When OTS 4 C for 1 minute Conditions for terminating deice a When OTZ15 for 1 minute b Over 10 minutes of deicingoperation Electric heat control Conditions for initiatingelectric heat function a RTS23 C b RT 3 C ST c The indoor fanruns d Turnon the electric heatkey e PT 50 C Conditions for terminatingelectric heat function 2 b RT226 C indoor fanstops running d Turnoff theelectric heat key Mode change Conditions for terminating electric heat function b RT226 indoor fanstops running d Turnoff theelectric heat key e Mode change or bre HT COMP ON OFF OFAN 4 ON valve OFF 305 305 liss TIME lL dT 10 minutes at most p M 1 1 CONTROL SPECIFICATION DRY MODE n this mode the air conditioner automatically sets the room temperature and this temperature is incontrollable by remote controller The initial ST RT 2 C Control during dry mode a When RT 15 C dry modeis not available when RTZ215 C the compressorintermittently runs under theinfluence of TS and RT b When RTZ23 if RTZST the compressor runsintermitten
30. r conditioner Disconnect the manifold gauge after turning off the shut off valve and then open gas shut off valve again Tighten nuts and caps of each valve 7 Relocation of the air conditioner Refer to this procedure when the unit is relocated Carry out the pump down procedure Remove the power cord Disconnect the assembly cable from the indoor and outdoor units Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering Disconnect the pipe connected to the outdoor unit Make sure you do not bend the connection pipes in the middle and store together with the cables Move the indoor and outdoor units to a new location Remove the mounting plate for the indoor unit and move it to a new location 10 INSTALLATION 8 Operation test Before test operation wiring safety inspection must be carried out carefully again 1 Emergency switch operation Every press of emergency switch the air conditioner runs as in the following order Cool only type Cool 7 Shut off Heat pump type Cool e Heat Shut off 2 Remote controller operation If the indoor unit sounds like Di Di when pressing I O button that indicates the air conditioner is under the operation of remote controller After that press every button to test their functions
31. s Capacitor for compressor Capactortiing 12 Fan motor capacitor ___ 13 condenser _ 1 16 17 Right backside pae 18 Compressor 19 Bonom boaa 20 caper assembly 21 pressure vale 22 row pressure vave 23 have boars 24 Outdoor tan motor lt No 2 L9 10 E 12 EI KA 16 Ka 18 20 22 E 36 Exploded Views and Parts List Outdoor unit AUS 18H53R120Dx X21 2 3 Exploded Views and Parts List Outdoor unit AUS 18H53R120Dx 1 2 3 No English Part 1 outlet grille 1 fo lOutdoortan motorsuppore 1 1 _ s Outdoor unt terminal 31 9 etectical instal board _ 1 110 Capacitor tor Compressor T 12 Fan motor capactor 1 1 Condenser 1 1 E oa o o m 3 22 low pessurevave apaw o m forsy o 25 Outdoorfanmotor 1 4 38
32. s 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 Timer is being activated and the unit is in ready mode The unit operates normally if the timer operation is cancelled The compressor and indoor fan stop intermittently in HEAT mode The compressor and indoor fan stop intermittently if room temperature exceeds a setting temperature in order to protect the compressor from overheated air in HEAT mode Indoor fan and outdoor fan stop intermittently in HEAT mode The compressor operates in a reverse cycle to remove exterior ice in HEAT mode and indoor fan and outdoor fan do not operate intermittently for within 2096 of the total heat operation The compressor stops intermittently in COOL mode or DRY mode and fan speed of the indoor unit decreases The compressor stops intermittently or the fan speed of the indoor unit decreases to prevent inside outside air frozen depending on the inside outside air temperature SELF DIAGNOSIS FUNCTION Our company provides the end users with thoughtful services by installing various diagnostic systems to indicate the following irregular performances Check code Diagnosis of malfunction FAULT F6 PG motor faults FAULT F7 Indoor TEMP sensor faults FAULT F8 Indoor coil pipe TEMP sensor faults FAULT F9 Outdoor coil pipe T
33. s not grounded wire OUTDOOR UNIT WIRING DIAGRAM YLW GRN Qus TO INDOOR BLU NES SINIT 2 hw CAPACITOR B 3 WHT MZ 4 EU BLY WHT RED BLU TERMINAL BLK ORN RED BLOCK SOLENOIDE ik COIL 4131211 R BLK WHT ORN RED MC CONNECTOR COMPRESSOR 5 THERMISTOR FAN MOTOR 44 Wiring Diagrams Indoor unit AUS 18C53R120Dx X21 2 3 INDOOR UNIT WIRING DIAGRAM YLW GRN a REMOTE 1 _ a P CONTROLLER SRN ae X GN STH CN PG GN IFAN COMPRESSOR RECEIVER Jon piset RELAY pcs ELECTRONIC CONTROL EUN P C BOARD 2 mome 1 Parm aE ES BLU ROOM THERMISTOR im YLW GRN D ca RI BLOCK THERMISTOR 7 TRANSFORMER Note f the wrappage of fan motor is plastic then is not grounded wire Outdoor unit AUS 18C53R120Dx 1 2 3 OUTDOOR UNIT WIRING DIAGRAM m BLU N TO W W UNIT TERMINAL x LI BLOCK EE WH lt 5 RED BLU YLW 11213 C RED BLU YLW M COMPRES
34. tly as this Run for 8minutes gt Stop for3 minutes If RT lt ST the compressor runs intermittently as this Stop for 4 minutes Run for 1 minute c When 23 RTZST the compressor runsintermittently as this Run for 2minutes Stop for3 minutes If RT lt ST the compressor runs intermittently as this Stop for 4 minutes Run for 1 minute d In this mode the indoor fan keeps running low speed with the same pace as the compressor and this speed can not be controlled by remote controller AUTO MODE In this mode the air conditioner can automatically adjust the room temperature to decide the most suitable temperature At the start of operation the unit will automatically select the operation mode according to the room temperature The following table shows the conditions which are set at start up Room Cool only type Heat pump type Temperature RT Mode Initial Setting Temperature Mode Initial Setting Temperature E Cool mE Cool 216 26 C gt RT225 C RT 2 RT 2 25 C gt RT223 C Dry RT 2 Dry RT 2 RT lt 23 C 21 C Heat 26 C Auto mode entering a Once some operation mode is determined it can not be changed even if the RT has altered b You can change the operation mode by remote controller restart within 2 hours the unit will resume the same operation mode as before If restart after 2 hours the
35. type Insert the outdoor double channel drain joint in one of the bottom holes of the suitable size then connect drain hose and joint together Bottom Double channel drain joint Drain hose 3 Joint of the connecting pipe Put some seal oil to cover the joint and the flare Align the centre of joint in line with that of flare and tighten the nut of connecting pipe with wrench Adjust the torque by the same method of connecting pipe for indoor unit 4 Airexhausting e Screw down 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 liquid connecting pipe 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 liquid shut off valve allen wrench gas connecting ipe gas shut off M Press the cork of service port at gas shut off valve 10 valve Rud valve nuts seconds later when you see foggy gas discharged that j means inner air is exhausted out service port N service port cap Use Allen wrench to turn the valve cork of both liquid shut off valve and gas shut off valve counter clockwise until they are completely open and then replace the valve caps and tighten them 5 Process of flared tube Use the pipe cutter to c
36. ural part of wall post etc i Fasten string at the central hole fasten string at the central hole 9 atleast 290mm 00 456mm more atleast 4mm l 55mm or more immor Ft mounting plate from sidewall from side 405mm or more Ln from sidewall n T Tapping Tapping screw 514 255 br 514 258 NOTICE The holes at solid arrow position must be secured to avoid the shake of mounting plate e When the expansion bolts are used two holes 11 20 or 11X26 that the distance between them is 450mm should be adopted e Drill on the wall 40mm fasten string at the central hole frs Sis h E Center of hole 65mm Center of hole Z 65mm a Plumb NOTICE Confirm the position of holes and drill holes on the wall fasten string at the central hole fat least 250mm fasten string at the central hole 440 440 at least250mm at least 140mm TERTIO T t least 180 atleast 120mm JEL ml atleast 120mm D e 90 b90mm Center of hole 65mm plumb 120mm Center of hole 65mm Pipe hole NOTICE The holes at solid arrow position must be secured to avoid the shake of mounting plate
37. ut off the broken part of flare Remove burrs at the cut of the flare er pipe 90 71 Oblique Roughness Burr Insert a nut into the connecting pipe and do flaring C a with specified flaring tools reamers for example Remove burrs at the cut of the flare Burr Reamer Outer diameter J 6 35mm 1 4 9 52mm 3 8 12 7mm 1 2 15 88mm 5 8 Check the quality of flaring technique INSTALLATION 6 Adding refrigerant If the connecting pipe is longer than 7 metres add refrigerant as needed Cool only type added amount A Lm 7m X 15g m Heat pump type added amount A Lm 7m x 50g m amount of added refrigerant L the length of connecting pipe The length of connecting pipe m 7 8 9 10 Cool only type added amount g 0 15 30 45 Heat pump type added amount g 0 50 100 150 Exhaust the air as the above mentioned method Manifold gauge Screw the gas shut off valve to close connect charging hose low pressure to the service valve Low pressur Q High pressure valve valve and then open gas shut off valve again id Set the unit to cool operation mode Charging line HO Connect the refrigerant bottle to the charging hose and then convert it Fill in liquid refrigerant as the above table Service port Stop operation of the ai
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