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1. ft B Check if the fan ca f the outdoor fan WONEN terminal OFAN is normally ss POT e connected well Service Manual Replace fan capacitor C1 Y v Improve the radiating Replace ff the radiating of uniti Y of unit clean heat outdoor fan well exchanger and increase ventilation N Start to run until the If the input voltage of uni N power resume normal is normal voltage Y Dc Charge the If the refrigerant is too Y refrigerant with much 7 a li service manual N Replace control board AP1 N Y Replace compressor End Y y Installation and Maintenance Service Manual 6 Diagnosis for overload and discharge malfunction outdoor unit malfunction Outdoor unit malfunction indicator status Malfunction D5 D6 D16 D30 Overload O x x O D Discharge m Main detection point elf the electron expansion valve is connected well Is the expansion valve damaged elf the refrigerant is leakage elf the overload protector is damaged elf the discharge temp sensor is damaged Malfunction diagnosis process After the u nit de energized for 20min Soe Se HO Tfthe overload protector SAT is well connected Y iden Under ambient temperature test the resistance of overload protector with ohmic meter the resistance value lt 100000 Y EN Y
2. __ f the wiring terminal FA of electron N expansion is well connected Check if the coil of electron expansion is installed on the valve normally y Y Check if the expansion valve is blocked Replace overload protector SAT NETT TG a Remove en wess malfunction N y Check refrigerant if there is leakage please refer to specification v Remove malfunction N check if the discharge temp sensor is normal according to the resistance sheet Y Replace control board N Replace discharge temp sensor onnect the wire well according to wiring disgram Pil g End Installation and Maintenance o e Service Manual 7 Communication malfunction Outdoor unit malfunction indicator status D5 De D16 D30 Hu py o um sx Main detection point eCheck if the connection wire and the built in wiring of indoor and outdoor unit is connected well and no damaged elf the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process the unit is operating normally before malfunction N heck connection wire of indoor and outdoor unit with circuit diagra i Connection Y correct Check if the controller connection wire inside i
3. horizontal louvers stops at current position Technical Information o e 23 Service Manual 24 6 button Press this button can select left amp right swing Swing angle can be selected circularly in sequence as below mum Ed SC te i o JD no display Zw 4 lt horizontal louvers stops swing angle is dis at current position played dynamically e When selecting 72 with remote controller it s auto swing Horizontal louver of air conditioner will swing left amp right automatically at the maximum angle e When selecting with remote controller it s the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing e When selecting Za it s the circulating swing Horizontal louver of air conditioner will swing circularly according to Swing angle is displayed dynamically the angle as shown by the icon 7T HEALTH SAVE button HEALTH Function After pressing HEALTH button remote controller will switch circularly as below HEALTH gt AIR gt AIR HEALTH gt no display e When selecting HEALTH by remote controller HEALTH function will be started up e When selecting AIR by remote controller AIR function will be started up e When selecting AIT HEALTH AIR and HEALTH function will be started up e When there s no display on remote controller AIR and HEALTH function will be turned off SAVE Function
4. Service Manual MODEL GAN A180GVR T3 GAG A180GVR T3 GAN A240GVR T3 GAG A240GVR T3 Refrigerant R410A Service Manual Table of Contents Part Technical Information 1 Summary EE 2 SPECICAONS eT 2A Specification MR SUUM 2 2 Operation Characteristic Curve orsererssonrsersenrensnnere erweer sens u eausa sa anao aha osea y Serena eene ni 2 3 Capacity Variation Ratio According to Temperature aeee 2 5 Cooling and Heating Data Sheet in Rated Frequency ea ZA NOISE CUME aia eegen 3 Outline Dimension Diagram EEN 351 INACOTUJNIE EE 3 2 Outdoor Unit erreneren e ener nn rn eneen 4 Refrigerant System Diagram A A 5 Electrical Parteners tiniee 5 1 WV IIR Dias usurpador isc 5 2 PCB Printed DAA ei ia 6 Function and Control 6 1 Remote Controller Introduction siii n 6 2 Brief Description of Modes and Functions ane e nnne Part II Installation and Maintenance iii 8 InstallatiOl eet 8 1 Installation Dimension DIGIE wssn nen eenn 8 2 Installation Parts checking ME 8 3 Selection of Installation Location usccueraroarniscii rro ees 8 4 Electric Connection E ET EE Ram EEN ene Indoor Ma 8 6 Installation of Outdoor QNT PET 8 7 Vacuum Pumping and Leak DetectlOft eure neret betonte beret tette ete robe Seege 8 8 Check after Installation and Test Operation uiti oae ee 9 Maintenance nnee inicia 9 1 Precautions before Performing Inspection or Repair 9 2 Flashing LED of Indoor O
5. 68 ee 272 3 32 33 10 63 34 10 2 5 8 1 3 73 2 358 112 0 717 1 0 697 2 206 0 678 7 zi zi 74 283 7s ar am ve 2959 m5 El El Ei 7 f 51 59 49 02 4 7 967 1 933 E E E 38 8 642 77 204 no 0642 E E aa a vos 1871 E E E E 119 0 592 120 0 577 9 so 42 14 42 732 e 1890 8 123 0 532 8 124 0 519 es 169 36 32 34 58 29 9 28 51 4 4 45 6 529 84 1 645 4 4 46 6 278 5 1 594 86 154 49 5 589 88 1 451 0 48 50 5 379 1 408 0 467 D m E E E 72 2439 m om E E E E 12 51 ag oo 1363 129 osse 13 2592 52 4956 oa 132 190 osm 14 24 73 53 4 802 92 1 282 0 433 23 6 54 4 625 93 1 244 0 422 15 16 2253 ss as 9 127 133 os a7 nm 56 429 95 sam 134 wm 18 20 54 5 4 139 1 136 1 0 391 7 35 0 ae se 39 o 11 9 156 0382 Installation and Maintenance 9 e 113 114 Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 20K remo Resistance k Tempe Resistancs 0 Teme Resiiance ko empco Resistance 19 1814 20 25 01 59 5 13 1 427 s ma a ze eo ases oo tos a se 22 228 am 10 16 6 6 153 3 21 85 4 605 101 1 307 102 1 269 ee
6. Connect wires Fix outdoor unit of indoor unit e drainage joint of outdoor unit only for coolin g and heating unit Bind up pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Note this flow is only for reference please find the more detailed installation steps in this section Installation and Maintenance Finish installation 39 40 8 2 Installation Parts checking 8 Sealing gum 9 Wrapping tape Support of outdoor 10 h unit Fixing screw Name Indoor unit Outdoor unit Connection pipe Drainage pipe Wall mounting 12 Drainage plug cooling frame and heating unit 6 Connecting 13 Owner s manual cable power cord remote controller 7__ Wall pipe N Note 1 Please contact the local agent for installation 2 Don t use unqualified power cord 8 3 Selection of Installation Location 1 Basic Requirement Installing the unit in the following places may cause malfunction If it is unavoidable please consult the local dealer 1 The place with strong heat sources vapors flammable or explosive gas or volatile objects spread in the air 2 The place with high frequency devices s
7. A C status Possible Causes 1 Bad contact of DC motor feedback terminal Internal fan motor external fan 2 Bad contact of DC motor motor compressor and electric heater stop operation guide louver stops at present location control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit During cooling and drying Refer to the malfunction operation compressor will stop analysis IPM protection loss while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis Outdoor DC fan motor DC fan motor malfunction or malfunction lead to compressor system blocked or the connector stop operation loosed compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor will restart To protect the electronical components when detect high power Indoor unit and outdoor unit doesnt match compressor and Outdoor fan motor cant work During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction an
8. Fahrenheit Fahrenheit Fahrenheit displa Fahrenheit e a displa Fahrenheit e displa Fahrenheit e P fear Le CF Celsius CC pera CF Celsius C ue CF Celsius C0 CF CF CF 26 27 28 29 8687 86 30 31 vw 896 32 7 68 600 68 20 33 34 35 10 36 11 99 986 37 LL Appendix 2 Configuration of Connection Pipe 1 Standard length of connection pipe e 5m 7 5m 8m 2 Min length of connection pipe is 3m 3 Max length of connection pipe and max high difference 4 The additional refrigerant oil and refrigerant charging required after prolonging connection pipe e 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 e The calculation method of additional refrigerant charging amount on the basis of liquid pipe Cooling capacity 24000 Btu h 7032 W 28000 Btu h 8204 W Fahrenheit Fahrenheit Fahrenheit display Fahrenheit K 4 display Fahrenheit display Fahrenheit a temperature CF Celsius CC temperature CF Celsius CC temperature CF Celsius CC CF CF CF 61 69 70 78 79 78 8 62 63 71 72 80 81 80 6 64 65 73 74 82 83 82 4 66 67 75 76 84 85 68 68 20 8 86 Max length of connection pipe Max height difference 25m 30m 36000 Btu h 10548 W 30m 42000 Btu h 12306 W 30m 48000 Btu h 14064 W 30m e When the length of connection pipe is above
9. blinking ON 0 5s and OFF Red Green Indicator Indicator Yellow Indicator A C status During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop Possible Causes Showing during middle cooling or middle heating test Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the part three charging malfunction analysis of capacitor Replace outdoor control panel AP 1 After the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 Wiring terminal OVC COMP is loosened In normal state the Overload OFF 3S OFF 3S Ke A while indoor fan will opera
10. 8 9 o la ls as Installation and Maintenance 9 e 115
11. E a 5 O rA I E ENEN 3 2 cip M scc DE AA 1 TUNE E TS CHEN TERCER 0 H 1 H 1 H 1 H i 0 10 20 30 40 50 60 70 80 90 Compressor speed rps 24K Unit Cooling 11 T T 10 H Conditions j 535mjF 9 Indoor DB27 C WB19 C Outdoor DB35 C WB24 C N wo 8 Indoorairflow High AY p Pipe length 5m amp OI E 6 LB 5 O 4 3 2 a 0 i i 0 10 20 30 40 50 60 70 80 90 Current A Service Manual Heating 8 T T T T T U U U I I I d D F I I I Weg A A MENE IEEE En d U U U Bip H Hf k I I 1 T n U ij U U U p I 5 He ee det L Lo x Le en e e en i Ap b b bf b L I I EE EE d EE Condition Indoor DB 20 C PA A Indoor air flow Super High Pipe length 5 m Voltage 230V 1 ps ee we gt pe TTE iiid b rame m c e ji ji li I I I I i 1 t i li U U I 0 1 i i i 1 0 20 40 60 80 100 120 Compressor Speed rps Heating 11 10 H 9 8 l ME E 6p E Sr 3 O Ari 3 1 Conditions al Indoor DB20 C WB15 C Outdoor DB7 C WB6 C 1 H 1 Indoor air flow High 0 Pipe length 5m 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Heating 11 10 9 ES 8 KRECE GO SEINE T Tr E 6 E Sr 3 O Aken MM UL STE een 3 1 Condi
12. Q c 3 E z D 2 Si O y ndoor Unit Gross Weight e Technical Information Service Manual Outdoor Unit Model GAG A180GVR T3 GAG A240GVR T3 Outdoor Unit Product Code CB146W25900_K93261 CB146W26000_K93261 RA ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR p CO LTD CO LTD GXA B 14 TzFOSOA RB 68EP Rotary 1NT11L 6233 1NT11L 6233 Compressor Overload Protector N N N O KSD115 C KSD115 C HPC115 95U1 HPC115 95U1 Capillary Capillary 16 30 16 30 Throttling Method Set Temperature Range Cooling Operation Ambient Temperature Range Heating Operation Ambient Temperature Range Condenser Form Condenser Rows fin Gap m 2 1 4 Condenser Coil Length LXDXW mm 851X38 1X660 984X38 1X748 Outdoor Unit Fan Motor Speed rpm 750 800 Outdoor Unit Fan Motor Power Output w gt Outdoor Unit Fan Type ao Mallow Defrosimg Method AutomaticDefrosing AutomaticDefrosting TI T1 Permissible Excessive Operating Pressure for the Discharge Side Permissible Excessive Operating Pressure for the Suction Side Outdoor Unit Sound Pressure Level H M L Outdoor Unit Sound Power Level H M L Outdoor Unit Dimension WXHXD mm Outdoor Unit Dimension of Carton Box LXWXH mm Outdoor Unit Dimension of Package LXWXH mm Outdoor Unit Net Weight g g g m 43 18 43 18 7 24 7 24 Aluminum Fin copper Tube Aluminum Fin copper Tube o BM BL C C C m e m m a o
13. w U E E 965X700X396 1000X790X427 1026X455X735 1080X485X840 1 A 598 f 8 5 A a 3 5 DO 36 46 50 1 8 5 50 ore 10 10 25 25 k k k m 98 912 Max Distance Heigt a AA Max Distance Lengt Tm LE Note The connection pipe applies metric diameter ERR The above data is subject to change without notice please refer to the nameplate of the unit Technical Information o e 098 12K Unit 2 2 Operation Characteristic Curve Compressor speed rps Cooling 10 T T T T T U gr jo ee HEAR doce Eee U Bpeeesi pee je demente Esa U 7 b A Id Leien za e 6 st SA Fee ei ey sss ve ES e E E P U U U Ears ee E I o I Sis Eco DU o dra eo melao ms EEn 34 U U 3rp SE e i7 Condition Indoor DB 27 C WB19 C 7 E Y Indoor air flow Super High Pipe length 5 m I I Voltage 230V tss reme gt Tren ae la U U 0 0 20 40 60 80 100 120 Compressor Speed rps 18K Unit Cooling 11 I i 10 H Conditions Li 220V MM Indoor DB27 C WB19 C H Outdoor DB35 C WB24 C U 8 Indoor air flow High Pipe length 5m T Tr T T T eo ee E EE
14. 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 the following sheet e Additional refrigerant charging amount prolonged length of liquid pipe X additional refrigerant charging amount per meter Additional refrigerant charging amount for R22 R407C R410A and R134a Diameter of connection pipe Outdoor unit throttle o 9 5 or O12 06 or 09 5 o160r019 15 Liquid pipe mm Gas pipe mm Cooling only g m 019 or 22 2 0254 or 0315 Cooling and heating g m 20 15 30 022 2 Installation and Maintenance 111 Service Manual Appendix 3 List of Resistance for Ambient Temperature Sensor 3Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 15K Temp C Resistance ka Temp C Resistance kO Temp C Resistance kQ a 1381 20 18675 se see 18 128 6 21 17 93 3 711 our meo 2 va 6t sso se ms 29 163 e aam 5 107 24 150 e ass 14 102 9 25 15 64 3 217 as 94 26 m 65 3105 2 22 27 1974 2 998 8735 28 1346 2 896 10 82 75 29 12 6 2 797 78 43 30 12 07 8 vas a ns 32 no 66 88 5 63 46 60 23 3 57 18 54 31 1 071 os 99 1039 too 109 103 0 925 104 0 898 107 0 825 108 0 802 5 6 6 6 6 7 7 9 1 3 6
15. 6 Overload mormal operation compressor is runing frequency descending Please refer to troubleshooting Installation and Maintenance Service Manual Off 3s blinks 8 times Over current need frequency descending Air exhaust over high need frequency descending Off 3s blinks 9 times DC generatrix voltage is too high Whole units Off 3s current testing blink 13 malfunction times d oz blink 15 overcurrent H times protection Off 0 5s Defrosting blink 10s Off 3s blink 3 times Compressor overload protection Overload mormal operation compressor is runing frequency descending Overload mormal operation compressor is runing frequency descending Cooling dehumidifying co mpressor stop running Fan motor works Heating all will stop Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Under the heating mode compressor running indoor outdoorfan motor stop working Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running 1 Input power supply is too low 2 System voltage is too high over is too much 1 Overload is too much ambient temp is too high 2 Refrigerant i
16. FILTER a m Le LD Gef We xxi c3 5 onore Introduction for Buttons on Remote Controller Note GHT button TENUES set fan speed odia send signal Lucas health mode X fan koskis set temperature NEM turbo mode poo TIMER ON TIMER OFF peces set time en left amp right swing acesse Up amp down swing e After putting through power air conditioner will give out a sound and operation indicator ly is ON red indicator You can operate the air conditioner through the remote controller e At ON status after each pressing button on remote controller the signal icon o will give out a sound which indicates the signal has been sent to air conditioner e At OFF status display screen on remote controller displays set temperature At on status display screen on remote controller displays the corresponding startup function s icon n remote controller will flash once Air conditioner Technical Information Service Manual 1 ON OFF button Press this button can turn on or turn off the air conditioner After turning on the unit operation indicator uy on indoor unit is ON green indicator Color may be different for different models and indoor unit gives out a sound 2 MODE button Press this button can select your required operation mode AUTO COOL DRY FAN HEAT i OS xe Vf gt XE e After selecting auto mode air conditioner will operate automatically according to ambient
17. Fig 18 4 For the unit with cooling capacity of 2300W 5000W 6 expansion screws are needed for the unit with cooling capacity of 6000W 8000W 8 expansion screws are needed for the unit with cooling capacity of 10000W 16000W 10 expansion Screws are needed Chassis Outdoor drain joirt Drain vent At least 3cm above the floor Drain hosep Fig 18 Fig 19 2 Install drain joint only for cooling and heating unit 1 Connect the outdoor drain joint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 3 Fix outdoor unit 1 Place the outdoor unit on the support 2 Fix the foot holes of outdoor unit with bolts As show in Fig 20 Foot holes Foot holes Fig 20 4 Fix outdoor unit 1 Remove the screw on the right handle of outdoor unit and then remove the handle As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 a Liquid valve Liquid pipe Pipe joint x E gas pipe Re 9 SO Union nut gas valve Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench Installation and Maintenance o e Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m do 15 20 09 52 30 40 45 55 60 65 70 75 5 Connect outdoor electric wire 1 Remove the wire clip connect the power con
18. If there is any abnormalit described above If the unit can work normally e control pane AP1 and compressor COMP correctly according to the Electrical Wiring Diagram Then energize and start the unit If the connection between AP1 and COMP is unsecure or the connection order is wrong If the unit ca wor normally Use ohmmeter to measure the resistance between the three terminals on compressor COMP and compare the measurements with the compressor resistance on ervice Manual Ifthe resistance is normal Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500MO Replace the control panel AP1 Installation and Maintenance o eo 59 Service Manual 3 High temperature and overload protection diagnosis AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els outdoor ambient temperature in normal range eAre the outdoor and indoor fans operating normally els the heat dissipation environment inside and outside the unit good Fault diagnosis process Overheat and high temperature protection 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Does the outdoor fan work normally Y Replace the control panel AP
19. ROO du o 2BK EI Kid AP COMOUT n BNO Gi SS ICH JUMP i L xr EGNIES ACL ALOUT c NO COM Ss y HEALTH L HEALTH N o OPEG3 Th m BU EARTH PLATE QE AL IONIZER PED O FAN SWING MOTOR EVAPORATOR MOTOR 3 GAN A240GVR T3 TUBE ROOM RECEIVER AND aum POWER TEMP SENSOR TEMP SENSOR DISPLAY BOARD NE dy HM R SE RT RTI Y EGN GN o TERMINAL S BLOCK TUBE ROOM DISP1 DISP2 neu q BU no CAP COM OUT 2 2 i18 GS AP1 MAIN BOARD i SECHS JUMP YEGN 2 ACL Lou 3EN swine uD bet pe DI 4YEGN Y O CJ HEALTH HEALTHN PEG d YRD BU EVAPORATOR W Mi COLDPLASMA LI GENERATOR SWING FAN MOTOR MOTOR Technical Information Service Manual 3 GAG A180GVR T3 GAG A240GVR T3 nc nc nc ANWARNING 4 BB 9 OVERLOAD PROTECTOR Please don t touch any We da h mm BRE COR electronic component or P Co ae UZ PE YEN terminal when the machine is 525822 CoM running oppe or has OF OF lik VSW been powered off for less art mmo an gi WE BG kuku PE than 30 minutes to prevent onl 64 6j RING the risk of electric shock UM e BU YE RD E X1 WH BK BU YE RD A A I 1 T TERMINAL MAGNETIC A COMP U COMP V COMP W
20. Under cool mode press SAVE button and the unit will operate under SAVE mode Dual 8nixie tube on remote controller displays SE Air conditioner will operate at auto speed Set temperature can t be adjusted Press SAVE button again to exit SAVE mode Air conditioner turn back to original set speed and set temperature e This function is applicable to partial of models 8 X FAN button After pressing this button under cooling or dry mode remote controller displays the character of X FAN and X FAN function is started up Press this button again to cancel X FAN function The character of X FAN will disappear Note e After starting up X FAN function when turning off the unit indoor fan will continue to operate for a while at low speed to dry the residual water inside the indoor unit e When the unit operates under X FAN mode press X FAN button can turn off X FAN function Indoor fan stops operation immediately 9 TEMP button Press this button can see indoor set temperature indoor ambient temperature or outdoor ambient temperature on indoor unit s display Temperature is set circularly by remote controller as below oe n D e When selecting by remote controller or no display temperature indicator on indoor unit displays set temperature e When selecting by remote controller temperature indicator on indoor unit displays indoor ambient temperature e When selecting ny o by remote controller temperature indicato
21. ambient temperature compensation preset lt 2 C the heating operation will be still running c During operations of heating if 2 C lt Tindoor ambient A T heating indoor ambient temperature compensation preset the heating operation will stop after reaching the temperature point 2 The temperature setting range in this mode is 16 30 C 5 Defrosting Control D After the time for defrosting is judged to be satisfied if the temperature for defrosting is satisfied after detections for continuous 3minutes the defrosting operation will start Start to defrost Compressor stops and starts up 558 later 3 Defrosting fi nish Compressor stops and starts up 558 later 4 Conditions of fi nishing defrosting The defrosting operation can exit when any of the conditions below is satisfied a Toutdoor pipe 12 C b Toutdoor ambient lt 5 C and the Toutdoor pipez 6 C last more than 80S c The continuous running time of defrosting reaches to 8min 6 Compressor Control Technical Information o e 33 Service Manual 34 D The frequency of compressor will be controlled with the relationship of ambient temperature and preset temperature and changing speed of ambient temperature 2 Start the compressor after starting cooling heating dry operations and the outdoor fan start for 5s When the unit is off in safety stops and switching to fan mode the compressor will stop immediately 4 In all mod
22. down horizontal louver will rotate to horizontal position L The indoor fan will be stopped after operating for 60s at setting speed c If the unit is turned off when the compressor is operating in heating mode or auto heating mode up amp down horizontal louver will rotate to horizontal position L The indoor fan will be stopped after operating for 60s at setting speed 5 Auto Mode D When Tamb 226 C the unit will operate in cooling mode The implied setting temperature is 25 C 2 Heat pump type when Tamb lt 22 C the unit will operate in heating mode The implied setting temperature is 20 C 3 Cooling only unit when Tamb lt 25 C the unit will operate in auto mode The implied setting temperature is 25 C When 23 CsTindoor amb lt 25 C the unit will operate in auto fan mode if the unit is turned on and enters into the auto mode for the first time If the unit is switched to auto mode from other mode it will keep the previous operation mode if the unit is switched to auto mode from dry mode the unit will operate at auto fan mode 2 Display Status of Indoor Indicator NOTE Nixie tube is not available for A8 panel 1 Status of Indoor Display Board CD After energization all the icons will be displayed and then only the power indicator is bright When the unit is turned on by remote controller the operation indicator will be bright Meanwhile the current setting operation mode will be displayed 2 During defrosting
23. eAll electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual eBe caution during installation and maintenance Prohibit incorrect operation to prevent electric shock casualty and other accidents N Warnings Electrical Safety Precautions 1 Cut off the power supply of air conditioner before checking and maintenance 2 The air condition must apply specialized circuit and prohibit share the same circuit with other appliances 3 The air conditioner should be installed in suitable location and ensure the power plug is touchable 4 Make sure each wiring terminal is connected firmly during installation and maintenance 5 Have the unit adequately grounded The grounding wire can t 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 can t be pressed by hard objects 9 If power cord or connection wire is broken it must be replaced by a qualified person T Notes for Installation and Maintenance 10 If the power cord or connection wire is not long enough please get the specialized power cord or connection wire from the manufacture or distributor Prohibit prolong the wire by yo
24. heating indicator on indoor unit OFF 0 5s and ON 10s Dual 8 displays setting temperature eDisplay of operation icon and mode icon After energization all the icons will be displayed for once In standby status the operation indicator will be in red If turn on the unit by remote controller the operating indication icon will be bright Meanwhile the current setting operation mode will be displayed mode indicator cooling indicator heating indicator dry indicator If turn off the light button all displays will be turned off eTemperature display control mode for split type unit eo 9 Technical Information Service Manual D When user set the remote controller as the setting temperature display status the current setting temperature will be displayed on remote controller 2 Only when the remote control signal is switched to indoor ambient temperature display status from other display status controller will display the indoor ambient temperature for 3s and then turn back to display the setting temperature When user hasnt set the temperature displaying status it will be displayed according to the setting temperature 2 Malfunction Display of Indoor Unit When multiple malfunctions occurred simultaneously malfunction protection codes will be displayed in cycle 3 Other Control Target 1 Up amp down swing function After energization up 8 down swing motor will firstly let the horizontal louver anticlockwise rotate to O
25. is within 210VAC 250VAC voltage and N restore it to Check the supply 210VAC 250VAC w Restart the unit Before protection occurs use DC voltmeter to measure the voltage between the two N ends of electrolytic capacitor on control panel AP1 test3 If the unit can work normally Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet y Refer to the Electrical Wiring Diagram and check if the connection between AP1 and COMP is loose and if the connection order is correct the connection between AP1 and COMP is unsecure or the connectionorder is wrong Use ohmmeter to measure the resistance between the three terminals on compressor COMP and compare the measurements with the compressor resistance on Service Manual Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Installation and Maintenance If capacitor C2 is failed If there is any abnormality described above Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure N the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the uni
26. less than 100 ohm Replace the electroni expansion valve If the fault is eliminated Y N Replace the control panel AP1 If the fault is eliminated Y A N y Coolant leakage refilling the coolant End Installation and Maintenance o o0 63 Service Manual 7 Power factor correct or PFC fault a fault of outdoor unit AP1 hereinafter refers to the control board of the outdoor unit Mainly detect eCheck if the reactor L of the outdoor unit and the PFC capacitor are broken Fault diagnosis process Check wiring of the reactor L of the outdoor unit and the PFC capacitor Replace it as per the wiring diagram and reconnect the wires Whether there is an damage or short circuit If the fault is eliminated N emove the PFC capacitor and measure resistance N between the two terminals The capacitor is short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistanc N between the two terminals of the reactor by an ohm gauge hether there is any damage Y Replace the reactor Restart the unit If the fault is eliminated NR or short circuit N Replace the control panel AP1 End 64 ee Installation and Maintena
27. malfunction sheet usually the sheet will be stuck on the electric box cover or top cover of the unit As long as there is a malfunction the indicator of the outdoor controller board will display the corresponding malfunction directly Some malfunctions will be displayed on the indoor unit directly and some malfunctions will be seen on the remote controller by pressing light button for 4 times in 3 seconds In the below malfunction diagnosis process Y means Yes N means No In the below malfunction diagnosis process controller board AP1 is for outdoor controller board Before proceeding malfunction check discharge the electrolytic capacitor according to the method mentioned before and make sure the voltage is below 20V Otherwise it may cause electric shock or break the controller board e 9 Installation and Maintenance Service Manual 1 Capacitor charging malfunction outdoor unit malfunction Outdoor unit malfunction indicator status Main detection point eDetect if the voltage of L and N terminal of wiring board is between 210AC 240AC by alternating voltage meter els reactor L well connected Is connection wire loosened or pull out Is reactor L damaged Malfunction diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Replace the control Fault with the voltag
28. protection indoor unit will keep original operating status Malfunction code will be displayed 3 Fan Mode D In this mode indoor fan will operate at high medium low or auto fan speed Compressor indoor fan and the four way valve will all stop operation 2 In this mode the temperature setting range is 16 30 C 4 Heating Mode D In this mode the temperature setting range is 16 30 C 2 Working condition and process of heating when the unit is turned on in heating mode indoor unit enters into anti cold air condition when the unit is tuned off the unit will enter into the condition of blowing residual heat 3 Protection function in heating mode when the compressor is stopped due to malfunction indoor fan will operate at the condition of blowing residual heat 4 Defrosting control after receiving the defrosting signal from outdoor unit heating indicator on indoor unit OFF 0 5s and ON 10s Anti cold function 6 Blowing residual heat function a During heating operation when the stopping condition for the compressor is reached the compressor and the outdoor fan motor stop operation The upper amp down horizontal louver will rotate to the horizontal position L The indoor fan will be stopped after operating for 60s at setting speed b Due to the blockage of PG motor horizontal louver will keep the stop position when the unit is turned off In other modes When the unit is stopped due to other malfunctions up amp
29. required fan speed auto low medium and high speed 5 Press and 31 button to select fan blowing angle Replacement of Batteries in Remote Controller 1 Press the back side of remote controller marked with E as shown in the fig and then push out the signal sender battery cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries and make sure the position of polar and polar are reinstall correct 3 Reinstall the cover of battery box 2 remove Note e During operation point the remote control signal sender at the receiving window on indoor unit e The distance between signal sender and receiving window should be no more than 8m and there Cover of battery box should be no obstacles between them e Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone remote controller should be close to indoor unit during operation e Replace new batteries of the same model when replacement is required e When you don t use remote controller for a long time please take out the batteries e If the display on remote controller is fuzzy or there s no display please replace batteries Emergency Operation If remote controller is lost or damaged please use auxiliary button to panel turn on or turn off the air conditioner The operation in details are as below E d aux button As shown in the fig press aux button to turn on or turn off
30. speed medium speed and high speed 3 or button e After each pressing of or button it can increase or decrease set temperature 1 C Hold or button 2s later set temperature on remote controller will change quickly After reaching to your required time loosen the button Temperature indicator on indoor unit will also change accordingly Temperature can t be adjusted under auto mode e Under TIMER ON TIMER OFF or Clock setting you can press or button to adjust time Refer to TIMER button for details 4 FAN button Press this button you can select the fan speed in sequence auto AUTO low speed 44 medium speed 44 high speed aaf C Pini a s gt a ll b Note e Under auto mode air conditioner will select proper fan speed according to ex factory setting automatically Air conditioner will select proper fan speed according to ex factory setting automatically e Low speed under dry mode 5 gt button Press this button can select up amp down swing Swing angle can be selected in sequence as below When selecting nr with remote controller it s auto swing Horizontal louver of air conditioner will swing up amp down automatically at the maximum angle When selecting Y 1 A with remote controller it s the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing A XN C gt zl D no display A
31. unit Outdoor unit Gas pipe side Valve Heat exchanger evaporator 4 gt Liquid pipe side Refrigerant pipe diameter Val Liquid 1 4 6 mm Gas 1 2 12 mm 18K Unit Liquid 1 4 6 mm Gas 5 8 16 mm 24K Unit 12 Heat exchanger condenser 000 A ve Capillary Strainer A ese COOLING HEATING Technical Information Service Manual 5 Electrical Part 5 1 Wiring Diagram elnstruction Symbol Symbol Color Symbol Symbol Color Symbol mb Re w Be Grounding wire Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model e Indoor Unit Technical Information o 0 13 14 2 GAN A180GVR T3 Service Manual RECEIVER AND TUBE ROOM DISPLAY BOARD a TEM SENSOR TEM SENSOR _AP2 gg ZN 6 E 9 I e E i YEGN o A A SER AS TERMINAL DISP1 DISP2 TUBE ROOM Neul
32. 0 position O to close air outlet If swing function has not been set after startup of the unit up amp down horizontal louver will clockwise turn to position D in HEAT mode or clockwise turn to level position L in other modes L If setting swing function while starting up the unit the horizontal louver will swing between L and D A There are 7 kinds of swing status of horizontal louver Positions L A B C and D swing between L and D and stop at any position between L and D B Upon turning off the unit the horizontal louver will close at position 0 Swing function is available only when swing C function set and indoor fan is operating D Note If the position is set between L and B A and C or B and D by remote controller the horizontal louver will swing between L and D L A B C D 2 Buzzer Upon energization and operation the buzzer will give out sound 3 Auto Button After pressing this button the unit will operate in auto mode Indoor fan will operate at auto fan speed and swing motor will operate Press this button again to turn off the unit The complete unit is energized when pressing the button and the complete unit will enter into fast testing status After energization if its detected that the auto button is pressed down and the complete unit is at fast testing status the fast testing status will be exited 4 Sleep Function This mode is only valid in cooling and heating mode The unit will select the appropriat
33. 1 Is outdoor ambient temperature higher than 53 Y it after the outdoor ambient temp gt Normal protection please operate erature is normalized Improve the heat dissipation environ gt ment of the unit 1 Check if the fan terminal OFAN is connected correctly 2 Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Ohm Replace the fan capacitor C1 Replace the outdoor fan End 60 Installation and Maintenance Service Manual 4 Start up failure following AP1 for outdoor unit control board Mainly detect eWhether the compressor wiring is connected correct els compressor broken els time for compressor stopping enough Fault diagnosis process Power on the unit Is stop time of the compressor longer than 3 minutes N Restart it up after 3 minutes Does startup fail Connect the wires as N per the connection diagram Are the wires for the compressor connected correctly Is connection sequence right Replace the control panel AP1 N If the fault is eliminated N Replace the compressor Y Ya d Installation and Maintenance o e 61 62 Service Manual 5 Out of step diagnosis for the compressor AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els the system pressure too high els the i
34. 3 Overload protection function under heating mode if 64 CsTindoor tube the unit will stop operation due to overload protection under heating If Tindoor tube lt 54 C and compressor has stopped for 3min the complete unit can then be allowed to resume operation 4 Under heating mode if 54 CsTindoor tube operation frequency of compressor will decrease or operation frequency of compressor will stop increasing 6 If the unit stops operation due to overload protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to overload protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit under fan mode or switching to heating mode 11 Discharge temperature protection function of compressor D If 115 CsTdischarge the unit stops operation due to discharge protection if Tdischarge lt 97 C and compressor has stopped for 3min the complete unit can then be allowed to resume operation 2 If 97 C lt Tdischarge operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If the unit stops operation due to discharge temperature protection of compressor for 6 times successively the unit cant resume So Technical Information Servic
35. 8K Unit Technical Information O 24K Unit Unit mm Models w H D Service Manual 3 GAG A180GVR T3 340 OI CI OCH s OC OCH O OG OCH CM d 965 396 560 a i CA 8 4 GAG A240GVR T3 370 920 790 427 Unit mm Technical Information o e 11 Service Manual 4 Refrigerant System Diagram 1 09 amp 12K Unit Indoor unit Outdoor unit Heat exchanger evaporator Gas pipe side sur du Valve E an Refrigerant pipe diameter Heat y NY exchanger SC pipe condenser e Val 9 ae Strainer Electron Strainer expansion valve 4 COOLING HEATING Liquid 1 4 6 mm Gas 3 8 9 52 mm 218 amp 24K Unit Indoor
36. A BLOCK die T SENSOR OVC COMP El E 7 M gt u s AP gt gt AT COM INNER c BN 2 Mp 9 3 AC L ie e AN FA OFAN Z YEGNS Ez V SS PE wo Y INDC1 INDC2 PE L3 13 VT VE 5 EN VEEN EKV M1 PE WH L Jop T Electronic SC SE gt ds ll expansi REACTOR AYV pansion PE away valve FAN MOTOR YEGN VALVE OPTIONAL O PE The above data is subject to change without notice Please refer to the nameplate of the unit Technical Information Service Manual 6 Function and Control 22 6 1 Remote Controller Introduction Buttons on Remote Controller FAN AUTO all OPER AIR HEALTH X FAN HUMIDITY LU FILTER es TURBO L Lic DAI dk HOUR Ze Ke 035 ON OFF CI L ZN o EK MODE en o pus V i HEALTH SAVE 9 X FAN TEMP TIMER a oo IN LA S ON OFF button MODE button button FAN button button Fx button HEALTH AVE button X FAN button TEMP button TIMER button TURBO button SLEEP button TURBO SLEEP LIGHT Oo 7 Introduction for Icons on Display Screen air mode i Auto mode L Cool mode L Dry mode 1 Fan mode F ERI doa Sleep mode amp METENDE N Set temp A Indoor ambient temp I K AQ Outdoor ambient temp ee m ums a ta SS umo e s e 0000000000000 LI SEN FAN a Si x aal oper O AIR HEALTH X FAN d M win FI ae e
37. B146N29700 K93261 Cross flow Cross flow Heating Speed SH H M L r min 1400 1200 1050 900 1400 1200 1000 900 Indoor Unit Fan Motor Power Output Ww 2 35 A 1 ndoor Unit Fan Motor RLA ndoor Unit Fan Motor Capacitor EN RR 657X25 4X304 8 765X25 4X342 9 0 5 Aluminum Fin copper Tube Aluminum Fin copper Tube o7 o7 MP28VB MP35XX 2 5 A mo D E 3 e 5 a 5 E 3 D O E 2 m ndoor Unit Model ndoor Unit Fan Diameter Length DXL m SH H M L r min gt e O o D a o 3 5 c SE ES olo v er 4 SIS ele 2 2 mu 213 a SE 3 2 DIO um o O O e 2 el Mm ES D D o uF m m m m m mm 3 a o o 2 c gt zImpo o m mimim s s amp lt lt lt lt o S S jS S 8 o o lo o S S 8 8 8 E ajojo E 22 2 12 gt olololo SISISIS n Ol DT S lt 0 5 5 rm 3 a JEE J aos 6 ct A ZU a Ol e D c A o o lt 2 LXDXW wing Motor Model wing Motor Power Output use Current 49 44 40 35 51 47 42 37 60 55 51 46 63 57 53 49 867X305X215 1008X319X221 945X380X295 1073X395X313 948X383X310 1076X398X328 1 14 5 SH H M L gt o o o c 2 Mm o E gt o U o D 5 9 lt 2 SH H M L ndoor Unit Dimension WXHXD ndoor Unit Dimension of Carton Box LXWXH Indoor Unit Dimension of Package LXWXH m kg kg Sg lc IP 2 2 m m m m m SIS o o o
38. C 2 Exit the compulsory operation control Freon recovery mode will be exited after receiving any signal from remote controller or button and then the unit will operate at the current setting command Freon mode will also be exited after operating for 25mins and then the unit will be turned off eo 9 Technical Information Service Manual Outdoor Part 1 Input Parameter Compensation and Calibration D Check the input parameter compensation function As the instruction feature of split unit concerning the comfortable in heating mode the indoor ambient temperature of compressor stopping time is higher than preset temperature Check effective judgment controls of parameters Effective judgment function of the outdoor exhaust temperature thermo bulb When conditions a and b are satisfied the outdoor exhaust temperature thermo bulb is judged not to be connected into place the mainboard of outer units will display failure of the outdoor exhaust temperature thermo bulb not connected into place stop the unit for repairing and resume it by remote controls of ON OFF 2 Basic Functions 1 Cooling Mode D Conditions and processes of cooling operation a If the compressor is stop and T preset Tindoor ambient A Tooting indoor ambient temperature compensation lt 0 5 C start up the unit for cooling and start to cooling operation b During operations of cooling if 0 C S T reset Tindoor ambient A Tcooting indoor a
39. Function Blow function can be set in cooling and dry mode 7 Indoor Fan Control Indoor fan can be set at super high high medium or low Meanwhile the fan will operate at super high high medium and low fan speed respectively and it can also set at auto fan speed 8 Memory Function Memory content includes mode up amp down swing light set temperature and set fan speed general timer clock timer cant be memorized Upon power failure the unit after power recovery will automatically start operation according to memorized content The unit without timer setting before power failure will operate according to the last setting after power recovery The unit with general timer setting which has not been fulfi lled before power failure will memorize the time setting and re calculate the time after power recovery If there is timer function in the last remote controller command but setting time has reached the system will act as timer on off setting before power failure After power failure the system memorizes the operation states before power failure without timer action Clock timer can not be memorized 9 Locked protection to PG motor If the indoor fan motors rotational speed after startup keeps slow for a continuous period of time the unit will stop operation and display H6 10 Turbo Function This function can be set in cooling or heating mode to quickly cool or heat the room Turbo function is not available in auto dry and fan
40. If the stop time of compressor If the stop time is not enough and the g N high and low pressure of system is not is more than 3min balance please start it after 3min Improve the connection situation N of control board AP1 and compressor COMP connect it with wiring diagram f the compressor wire COMP UVW well connected and connection sequence is correct Does the unit start up normally If the refrigerant charging is too much Y y Charge the refrigerant according to service manual oes the unit start up normally N y Replace control board AP1 If malfunction is removed Replace the compressor Installation and Maintenance o o 72 5 Diagnosis for compressor synchronism outdoor unit malfunction Outdoor unit malfunction indicator status D16 Main detection point elf the system pressure is over high elf the working voltage is over low Malfunction diagnosis process Synchronism after energize the unit and start it f the stop time o compressor is more tha If the compressor wire COMP UVW is well connected connection sequence forwards to clockwise direction Connect Y wire well N Replace control board AP1 y Remove w malfunction N Replace compressor me e End N By Synchronism occurred during operation
41. Installation and Maintenance Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 50K Temp C Resistance kO _ Temp C Resistance ka Tempco Resistance ko Lo 1834 se us Tas aes e gt seo s5 1e o 447 849 s 163 o as stos s 1575 02 am ms sm sm e a 7583 s 162 9 39 705 1409 os 384 sa sz tos az 6433 s 1300 9 8389 CE op NEU sem ter 99 34 se za 30 32 am ns 10 32 stas wa 102 313 dot 10 54 wo 34 aros 10 18 o p 2s 20 9 83 4516 9 49 nma 9 17 3961 8 85 ares 8 56 ss 8 27 El E Temp C Resistance kO 853 5 799 8 5 703 8 660 8 620 8 580 6 548 9 516 6 486 5 458 3 N N al O JO IM Jo A jo jo O N N Es N C2 ere O A N C e al o N 407 4 384 5 362 9 342 8 323 9 306 2 289 6 o A wm N o I 259 3 245 6 232 6 220 5 E E E mj 79 773 Za i 72 i ni i i mm E i N o 198 3 199 1 178 5 169 5 7 00 6 76 6 54 6 33 6 13 5 93 5 75 5 57 5 39 5 22 5 06 4 90 a jo Co 145 4 138 3 131 5 125 1 119 1 113 4 0 102 8 Tempco 9
42. S and blink 4 times OFF 3S and blink 6 times OFF 3S and blink 5 times During cooling and drying operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation 1 Loosening or bad contact of indoor ambient temp sensor and mainboard terminal 2 Components in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal 2 Components on the mainboard fall down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor value chart for testing 4 Mainboard damaged Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor Outdoor temperature sensor hasnt been connected well or is damaged P
43. al range Test the voltage between L N of wiring board XT by DC voltage meter elf coil resistance of compressor is normal Is compressor coil insulating to copper pipe well elf the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Malfunction diagnosis process e 9 Installation and Maintenance Service Manual switch on Energize and N Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT IPM protection occurs after the machine has run for a period of time Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Other conditions resulting in that the system pressure becomes too high capacitor test3 is higher th Voltage betweei e two ends of celectrolyti Stop the unit and disconnect the power supply Then check the connection of capacitor C2 according to Electrical Wiring Diagram If the voltage between terminal L and N on wiring board XT
44. alysis Normal communica tion Defrosting 50 OFF 3S and blink once during blinking ON 10s and OFF 0 5s contino and blink Defrosting will occur in heating mode Compressor will operate NES Its the normal state while indoor fan will stop operation Installation and Maintenance Service Manual Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Cool Heating Indicator Indicator OFF 3S and blink 13 times Malfunction Name Operation Indicator Malfunction of phase current OFF 3S and blink 13 times Malfunction of voltage dropping for DC bus bar OFF 3S and blink 20 times Malfunction of complete units current detection OFF 3S and blink 20 times module Malfunction OFF 3S and blink 17 times of zero cross Installation and Maintenance and blink 11 times Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Red Indicator Indicator Indicator OFF 3S and blink 13 times OFF 3S and blink 8 times OFF 3S A C status During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Duri
45. ambient temperature is lower than 16 C the air conditioner can t start cooling Installation and Maintenance Service Manual 9 Maintenance 9 1 Precautions before Performing Inspection or Repair There are high capacity electrolytic capacitors on the outdoor mainboard Thus even the power is cut off there is high voltage inside the capacitors and it needs more than 20min to reduce the voltage to safety value Touching the electrolytic capacitor within 20min after cutting the power will cause electric shock If maintenance is needed follow the steps below to discharge electricity of electrolytic ca pacitor after power off 1 Open the top cover of outdoor unit and then remove the cover of electric box over of electric box outdoor mainboard 2 As shown in the fig below connect the plug of discharge resistance about 100ohm 20W if there is no discharge resistance you can use the plug of soldering iron to point A and B of electrolytic capacitor There will be sparks when touching them Press them forc ibly for 30s to discharge electricity of electrolytic capacitor discharge resistance or plug of soldering iron outdoor mainboard 3 After finish discharging electricity measure the voltage between point A and B with universal meter to make sure if electricity dis charging is completed in order to prevent electric shock If the voltage between the two points is below 20V you can perform mainte nance saf
46. ature is set at 16 C the unit will operate at this temperature all the time 2 When the initial temperature is set as 17 20 C after starting up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 1 C the unit will operate at this temperature When the initial temperature is set as 21 27 C after starting up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 2 C the unit will operate at this temperature When the initial temperature is set as 28 30 C after starting up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 3 C the unit will operate at this temperature General timer and clock timer functions are compatible by equipping different functions of remote controller 5 Timer Function General timer and clock timer functions are compatible by equipping different functions of remote controller General timer Timer ON If timer ON is set during operation of the unit the unit will continue to operate If timer ON is set at unit OFF upon ON time reaches the unit will start to operate according to previous setting status Technical Information o e 31 Service Manual 32 Timer OFF If timer OFF is set at unit OFF the system will keep standby status If timer OFF is set at unit ON upon OFF time reaches the unit will stop operation 6 Blow
47. d is within 210VAC 240VAC els the reactor L correctly connected Is the connection loose or fallen Is the reactor L damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage i testing circuit on Replace the control Voltage higher than 200V Y gee perme control panel AP1 panel AP1 N Measure the AC voltage between terminalL andN on wiring board XT power supply Shut down the power and repair the power supply to restore thej range 210VAC 250VAC Voltage within power on and 210VAC 250VAC If the fault is restart the unit eliminated Y Y Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of capacitor until the N voltage is lower than 20V Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Elec HN FI trical Wiring Diagr am correctly If the wiring of Re energize and reactor Lis normal turn on the unit If the fault is eliminated Y p Replace the control panel AP1 End a Installation and Maintenance o Service Manual 58 2 IPM Protection Out of step Fault Compressor Phase Overcurrent AP1 below refers to the o
48. d the character of TURBO will be disappeared on remote controller 12 SLEEP button Press this button under cooling heating or drying mode can start up sleep function E icon will be displayed on remote controller Press this button again to cancel sleep function icon on remote controller will be displayed 13 LIGHT button Press this button can turn off the light for indoor unit s display Y icon on remote controller will disappear Press this button again to turn on the light for indoor unit s display Y icon on remote controller will be displayed Function Introduction for Combination Buttons Child lock function Press and buttons simultaneously can turn on or turn off child lock function When child lock function is started up e icon will be displayed on remote controller If operate remote controller ua icon will flash three times while remote controller won t send signal Switchover function for temperature display After turning off the unit by remote controller press button and MODE button simultaneously to switch between C and F Operation Guide 1 After putting through the power press oNloFF button on remote controller to turn on the air conditioner 2 Press Cuove gt button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press Fan button to set your
49. drain hose CU can t be fluctuant Fig 27 Fig 26 8 7 Vacuum Pumping and Leak Detection 1 Use vacuum pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 Liquid valve Gas valve Refrigerant chargin vent Y Nut of refrigerant cy Charging vent Vacuum pump Inner hexagon spanner Fig 28 2 Leakage detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detection Apply soap water at the suspected position and keep the soap water for more than 3min If there are air bubbles coming out of this position there s a leakage 8 8 Check after Installation and Test Operation 1 Chec
50. e i testing circuit on Voltage higher than 200V Y oe control panel AP1 panel AP1 N Measure the AC voltage between terminal L and N on wiring board XT power supply Shut down the power and repair the power supply to restore the range 210VAC 250VAC Voltage within ower on and 210VAC 250VAC p restart the unit If the fault is eliminated Y y Shut down the power and wait 20n muties or use DC voltmeter to measure the voltage N on the two ends of capacitor test3 until the voltage is lower than 20V Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Re energize and Electrical Wiring turn on the unit Diagram correctly If the wiring of reactor L is normal If the fault is eliminated Replace the control panel AP1 N Installation and Maintenance o e Service Manual 68 2 IPM protection desynchronizing malfunction phase current of compressor is overcurrent outdoor unit malfunction Outdoor unit malfunction indicator status Malfunction D5 6 D16 IPM protection O O Desynchronizing malfunction Compressor overcurrent Ww Main detection point elf control board AP1 and compressor COMP is well connected If they are loosened If the connection sequence is correct els voltage input in the norm
51. e Manual operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to discharge protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit or switching to fan mode 12 Current protection function D If 12A I AC current operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If 17 A lt I AC current the unit stops operation due to overcurrent protection When compressor has stopped operation for 3min the complete unit can then be allowed to resume operation 3 If the unit stops operation due to overcurrent protection for 6 times successively the unit cant resume operation automatically Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to overcurrent protection will be cleared 13 Voltage dropping protection During operation if the voltage is decreasing quickly the unit may stop operation and alarm voltage dropping malfunction 3 mins later the unit will be restarted up automatically 14 Communication malfunction If it hasnt received the correct signal from indoor unit for 3min successively the unit will stop operation due to communication malfunction If communicati
52. e in test state Compressor maximum frequence in test state During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 Showing during min cooling or min heating test Showing during nominal cooling or nominal heating test Showing during max cooling or max heating test Installation and Maintenance Service Manual Display Method of Indoor Unit Indicator Display during blinking ON Malfunction 0 5s and OFF 0 5s Cool Heating Indicator Indicator Name Operation Indicator Compressor intermediate frequence in test state 26 Overcurrent protection of phase current for compressor OFF 3S and blink 15 times 27 Charging malfunction of capacitor and blink en 17 times Malfunction OFF 3S and blink 18 times of module temperature sensor circuit 29 OFF 3S and blink 19 times Module high temperature protection 30 Display Method of Outdoor Unit Indicator has 3 kinds of display status and during
53. e sleeping curve to operate according to the different setting temperature During cooling mode When the initial temperature is set as 16 23 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 3 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time 2 When the initial temperature is set as 24 27 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 2 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time 8 When the initial temperature is set as 28 29 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 1 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time When the initial temperature is set as 30 C the unit will operate at this temperature After the unit has operate for 7hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time During Heating Mode When the initial temper
54. ely Installation and Maintenance ee 45 Service Manual 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement Applicable for 09 amp 12K model Nixie tube is not available for A8 panel z O ek o Display Method of Outdoor Unit Display Method of Indoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Indicator Display during blinking ON 0 5s and OFF 0 5s Malfunction Name Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator High OFF 3s pressure protection of SH system OFF 3S and blink twice Antifreezing protection and blink System block OFF 3S or refrigerant and blink leakage 3 times High discharge temperature and blink protection of 4 times compressor and blink 5 times Communi cation Malfunction resistant protection EEPROM malfunction decrease frequency due to high temperature of module Malfunction OFF 3S protection of and blink jumper cap 15times A C status During cooling and drying operation except indoor fan operates all loads stop operation During heating operation the complete unit stops During cooling and drying operation compressor and outdoor fan stop while indoor fan operates The Dual 8 Code Display will show E3 until the low pressure switch stop operation During cooling and drying operation compresso
55. es once the compressor starts up it will not be allowed to stop until having run for the T min Compressor running time Note including cases of shutdown when the temperature point is reached except the cases requiring stopping the compressor such as fault protection remote shutdown mode switching etc In all modes once the compressor stops it will be allowed be restart after 3 minute delay Note The indoor units have a function of power memory the machine can be restarted after remote shutdown and powering up again without delay 7 Outdoor Fan Control D When the unit is off by remote control in safety stops and stop after reaching to the temperature point In fan mode The outdoor fan stops 3 Start to defrost Outdoor fan will stop after compressor stops for 50S 4 Defrosting fi nish Outdoor fan will start up when the compressor is stopping 8 4 way valve control D The 4 way valve control under the modes of Cooling dehumidifi cation and fan closing 2 When the unit is on in heating mode the 4 way valve is energized When the unit is on in heating mode and heating mode shift to other modes the 4 way valve will be de energized after compressor stops for 2min 4 After protection stops the 4 way valve will be de energized after 4min Start to defrost The power of 4 way valve will be de energized after the compressor stops 6 Defrosting finish The 4 way valve will be energized after the compressor s
56. force by referring to the following sheet Place the open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As show in Fig 7 Open end wrench Union nut Torque wrench A Pipe EM UC 7 Fig 5 Indoor pipe Fig 6 x EB i NEN Insulating pipe Fig 7 Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m 6 Install Drain Hose 1 Connect the drain hose to the outlet pipe of indoor unit As show in Fig 8 2 Bind the joint with tape As show in Fig 9 Drain hose Outlet pipe la EX Tane Outlet Drain hose Fig 8 ut Fig 9 41 Service Manual A Note 1 Add insulating pipe in the indoor drain hose in order to prevent condensation 2 The plastic expansion particles are not provided As show in Fig 10 ___ Drain hose mmy UN Insulating pipe Fig 1 0 7 Connect Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 Panel Screw zz E n ie Pen Wiring cover 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull i
57. frigerant only Never have it mixed with any other refrigerant Never have air remain in the refrigerant line as it may lead to rupture or other hazards 3 Make sure no refrigerant gas is leaking out when installation is completed 4 If there is refrigerant leakage please take sufficient measure to minimize the density of refrigerant 5 Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite Improper installation may lead to fire hazard explosion electric shock or injury e 0 Installation and Maintenance Service Manual 8 Installation 8 1 Installation Dimension Diagram Space to the floor At least 250cm SN AS Space to the obstruction At least 50cm So NS N Drainage pipe ee Installation and Maintenance Service Manual Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit installation location Select outdoor unit installation location Install wall frame drill ID es the support of outdoor unit d n wall holes select it according to the actual situatio GE pipes of SO unit and drai nage pipe
58. g method Indicator display LED blinks 0 5s ON 0 5s OFF Outdoor unit display LEDs have 3 status GOFF mON vr Blinks 3s off blink four times Off 3s blink 8 times Off 3s blink 11 times Off 3s blinks three times blinks 4 blinks 5 AC status cooling dehumidifying except the indoor fam motor is runnig others will stop to run heating all stop running cooling dehumidifying com pressor outdoor fan motor will stop running indoor fan motor will keep running cooling dehumidifying com pressor outdoor fan motor will stop running indoor fan motor works heating all stop running Cooling dehumidifying com pressor outdoor fan motor will stop indoor fan will work heating all will stop Cooling compressor will stop indoor fan motor works Heating all will stop Cooling compressor will stop indoor fan motor works Heating all will stop Whole unit will stop to run Whole unit will stop to run Cooling dehumidifying indoor fan motor is runing other overloads will stop Heating whole unit will stop to run Cooling dehumidifying indoor fan motor runing other overload will stop Heating whole unit will stop Cooling dehumidifying com pressor will stop indoor fan motor will work Heat all will stop Cooling dehumidifying com pressor will stop indoor fan motor will work Heat all will stop Cooling dehumidifying after runing for 3mins later the compressor will stop to run indoor fan motor will start
59. gram Then Restart the unit Stop the unit and disconnect the power supply Then check the connection of capacitor C2 according to Electrical iring Diagram The connectiori of capacitor C2 outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charg volume of refrigerant is too much resulting in that the system ressure is too igh N 5 Other conditions resulting in that the system pressure b comes too high Remove the wires on the two ends of capacitor C2 Then use capacitance meter fo measure the capacitor C2 Verify as per the Parameters Sheet Top and disconnect the power supply Wait 20 minutes or us DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the unit can work normallv Replace the capacitor C2 Then energize and start the unit If the unit can work normally Refer to the Electrical Wiring Diagram and check if the connection between AP1 and is loose and if the connection order Is correct Take corrective actions according to Technical Service Manual and then energize and start the unit
60. high air discharge Limit decrease frequency due to antifreezing OFF 3S and blink 2 times OFF 3S and blink 2 times Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Red Indicator Indicator Yellow Green Indicator OFF 3S and blink 4 times A C status All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Possible Causes Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV Poor air return in indoor unit or fan speed is too low Voltage for DC bus bar is too high OFF 3S and blink 11 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 OFF 3S and blink 21 times Voltage of DC bus bar is too low Compressor Min frequence in test state Compressor rated frequenc
61. hock 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 4 The appliance must be positioned so that the plug is accessible 5 An all pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring 6 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 8 5 Installation of Indoor Unit 1 Choosing Installation location Recommend the installation location to the client and then confirm it with the client 2 Install Wall mounting Frame 1 Hang the wall mounting frame on the wall adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall 2 Drill the screw fixing holes on the wall with impact drill the specification of drill head should be the same as the plastic expansion particle and then fill the plastic expansion particles Installation and Maintenance Service Manual in the holes 3 Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame lf the plastic expansion particle is
62. k after installation Check according to the following requirement after finishing installation The unit may drop shake or installed firmly emit noise It may cause insufficient cooling refrigerant leakage test heating capacity pipeline sufficient water dripping trad rg d water dripping Is the voltage of power E according to the voltage marked on the nameplate It may cause malfunction or damage the parts Is electric wiring and pipeline installed correctly Is the unit grounded T lt may cause electric leakage securely Does the power cord It may cause malfunction or follow the specification damage the parts Is there any obstruction It may cause insufficient cooling in air inlet and air outlet heating The dust and Es caused during installation are removed The gas valve and liquid valve of connection pipe are open completely It may cause malfunction or damage the parts lt may cause malfunction or damaging the parts It may cause insufficient cooling heating capacity 2 Test operation 1 Preparation of test operation e The client approves the air conditioner installation e Specify the important notes for air conditioner to the client 2 Method of test operation e Put through the power press ON OFF button on the remote controller to start operation e Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not e If the
63. ld be bound separately at the end outdoor power cor Gas A Fig 14 Drain hose Connection pipe Band Fig 15 Indoor power cord Note 1 The power cord and control wire can t be crossed or winding 2 The drain hose should be bound at the bottom 9 Hang the indoor unit 1 Put the bound pipes in the wall pipe and then make them pass through the wall hole 2 Hang the indoor unit on the wall mounting frame 3 Stuff the gap between pipes and wall hole with sealing gum 4 Fix the wall pipe As show in Fig 16 5 Check if the indoor unit is installed firmly and closed to the wall As show in Fig 17 EA A A A Indoor Outdoor mud g Fig 16 Lower hook of wall mounting frame Note Do not bend the drain hose too excessively in order to prevent blocking o Installation and Maintenance Service Manual 8 6 Installation of Outdoor Unit 1 Fix the support of outdoor unit select it according to the actual installation situation 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws Note 1 Take sufficient protective measures when installing the outdoor unit 2 Make sure the support can withstand at least four times the unit weight 3 The outdoor unit should be installed at least 3cm above the floor in order to install drain joint As show in
64. lease add fence for safety purpose a De Service Manual 8 4 Electric Connection Requirement 1 Safety precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Please install proper power supply cables before using the air conditioner Air switch capacity All models 4 Properly connect the live wire neutral wire and grounding wire of power socket 5 Be sure to cut off the power supply before proceeding any work related to electricity and safety 6 Do not put through the power before finishing installation 7 For appliances with type Y attachment the instructions shall contain the substance of thefollowing 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 8 The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 2 Grounding requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric s
65. lease check it by referring to the resistance table for temperature sensor Outdoor discharge temperature sensor is open short circuited Limit decrease overload OFF 3S and blink 5 times OFF 3S and blink for 6 times OFF 3S and blink 7 times OFF 3S and blink 3 times During cooling and drying operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins All loads operate normally while operation frequency for compressor is decreased 1 Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 2 The head of temperature sensor hasnt been inserted into the copper tube Refer to the malfunction analysis overload high temperature resistant Decrease overcurrent Installation and Maintenance OFF 3S and blink 8 times OFF 3S and blink once All loads operate normally while operation frequency for compressor is decreased The input supply voltage is too low System pressure is too high and overload 47 Service Manual Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Cool Indicator OFF 3S and blink 9 times Malfunction Name Operation Indicator Heating Indicator Decrease frequency due to
66. loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 09 amp 12K 120 5 548 5 103 Fig 1 2 Open a piping hole with the diameter 50 or 70 on the selected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Indoor Outdoor Y 2 1 55 or 70 5 107 i Fig 2 N Note 1 Pay attention to dust prevention and take relevant safety measures when opening the hole 2 The plastic expansion particles are not provided and should be bought locally Y Installation and Maintenance o 0 4 Outlet pipe 1 The pipe can be led out in the direction of right rear right left or rear left As show in Fig 3 2 When selecting leading out the pipe from left or right please cut off the corresponding hole on the bottom case As show in Fig 4 Fig 3 Left Rear left Right ear right Left Right Fig 4 Cut off q the hole 5 Connect the pipe of indoor unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque
67. mbient temperature compensation lt 2 C the cooling operation will be still running c During operations of cooling if 2 C lt T reset Tindoor ambient A Teooting indoor ambient temperature compensation the cooling operation will stop after reaching to the temperature point 2 Temperature setting range 8 If Toutdoor ambient 2 Tiow temperature cooling the temperature can be set at 16 30 C Cooling at room temperature b If Toutdoor ambient lt Tiow temperature cooling the temperature can be set at 25 30 C Cooling at low temperature that is the minimum setting temperature for outdoor unit judgment is 25 C 2 Dry Mode D Conditions and processes of dry operations Same as the cooling mode 2 The temperature setting range is 16 30 C 3 Fan Mode 1 The compressor outdoor fan and four way valve are switched off 2 The temperature setting range is 16 30 C 4 Heating Mode Conditions and processes of heating operations Tindoor ambient is the actual detection temperature of indoor environment thermo bulb AT heating indoor ambient temperature compensation S the indoor ambient temperature compensation during heating operations a If the compressor is stop and Tindoor ambient AT heating indoor ambient temperature compensation preset 0 5 C start the machine to enter into heating operations for heating b During operations of heating if 0 C S Tindoor ambient T heating indoor
68. mode After pressing the turbo button indoor fan will operate at super high fan speed 4 Malfunction Detection for Temperature sensor 1 Indoor ambient temperature sensor Malfunction of temperature sensor will be detected at any time 2 Indoor tube temperature sensor Malfunction of temperature sensor wont be detected during defrosting period It starts detecting the malfunction of temperature sensor after defrosting is fi nished for 5 mins Malfunction of temperature sensor will be detected at any other time 3 Protection of temperature sensor 1 When the temperature sensor is detected short circuit for 5s successively The detected temperature by the temperature sensor is too high and the complete unit will stop operation meanwhile the protection and malfunction of temperature sensor will be displayed accordingly 2 When the temperature sensor is detected open circuit for 5s successively The unit will stop operation due to protection and the corresponding malfunction of temperature sensor will be displayed directly 5 Compulsory operating function of indoor unit 1 Enter into compulsory operation control After the unit is energized for 5mins press the light button on remote controller for 3 times in 3s successively to enter into Freon recovery mode Fo will be displayed When Freon recovery mode operated for 25mins all loads will operate in cooling mode The setting fan speed is high fan speed and the setting temperature is 16
69. nce Service Manual 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect els there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged eDetect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not if is there any damage Fault diagnosis process Start Did the equipment operate normally before the failure occurs v Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of m the indoor and outdoor Y s the connection right units N N y Correctly connect the corresponding wires for the indoor and outdoor units with reference to f he AP1 voltage detection circuit 4 Y is at fault E v Are wires broken the wiring diagram Check the communication Tie tau iSc eliminated circuit of the outdoor unit If the fault is eliminate The communicatio Replace the main board circuit is abnorm i CAP1 of the outdoor unit N f the fault is eliminated N Replace the main board of the indoor unit Y mm CZ Installation and Maintenance o o 65 Service Manual 66 Applicable for 18 amp 24K model Confirm the malfunction type according to the malfunction indicator of indoor outdoor unit and
70. ndoor and outdoor electric box is loose N N Connect wire of indoor and outdoor unit according to circuit diagram ER the connection wire Connectwire of indoor and outdoor unit according to Se y circuit diagram Check communication circuit of outdoor unit If the malfunction is removed Replace outdoor Y mainboard AP1 If the malfunction is removed 2 Problem of communication circuit N y Replace indoor mainboard 74 ee Installation and Maintenance Service Manual Diagnosis process for outdoor communication circuit refer to the key detection points of outdoor unit Test voltage valueof Test10 position in diagram with voltage meter Number jumping Test voltage value of Test 13 position in diagram with voltage meter Number jumping Outdoor unit malfunction Test voltage end value of Test 10 position in diagram with voltage meter Number jumping Test voltage value of Test 12 position in diagram with volltage meter Number jumping Communication circuit of outdoor unit is normal Installation and Maintenance o Service Manual Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Ambient temperature
71. nection wire to the wiring terminal according to the color fix them with screws As show in Fig 23 N 2 3 T bue bck boi yellow green Connect to indoor unit Fig 23 2 Fix the power connection wire wire with wire clip Note 1 After tightening the screw pull the power cord slightly to check if it is firm 2 Never cut the power connection wire to prolong or shorten the distance 6 Neaten the pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 2 If the outdoor unit is higher than the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 N Wall Y The drain hos AX E N Note 1 The through wall height of drain hose shouldn t be higher than the outlet pipe hole of indoor unit As show in Fig 25 2 Slant the drain hose slightly downwards The drain hose can t be curved raised and fluctuant etc As show in Fig 26 Fig 25 43 Service Manual 44 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 Y x x The drain hose can t be fluctuant The water outlet can t be placed FS x in water The water outlet can t be fluctuant x The
72. ng dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running DC fan motor malfunction or system blocked or the connector loosed 1 Power supply is abnormal 2 Detection circuit of indoor control mainboard is abnormal Pls refer to troubleshooting Pls refer to troubleshooting Pls refer to troubleshooting Replace the outdoor control board AP1 Replace the outdoor control board AP1 53 Capacitor charge malfunction Module sensor circuit diagram Module temp over high protection DC Bus voltage dips Low DC Bus voltage protection IPM temp is too high limit decrease frequency Four way valve abnormal Outdoor unit zero cross detecting error Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Over load normal works compressor runing frequency declines This malfunction ha
73. ng cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation If this malfunction occurs during heating operation the complete unit will stop operation The complete unit stops Possible Causes Replace outdoor control panel AP1 Supply voltage is unstable Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 1 Supply voltage is lower than AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged please replace 4V 1 Power supply is abnormal 2 Detection circuit of indoor control mainboard is abnormal 51 Service Manual 52 Applicable for 18 amp 24K model Nixie tube is not available for A8 panel Name of malfunction System high pressure protection Anti freezing protection Compressor air exhaust high temp protection AC overload protection Indoor and outdoor units communication malfunction Anti high temp protection Indoor unit motor no feedback Jump wire cap malfunction protection Indoor ambient sensor open circuit short circuit Indoor evaporator sensor ciruit open short circuit Outdoor ambient sensor circuit open circuit short Outdoor condemsor sensor open circuit short circuit o N E Outdoor air exhaust sensor open circuit short circuit Indoor unit displayin
74. nput voltage too low Fault diagnosis process Out of step occurs once the unit is powered on Is stop time of the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction N onnect the Y wires correctl Replace the control panel AP1 Y If the fault is eliminated N Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated N Replace the j compressor Check if the fan terminal N OFAN is connected correctly Replace the fan capacitor C1 Replace the outdoor fan Y Remove foreign objects End Installation and Maintenance Service Manual 6 Overload and air exhaust malfunction diagnosis following AP1 for outdoor unit control board Mainly detect els the PMV connected well or not Is PMV damaged els refrigerant leaked Fault diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Y v Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same
75. of Compressor WB outdoor unit exchanger indoor unit outdoor unit evolution Pme meo 1200 rps 091011 12014 751037 08010 101012 851045 27 19 35 24 Super High High 0 9 to 1 1 12 to 14 70 to 40 0 8 to 1 0 10 to 12 72 to 40 Heating Rated cooling Pressure of gas pipe Inlet and outlet pipe condition C DB connecting indoor and temperature of heat Fan speed oflFan speed of Compressor WB Model outdoor unit exchanger indoor unit outdoor unit evolution rps TICO 2 4 to 2 6 70 to 35 Super High High 2 5 to 2 7 T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 5 m Instruction 2 4 Noise Curve Indoor side noise when blowing 60 56 18 amp 24K Heating 54 50 52 X 24K Z 5 18 amp 24K Cool a 48 o o KE 12K z u o IM a 46 12K Hea 09812K Cooling 2 sg 18K 09K 44 42 20 l Low Middle High Super High 40 20 30 40 50 60 70 80 90 Indoor fan motor rotating speed Compressor frequency Hz e o Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 0 J 098 12K Unit 1
76. on malfunction is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation 15 IPM module protection After compressor is turned on if it causes overcurrent to IPM modular or control voltage is too low due to some abnormal causes IP will generate modular protection signal Main chip will detect the modular protection signal as soon as the unit is turned on Once modular protection signal is detected the unit will stop operation immediately due to protection If modular protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If the unit stops operation due to modular protection for 3 times successively the unit cant resume operation automatically except pressing ON OFF button If compressor has operates for more than 10 min successively the stop operation times due to modular protection will be cleared 16 Modular overheating protection D If 80 CsTmodular operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If 95 C lt Tmodular the unit will stop operation due to protection if Tmodular lt 87 C and compressor has stopped for 3min the complete unit can then be resume operation 3 If the unit stops operation due to modular overheating protection for 6 times successively the unit cant resume operation automatically Only press ON OFF button can resume the operation During opera
77. ppened only in heating mode al will stop to run Cooling compressor will stop indoor fan motor works Heating all will stop Service Manual Pls refer to Part 3 capacitor charging fault of troubleshooting Replace the outdoor control board AP1 To check whether the ambient Temp of IPM is too high or the heat sinhing of IPM is dirty else replace the outdoor baord AP1 Power voltage is not stable 1 Check the Input voltage if the Voltage is lower than 150VAC restart the machine when the power supply is mormal 2 Checking the reactor L connection Whole unit break for 20 mins and discharge to check the outdoor control board AP1s IPM module coolant whether is short the radiator is tightened If above phenomenon is not OK Please improve or replace the control board AP1 1 Power supply voltage is lower than AC175V 2 Wire terminal 4V loosen or wire break 3 4V damaged replace 4V Replace the outdoor control board AP1 54 Anti freezing Ilmit decrease frequency All loads work normally but the running frequency limited or decrease Indoor unit air return is poor or fan speed is to low Installation and Maintenance Service Manual 9 3 Procedure of Troubleshooting Applicable for 09 amp 12K model 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Points eUse AC voltmeter to check if the voltage between terminal L and N on the wiring boar
78. r and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased Wireless remote receiver and button are effective but can not dispose the related command Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty 1 Low pressure protection 2 Low pressure protection of system 3 Low pressure protection of compressor Please refer to the malfunction analysis discharge protection overload 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty Refer to the corresponding malfunction analysi
79. r on indoor unit displays outdoor ambient temperature Note e Outdoor ambient temperature display may can t be selected for some models When indoor unit receives A signal it displays indoor set temperature e Only for the model whose indoor unit has dual 8 display 10 TIMER button e At ON status press this button once can set TIMER OFF The character of HOUR and OFF will flash Press or button within 5s can adjust the time of TIMER ON After each pressing of or button time will increase or decrease half an hour When holding or button 2s later the time will change quickly until to reach to your required time After that press TIMER button to confirm it The character of HOUR and OFF won t flash again Cancel TIMER OFF Press TIMER button again under TIMER OFF status eo 9 Technical Information Service Manual e At OFF status press this button once can set TIMER ON Please refer to TIMER off for detailed operation Cancel TIMER ON Press TIMER button again under TIMER ON status Note e Time setting range 0 5 24 hours e Time interval between two operations can t exceed 5s Otherwise remote controller will exit the setting status automatically 11 TURBO button When pressing this button under cooling or heating mode air conditioner will enter into quick cooling or quick heating mode The character of TURBO is displayed on remote controller Press this button again to exit turbo function an
80. s Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel AP 1 Discharging after the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard Installation and Maintenance Service Manual Malfunction Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Heating Indicator Indicator Indicator A C status Possible Causes OFF 3S and blink 1 times OFF 3S and blink 1 times When the outdoor unit receive signal of Gathering refrigerant the system will be forced to run under cooling mode for gathering refrigerant Nominal cooling mode Indoor ambient temperature sensor is open short circuited Indoor evaporator temperature sensor is open short circuited Outdoor ambient temperature sensor is open short circuited Outdoor condenser temperature sensor is open short circuited OFF 3S and blink once OFF 3S and blink twice OFF 3S and blink 3 times OFF 3
81. s short 3 Electric expansion malfunction 1 Testing wire terminal L and N position If higher than 265VAC please cut off the power supply and restart until back to normal 2 If input voltage is normal testing the voltage of electrolytic capacitor on AP1 after turn on the unit There may be some problem and replace the AP1 if the electrolytic capacitor voltage range at 200 280V The circuit on AP1 has malfunction replace the outdoor unit AP1 Please refer to troubleshooting IPM protection compressor lose steps compressor current overcurrent protection It is normal function 1 Wire terminal OVCCOMP loosen or circuit has problem the resistance of SAT should be lower than 1 ohm 2 Please refer to troubleshooting exhaust overload protection Pls refer to troubleshooting Malfunction Off 3s of zero cross blink 17 detection circuit times PFC protection Compressor lose steps CU NU Ku ors aen blink 13 testing circuit p s times malfunction EEPROM malfunction Installation and Maintenance 15 B u 22 IPM protection Outdoor DC OFF 3S 23 fan motor and blink malfunction 23 times a E Outdoor DC fan motor malfunction lead to compressor stop operation The complete unit stops Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooli
82. t can work normallv Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Ve Take corrective actions according to Technical Service Manual and then energize and start the unit If the unit can work normally Replace the control panel AP1 Connect the control panel AP1 and compressor COMP correctly accordin to the Electrical Wiring Diagram Then energize and start the unit the resistance is N normal Resistance higher than SOOMO N Y Replace the control panel AP1 If the unit can work normally Replace the compressor COMP END I 69 Service Manual 3 Diagnosis for high temperature overload protection check outdoor unit in cooling mode and check indoor unit in heating mode Outdoor unit malfunction indicator status D5 D16 D30 a u Main detection point elf the outdoor ambient temperature is in normal range elf the indoor and outdoor fan is running normally elf the radiating environment inside and outside the unit is well including if the fan speed is too low elf the tube temperature sensor of indoor and outdoor unit is normal Malfunction diagnosis process High temperature overload protection If the outdoor and outdoor unit is too high If the radiating of o
83. t out from the front side As show in Fig 12 3 Remove the wire clip connect the power connection wire to the wiring terminal according to the color tighten the screw and then fix the power connection wire with wire clip As show in Fig 13 09 12 24K unit 18K unit N02 3 O Mal 2 o Wel black bow E wel back oom r Connect to outdoor unit Connect to outdoor unit Fig 13 4 Put wiring cover back and then tighten the screw 5 Close the panel Note 1 AII wires of indoor unit and outdoor unit should be connected by a professional 2 If the length of power connection wire is insufficient please contact the supplier for a new one Avoid extending the wire by yourself 3 For the air conditioner with plug the plug should be reachable after finishing installation 4 For the air conditioner without plug an air switch must be installed in the line The air switch should be all pole parting and the contact parting distance should be more than 3mm 42 8 Bind up pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe shou
84. te resistance for this terminal should 31 protection for and blink fand blink E GEES 3 timas S tines During heating operation the be less than 1ohm H complete unit will stop 2 Refer to the malfunction analysis operation discharge protection overload During cooling and dryin 9 9 y 9 Refer to the malfunction operation compressor will stop analysis IPM protection loss OFF 3S OFF 3S while indoor fan will operate y P i 32 and blink and blink RDUM E of synchronism protection and 5 times 4 times 3 3 P overcurrent protection of phase complete unit will stop current for compressor operation Module OFF3S OFF3S 33 temperature and blink and blink is too high 5times 10 times Installation and Maintenance 49 Service Manual Malfunction Name Internal motor fan motor do not operate Desynchro nizing of compressor Outdoor DC fan motor malfunction Indoor unit and outdoor unit doesnt match Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Cool Indicator Operation Indicator Heating Indicator and blink OFF 3S and blink 7 times OFF 3S and blink 6 times and blink 23 times OFF 3S and blink 20 times OFF 3S and blink 19 times OFF 3S and blink 11 times Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF Red Indicator Indicator Yellow Indicator
85. temperature Set temperature can t be adjusted and also can t be displayed Press FAN button can adjust fan speed Press gt button and 7 button can adjust swing angle e After selecting cool mode air conditioner operates under cool mode Cool indicator 3 on indoor unit is ON You can press or button to adjust set temperature Press FAN button can adjust fan speed Press n button and zz button can adjust swing angle e After selecting dry mode air conditioner operates under dry mode at low speed Dry indicator d on indoor unit is ON Under dry mode fan speed can t be adjusted Press 3r button and AR button to adjust swing angle e After selecting fan mode air conditioner operates only under fan mode All mode indicators on indoor unit is OFF Press FAN button can adjust fan speed Press 3 button and AR button to adjust swing angle e After selecting heat mode air conditioner operates under heat mode Heat indicator E on indoor unit is ON You can press or button to adjust set temperature Press FAN button to adjust fan speed Press SE button and AR button to adjust swing angle Cooling only unit can t receive the signal for heating mode Note For preventing cold wind after starting up heating mode indoor fan will blow fan after delaying 1 5min Details time is decided by indoor ambient temperature Temperature setting range on remote controller 16 C 30 C Fan speed setting range auto low
86. the air conditioner When the air conditioner is turned on it will operate under auto mode Technical Information o e 25 Service Manual 30 For 18 24K Unit Indoor Part Temperature Parameter 4 Room setting temperature Tpreset Room ambient temperature Tamb temperature sensor 15K partial pressure resistance 15K 4 Surface temperature of copper pipe for indoor heat exchanger Tindoor tube temperature sensor 20K partial pressure resistance 20K 1 Basic Functions of System 1 Cooling Mode D In this mode indoor fan and swing will operate according to the setting status The temperature setting range is 16 30 C 2 When the unit stop operation due to malfunction of outdoor unit or protection indoor unit will keep original operating status Malfunction code will be displayed When Os Tpreset Tamb if the indoor unit is operating at high fan speed the speed of fan will change to medium fan speed if the indoor unit is operating at medium or low fan speed the speed of fan will keep the same This condition can only be carried out after the compressor is started up Theres no change for super high fan speed when Tamb Tpreset 21 C the fan speed will resume setting fan speed 2 Dry Mode D In this mode fan will operate at low fan speed and swing will operate at setting status The temperature setting range is 16 30 C 2 When the unit stop operation due to malfunction of outdoor unit or
87. tion process if compressor operates for more than 10min times of stop operation due to modular overheating protection will be cleared Malfunction times will be cleared immediately when turning off the unit or switching to fan mode 17 Overload protection of compressor D If it detected that overload switch of compressor breaks for 3s successively the system will stop operation due to protection If it detected overload protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If it detected that the unit stops operation due to overload protection of compressor for 3 times successively the unit cant resume operation automatically except pressing ON OFF button After compressor operates for 30min overload protection times of compressor will be cleared Technical Information o e 35 36 Service Manual Part I Installation and Maintenance Safety Precautions Important Please read the safety precautions carefully before instal lation and maintenance The following contents are very important for installation and maintenance Please follow the instructions below eThe installation or maintenance must accord with the instructions eComply with all national electrical codes and local electrical codes ePay attention to the warnings and cautions in this manual eAll installation and maintenance shall be performed by distributor or qualified person
88. tions Indoor DB20 C WB15 C 2 Outdoor DB7 C WB6 C 1 Indoor air flow High Pipe length 5m 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Technical Information Service Manual 2 3 Capacity Variation Ratio According to Temperature 09812K Unit Heating Cooling tion Indoor DB20 C Indoor air flow Super High Pipe length 5 m Conditi 120 100 p Condition Indoor DB 27 C WB19 C Indoor air flow Super High Pipe length 5 m 95 oneJ Ajroede 10 10 15 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Outdoor temp C 18 amp 24K Unit Heating Cooling T2 d d 4 4 4 4 4 Indoor DB20 C WB15 C Indoor air flow High Pipe length 5m Conditions 110 100 o o O LO ones poedeo Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 95 oyes Aoede 10 42 43 37 38 39 40 41 Outdoor temp C 34 35 36 32 33 Outdoor temp C Technical Information Service Manual 2 5 Cooling and Heating Data Sheet in Rated Frequency Cooling Rated cooling Pressure of gas pipe Inlet and outlet pipe condition C DB connecting indoor and temperature of heat Fan speed oflFan speed
89. to run heating after run 3 mins later all will stop to run Malfunctions High pressure of system might be 1 Refrigerant is too much 2 Poor heating exchanging for units including heat exchanger is dirty and unit heating radiating ambient is poor 3 Ambient temp is too high 1 Poor indoor unit air returning 2 Indoor fan motor rotating speed abnormal 3 Evaporator is dirty Pls refer to rtouble shoot air exhaust protection overload 1 power supply is stable fluctuation is too much 2 Power supply is too low overload is too much Please refer to troubleshooting Please refer to troubleshooting 1 Poor insert for GPF 2 Indoor control board AP1 malfunction 3 Indoor motor M1 malfunction Indoor control board AP1 jump cap poor connected please reinsert or replace the jump cap 1 Room temp sensor is not connected with the control panel AP1 2 Room temp sensor is damaged 1 Tube temp sensor is not connected with the conrtol panel AP1 2 Tube tmep sensor is damaged Outdoorroom temp sensor hasnt connected well or damaged please refer to the sensor resistance value for checking Outdoorroom temp sensor hasnt connected well or damaged please refer to the sensor resistance value for checking 1 Exhaust temp sensor hasnt connected well or damaged plwease refer to the sensor resistance value for checking 2 Sensor head hasnt insert into the copper tube Overload limit descending frequency blinks
90. tops 9 Freeze prevention protection D Under cooling or drying mode if it detected that Tindoor tube lt 0 C for 3 min successively the unit will stop operation due to freeze prevention protection If 6 C lt Tindoorr tube and compressor has stopped for 3min the complete unit can be allowed to resume operation 2 Under cooling or drying mode if Tindoor tube lt 6 C the operation frequency of compressor may decrease or the operation frequency of compressor may stop increasing 3 If the unit stops operation due to freeze prevention protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to freeze prevention protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit or switch to fan heating mode 10 Overload protection function Overload protection function under cooling or drying mode if 65 CsToutdoor tube the unit stops operation due to overload protection under cooling if Toutdoor tube lt 55 C and compressor has stopped for 3mins the complete unit can then be allowed to resume operation 2 under cooling or drying mode if 55 C lt Toutdoor tube operation frequency of compressor will decrease or operation frequency of compressor will stop increasing
91. uch as welding machine medical equipment 3 The place near coast area 4 The place with oil or fumes in the air in the air 5 The place with sulfureted gas 6 Other places with special circumstances 2 Indoor Unit 1 There should be no obstruction near air inlet and air outlet 2 Select a location where the condensation water can be dispersed easily and won t affect other people 3 Select a location which is convenient to connect the outdoor unit and near the power socket 4 Select a location which is out of reach for children 5 The location should be able to withstand the weight of indoor unit and won t increase noise and vibration 6 The height of indoor unit should be between 250 cm from the floor in order to provide sufficient space for maintenance 7 Don t install the indoor unit right above the electric appliance 8 The appliance shall not be installed in the laundry 3 Outdoor unit 1 Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood 2 The location should be well ventilated and dry in which the outdoor unit won t be exposed directly to sunlight or strong wind 3 The location should be able to withstand the weight of outdoor unit 4 Make sure that the installation follows the requirement of installation dimension diagram 5 Select a location which is out of reach for children and far away from animals or plants If it is unavoidable p
92. urself 11 For the air conditioner without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 3mm 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the electric leakage 14 Replace the fuse with a new one of the same specification if it is burnt down don t replace it with a cooper wire or conducting wire 15 If the unit is to be installed in a humid place the circuit breaker must be installed Installation Safety Precautions 1 Select the installation location according to the require ment of this manual See the requirements in installation part 2 Handle unit transportation with care the unit should not be carried by only one person if it is more than 20kg 3 When installing the indoor unit and outdoor unit a suffi cient fixing bolt must be installed make sure the installation support is firm 4 Ware safety belt if the height of working is above 2m 5 Use equipped components or appointed components dur ing installation 6 Make sure no foreign objects are left in the unit after fin ishing installation Refrigerant Safety Precautions 1 Avoid contact between refrigerant and fire as it generates poisonous gas Prohibit prolong the connection pipe by welding 2 Apply specified re
93. utdoo and indoor unit is well f the indoor and outdoo fan work well ambient temperature is higher than 53 cooling mode if the ambient temperature of indoor v ormal protection please use it after improving ambient temperature of indoor and outdoor unit mprove the radiating environment of the unit gt 1 Check if fan terminal OFAN is connected well 2 Test if the motors of indoor and outdoor unit are broken check if the tube temp sensor is normal according to the resistance sheet check outdoor tube temp in cooling mode check indoor tube temp sensor in heating mode i mu De energize the unit and wait for 20min temperature Replace the control board replace the outdoor sensor control board in cooling mode replace the indoor control board in heating mode v Replace fan capacitor C1 Is the tube temp sensor normal 70 e o Installation and Maintenance Service Manual 4 Diagnosis for failure start up malfunction outdoor unit malfunction Outdoor unit malfunction indicator status D5 De Di6 D30 Main detection point elf the compressor wiring is correct elf the stop time of compressor is enough elf the compressor is damaged elf the refrigerant charging is too much Malfunction diagnosis process Energize the unit and start it
94. utdoor Unit and Primary Judgement eenen 9 3 Procedure of Troubleshooting utu vorertenenerrdere verbrede ramen deed ebe e 9 Table of Contents Service Manual ADPENA DU eenen lcd Appendix 1 Reference Sheet of Celsius and Fahrenheit esses Appendix 2 Configuration of Connection Pipe nennen nnne Appendix 3 List of Resistance for Ambient Temperature Sensor nnn annnnnennene nennen Table of Contents o e Service Manual Part Technical Information 1 Summary Indoor Unit GAN A180GVR T3 GAN A240GVR T3 Outdoor Unit GAG A180GVR T3 GAG A240GVR T3 Remote Controller YB1F2 Technical Information o e 2 Specifications 2 1 Specification Sheet Service Manual GAN A180GVR T3 GAN A240GVR T3 GAG A180GVR T3 GAG A240GVR T3 5570 1100 6000 2220 600 2800 L h 4 Model Product Code Rated Voltage Rated Frequency Phases Power Supply Mode Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Heating Power Input Min Max Cooling Current Input Heating Current Input Rated Input Rated Cooling Current Rated Heating Current P ower Supply HE gt nm o lt 5 E 3 o T I I lt SEKR F 1 GAN A180GVR T3 CB146N29300 K93261 C
95. utdoor control panel Main check points els the connection between control panel AP1 and compressor COMP secure Loose Is the connection in correct order els the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT els the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition els the working load of the machine too high Is the radiation good els the charge volume of refrigerant correct Fault diagnosis process Y ee Installation and Maintenance Service Manual Energize and switch on Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT f the voltage between terminal L and N on wirin board XT is within 210VAC 250VAC Check the supply voltage and restore it to 210VAC 250VAC IPM protection occurs after the machine has run for a period of time Restart the unit Before protection occurs use DC voltmeter to measure the voltage 4 between the two 9 N ends of electro A capacitor on contro panel APT Voltage between he two ends of celectrolyti capacitor is higher than If the unit can Please confirm 1 If the indoor and outdoor heat Reconnect the capacitor C2 according to Electrical Wiring Dia

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