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service manual ash-09aim2 pt, ash-13aim2 pt

1. Installation and Maintenance 56 Service Manual Part Code ASH 13AIM2 PT Qty Product Code CB404W03500_L31222 Front Gril 22413043 Front Panel Assy 0153304810 Axial Flow Fan 10333004 Chassis Sub assy 02803304P T T E E i E 6 7 r r 2 1 2 2 2 31 Compressor and Fittings 0010389601 32 Small Handle 26233100 Above data is subject to change without notice Description 7 Installation and Maintenance o o 57 Service Manual 11 Removal Procedure AN VVarning Be sure to vvait for a minimum of 20 min
2. Installation and Maintenance e 63 Service Manual Procedure Right side plate NG AIN O KAN AT iB pe Dz AN DS BS T Ww S SS c NIS Sp A KS NA AX ACE Axial flow blade Remove connection screws between the front grille and the front panel Then remove the front grille panel with the chassis and the motor support and Remove connection screws connecting the front then remove the front panel Remove connection screws connecting the right side plate with the valve support and the electric Remove the nut fixing the blade and then remove the axial flow blade box Then remove the right side plate 3 Remove grille and front panel 4 Remove axial flow blade 5 Remove right side plate Installation and Maintenance 64 Service Manua
3. O Installation and Maintenance o o 37 Service Manual Display Method of Outdoor Display Method of Indoor Unit did Unit Indicator has 3 kinds of nee a NS display status and during Malfunction held NO Dual 8 Plinking ON 0 5s and OFF blinking ON 0 5s and OFF A C status Possible Causes Name Code 0 5s 0 5s Displ SPD Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator Decrease Overload or temperature is too All loads operate normally frequency uiia high 19 due to F9 Refrigerant is insufficient operation frequency for high air Malfunction of electric expansion compressor is decreased discharge valve EKV Limit decrease All loads operate normally D e Poor air return in indoor unit or fan 20 frequency FH while operation frequency for speed is too low due to compressor is decreased antifreezing 1 Measure the voltage of position L and N on wiring board XT if the During cooling and drying voltage is higher than 265VAC turn operation compressor will stop on the unit after the supply voltage oltage Tor TG lt is increased to the normal range while indoor fan will operate 21 DC bus bar PH vid Dia heat th 2 If the AC input is normal is too high 13 times abn eli neue ON Me measure the voltage of electrolytic complete unit will stop capacitor C on control panel AP1 operation if its normal theres malfunction for the cir
4. 108 7 15 68 102 9 N Q A co co 1 00 O N O A al O 3 O zx I e 2 Ix dl Q 14 36 13 74 13 16 12 6 12 07 11 57 11 09 10 63 10 2 9 779 9 382 9 003 8 642 8 297 7 967 7 653 1 992 7 065 6 791 6 529 6 278 6 038 5 809 5 589 5 949 9 197 4 986 4 802 4 625 4 456 4 294 4 139 O Ol 92 22 87 35 82 75 18 43 14 35 NO O N O O O O JO JO Co Oo roo joo joo OO NIN IN TN IN IN IN TN IN O O al N 00 N Eh IW IN OOo IN Eh JO IN D O 00 N O 66 88 63 46 60 23 57 18 94 31 51 59 49 02 2 3 4 O1 las I I A A I O1 O 116 0 642 7 0 625 8 0 608 9 0 592 120 0 577 1 0 561 2 0 547 3 0 532 124 0 519 0 505 0 492 0 48 128 0 467 29 0 456 0 444 0 433 0 422 0 412 34 0 401 3 0 391 136 0 382 E a E a E E a a a E a 44 31 E a a a E E a a a E E E a a a a a a 42 14 40 09 38 15 36 32 34 58 32 94 31 38 N N S I NO al NO al 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 6 4 NO N A NO Co 28 51 21 18 25 92 24 73 NO 3 O A 69 la la Si I oO O 2 3 O 22 53 21 51 20 54 19 63 BA 69 N 00 C 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
5. Is the malfunction mainboard AP2 eliminated eliminated Installation and Maintenance Service Manual 8 Malfunction of Overcurrent Protection E5 Main detection points e Is the supply voltage unstable with big fluctuation e Is the supply voltage too low with overload e Hardware trouble Malfunction diagnosis process Yes Normal fluctuation should be within 10 96 Is the supply voltage unstable of the rated voltage on the nameplate with big fluctuation s malfunction eliminated s malfunction eliminated No Is the supply voltage too low with overload Adjust the supply voltage to maintain it within normal range No No Is the indoor outdoor Clean the indoor and outdoor heat s malfunction heat exchanger dirty or are the air inlet exchangers and remove the blockage eliminated and outlet blocked of air inlet and outlet The fan is abnormal Fan speed is too low or fan doesn t rotate Check the motor and reinstall the s malfunction motor to have the fan run normally eliminated easure the current of live wire on the main board with a clamp ampere meter Is the current higher than the alue of the overcurrent protectio Replace the mainboard with the same s malfunction model eliminated s there blockage inside the system Filth blockage ice plug greasy blockage the cut off valv
6. e C one Vacuum pump Charging vent TE Inner hexagon 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 Installation and Maintenance 0 8 8 Check after Installation and Test Operation 1 Check after Installation Check according to the follovving requirement after finishing installation Possible malfunction The unit may drop shake or installed firmly emit noise It may cause insufficient cooling refrigerant leakage test heating capacity pipeline sufficient water dripping Se den AN ee oe nication ang water dripping Is the voltage of power supply according to the lt may cause malfunction or voltage marked on the damage the parts nameplate O Is electric wiring and 5 It may cause malfunction or pipeline installed damade De tare correctly i securely E fonte semeton amago he para follow the specification damage the parts 9 nar metandar outen latnak S in air inlet and air outlet heating The dust and 10 sundries caused It may cause malfunction or during installation are damaging the parts removed The gas valve and liquid valve of connection
7. 44 O Service Manual Installation and Maintenance Service Manual 5 Overload and high discharge temperature malfunction H3 E4 Main detection points e f the electronic expansion valve is connected well Is the electronic expansion valve damaged e f the refrigerant is leaked e The compressor overload protection terminal is not connected well with the mainboard e f the overload protector is damaged e Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad e Too much load of the system causes high temperature of compressor after working for a long time e Malfunction of discharge temperature sensor Malfunction diagnosis process Installation and Maintenance o o0 45 46 C H3 or E4 is displayed D 30min after power off the unit Y Service Manual If the overload protector SAT well connected N Y Under ambient temperature est the resistance of overload protector with ohmmeter resistance value should be lt 10000hm Y v Connect wire N If the wiring terminal FA of electronic N according to wiring expansion valve is well connected diagram Y Replace EKV coil of electronic expansion valve Is the malfunction Y gt eliminated N v y Check the situation of refrigerant if there is leak
8. SERVICE MANUAL SINCLAIR AIR CONDITIONING Service Manual Table of Contents Part Technical Information cocino 1 1 Summary 1 2 Specifications i o 2 e os A o e NUES 2 2 2 Operation Characteristics rado UNICI 4 2 3 Capacity Variation Ratio According to Temperature oocconccocccoccconconnconnconconncnnncnnnonnnnnnnns 4 2 4 Cooling and Heating Data Sheet in Rated Frequency c occccccoconccocncocnnncnonanoconocanocanonnnos 5 Zo NOSE CUNG cc 9 3 Outline Dimension Diagram A en ee Pek eee ges 6 IOO gl ira sa aa aa ieee odas 6 D ITOO UNI anara e e E OOO o 6 4 Refrigerant System Diagram 7 5 Electrical Parte 8 De TVR IIO AN RE m m 8 a OD Ee AN eee eee o eee NB EM PME D 10 6 Function and Control aaa aaa aaa an eee eve rene ee 12 6 1 Remote Controller Introduction e abel 12 6 2 Brief Description of Modes and Functions aaneen enen ernenenenenersenenerenersnnn 16 Part Installation and Maintenance 21 7 Notes for Installation and Maintenance 21 8 Installation eenen 23 8 1 Installation Dimensi n Diagram sanes toner tre TERIS E Aa p nenen 23 9 2 Insrallagorn Pans sere CIIEICE sais aden eects a aga a deed one eeen 25 8 3 Selection of Installation Location src temarios MRRCU OU TIRE 25 8 4 Electric Conne
9. i i i 28 30 32 34 36 38 40 42 43 44 46 48 15 10 5 0 5 7 10 Outdoor temp C Outdoor temp C Oo 9 Technical Information Service Manual 2 4 Cooling and Heating Data Sheet in Rated Frequency Cooling Rated cooling condition C DB WB and outdoor unit Model eme tico 1200 Pressure of gas pipe connecting indoor Inlet and outlet pipe temperature of heat exchanger Compressor frequency 27119 35 24 0 8 to 1 0 ASH 13AIM2 PT Heating Rated heating condition C DB WB connecting indoor and outdoor unit Model eme tico 1200 2 2 to 2 4 ASH 09AIM2 PT 20 15 7 6 ASH 13AIM2 PT Instruction 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 2 5 Noise Curve Indoor side noise when blowing pee ADOS O AS SOS AS SO ANS O ASAS Noise dB A 25 Supper High High Middle Low Indoor fan motor rotating speed ASH 09AIM2 PT Technical Information Pressure of gas pipe 11 to 14 64 to 37 Super High Inlet and outlet pipe temperature of heat exchanger Compressor Fan speed of Fan speed of frequency indoor unit outdoor unit 35 to 65 Super High Outdoor side noise when Compressor speed changed 59 50 Noise dB A 30 40 50 60 TO 75 Compressor Speed rps ASH 13AIM2 PT
10. 2 3 4 5 6 f 8 9 50 51 52 53 54 99 56 57 58 I I I I N N B o OO O o N D o o Oi T 9 N 70 6 9 Installation and Maintenance Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor 20K Temp C Resistance kQ Temp C Resistance kQ Temp C Resistance kQ 49 1814 20 250 5 13 48 ima 21 239 4 948 17 162 1 22 85 6 4 173 46 1533 23 2185 62 4 605 145 24 209 4 443 24 132 2 20 4 289 as 12909 26 1914 65 4 14 a2 123 27 1813 3 998 M nes 28 1755 3 861 ao mos 2 168 9 1046 16 1 8 a 31 143 70 3 9 232 14 79 6 seu s 1418 72 84 61 13 59 a ss s 1304 74 76 24 12 51 2 nnm z 7 la ser s me 77 o 657 se noe 78 62 13 10 62 2 so 4 102 56 19 9 803 4 s4e 4 92 82 50 87 9 054 6 aa 45 8705 8 46 11 8 37 8 4392 4 8051 9 4184 48 775 10 39087 49 7453 88 11 38 01 7378 12 36204 51 6905 13 34 57 6 648 34 3298 53 6403 o2 15 3147 6 167 16 3004 55 592 94 17 28 68 5 726 18 239 57 55199 19 2647 se 532 o Temp C Resistance kQ 1 427 1 386 1 346 1 307 1 269 1 233 4 1 198 105 1 164 06 1 131 7 1 099 1 069 10
11. Installation and Maintenance 54 Service Manual NO Qty 6 jArtower 1051215603 1051215603 1 8 _ Helicoidtongve 26112163800 2611216200 1 9 fleftAxileBush 10512007 10512007 1 11 Rubber Plug Water Tray Above data is subject to change without notice Installation and Maintenance o 0 Service Manual 10 2 Outdoor Uni
12. The drain hose can t be curved raised and fluctuant etc As show in Fig 26 o 9 Installation and Maintenance Service Manual 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 gt 4 The drain hose can t be fluctuant SI j Ld nst The water outlet i n t x The drain hose x cani be placed si in water can t be fluctuant The water e outlet 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 Piezometer QO ITI DD TJ M Gas valve N E 2 Refrigerant charging DDS Valve cap vent y e SH NS Nut of refrigerant e 4 y NGU Pa A D
13. 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 lf it is unavoidable please add fence for safety purpose Installation and Maintenance 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 ASH 09AIM2 PT 10A ASH 13AIM2 PT 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 lf the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly quali
14. A al circuited Outdoor condenser temperature sensor is open short circuited OFF 1S and blink 5 times operation During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying temperature sensor Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 1 Outdoor temperature sensor Outdoor operation compressor will sop hasnt been connected well or is discharge OFF 1S after operating for about 3 damaged Please check it by temperature and mins referring to the resistance table for sensor is blink while indoor fan will operate temperature sensor open short 7 times During heating operation the 2 The head of temperature sensor circuited complete unit will stop after hasnt been inserted into the copper operating for about 3 mins tube O Limit decrease frequency due to overload OFF 1S All loads operate normally and while blink operation frequency for 3 times compressor is decreased Refer to the malfunction analysis overload high temperature resistant N Decrease All loads operate normally frequency while due to operation frequency for overcurrent compressor is decreased The input supply voltage is too low System pressure is too high and overload 00
15. OFF Operation Cool Indicator Indicator Code Display Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Red Green Indicator Indicator Indicator A C status Possible Causes Heating Indicator During cooling and drying operation compressor will stop while indoor fan will operate X Replace outdoor control panel AP1 During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate X Supply voltage is unstable During heating operation the complete unit will stop During cooling and drying operation the compressor will mE mE Theres circuit malfunction on stop while indoor fan will operate During heating operating outdoor units control panel AP1 please replace the outdoor units MH control panel AP1 the complete unit will stop operation 1 Supply voltage is lower than If this malfunction occurs AC175V during 2 Wiring terminal 4V is loosened or heating operation the complete broken unit will stop operation 3 4V is damaged please replace AV During cooling operation compressor will stop while indoor fan will operate during Replace outdoor control panel AP1 heating the complete unit will stop operation 1 Power supply is abnormal The complete unit stops 2 Detection circuit of indoor control mainboard is abnormal and blink 8 times OFF 1S and blin
16. PLASMA GENERATOR IS OPTIONAL we SS eee ee i i an Oo 9 Technical Information Service Manual e Outdoor Unit TUBE _OUTROGM EXHAUST L gt lt TEN SENSOR TEM SENSOR TEN SENSOR RTI R12 IRIS a A A A a ngg Ng EE OT O S Ka PI SS SS ia NOTE The electrical Motor gout only heaters are applies to the optional ion shell motor These circuit diagrams are subject to change without notice please refer to the one supplied with the unit Technical Information Service Manual 5 2 PCB Printed Diagram Indoor Unit e Top view Name au a Interface of live wire us Te TI cm JE w Interface of live wire for va LILI C EN 1 outdoor control LI Fuse E De RB U8 p Ls IW B ag Interface of neutral wire T oin sd rard NH Si Interface of neutral wire for Y shh a JL health function motor Interface of live wire for health function Interface of indoor unit and outdoor unit communication undi p n wit ae ur m e TE PEE CS EE Ui n Auto button LR AMT MIS HHHHET i Up amp down swing Wes gt 15 Aili Gyn HS HIS p Feedback interface of Jess F Det Op Ie EN indoor fan C39 Jie Eg Oe En R 2mm sapu TE GRISAG AL VI 2014 8 28 14 JDCC JDCCF TUBE RODM slalslelzisis p interface of display sensor interface sensor interface Y1 9NIMS e Bottom v
17. Service Manual 5 SLEEP State Control a When the air conditioner is under the mode of COOL and the SLEEP mode has been set well after the SLEEP state keeps about 1 hour the pre setting T will raise 1 C and it will raise 1 C again after 2 hours so it raise 2 C in 2 hours then it will run on at the setting temperature and wind speed b When the air conditioner is under the mode of HEAT and the Timer has been set well after the SLEEP state keeps about 1 hour the pre setting T will reduce 1 C and it will reduce 1 C again after 2 hours so it reduce 2 C in 2 hours then it will run on at the setting temperature and wind speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control Indoor fan could be set at ultra high high medium low speed by wireless remote controller and operated as that speed Auto fan speed could be set as well indoor fan will operate under auto fan speed as following 1 Under heating mode auto speed under heating or auto heating mode a When Tamb lt T preset 1 C indoor fan will operate at high speed b When Tpresert tC lt Tamb lt Tpresett3 C indoor fan will operate at medium speed c When Tamb2T presett3 C indoor fan will operate at low speed There should be at least 180s operation time during switchover of each speed 2 Under cooling mode auto speed under cooling or auto cooling mode a When Tam lt Toresert2 C indoor fan will o
18. Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 848 2 st PN N 132 542 174 LA Por cS JES m SJ Unit mm booo QI A O Unit mm o 9 Technical Information Service Manual 4 Refrigerant System Diagram Indoor unit Gas pipe side Ja lt Valve Heat exchanger Compressor evaporator Liguid pipe I S e Las E OM Valve Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Technical Information 0 Strainer Capillary Electron Strainer Outdoor unit med expansion Heat exchanger B condenser valve lt COOLING lt HEATING Service Manual 5 Electrical Part 5 1 Wiring Diagram e Instruction Symbol Symbol Color Symbol Symbol Color Symbol Le je m Re O po Lw Wwe 9 pes E NANA Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model e Indoor Unit Pd N i ROOM TUBE DISPLAY TEM SENSOR TEM SENSOR nD OUTDOOR TERMINAL BLOCK SWING MOTOR U D FAN MOTOR Mann
19. TIMER ON 14 TURBO Button Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed 15 LIGHT Button Press LIGHT button to turn on the display s light and press this button again to turn off the display s light If the light is turned on tis displayed If the light is turned off 2 disappears 16 X FAN Button Pressing X FAN button in COOL or DRY mode the iconcXois displayed and the indoor fan will continue operation for 2 minutes in order to dry the indoor unit even though you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode Combination of and buttons About lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked fis displayed In this case pressing any button fp blinks three times Combination of MODE and buttons About switch between Fahrenheit and centigrade At unit OFF press MODE and buttons simultaneously to switch between C and F Combination of TEMP and CLOCK buttons About Energy saving Function Press TEMP and CLOCK simultaneously in COOL mode to start energy saving function Nixie tube on the remote controller displays SE Repeat the o
20. ambient sensor start and short circuit continuously measured failure in 5s F2 Indoor evaporator sensor start and short circuit continuously measured failure in 5s Technical Information 19 Service Manual 20 F3 Outdoor ambient sensor start and short circuit continuously measured failure in 30s F4 Outdoor condenser sensor start and short circuit continuously measured failure in 30s and don t measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30s after the compressor operated 3 minutes H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating test P2 Maximum cooling and heating test P3 Medium cooling and heating test PO Minimum cooling and heating test 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 2 minutes under low air damper The swing will operate as the former status within 2 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start th
21. fan speed at high or medium Filter of indoor unit is blocked Check the filter to see it s blocked Clean the filter Check whether the installation postion is proper Installation position for indoor unit ccording to installation requirement for air djust the installation position and install the and outdoor unit is improper Sandt SE rainproof and sunproof for outdoor unit Discharged air temperature during cooling is higher than normal discharged wind temperature Discharged air temperature during heating is Find out the leakage causes and deal with it lower than normal discharged wind temperature Add refrigerant Unit s pressure is much lower than regulated range Malfunction of 4 way valve Blow cold wind during heating Replace the 4 way valve Discharged air temperature during cooling is higher than normal discharged wind temperature Discharged air temperature during heating is Malfunction of capillary lower than normal discharged wind temperature Replace the capillary Unitt pressure is much lower than regulated range If refrigerant isn t leaking part of capillary is blocked Flow volume of valve is The pressure of valves is much lower than that Drane ve dial insufficient stated in the specification P p y Malfunction of horizontal louver Horizontal louver can t swing cm point 3 of maintenance method for Malfunction of the IDU fan motor The IDU fan motor can t operate Refer to troubleshooting for H6 for mainte
22. has run for 7 minutes or defrosting is finished the compressor will stop After 30 seconds the four way valve opens and after another 60 seconds the compressor and outdoor fan resume running Theindoor fan will delay 3 minutes to run at the latest The Heat indicator will be off for 0 5 second in each 10 seconds during defrosting The period of defrosting 30s 30s I a Four way valve Lre SImin BE Compressor Bos Outdoor Unit Indoor Unit amin Set fan speed 3 Protection function CREM Stop Anti cold wind protection In HEAT mode in order to prevent the indoor unit from blowing out cold wind each time the compressor starts the indoor fan will delay 3 minutes after the compressor to run at the latest and it can adjust fan speed automatically when temperature is low Cold air prevention The unit is started under heating mode the compressor is ON D In the case Of Tindoor amb lt 24 C if T 40 C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if T gt 40 C the indoor fan also will run at low speed and after1 minute operation at low speed the indoor fan will be converted tooperation at preset speed Within 1 minute low speed operation or 2 minute non operation if T S42 C the fan will run at present speed 2 In the case Of Tindoor amb 224 C if T4 542 C the indo
23. in test state During cooling and drying Overcurrent Refer to the malfunction operation compressor will stop e E analysis IPM protection loss while indoor fan will operate protection of phase current for N N N Z of synchronism protection and During heating operation the TA overcurrent protection of phase complete unit will stop compressor current for compressor operation l During cooling and drying Charging l i operation compressor will stop malfunction en while indoor fan will operate Refer to the part three charging malfunction analysis of capacitor NO 00 of capacitor During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate Replace outdoor control panel AP 1 During heating operation the complete unit will stop After the complete unit is de energized for 20mins check During cooling operation whether the thermal grease on IPM beac compressor will stop while Module of outdoor control panel Malfunction of module temperature sensor circuit oO temperature indoor fan will operate o AP1 is sufficient and whether the protection During heating operation the complete unit will stop radiator is inserted tightly If its no use please replace control panel AP 1 Decrease frequency due to high temperature All loads operate normally while operation frequency
24. is the same The air deflector will be closed at O Location and the swinging is effectual only on condition that setting the swinging order and the inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location Heating angle O 0 Cooling angle O 0 L1 L A1 A B1 B C1 C D1 D 10 Display 1 Operation pattern and mode pattern display All the display patterns will display for a time when the power on the operation indication pattern will display in red under standby status When the machine is start by remote control the indication pattern will light and display the current operation mode the mode light includes Cooling heating and dehumidify If you close the light key all the display patterns will close 2 Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 30 C and indoor ambient temperature The heating and air supply temperature will display 25 C under auto mode the temperature will display 20 C under the auto heating mode and the temperature will display H1 under the defrosting mode If you set the fahrenheit temperature display the nixie light will display according to fahrenheit temperature 11 Protection Function and Failure Display E2 Freeze proofing protection E4 Exhausting protection E5 Overcurrent protection E6 Communication failure F1 Indoor
25. pipe are open completely 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 ambient temperature is lower than 16 C the air conditioner can t start cooling 29 9 Maintenance 9 1 Error Code List C2 Malfunction Z O Name High pressure protection of system Antifreezing protection In defect of refrigerant High discharge temperature protection of compressor Overcurrent protection Communi cation Malfunction High temperature resistant protection EEPROM malfunction Limit decrease frequency due to high temperature of module Malfunction protection of jumper cap A O e N al gt oO N Display Method of Outdoor Display Method of Indoor Unit Unit i Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF Indicator Display during Dual 8 ida ON 0 5s and OFF Code Display and blink 3 times OFF 1S and blink 9 times OFF 1S and blink 7 times OFF 1S and blink 5 times OFF 1S and blink 6 times OFF 1S and blink
26. run under cooling mode for gathering refrigerant Z A C status Possible Causes Gathering refrigerant Nominal cooling mode 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 Indoor During cooling and drying ambient operation indoor unit operates temperature while other loads will stop sensor is during heating operation open short the complete unit will stop circuited operation NO 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal temperature Cooling drying 2 Components on the mainboard temperature f T fall Mema MOP Sepi down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor stop operation value chart for testing 4 Mainboard damaged AC stops operation once Indoor reaches the setting evaporator 3 sensor is l operation while other loads open short l P stop operation heating AC circuited Outdoor ambient temperature sensor is open short During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for IN 6 times
27. stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature298 C frequency is not allowed to rise If exhaust temperature gt 103 C the compressor will run at reduced frequency If exhaust temperature2110 C the compressor will stop If exhaust temperatures90 C and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation 3 Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole system will stop 4 Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again 5 Overload protection If temperature sensed by the overload sensor is over 115 C the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 C the overload protection will be relieved 6 If voltage on the DC bus is below 150V or over 420V the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds When voltage on the DC bus returns to its normal value and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation 7 Faults of temperature sensors Designa
28. 11 Test the voltage of pin 1 and pin 2 of U132 with universal meter voltage of both sides of C134 The voltage should be variable test 12 Otherwise there is malfunction of mainboard of outdoor unit 4 Test the voltage between pin 1 of R135 white and pin 1 of U4 The voltage should be variable Test voltage between pin1 of R131 white and pin 1 of U4 with universal meter The voltage should be variable Otherwise there is malfunction of mainboard of outdoor unit 8 gak RI 31 O Installation and Maintenance Service Manual Start Measure voltage at the Test 10 position as shown in the diagram with a voltmeter ZN peel Value jumping de z Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping N p v Fault with Jd Measure voltage at the Test 11 position as shown in the diagram A with a voltmeter outdoor unit ie A Value jumping N gt Measure voltage at the Test 12 position as shown in the diagram with a voltmeter Wan Value jumping Y y The communication circuit of the outdoor End unit is normal ee Installation and Maintenance 51 Service Manual 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up Possible Causes Discriminating Method Air conditioner Status Tro
29. 11 times 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 FO and the complete unit stops During cooling and drying operation compressor 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 Service Manual 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 r
30. 121 99 34 x 4074 22 sa 61 nza 10 6 3845 23 534 62 132 10 32 15 362 9 24 51 41 63 10 93 3 13 4 3428 25 4919 64 1054 103 304 13 323 9 26 47 08 65 10 18 2 96 KAN lo oz ew 1 e em ws p r _ om 2896 28 4316 67 949 106 27 to 24 29 na 68 or w 27 9 293 3961 69 885 108 264 KAN KARAN m 1 ss me 281 232 6 32 36 38 71 8 27 0 2 50 La pus s ue 2 re m 29 un 209 34 33 45 73 773 12 237 4 s s s r4 wm 29 KEN 199 1 36 30 79 75 722 14 224 wun NET NAN 1 2x4 EET ENT an 169 5 38 28 36 77 676 n 212 1691 so 2723 78 654 117 20 153 40 2615 79 633 na 20 2 ws n an se sens m 19 1383 42 2413 8 593 120 191 4 1 4 29 e ss im 186 5 1254 44 22 29 83 557 122 18 6 ma 45 2143 8 539 123 17 7T ma 26 8 52 14 173 s w a 18 s so vs 168 9 128 48 1906 8 490 176 16 imm HN 72 6 9 Installation and Maintenance
31. 9 1 039 1 01 0 983 0 956 0 93 0 904 0 88 0 856 0 833 8 0 811 9 0 77 120 0 769 0 746 2 0 729 3 0 71 124 0 692 0 674 0 658 0 64 128 0 623 9 0 607 0 592 0 577 132 0 563 3 0 549 4 0 535 0 521 0 509 al 00 C2 gt I O JO JO WIN O O N 3 129 3 603 3 481 3 364 3 252 3 144 3 04 2 94 2 844 2 192 2 663 2011 2 495 2 415 2 339 2 265 2 194 2 129 2 059 1 996 1 934 1 875 1 818 1 736 1 71 1 658 1 609 1 561 1 515 1 47 O 00 e N e 1 2 3 4 5 6 7 N dl O Co 00 N N O O C O N dl O O oO D gt O co Il J NO Oo NO 00 gt I NO NO al 6 NO N NO N O la ak 69 e co O A I Q al co 3 69 O Installation and Maintenance o o Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor 50K ingre Reisen Tense Reon mare REEN zo was ow ao m s s 1 9 1314 141 m1 latir Lm m 2 ww sr e o Y ms s us 2 ws o 8 25 660 8 14 81 05 53 15 75 4 20 a eze TT s ose ee 23 580 6 16 73 83 55 14 62 3 96 ET KTO sf NE A 21 5166 18 674 57 1358 96 37 20 as 1 es s 19 o se 19 458 3 20 61 48 59 12 62 98 3 51 428 42 2 587
32. NN cc Set time E uw IO BEBE e TIMER ON TIMER OFF S oe Mal Skis es S Sleep mode C 21 a ee Child lock N A Y J JON pS Up 8 down swing pc RS Temp display typo f A Set temp A Indoor ambient temp As Outdoor ambient temp ee ee ee A ee X XX X ee eee X X eee eee eee eee ee eee eee ee eee eee eee eee eee eee eee eee XA Introduction for Buttons on Remote Controller Note e After putting through the power the air conditioner will give out a sound Operation indictor is ON red indicator After that you can operate the air conditioner by using remote controller e Under on status pressing the button on the remote controller the signal icon on the display of remote controller will blink once and the air conditioner will give out a de sound which means the signal has been sent to the air conditioner e Under off status set temperature and clock icon will be displayed on the display of remote controller If timer on timer off and light functions are set the corresponding icons will be displayed on the display of remote controller at the same time Under on status the display will show the corresponding set function icons 1 ON OFF Button Technical Information Service Manual Press this button to turn on the unit Press this button again to turn off the unit 2 Button Press this button to decrease set temperatur
33. age gt please charge refrigerant according to the service Is the malfunction Y Replace overload eliminated manual I protector SAT N Compressor overload protection terminal is not connected well with the mainboard reconnect Is the malfunction Y them correctly eliminated N eat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Is the malfunction Y gt improve the radiating environment and clean the eliminated heat exchanger N Too much load of the system causes high temperature of compressor after working for a long time Is the Hn Y gt decrease the load for operation eliminated N v PA Replace outdoor F4 mainboard AP1 End Installation and Maintenance Service Manual 6 PFC correction for power factor malfunction outdoor unit malfunction Main detection points e Check if power plug is connected well with the socket e Check if the reactor of outdoor unit is damaged Malfunction diagnosis process ED If power plug is connected well with the socket Y Connect the plug correctly Is the malfunction eliminated Y Check the connection wire between reactor mainboard N and situation of connection econnect the wire or Y replace the connection Power on and wire according to the restart the unit wiring diagram If there is short circuit or the connection wire
34. asp of front case Life the front case sub assy upwards to remove it Installation and Maintenance o o 59 60 Loosen the connection clasps between vertical louver and bottom case to remove vertical louver 7 Remove electric box assy Loosen the connection clasps between shield cover of electric box sub assy and electric box and then remove the shield cover of electric box sub assy Cut off the tieline which binding the temperature sensor and grounding wire on the evaporator and then pull out the indoor tube temperature sensor from the evaporator Remove the screws at the connection place between grounding wire and evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Note 1 Location of tube temperature sensor and tieline on the evaporator is different for different models 2 When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard Remove the screw fixing electric box assy and then remove the electric box assy Case Service Manual 6 Remove vertical louver bottom vertical louver evaporator Location of apd thg d in A AR KON y f fe Vr gon HA Ls AE Lo Era paa xn pipe IN P gro
35. at exchanger is N Adjust it properly N amp according to wiring Restart the unit diagram 5 1 N lean the heat exchanger blocked with dirt lt c E Restart the unit to improve its performance The unit starts operation again Adjust refrigerant Replace outdoo lt The unit starts charging amount 7 Does the unit mainboard AP1 42 1 Restart the m operation again work normally N Y f Replace compressor End Installation and Maintenance Service Manual 3 High temperature and overload protection E8 AP1 below means control board of outdoor unit E8 Main detection points e l the outdoor ambient temperature is in normal range e l the indoor and outdoor fan are running normally e f the radiating environment of indoor and outdoor unit is good Malfunction diagnosis process Ces IS deed If the outdoor ambient temperature is higher than 53 C Normal protection please Y use it after improving the Unit restarts normally outdoor ambient temperature Improve the radiating environment Y of unit clean the heat exchanger and remove surrounding obstacles If the radiating of indoor Unit restarts and outdoor unit is good normally If the indoor and outdoor fan are running norma
36. crews fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it TARA 10 Remove clapboard sub assy Clapboard Sub Assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove PS ARRAS o o SARAN N 66 Oo 9 Installation and Maintenance Service Manual Steps Procedure 11 Remove Compressor Remove the 2 screws fixing the gas valve Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve Remove the 3 footing screws of the compressor and remove the compressor Installation and Maintenance o o Liquid valve Gas valve gt o 2 SARA 5 SEN 383053 29 L LA DI SE Ef CT O 95952529 Bed PAY PH Compressor RARA C A DA e AN JAN M DAA A D 2 PASAS 67 Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperat
37. ction Power on and wire of reactor restart the unit L correctly Replace outdoor mainboard AP1 N C End E fthe wiring of esctorl is normai Is the Vmalfunction eliminated Installation and Maintenance o o Service Manual 2 IPM protection H5 desynchronizing malfunction H7 overcurrent of compressor phase current P5 AP1 below means control board of outdoor unit Main detection points e Is voltage input within the normal range e f the control board AP1 is well connected with compressor COMP If they are loosened If the connection sequence is correct e Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad e f the system pressure is too high e f the refrigerant charging amount is appropriate e f coil resistance of compressor is normal ls compressor coil insulating to copper pipe well e l the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process H5 H7 or P5 is displayed after turning on the unit Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 Repair power supply to mak the power voltage normal 7 The unit starts Operation again 9 ef Resten the me The compressor is well connected with mainboard The unit starts operation again He
38. ction Requirement annae oenen eren senenener ensen enerenervenenensnervenn 25 Gon lallallon of INGOOT AN nnen tente dennie eeens 25 8 6 Installati n of Qutdoor VII dape 28 8 7 Vacuum Pumping and Leak Detection vera vendos as dd scies 29 8 8 Check after Installation and Test Operation o cooncccccocnconcccnconnconncanoocnnorocaroononcnonnonono 29 6 9 Table of Contents Service Manual 9 Maintenance e 30 Sd ie Ode St srta A A IG Aak ANNA 30 9 2 Procedure of Troubleshooting aaa eaaa eaaa heenronde 37 9 9 Troubleshooting tor Normal NIAITUN CU QE neren qc am utei ct Get t cnet redaktie 52 10 Exploded View and Parts List 54 10 CLOT A E E E E A 54 PA N 56 11 Removal Procedure see 58 11 1 Removal Procedure of Indoor Unit ec adria 58 11 2 Removal Procedure of Outdoor UIME nnee ba del ERR eats Cm 63 Appendix aas 68 Appendix 1 Reference Sheet of Celsius and Fahrenheit nanne nennen 68 Appendix 2 Configuration of Connection Pip6 ccooccccccoccconcconcccncncnconconncnnnonnnonnnonocononanonnnns 68 Appendix 3 Pipe Expanding Method entered daden en 69 Appendix 4 List of Resistance for Temperature Sensor nanne anawa anna anna areren 70 Table of Contents o o Service Manual Part Technical Information 1 Summary Indoor Unit ASH 09AIM2 PT ASH 13AIM2 PT Outdoor Uni
39. cuit please replace the control panel AP1 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 During cooling and drying voltage is increased to the normal Voltage of na operation compressor will stop range 22 DC bus bar PL blink while indoor fan will operate 5 If the AC i is too low 12 During heating operation the ane pubs normal ix complete unit will stop 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 Compressor 23 Min Showing during min cooling or frequence in min heating test test state Compressor rated Showing during nominal cooling or 24 P1 frequence in nominal heating test test state Compressor 25 maximum Po Showing during max cooling or frequence in max heating test test state Installation and Maintenance Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during decar stalus and auh Malfunction inki en Dual g Jblinking ON 0 5s and OFF blinking ON 0 5s and OFF A C status Possible Causes Code i 0 5s Displ TEE Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator Showing during middle cooling or middle heating test Compressor intermediate NO O frequence
40. d As show in Fig 10 Drain hose Smit Y Insulating pipe Fig 10 o 9 Installation and Maintenance Service Manual 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 Figs Wiring cover 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it 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 NN P bec Note The wiring connect is for reference only please refer to the actual one Fig 13 4 Put wiring cover back and then tighten the screw 5 Close the panel N Note 1 All 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 Installation and Maintenance o o 8 Bind up Pipe 1 Bind up
41. d motor correctly Is malfunction eliminated Yes Is the motor started up Replace PG motor Is malfunction eliminated o 9 Installation and Maintenance Service Manual 3 Malfunction of Protection of Jumper Cap C5 Main detection points e Is there jumper cap on the mainboard e Is the jumper cap inserted correctly and tightly e The jumper is broken e The motor is broken e Detection circuit of the mainboard is defined abnormal Malfunction diagnosis process Appearance of the Is there jumper cap on the mainboard jumper cap Assemble the jumper cap with the same model Is malfunction eliminated Is the jumper cap inserted correctly and tightly Insert the jumper cap tightly s malfunction eliminated Replace the jumper cap with the same model Is malfunction eliminated Yes Replace the mainboard with the same model End Installation and Maintenance o 0 39 Service Manual 40 4 Malfunction of Zero crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points e Instant energization afte de energization while the capacitordischarges slowly e The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor dischar
42. d set temperature is 25 C Technical Information Service Manual c For heating and cooling unit when 19 C Tsuppiementary lt Tindoor ambient lt 26 C for cooling only unit 22 C lt Tindoor ambient lt 26 C it will keep the original running mode If the unit is energized for the first time it will run in fan mode 2 Protection a In cooling operation protection is the sam e as that under the cooling mode b In heating operation protection is the same as that under the heating mode c When ambient temperature changes operation mode will be converted preferentially Once started the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes 1 Overload protection Ttube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload a If T S52 C the unit will return to its original operation state b If T 255 C frequency rise is not allowed C If T 258 C the compressor will run at reduced frequency d If T 62 C the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T S50 C the unit will return to its original operation state b If T 253 C frequency rise is not allowed C If T 256 C the compressor will run at reduced frequency d If T 560 C the compressor will
43. d there s abnormal disappear after a few minutes Sound hen turn on or turn off the unit here s abnormal sound due Normal phenomenon Abnormal sound will qus Water running sound can be heard o flow of refrigerant inside air disappear after a few minutes conditioner Foreign objects inside the indoor Remove foreign objects Adjust all parts unit or there re parts touching There s abnormal sound fro indoor unit position of indoor unit tighten screws and stick ogether inside the indoor unit damping plaster between connected parts Foreign objects inside the outdoo Remove foreign objects Adjust all parts unit or there re parts touching There s abnormal sound fro outdoor unit position of outdoor unit tighten screws and ogether inside the outdoor unit stick damping plaster between connected parts Short circuit inside the magnetic During heating the way valve has abnormal l l I Replace magnetic coil coil electromagnetic sound Abnormal shake of compressor Outdoor unit gives out abnormal sound OJ ld ighten the bolts If add too much refrigerant during maintenance Abnormal sound inside the compressor please reduce refrigerant properly Replace compressor for other circumstances Abnormal sound inside the compressor Installation and Maintenance 0 Service Manual 10 Exploded View and Parts List 10 1 Indoor Uni ES SYR ROR KNA X KAOSI SMBS e SRL DWSIEESTAS AA TEE OON SA
44. door unit on the selected location with expansion screws N 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 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 Drain vent B Chassis Dein dece Outdoor drain joirt At least 3cm above the floor u 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 Post holes Foot holes Handle Fig 20 4 Connect Indoor and Outdoor Pipes 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 gi Liquid p
45. e Installation and Maintenance bottom case O 1 lt Z sub assy lt Remove the bearing holder sub assy 62 Service Manual 11 2 Removal Procedure of Outdoor Unit Procedure 1 Remove big handle Before disassamble Remove 1 connection screw fixing big Aa Big handle handleand then removethe big handle ix 2 Remove top cover Top cover Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate
46. e Holding it down above 2 seconds rapidly decreases set temperature In AUTO mode set temperature is not adjustable 3 Button Press this button to increase set temperature Holding it down above 2 seconds rapidly increases set temperature In AUTO mode set temperature is not adjustable 4 MODE Button Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following AUTO P COOL jp DRY Pe FAN PHEAT t Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mode the set temperature will not be displayed on the LCD and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable As for cooling only unit it won t have any action when it receives the signal of heating operation 5 FAN Button This button is used for setting Fan Speed in the sequence that goes from AUTO m ado ad d then back to Auto PA 48 adi 7 a Low speed al Medium speed ad High speed 6 SVVING Button Press this button to set up amp down swing angle which circularly changes as below gt NI A OFF 324 3 A y E gt US remote controller is universal If any command 21 5 or zl is sent out the unit will carry out the command as S Slindicates the guide louver swings as 3 gt si 2 gt I Eerie 7 FEEL Button Press this button t
47. e and outdoor valve install the union nut on the pipe E Expand the port e Expand the port with expander N Note e A is different according to the diameter please refer to the sheet below 6 6 35 1 4 9 52 3 8 12 12 70 1 2 16 15 88 5 8 F Inspection Smooth surface e Check the quality of expanding port If there is any blemish expand the port again according to the steps above Improper expanding Vf Fr Yer wr leaning damaged crack uneven surface thickness The length is equal Installation and Maintenance 69 Service Manual Appendix 4 List of Resistance for Temperature Sensor J D o 0 gea D D y 23 D o gt gt 3 D D D 3 D pov F c D 0 D 0 o gt O 3 Q o O D a O c mae a o o A dl 2 Temp C Resistance kQ 5 3 848 3 711 3 579 3 454 3 099 3 217 3 105 2 998 2 896 2 97 2 02 2 611 2 523 2 439 2 000 2 28 2 206 2 133 2 064 1 997 1 933 1 871 1 811 1 754 1 699 1 645 1 594 1 544 1 497 1 451 1 408 1 363 1 322 1 282 1 244 1 207 1 171 1 136 1 103 Temp C Resistance kQ 1 071 1 039 1 009 0 98 0 952 3 0 925 04 0 898 105 0 873 06 0 848 07 0 825 0 802 109 0 779 0 0 758 0 737 0 717 0 697 0 678 Temp C Resistance kQ Temp C Resistance kO 19 138 1 18 75 8 m s 2 17 93 126 22 17 14 46 as 16 39
48. e drying function operating the drying button will stop the inner fans and close the guide louver 13 Memory Function When interrupting the power supply memory content mode swing function light set temperature and wind speed After interrupted the power supply the machine will start when recovering the power according to the memory contentautomatically 14 Electric heating band control of outdoor unit D Compressor electric heating band control a Start condition the compressor is in off status and the Toutdoor ambient temperatures C b Stop condition the band is off when either of the below condition is met 1 The compressor is in on status 2 The compressor is in off status and the Toutdoor ambient temperature gt C c When outdoor ambient temperature sensor is in malfunction status the electric heating band stops operation 2 Condenser electric heating band control 1 When Toutdoor ambien 1 C the electric heating band starts working 2 When enter defrosting and defrosting is finished the chassis electric heating band starts working for 3min as the compressor starts After the compressor starts for 3min and Toutdoor 4454 29 C the electric heating band stops operation 3 When Toutdoor ambien 9 C the condenser electric heating band doesn t work 4 When 1 C T outdoor ambient 9 C the condenser electric heating band keeps the previous status When outdoor ambient temperature sensor is in malfunction status the electric
49. e hasn t been opened completely Flush the heat exchangers with high s malfunction pressure nitrogen eliminated s the compressor running abnormally Is there abnormal sound or oil leakage s the temperature of the shell too hig Replace the compressor S malfunction eliminated Replace the mainboard with the same model End Installation and Maintenance o o 49 Service Manual 9 Flow chart for outdoor communitcation circuit detecting 1 Test the voltage between N point of wiring board and communication cable with universal meter The voltage shall be variable Otherwise it might be malfunction of mainboard of indoor unit or malfunction of mainboard of outdoor unit or wrong wire connection of indoor and outdoor unit Please ensure that there is no malfunction of mainboard of indoor unit or wrong wire connection of indoor and outdoor unit After removing the malfunction of indoor unit remove the malfunction of outdoor unit 2 Test the voltage of pin 1 and pin 2 of U132 with universal meter voltage of both sides of R135 The voltage should be variable Test 10 Test the voltage of pin 3 and pin 4 of U132 with universal meter voltage of both sides of R1312 The voltage should be variable Test 15 Otherwise there is malfunction of mainboard of outdoor unit 3 Test the voltage of pin 3 and pin 4 of U131 with universal meter voltage of both sides of R134 The voltage should be variable test
50. ect 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 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 yourself 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
51. erature indicator on indoor unit displays indoor ambient temperature When selecting A by remote controller temperature indicator on indoor unit displays outdoor ambient temperature Outdoor ambient temperature display may can t be selected for some models When indoor unit receives 4 signal it displays indoor set temperature Only for the model whose indoor unit has dual 8 display 11 TIMER ON Button Press this button to initiate the auto ON timer To cancel the auto timer program simply press this button again After press of this button CD disappears and ON blinks 00 00 is displayed for ON time setting Within 5 seconds press or button to adjust the time value Every press of either button changes the time setting by 1 minute Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes Within 5 Seconds after setting press TIMER ON button to confirm 12 CLOCK Button Press CLOCK button blinking within 5 seconds pressing or button adjusts the present time Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0 5 second and then by 10 minutes every 0 5 second During blinking after setting press CLOCK button again to confirm the setting and Q then will be constantly displayed 13 TIMER OFF Button Press this button to initiate the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as
52. eries and make sure the position of polar and polar are correct 3 Reinstall the cover of battery box Note e During operation point the remote control signal sender at the receiving window on indoor unit e he distance between signal sender and receiving window should be no more than 8m and there 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 f the display on remote controller is fuzzy or there s no display please replace batteries Cover of battery box Technical Information o 0 15 Service Manual 6 2 Brief Description of Modes and Functions 1 Temperature Parameters Indoor preset temperature Treset Indoor ambient temperature T no 2 Basic Functions Once energized in no case should the compressor be restarted within less than 3 minutes In the situation that memory function is available for the first energization if the compressor is at stop before de energization the compressor will be started without a 3 minute lag if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be sto
53. ervice Manual Installation procedures Start installation ee Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install wall mounting Install the support of outdoor unit frame drill wall holes select it according to the actual situation Connect pipes of indoor Fix outdoor unit unit and drainage pipe Connect wires of indoor unit Install drainage joint of outdoor unit only for cooling 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 Finish installation Note this flow is only for reference please find the more detailed installation steps in this section 24 6 9 Installation and Maintenance Service Manual 8 2 Installation Parts checking 8 4 Electric Connection Requirement Indoorunit 8 Outdoor unit 9 Wrapping tape Connection pipe o Suppor of outdoor Fixing screw Name Sealing gum Wall mounting frame Connecting 13 cable power cord Wall pipe N Note 1 Please contact the local agent f
54. essor RLA m u m u 942 1NT11L 6233 Electron expansion valve 16 30 15 48 20 24 Aluminum Fin copper Tube Compressor Power Input verload Protector Throttling Method Operation Temp o o Ambient Temp Cooling Ambient Temp Heating ondenser Form e A A A Pipe Diameter 1 1 4 710X19 05X508 900 650 Rows fin Gap oil Length LXDXW Fan Motor Speed C Q2 O utput of Fan Motor Outdoor Unit 0 15 Fan Motor Capacitor m h 1600 Axial flow 400 Automatic Defrosting Fan Type Fan Diameter Defrosting Method 3 Climate Type T1 Isolation Moisture Protection IP24 Permissible Excessive Operating Pressure fo MP he Discharge Side a Permissible Excessive Operating Pressure fo MPa 2 5 he Suction Side ound Pressure Level H M L ound Power Level H M L Dimension WXHXD Dimension of Carton Box LXWXH Dimension of Package LXWXH Net Weight Gross Weight Refrigerant 51 61 TI6X540X320 848X360X580 851X363X595 gt TI oro gt n O ri D o lt o lt Q cC AJ 3 m gt o o O c Q O O C 2 NO 00 R410A Refrigerant Charge 0 70 Length Gas Additional Charge uter Diameter Liquid Pipe uter Diameter Gas Pipe Max Distance Height Max Distance Length Note The connection pipe applies metric diameter N g m 3 3 Connection 9 52 3 EN Pipe The above data is subject to change without notice please refer to the na
55. eturn in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty 1 In defect of refrigerant 2 Indoor evaporator temperature sensor works abnormally 3 The unit has been plugged up somewhere 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 analysis Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel AP1 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 Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during Malfunction ag blinking ON 0 5s and OFF display status and during blinking ON 0 5s and OFF Code 0 5s Displa A sd Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator When the outdoor unit receive signal of Gathering refrigerant the system will be forced to
56. fied 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 shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 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 ho
57. for compressor is decreased Refer to the malfunction analysis C2 resistant overload high temperature resistant during heating operation Static dedusting protection O N During cooling and drying 1 Wiring terminal OVC COMP operation compressor will stop is loosened In normal state the while indoor fan will operate resistance for this terminal should During heating operation the be less than 1ohm complete unit will stop 2 Refer to the malfunction analysis operation discharge protection overload Overload O ev protection for compressor Installation and Maintenance e 33 Service Manual O ER Co al C2 O iN O EN BA N a w w av Z A Co A O S C2 Malfunction Name System is abnormal IPM protection Module temperature is too high Internal motor fan motor do not operate Desynchro nizing of compressor PFC protection Outdoor DC fan motor malfunction power protection Indoor unit and outdoor unit doesn t match Failure start up Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during Dual g blinking ON 0 5s and OFF Code Display display status and during blinking ON 0 5s and OFF 0 5s Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator During cooling and drying operation compre
58. ges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model Installation and Maintenance Service Manual Outdoor Unit 1 Capacity charging malfunction outdoor unit malfunction AP1 below means control board of outdoor unit Main detection points e Detect if the voltage of L and N terminal of XT wiring board is between 210VAC 240VAC by alternating voltage meter e Is reactor L well connected Is connection wire loosened or pulled out Is reactor L damaged Malfunction diagnosis process Turn on the unit and wait 1 minute Use AC voltmeter to measure the voltage on the two ends of electrolytic capacitor see fig 30 Malfunction of Y the outdoor mainboard AP 1 Replace wind mainboard Voltage higher than 200V N y Measure the voltage input with AC voltmeter see fig 30 Power supply is abnormal repair the power supply Power on and to restore the range restart the unit between 180VAC 260VAC Voltage within 180VAC 260VAC Is the Vmalfunction eliminated Y Y Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire Connect the conne
59. heating band stops operation the electric heating band can work again after 2min of last stop 15 Compulsory defrosting function D Start up compulsory defrosting function Under ON status set heating mode with remote controller and adjust the temperature to 16 C Press button successively within 5s and the complete unit will enter into compulsory defrosting status Meanwhile heating indicator will ON 10s and OFF 0 5s successively Note If complete unit has malfunction or stops operation due to protection compulsory defrosting function can be started up after malfunction or protection is resumed 2 Exit compulsory defrosting mode After compulsory defrosting is started up the complete unit will exit defrosting operation according to the actual defrosting result and the complete unit will resume normal heating operation 16 Refrigerant recovery function applicable for moving the unit or maintaining the unit D Start up refrigerant recovery function Set cooling mode with remote controller within 5min after energization adjust temperature at 16 C and press light button on remote controller for 3 times successively to any one indoor unit within 3s and then the complete unit will enter into refrigerant recovery status All indoor units display Fo Maintenance person close all liquid valves After 5min withstand the thimble of all checking valves with tools one by one If there s no refrigerant spraying out close corre
60. iew Technical Information Service Manual Outdoor Unit e Top view 1 nductance pin2 2 nductance pin1 Four wayvalve 4 Compressor electric heater 6 Fanneisbed 8 empsensor 9 Main chip Q PS w J LO IE e ein 10 9 7 e Bottom view t P s 8 Jen amp n 08 hi o 9000 o L ki 4 9 T ay 4 e 8 Boe o Wee 4 Di o 8 WA o o ge o 2 oe ooo gt p as ao x is s fir d O A Technical Information oo o Service Manual 6 Function and Control 6 1 Remote Controller Introduction Buttons on Remote Controller S ran Satis over NOKA SE 9 A E 2 IIc x ra aje T I FEEL Introduction for Icons on Display Screen ON OFF button button button MODE button FAN button SWING button FEEL button 19 button SLEEP button TEMP button TIMER ON button CLOCK button TIMER OFF button TURBO button LIGHT button X FAN button 666066660666060660606066 12 feel Sh poo EEN Set fan speed AUTO A I i i TE FAN aa open Send signal 8 C heating function 3 7 Se eee Turbo mode A Q de AK A i ventilation operation 4 Operation mode A a Ta EERE health function Auto mode E vi DICTE een nnen X fan mode slo m M deat CATA gt Set temperature Dry mode r di ll o F d L NA a ap eo co e MM
61. ight 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 c or A Left Rear left CB Left Right Cut off the hole Fig 4 26 Service Manual 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 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 I Pipe joint Union nut Pipe M d Fig 5 Indoor pipe Fig 6 aM dE Insulating pipe Fig 7 Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m A 15 20 09 52 30 40 45 55 60 65 70 75 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 Tape Fig 9 N Note 1 Add insulating pipe in the indoor drain hose in order to prevent condensation 2 The plastic expansion particles are not provide
62. ipe Liquid n4 gas pipe valve 4 gas valve Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench 28 Service Manual Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 OUTDOOR UNIT gt LA mm on i i Ul IZ Fig 23 2 Fix the povver connection vvire vvith vvire clip AN Note 1 After tightening the screvv pull the povver cord slightly to check ifit is firm 2 Never cut the povver connection vvire to prolong or shorten the distance 6 Neaten the Pipes 1 The pipes should be placed along the vvall 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 S The drain hos x can t raise upwards M M P Fig 25 ANG U shaped curve Drain hose Fig 24 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
63. is loose Is the malfunction eliminated Check the surface of reactor coil N Y Replace the reactor Power on and restart the unit If itis damaged Is the malfunction eliminated v Replace outdoor N mainboard AP1 C Installation and Maintenance o o Service Manual 48 7 Communication malfunction E6 Main detection points e Check if the connection wire and the built in wiring of indoor and outdoor unit are connected well and without damage e f the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process T If the unit operates normally before malfunction o Check the connection y Check built in wiring of indoor and outdoor unit Replace the wire If the wiring is damaged N y Check the malfunction type with communication malfunction detector Is the malfunction eliminated alfunction of outdo ommunication circui N v Replace indoor wire according to the wiring diagram If the connection wire is connected well N v Reconnect the wire or replace the connection wire according to the wiring diagram Is the malfunction Replace outdoor mainboard AP1
64. k 11 times 35 Service Manual Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display during Indicator has 3 kinds of display Malfunction Dual g Plinking ON 0 5s and OFF status and during blinking ON Name Code 0 5s 0 5s and OFF 0 5s A C status Possible Causes Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator Normal OFF 0 5S communica and blink tion OFF 35 and blink win once Defrosting during OFF 1S mode Compressor will blinking operate ON 10s and OFF Defrosting will occur in Its the normal state while indoor fan will stop Frequency limiting power 36 6 9 Installation and Maintenance Service Manual 9 2 Procedure of Troubleshooting Indoor Unit 1 Malfunction of Temperature Sensor F1 F2 Main detection points e Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted e Is there short circuit due to trip over of the parts e s the temperature sensor broken e Is mainboard broken Malfunction diagnosis process Installation and Maintenance Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Yes Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright Is malfu
65. l Steps Procedure 6 Remove electric box assy MA Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to re move the electric box assy li ika d LD Mi PAH 7 Remove 4 vvay valve assy Unscrew the fastening nut of the 4 way Valve Assy coil and remove the coil Wrap the 4 way Valve Assy with wet cotton and unsolder the 4 weld spots connecting the 4 way Valve e 2 se of RA AVA AV AV ATA AV AY AY EFL ONLI US AGN E p JA 4 ch S A OR V EY Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 8 Remove capillary sub assy A ee o A KA SIT AS AA SENS 17 E AD Unsolder weld point of capillary Sub assy Capillary Sub assy valve and outlet pipe of condensator Then remove the capillary Sub assy Do not block the capillary when unsoldering it Note be ES ANESTI DN BY fore unsoldering discharge refrigerants completely Installation and Maintenance o o 65 Service Manual Steps Procedure 9 Remove motor and motor support A JA Ly y Y Remove the 4 tapping s
66. les 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 25 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 If the plastic expansion particle is 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 Wall Wall Mark in the middle of it Level meter NN Space Space to the to the wall pra EX wall above above 150mm 150mm p rae nn S and Q55mm Q55mm Rear piping hole Rear piping hole 2 Open a piping hole with the diameter of 55mm 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 Y Indoor Outdoor P55mm Fig 2 AN 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 4 Outlet Pipe 1 The pipe can be led out in the direction of right rear r
67. lly Connect normally Y v Fan capacitor is broken if capacitor Y Adjust the connection Replace Fan Replace outdoor mainboard Motor is broken zl Replace Motor t N Y fene nenbar y CA Installation and Maintenance o o 43 4 Start up failure LC AP1 below means control board of outdoor unit Main detection points e l the compressor wiring is correct e f the stop time of compressor is sufficient e l the compressor is damaged e f the refrigerant charging amount is too much Malfunction diagnosis process ur on the D The stop time is not sufficient and f the stop time of compresso the high and low pressure of system N l b gt is more than 3min is not balanced please start the uni after 3min Y v Check the connection situation If the compressor wire of outdoor mainboard AP1 and COMP UVW is well connected and N compressor COMP and the connection sequence is correct connect it according to wiring diagram Y Does the unit start up normally If the refrigerant charging 4 N amount is too much Y Charge the refrigerant according to service manual I Does the unit z 4 start up normally N Replace outdoor mainboard AP 1 Is the malfunction Y gt eliminated N Y Replace the compressor lt q End gt
68. meplate of the unit Technical Information o ASH 13AIM2 PT CB404W03500 L31222 ZHUHAI LANDA COMPRESSOR CO LTD QXA A091ZE190A RB68EP Rotary 16 5 942 1NT11L 6233 Electron expansion valve 30 15 48 20 24 Aluminum Fin copper Tube 2 1 4 695X38 1X506 900 650 C2 0 15 1600 Axial flow 400 Automatic Defrosting IP24 NO al ala I O alo o T 53 63 716X540X320 848X360X580 851X363X595 OD IN NO R410A 0 85 NO 69 52 Service Manual 2 2 Operation Characteristic Curve Cooling Heating 10 ASH 13AIM2 PT ASH 13AIM2 ASH 09AIM2 PT Current A Condition Indoor DB 20 C Indoor air flow Turbo Pipe length 5m Voltage 230V 3 Condition Indoor DB 27 C WB19 C 2 Indoor air flow Turbo Pipe length 5m Voltage 230V 0 20 40 60 80 100 120 0 20 40 60 80 100 120 Compressor Speed rps Compressor Speed rps 2 3 Capacity Variation Ratio According to Temperature Cooling Heating 105 110 100 porro 95 100 g 90 S90 0 89 o 80 g 80 gt gt 875 8 70 S 70 i E a E KG LAN O 65 i Conditions O 60 Conditions Indoor DB27 C WB19 C Y Indoor DB20 C WB15 C 60 Indoor air flow Super High 50 F Indoor air flow Super High 55 Pipe length 5m 1 i 0 Pipe length 5m 50 i i i i 40 i i i
69. n loss of synchronism protection and overcurrent protection of phase current for compressor 1 Bad contact of DC motor feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis DC fan motor malfunction or malfunction lead to compressor system blocked or the connector loosed To protect the electronical components when detect high power Indoor unit and outdoor unit doesn t match Refer to the malfunction analysis Installation and Maintenance Service Manual Z Name Malfunction of phase current AK AK detection circuit for compressor Malfunction of voltage dropping for DC bus bar 45 Malfunction of complete BA O units current detection The four way valve is abnormal Zero crossing malfunction of outdoor unit Malfunction of zero cross detection circuit EN co A gt Compressor running al The temperature for turning on the unit is reached al Frequency limiting al N module temperature Installation and Maintenance Display Method of Outdoor Display Method of Indoor Unit Unit Indicator Display during Malfunction 5 6 Jblinking ON 0 5s and
70. nance method in details Malfunction of the ODU fan motor The ODU fan motor can t operate ae point 4 of maintenance method for Malfunction of compressor Compressor can t operate elie point 5 of maintenance method for 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting l WW Connect wires according to wiring diagram to rong wire connection or poor Check the wiring status according to circuit A An SANA win dc kh ee AA connection diagram irmly 9 After energization room circuit breaker trips off at Electric leakage for air conditione once Refrigerant is leaking Stepping motor is damaged Stepping motor can t operate Repair or replace stepping motor 52 lt Others are all normal while horizontal louver Main board is damaged er ne the main board with the same model 6 o Installation and Maintenance Service Manual 4 Air Conditioner is Leaking Discriminating method air conditioner status Troubleshooting Drain pipe is blocked Water leaking from indoor unit en Ino ISIA ingaran Drain pipe is broken Water leaking from drain pipe Replace drain pipe rapping is not tight his d ep rap it again and bundle it tightly 5 Abnormal Sound and Vibration Discriminating method air conditioner status Troubleshooting hen turn on or turn off the unit he panel and GOE parts will There s the sound of PAPA Normal phenomenon Abnormal sound will expand an
71. nction eliminated Is the temperature sensor normal No Yes according to the resistance table Replace it with a temperature sensor with the same model Is malfunction eliminated Replace the mainboard with the same model End 38 2 Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points e Smoothlyls the control terminal of PG motor connected tightly e Smoothlyls the feedback interface of PG motor connected tightly e The fan motor can t operate e The motor is broken e Detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Start hile power is off stir the blad blade rotates smoothly sheck if the connection of PG Check if the connection of PG motor control terminal is firm an the louvers are opened Measure the voltage of this foot to neutral wire on the mainboard Replace the mainboard with the same model End with a tool to see whether the otor feedback terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after Service Manual e No Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Is malfunction eliminated Insert the control terminal of PG motor tightly s malfunction eliminated Reinstall the blade an
72. nection pipe Max height difference 1465 W m 7032 W 8204 W 10548 W 48000 Btu h 14064 W e When the length of connection pipe is above 5m add refrigerant according to the prolonged length of liquid pipe The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe See 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 _ a 99 50r012 06 or 09 5 016 or 019 Outdoor unit throttle Liquid pipe mm Gas pipe mm Cooling only g m Cooling and heating g m 025 4 or 031 8 022 2 1 350 19 or 022 2 350 2 350 Installation and Maintenance Service Manual Appendix 3 Pipe Expanding Method AN Note Improper pipe expanding is the main cause of refrigerant leakage Please expand the pipe according to the following steps Y X X x 90 Leaning Uneven Burr A Cut the pip Fa e V4 e Confirm the pipe length according to the distance of indoor unit and outdoor unit EN E 1 LI e Cut the required pipe vvith pipe cutter va B Remove the burrs e Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut e Remove the union nut on the indoor connection pip
73. o turn on FEEL function The unit automatically adjust temperature according to the sensed temperature Press this button again to cancel FEEL function 8 K Button Press this button to achieve the on and off of healthy and scavenging functions in operation status Press this button for the first time to start scavenging function LCD displays y Press the button for the second time to start healthy and scavenging functions simultaneously LCD displays and gt Press this button for the third time to quit healthy and scavenging functions simultaneously Press the button for the fourth time to start healthy function LCD display AAA Press this button again to repeat the operation above This function is applicable to partial of models 9 SLEEP Button Press this button to go into the SLEEP operation mode Press it again to cancel this function This function is available in COOL HEAT Only for models with heating function mode to maintain the most comfortable temperature for you 10 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 C meg gt Technical Information 13 Service Manual 14 When selecting CI by remote controller or no display temperature indicator on indoor unit displays set temperature When selecting by remote controller temp
74. or fan will run at low speed and afterone minute the indoorfan will be converted to preset speed Within one minute low speed operation if T 242 C the indoor fan will beconvertedto preset speed Note T indoor amb indicated in D and refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared Total current up and frequency down protection If the total current l 4 SW frequency rise will be allowed if l 2X frequency rise will not be allowed if l 2Y the compressor will run at reduced frequency and if gt the compressor will stop and the outdoor fan will stop with a time lag of 30s 4 Fan Mode Under the mode the indoor fan will run at preset speed and the compressor the outdoor fan the four way valve and the electric heater will stop Under the mode temperature can be set within a range of 16 30 C 5 AUTO Mode D Operation way of AUTO mode a When Tambien220 C it will run in cooling mode The implied set temperature is 25 C note the set temperature sending to outdoor unit is 25 C b For heating and cooling unit when TanbientS 19 C Teuppiementary it will run in heating mode The implied set temperature is 20 C for cooling only unit when T4 4 4 S22 C it will run in fan mode and the displaye
75. or installation 2 Don t use unqualified power cord EN Drainage plug cooling and heating unit Owner s manual remote controller 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 such as welding machine medical equipment 3 The place near coast area 4 The place with oil or fumes 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 appliance must be installed 2 5m above floor 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
76. perate at high speed b When T lt Tamo lt Tpresett2 C indoor fan will operate at medium speed c When Tamb ST preset indoor fan will operate at low speed There should be at least 180s operation time during switchover of each speed 7 Buzzer Control The buzzer will send a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesn t receive the remote control ON signal under the mode of heating mode 8 Auto Button If the controller is on it will stop by pressing the button and if the controller is off it will be automatic running state by pressing the button swing on and light on and the main unit will run based on the remote control if there is remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise close the air outlet After starting the machine if you don t set the swinging function heating mode and auto heating mode the up and down air deflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D
77. peration to quit the function Combination of TEMP and CLOCK buttons About 8 C Heating Function Press TEMP and CLOCK simultaneously in HEAT mode to start 8 C Heating Function Nixie tube on the remote controller displays and a selected temperature of 8 C 46 F if Fahrenheit is adopted Repeat the operation to quit the function About Back lighting Function The unit lights for 4s when energizing for the first time and 3s for later press About HEALTH function COLD PLASMA Turn on the unit start up the fan Breezing and X FAN are excluded and press HEATLTH button on remote controller to start health function If there is not HEALTH button on remote controller the unit defaults health function ON Operation guide 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner 2 Press MODE 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 required fan speed auto low medium and high speed 5 Press SWING button to select fan blowing angle o o Technical Information Service Manual Replacement of Batteries in Remote Controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batt
78. pped within 6 minutes regardless of changes in room temperature 1 COOL Mode D The condition and process of cooling If Tamb 2 T preset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamo lt T preserr2 C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If T oreser2 CS Tamb ET preset the unit will keep running in the previous mode In this mode the reversal valve will not be powered on and the temperature setting range is 16 30 C i Uto Start cooling Tpreset i Original operating status Tpreset 2 C NS p 26min gt 3 min gt 6 min Stop cooling Compressor Outdoor fan ES Indoor fan Setting fan specs RN Stop Protection function Overcurrent protection If total current is high the compressor will run in limited frequency If total current is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and outdoor yellow light will blink 5 times Antifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep running in the original mode When antifreezing protection is eliminated and the compressor has stopped for 3 minutes the compressor will resume
79. running in the original mode During antifreeze protection Compressor 4 23min Outdoor fan Indoor fan Preset speed CRA Stop 2 Dehumidifying Mode 1 Working conditions and process of dehumidifying If Tamb gt T preset the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Toreser2 CST amb ST preset the compressor remains at its original operation state If Tamb ST preserr2 C the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed 2 Protection Protection is the same as that under the cooling mode 3 HEAT Mode D The condition and process of heating If TambS Tpresett2 C HEAT mode will act the compressor outdoor fan and reversal valve will run the indoor fan will delay 3min to stop at the latest If T oresert2 C lt Tamb lt Tpresett C the unit will keep running in the original mode If Tamb2 preset 9 C the compressor will stop the outdoor fan will delay 30sec to stop and indoor fan will blow 60S at low speed the fan speed cannot be shifted within blow residual heat 9 In this mode the temperature setting range is 16 30 C The air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature When the unit is t
80. sponding valve immediately turn off the unit with remote controller and then remove the connection pipe 2 Exit refrigerant recovery function During refrigerant recovery process if any one indoor unit receives any remote control signal or refrigerant recovery function has operates for about 25min refrigerant recovery function will be exited automatically If the complete unit is at standby status before refrigerant recovery the complete unit will still at standby status after refrigerant recovery If the complete unit is at ON status the unit will operate according to original operation mode o Technical Information Service Manual Part Installation and Maintenance 7 Notes for Installation and Maintenance Safety Precautions Important Please read the safety precautions carefully before installation and maintenance The following contents are very important for installation and maintenance Please follow the instructions below e The 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 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 incorr
81. ssor will stop OFF 1S while indoor fan will operate and blink Siimes During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop OFF 1S while indoor fan will operate and blink Atim s During heating operation the complete unit will stop operation OFF 1S and blink 10 times A C status Internal fan motor external fan motor compressor and electric heater stop operation guide louver stops at present location 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 operation OFF 1S and blink 14 times OFF 1S and blink 14 times Outdoor DC fan motor stop operation compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor will restart and blink 9 times OFF 1S and blink 16 times compressor and Outdoor fan motor can t work During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Possible Causes Refer to the malfunction analysis overload high temperature resistant Refer to the malfunction analysis IPM protectio
82. 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 refrigerant 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 ins
83. t ASH 09AIM2 PT ASH 13AIM2 PT Remote Controller YAA1FB Technical Information Service Manual 2 Specifications 2 1 Specification Sheet Passe INERAT Power Supply Mode Cooling Capacity Heating Capacity Cooling Power Input 870 185 1300 Heating Power Input 1200 250 1550 Cooling Power Current Heating Power Current Rated Input Rated Current pA 66 780 Air Flow Volume SH H M L SL Dehumidifying Volume Loth o8 A Application Area 12 18 16 24 Model of indoor unit EM ASH 09AIM2 PT ASH 13AIM2 PT SI Q O O 3 C 2 T o Q c Q r Q O Q D Leeson L31222 CB3O4NOU0 L31222 Evaporator Form __ Aluminum Fin copper Tube AluminumFivcopperTube Coil Length OXW SwngMobrMode mam MPAA o Technical Information Service Manual Model of Outdoor Unit utdoor Unit Product Code ASH 09AIM2 PT CB404W03600_L31222 ZHUHAI LANDA COMPRESSOR CO LTD QXA A091ZE190A RB68EP Rotary 16 5 Compressor Manufacturer Trademark Compressor Model Compressor Oil ompressor Type L R A Compr
84. tallation 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 21 22 Service Manual Main Tools for Installation and Maintenance 1 Level meter measuring tape 2 Screw driver 3 Impact drill drill head electric drill 4 Electroprobe 6 Torque wrench open end wrench inner hexagon spanner z 9 Pressure meter 10 Pipe pliers pipe cutter 11 Pipe expander pipe bender 12 Soldering appliance refrigerant container 000 Installation and Maintenance Service Manual 8 Installation 8 1 Installation Dimension Diagram O O LO CN 0 qv D lt Space to the floor E O Oo 5 Y Q O NYA 5 A D D O VY S jol N iM At least 30cm Space t6 the Wall Drainage pipe Q Jc Se 0 gt OT REC RSE Te AA KN Sip NG WES b ER E Go SY We SN E DA y B SO NS At least 50cm Space to the Obstruction Installation and Maintenance o 0 23 S
85. 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 should be bound separately at the end Indoor and outdoor Fewer cord LA fs wa Liquid pipe Fig 14 Connection pipe Drain hose Band Fig 15 Indoor power cord N 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 Outdoor Indoor Wall pipe Y L 4 Fig 16 Lovver hook of vvall mounting frame AN Note Do not bend the drain hose too excessively in order to prevent blocking 27 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 out
86. tion of sensors ndoor ambient temperature he sensor is detected to be open circuited or short circuited for successive 5 seconds ndoor tube temperature The sensor is detected to be open circuited or short circuited for successive 5 seconds Outdoor ambient temperature The sensor is detected to be open circuited or short circuited for successive 30 seconds The sensor is detected to be open circuited or short circuited for successive 30 seconds and no Outdoor tube temperature M i detection is performed within 10 minutes after defrost begins After the compressor has operated for 3 minutes the sensor is detected to be open circuited or short Exhaust E circuited for successive 30 seconds After the compressor has operated for 3 minutes the sensor is detected to be open circuited or short Overload d l circuited for successive 30 seconds 3 Other Controls 1 ON OFF Press the remote button ON OFF the on off state will be changed once each time you press the button 2 Mode Selection Press the remote button MODE then select and show in the following ways AUTO COOL DRY FAN HEAT AUTO 3 Temperature Setting Option Button Each time you press the remote button TEMP or TEMP the setting temperature will be up or down by 1 Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote control o Technical Information
87. ubleshooting Confirm whether it s due to power failure If yes No power supply or poor After energization operation indicator isn t bright wait for power recovery If not check power connection for power plug and the buzzer can t give out sound Supply circuit and make sure the power plug is connected well rong wire connection between indoor unit and outdoor unit Under normal power supply circumstances or poor connection for wiring operation indicator isn t bright after energization erminals Check the circuit according to circuit diagram and connect wires correctly Make sure all iring terminals are connected firmly Make sure the air conditioner is grounded reliably Make sure wires of air conditioner is connected correctly Check the wiring inside air conditioner Check hether the insulation layer of power cord is damaged if yes place the power cord I fter energization air switch trips off Select proper air switch improper After energization operation indicator is bright Malfunction of remote controller hile no display on remote controller or buttons p db for remote w have noci n epair or replace remote controller 2 Poor Cooling Heating for Air Conditioner Possible Causes Discriminating Method Air conditioner Status Troubleshooting Set temperature is improper Observe the set temperature on remote controllerjAdjust the set temperature Rotation speed of the IDU fan l torso ico IO Small wind blow Set the
88. unding wire screw wiring terminal of motor wiring terminal of step motor electric box Installation and Maintenance Service Manual 8 Remove evaporator assy pipe clamp At the back of the unit remove the screw fixing connection pipe clamp and then remove the connection pipe clamp evaporator Remove 3 screws fixing evaporator assy Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it 9 Remove stepping motor Remove the screw fixing step motor and then remove the step motor Installation and Maintenance o o Screws connection pipe SCrews 61 Service Manual Procedure Steps motor Q w O N U 8 5 LE 5 WANG D UT 1 Umm 1 P 7 HU ING Cl A N Ly THY cross flow zi LINE 4 1 SAND holder Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Ko c qv c O O O O O E Ra ucl 0 D O U D JC D gt O D ad o amp O i O O E E pra D gt O D i Cc D E 10 Remove motor and cross flow blad
89. ure Fahrenheit display temperature CF 68 68 20 Fahrenheit CF Celsius C Ambient temperature Fahrenheit display temperature CF 32 33 32 34 35 5 4 Fahrenheit CF Celsius C 32 37 38 1 1 7 0 1 Fahrenheit display temperature CF Fahrenheit CF Celsius C Fahrenheit display temperature CF 68 600 68 20 Fahrenheit CF Celsius C Appendix 2 Configuration of Connection Pipe 68 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 5000 Btu h 7000 Btu h 9000 Btu h 2637 W 12000 Btu h 18000 Btu h b274 W 24000 Btu h 28000 Btu h 36000 Btu h 42000 Btu h 2051 W 3516 W 12306 W Service Manual Fahrenheit display temperature CF 86 9 0 26 86 007 86 30 90 896 32 Fahrenheit CF Celsius C Fahrenheit display temperature CF 1 Fahrenheit 9 986 37 M Max length of con
90. urned off in HEAT mode or switched to other mode from HEAT mode the four way valve will be powered off after 6 9 Technical Information Service Manual the compressor stops When compressor is running not including each malfunction and protection a When outdoor ambient temperature220 C and indoor fan speed is low or medium the fan speed will turn to high if indoor fan speed is high or super high it will keep the same b When outdoor ambient temperatures18 C the fan speed will resume set fan speed c When 18 C lt outdoor ambient temperature lt 20 C it will run at present fan speed set fan speed or high fan speed but when first exiting cold air prevention after entering heating mode it will run in set fan speed B top heati Tpreset 5 C Zop hearing Original operating status Tpresett2 C amb gt 6 min 23min 2 6 min Compressor Z Outdoor fan 60S 60S Indoor fan 2min E wind lt 2min det ind Reversing valve 77 De Vj Ruf VA Stop Start heating 2 The condition and process of defrosting When frost is detected in the condenser the system will enter into defrosting state When defrosting starts the compressor and indoor fan will stop and the outdoor fan and four way valve will delay 30 seconds to stop The compressor will start after 15 seconds and then defrosting will be started When the compressor
91. utes after turning off all povver supplies and discharge the refrigerant completely before removal 11 1 Removal Procedure of Indoor Unit CI e 1 Remove filter Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them 2 Remove horizontal louver Push out the axile bush on horizontal louver Bend the horizontal louver with hand and then separate the horizontal louver from the crankshaft of step motor to remove it horizontal louver 58 6 9 Installation and Maintenance Service Manual 3 Remove panel Remove two screws fixing display Open the front panel separate the panel rotatio shaft from the groove fixing the front panel and then removes the front panel Note The display of some models is fixed on the panel unscrew the screws fixing the display on the panel before removing the panel 4 Remove electric box cover Remove the screws on the electric box cover to remove the electric box cover 5 Remove front case sub assy groove a Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around the air outlet 2 The quantity of screws fixing the front case sub assy is different for different models front case sub assy screws b Loosen the clasps at left middle and right sides left clasp middle clasp right cl

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