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AUX air conditioner service manual

Foreword

In order to direct services of all installation and maintenance agents, provide all necessary information
of AUX air conditioners, and make the whole service network work under the service concepts of
AUX Co. Ltd, we prepare this service manual.

This manual is composed of 6 parts: Part I, i.e. Chapter I, aims to represent basic work philosophy of
household air conditioners; Part II, including Chapter 2 and Chapter 3, introduces products offered by
AUX, and represents overall condition of AUX air conditioning products; Part III, i.e. Chapter 4,
provides basic disassembly procedure of AUX air conditioning; Part IV, i.e. Chapter 5, introduces
basic troubleshooting workflow of AUX air conditioning so as to enable service workers to get basic
knowledge of air conditioning maintenance; Part V, i.e. Chapter 6, introduces common-used
maintenance tools of air conditioning and some troubleshooting cases of AUX air conditioning. Part
VI, i.e. Annex 1, provides all fault codes of AUX air conditioning so as to enable service workers to
judge the faults correctly(in case of any change of Technical parameters and installation &
maintenance methods in this manual, priority shall be given to “instruction manual”).

Your suggestions and comments are welcome if there’s any error or omission in this manual. Let’s
improve this manual with our joint effort.

AUX Air Conditioning

2006-01-01

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Содержание E Series

Страница 1: ......

Страница 2: ...ssembly procedure of AUX air conditioning Part IV i e Chapter 5 introduces basic troubleshooting workflow of AUX air conditioning so as to enable service workers to get basic knowledge of air conditioning maintenance Part V i e Chapter 6 introduces common used maintenance tools of air conditioning and some troubleshooting cases of AUX air conditioning Part VI i e Annex 1 provides all fault codes o...

Страница 3: ...12000BTU 150 Section two the disassembly and the relating attention issues to the series product of 18000BTU 24000BTU 154 Chapter 5 Troubleshooting and electrical chart of AUX air conditioner 158 Section one Basic faults diagnose process of 9000BTU 12000BTU products 158 Section two Basic faults diagnose process of 18000BTU 24000BTU products 164 Section three Electric wiring diagram of AUX air cond...

Страница 4: ...ional Unit System It deduces the temperature at the absolute stop stage of the heating activity of the molecules inside the substance is 0 degree e g 273 15 which the absolute temperature is stood for by K Usually a T represents its reading 1K of the absolute temperature scale is absolutely equal to 1 of the Celsius scale on value The conversion relation between the Absolute temperature T the Cels...

Страница 5: ...essure and vacuum value are specified in the below picture1 1 Absolute Pressure upper limit line One Atmospheric Pressure 2 Absolute Zero Pressure line Positive Pressure Negative Pressure Vacuum Value Surface Pressure ABSOLUTE PRESSURE Specific Volume The specific Volume is the dimension for the substance with unit mass υ stands for it and the unit is meter3 kilogram m3 kg or Liter kilogram L Kg T...

Страница 6: ...kcal h 3576W 1 Japanese Refrigeration Ton RT 3320kcal h 3860W The relation of the temperature and the quantity of heat The physical object s temperature will decrease if it releases the quantity of heat and consequently cause the increase to the ambiance temperature Otherwise the physical object s temperature will increase if it absorbs the quantity of heat and consequently cause the decrease to t...

Страница 7: ... 1 2 the heat conductivity coefficients of some common materials Material λ kJ m h Material λ kJ m h Copper 1382 Softwood 0 17 0 25 Aluminum 733 Air casing 0 25 Steel 163 Water 2 1 Frost layer 2 1 Glass 2 7 2 9 Glass filament 0 17 0 21 Wood 0 25 0 34 Glass wool 0 13 Plywood 0 62 0 84 Slag wool 0 21 0 34 Polyester formed plastic 0 042 0 11 Convection The transfer of the quantity of heat caused by t...

Страница 8: ... good at heat reflection Because of this the condenser of the refrigerator is painted in black color for strengthening the capability of radiation and the shell surface of the refrigerator is light and brilliant so as to reduce the absorbance caused by the radiation from other objects 3 The State Parameter of air The temperature of air The temperature of air represents the heat extent of the air U...

Страница 9: ...r vapor which is represented by i unit kJ Kg 4 Air conditioning Piture 1 2 is an air conditioning system 6 4 5 2 3 1 1 The controlled working zone also called Air conditioning zone 2 Air transmitting system 3 Fresh air being filtered 4 Sun radiation 5 Outdoor temperature Change The above drawing shows the heat source humidity source or other harmful materials in one aspect come from the production...

Страница 10: ... usually accompanied by the infecting virus to cause kinds of sickness So the filtering process to the air is quite necessary during the air conditioning process The air cleanliness methods include Ventilation filtration adsorption absorbance and catalyzing combustion etc Section two the basic knowledge of refrigeration 1 Refrigerant Refrigerant is also called refrigeration Working Medium The firs...

Страница 11: ... vapor phase and liquid phase are same and retain in the same Azeotropic mixture has some distinguished character comparing with the single refrigerant such as low evaporation temperature large capacity per unit refrigerant and low compressor discharge temperature etc So the application of the azeotropic mixture can enhance the performance of the refrigerant In compliance with the national regulat...

Страница 12: ...erature point shall be low enough in order to be evaporated at a low evaporation temperature The requirement for the physical and chemical character The adhesiveness and density of the refrigerant shall be low enough in order to have a free cycle environment without too much resistance in the system The refrigerant shall have the perfect performance in heat exchanging in order to enhance the effic...

Страница 13: ...e pressures of R407C THR03 and R22 are basically same But the one of R410A is higher than R22 s by 60 The lubricating oil for the replacement cold medium is different from the one for R22 and need to be changed completely However due to the water absorption of the Polyarylether the control on drying process must be strict R407C THR03 and R22 are basically same on the aspect of the capacity per uni...

Страница 14: ...denser and will be cooled and condensed as liquid with high pressure and middle temperature Super heating gas about 95 saturated gas wet gas saturated liquid super cooling liquid 46 the pressure value basically maintain the same About 19Kgf cm and temperature is down Because the narrow diameter of the capillary tubes creates the resistance during the flow of the processed high pressure and super c...

Страница 15: ...refrigerating system that absorbs the heat from the outdoor low temperature air and release the heat to the indoor air so as to have a calefactive indoor air by changing the flowing direction of the refrigerant It also includes the air circulating and purifying devices as well as the damping and ventilation Cooling capacity It means the total quantity of heat per unit time removed by the air condi...

Страница 16: ...t the auxiliary assistant electric heating devices with no aim to defrosting The input power of all control and safety devices The input power of the heat exchange transferring devices Fan and pump Energy efficiency ratio EER It means the ratio of the cooling capacity to the effective input power occurred during the air conditioner s refrigeration process under the rating working status and the sp...

Страница 17: ... generally about 180 270W M The time for temperature s drop and rise After an air circulating all over a room by the air conditioner because of a heat temperature difference 12 15 available between the inletting room temperature and evaporating temperature people may feel an obvious drop happens to the room temperature Such as one set of 3 2Kw air conditioner that is applied to a room with area 13...

Страница 18: ...ditioner and 1 kilowatt hour 1kW h then the quantity of electricity consumption of this air conditioner is 1200W 1h 1 2kW h 1 2kilowatt hour The rating power on the nameplate is validated by the manufacturer under a certain indoor or outdoor temperature and humidity Indoor dry bulb 27 wet bulb19 outdoor dry bulb 35 wet bulb 24 however due to the incomplete same condition of the indoor and outdoor ...

Страница 19: ...degree T absolute temperature K 273 16 t Fahrenheit 9 5t 32 1Pa 1 02 10 5kgf cm The noise of air conditioner It s not allowed to have the strange noise and vibration when the air conditioner is running The regulations with regard to this issue are specified as following The error is permitted by the manufacturer if 3dB A in difference with the announced figure by nameplate manual or adv Etc of the...

Страница 20: ...abbreviation of the EU in Latin language which also express the meaning of conformity to the requirement of EU Environment symbol certification The materials applied in the production and the recycled are given the conception of environment protection such as the degradation time s difference of the form packaging and paper packaging and their recycle possibility ISO9001 International Quality Syst...

Страница 21: ...cle system in the air conditioner It realizes the refrigeration purpose by the way of raising the temperature and pressure of the low temperature pressure refrigerant gas it absorbed after being compressed by the compressor and the consequent conversion between the heat and power In the air conditioner the structure of the compressor is usually hermetic and the electric motor as the impulsion of t...

Страница 22: ...ow into the gas liquid separator The liquid refrigerant falls into the bottom of the cylinder because of gravitation only the gas refrigerant will be sucked into the compressor The liquid refrigerant at the bottom of sleeve can only be allowed after being boiled gasified by absorbing heat The refrigeration oil at the bottom of the cylinder after being separated from the liquid refrigerant and bein...

Страница 23: ...ger is evaporator and the outdoor heat exchanger is condenser There are two sets of heat exchanger configured in the Heat pump air conditioner one is indoor type and the other one is outdoor type both of them are with different function because of the different direction of their flowing circulations During cooling mode the indoor heat exchanger acts as the evaporator and the outdoor heat exchange...

Страница 24: ...r is basically same as the one of evaporator When the compressor works the high temperature and pressure gas refrigerant ejected from the compressor enters into the copper pipe of the condenser through the air inlet mouth and turns into the liquid after the heat exchange process undertaken by the outside wings The condenser usually chooses the air as its cooling medium However due to the low heat ...

Страница 25: ... After stopping the operation of the compressor it can maintain a balance between the low pressure part and the high pressure part for the convenient re start of the compressor The resistance will be reduced and the flux of the refrigerant will be increased if enlarging the inner diameter or shortening the length of the capillary tubes and on the contrary if otherwise The capillary tubes must matc...

Страница 26: ...regarding to the structure it is usually called four way valve It is used to changes the function of the condenser and evaporator and realize the shift between the air conditioner s functions of refrigerating heating or defrosting etc through the way of changing the direction of the flow of the refrigerant in the system Refer to the below picture 2 8 for the figure of the electromagnetic reversing...

Страница 27: ...es move horizontally inside the valve body and have the two connecting pipes at the bottom of the valve body to be connected through the two valve holes being covered by the slide The other connecting pipe at the bottom connects with the valve body through another valve hole The piston and the slide connect together by the valve bracket and move together in synchronization When the air conditioner...

Страница 28: ...The flow process is indicated in Chart 2 one way Valve Check valve is also called anti reverse valve it permits the refrigerant to flow in only one direction in the refrigeration system and to be installed in the pipes for preventing process flow from reversing It is mainly applied in the heat pump air conditioner and adopted as the assistant to the electromagnetic reversing valve for changing the...

Страница 29: ...low pressure is small the main capillary tube is throttling component and the auxiliary capillary is short circuited by the check valve In heating cycle the check valve in parallel connection with the auxiliary capillary tubes is cut off the refrigerant will flow through the auxiliary capillary then the throttling components are the combination of the main capillary tubes and the auxiliary capilla...

Страница 30: ...f the valve rod by the inner hexagonal spanner The attention herein is If screw off in clockwise direction the valve rod moves down and the valve hole closes otherwise the valve hole opens and the two vertical pipelines get through together Three way stop valve In addition to all the above functions of two direction cut off valve the three direction cut off valve owns an extra service entry that p...

Страница 31: ...oner includes two types high pressure switch and low pressure switch They are composed of the screw joint entry thin shell film flake dynamic contact point static contact point and mandril etc Such as the picture 2 16 The high pressure switch is fixed at the high pressure side of the refrigerating system It shuts off the main controlling circuit of the air conditioner and stops the operation of th...

Страница 32: ...AUX air conditioner service manual The other parts 29 ...

Страница 33: ...AUX air conditioner service manual 30 ...

Страница 34: ...e electrical power The input voltage 175 V 253V The input AC curr ent frequency 50Hz The operating temperature for electric controller 10 70 The operating moisture for electric controller RH20 RH90 The indoor fan RP plastic sealed motor three impulse feedback signal The outdoor fan tap iron shell motor only one speed range and the normal working current shall be lower than 1 5A The normal working ...

Страница 35: ...of cooling dehumidification and heating mode as the working mode according to the indoor air temperature a When TA TA1 the controller enters into the cooling mode and follows the mode in working The setting temperature herein is 24 and the setting wind speed is strong wind b When TA2 TA TA1 the controller enters into the dehumidification mode and follows the mode in working The setting temperature...

Страница 36: ...ive ion optional I feel optional The system mode will not change along with the variety of the indoor temperature after being selected The new working mode will be selected again after air conditioner turns off or mode switch Cooling mode The setting temperature shall be set by the remote control The temperature controlling range is 16 32 The setting temperature can be adjusted through the button ...

Страница 37: ...outdoor fan runs for 10minutes and stops for 6minutes The indoor fan turns off during the compressor s 3 minutes stopping period and keeps on working in breeze mode under other conditions c TA TS the compressor and the outdoor fan stop working and the indoor fan start to work in breeze mode after stopping for 3 minutes Automatic wind speed control TA TS 5 the wind speed is on high wind TS 3 TA TS ...

Страница 38: ...e digital display has 3 temperature compensation TA 3 TS retain the previous status Automatic wind speed control when TA TS wind speed in high fan TS TA TS 2 wind speed in middle fan TA TS 2 wind speed in low fan When wind speed turns from the low fan to high fan without 3 minutes protection delay wind speed turns from the high fan to low fan with 3 minutes protection delay When the heating proces...

Страница 39: ...oor fan blows the set wind speed TE6 TE TE5 the indoor fan blows the mute wind TE7 TE TE6 the indoor fan blows the breeze TE TE7 the indoor fan turns off The anti cold wind status when the compressor stops working a When TE is in fall status and at the moment of TE TE2 the indoor fan blows breeze at the moment of TE TE2 indoor fan turns off b When TE is in rise status and at the moment of TE TE6 t...

Страница 40: ...is damaged and the turn off without non electricity occurred in the ongoing auxiliary electric heating process the indoor fan turns in the low speed wind operation for 40 seconds and stops Intelligent defrosting function Under the operation of the intelligent defrosting mode t he air conditioner starts the defrosting process if satisfying the requirement of one of the below five conditions the sub...

Страница 41: ...duration of the intelligent defrosting process 9min b After the 4 minutes defrosting process if TE 0 and the TE rise by 2 within 10seconds c After the 5 minutes defrosting process if TE 5 d Test the current of the compressor 1 minute later after compressor starts When the current of the compressor 6A 3 2Kw 3 5Kw wall mounted unit require the current of the compressor 8A and continuous lasts for 5 ...

Страница 42: ...ner The timing range is 1min 24h and the air conditioner turns off automatically once the time is over Timing power on The timing power on function can be set only under the working condition of the air conditioner The timing range is 1min 24h and the air conditioner turns on automatically once reaching the time The restart and power off motions happen after completion of the Timing setting will c...

Страница 43: ...stays in waiting and the digital display indicates the corresponding fault code is E4 Turn off the air conditioner by remote control and the fault display will not show The definition to swing angle of the air door Picture 3 shows the swing angle of the step motor of E series wall mounted type air conditioner under 4 8kW Except 4 8 kW Once being electrified the air door effect a motion of total cl...

Страница 44: ... wind speed option is as below High Fan R24 Middle Fan R28 Low Fan R26 1330 1 2K 1250 1 2K 1100 1 2K 1280 3K 1200 3K 1050 3K 1230 5 1K 1150 5 1K 1000 5 1K 1180 8 2K 1100 8 2K 950 8 2K 1130 12K 1050 12K 900 12K 1080 20K 1000 20K 850 20K 1030 36K 950 36K 800 36K 980 82K 900 82K 750 82K Note The mute wind speed under heating mode is 850r min and 800r min for non heating mode The breeze speed is 650r ...

Страница 45: ...g of sleeping and timing functions occurs before the non electricity event after air conditioner owns the Auto restart function the default condition of the controller is power off status after being electrified again I feel function a The setting method for I feel function Press the I feel function button on the remote controller the controller will effect the I feel function once receiving the s...

Страница 46: ...anger overheating protection function under heating mode The automatic defrosting and reheating function under heating mode The anti cold air functions under heating mode The anti freezing function under cooling and defrosting modes Self detecting function 3 The Specification of the main function he specialty terms and express TA stands for the indoor ambiance temperature TE stands for the indoor ...

Страница 47: ...Automatic mode When controller selects an automatic working mode the indication light twinkles for 20 seconds and the air conditioner does not start working until the working mode to be selected by the system The air conditioner automatically selects one of the cooling dehumidification and heating mode as the working mode according to the indoor air temperature When TA 27 the controller enters int...

Страница 48: ...tive ion optional I feel optional When the cooling ongoing the button of the Swing can control the swing and stop of the horizontal air blade Automatic wind speed control TA TS 3 wind speed works at high wind TS 1 TA TS 3 wind speed works at middle wind TA TS 1 wind speed works at low wind Without 3 minutes delay when the wind speed turns into the high wind from the low wind otherwise with 3 minut...

Страница 49: ...rts 2 seconds later after the start of the compressor When the indoor fan runs the air door can be set as free swing and the swing condition is same as the one under cooling mode a When TE 2 last for 10seconds and the compressor runs continuously for above 5minutes if turn off the compressor and outdoor fan the indoor fan runs at the setting wind speed If TE 7 quit from the protection b When TE 64...

Страница 50: ...d speed turns to high fan from the low fan there is 3 minutes protection delay when the wind speed turns to low fan from the high fan W hen heating process ongoing the button of Swing can control the swing leaves to swing or stop Being electrified initially the compressor has no 3 minutes protection delay The compressor starts 10 seconds later after the start of the four way valve and the outdoor ...

Страница 51: ...on when compressor stops When TE is in the fall status if TE 30 the indoor fan runs at low fan speed TE30 indoor fan turns off When TE is in the rise status if TE35 the indoor fan runs at low fan speed TE35 indoor fan turns off Picture 2 Residual heat removing function after air conditioner stops When TE 35 the indoor fan runs at the low fan speed if 35 the indoor fan turns off and air conditioner...

Страница 52: ...ss The defrosting process ending condition The defrosting process will quit if one of the below conditions to be satisfied a Outdoor coil 12 b Defrosting process last for 12minutes c The defrosting process quits once change modes or air conditioner turns off by remote control After the defrosting process the compressor turns off and the outdoor fan turns on After 55 seconds the four way valve turn...

Страница 53: ...mode switching operation is allowed and workable but it will delete the sleeping function The air conditioner will run at the temperature of new setting temperature temperature correction if press the button of add temp Under the sleeping status if press down the button of sleeping or change modes or on off the sleeping process will be deleted and ended The sleeping process under cooling mode Sett...

Страница 54: ... stepping motor moves in 1 second Æthe indoor fan runs for 1 second at low fan speed and middle fan speed separatelyÆthe compressor moves for 1 second ÆThe four way valve moves for 1 second ÆOutdoor fan moves for 1 second ÆNegative ion generator moves for 1 second Æbuzzer deliver one short toneÆElectric heating runs 30 Seconds and stops then the air conditioner turn into the waiting status the sel...

Страница 55: ...le between 2 4 The swinging speed is 1step 16ms When the indoor fan stops operation if the setting swinging mode set by the remote control is automatic swinging the Horizontal air blade will turn to the corresponding position and to be orientated For example the corresponding position under Cooling mode is position 2 Picture 3 for Heating mode is position 5 Picture 3 resume the automatic Swing onc...

Страница 56: ... there is no 3 minutes protection delay occurred to the compressor when the non electricity event happens accidentally under the power on status if re electrify and turn on the air conditioner there is 3 minutes protection delay occurred to the compressor d If the setting of sleeping and timing functions occurs before the non electricity event after air conditioner owns the Auto restart function t...

Страница 57: ...e controller turns on for starting the output of the negative ions When the negative ion function is on press the negative ion function button on the remote control and the negative ion relay in the controller turns off for stopping the output of the negative ion ...

Страница 58: ...ted Wall mounted Wall mounted Wall mounted Rotary Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 Cooling Cooling Cooling Cooling Cooling Heating Heating Heating Heating Heating Rotary Rotary Rotary Through flow fan leaves Through flow fan leaves Axial flow fan leaves Axia...

Страница 59: ...h KW dB dB W W A A A m A Kg W W In pu t D im e ns io n ASW 12B4 E ASW H12B4 E Indoor Indoor Outdoor Outdoor Wall mounted Wall mounted Rotary Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 Cooling Cooling Cooling Cooling Cooling Heating Heating Heating Heating Heating Rota...

Страница 60: ...Wall mounted Wall mounted Rotary Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 Cooling Cooling Cooling Cooling Cooling Heating Heating Heating Heating Heating Rotary Rotary Rotary Through flow fan leaves Through flow fan leaves Axial flow fan leaves Axial flow fan leaves...

Страница 61: ...W dB dB W W A A A m A Kg W W In pu t D im e ns io n ASW 12B4 E R ASW H12B4 E R Indoor Indoor Outdoor Outdoor Wall mounted Wall mounted Rotary Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 Cooling Cooling Cooling Cooling Cooling Heating Heating Heating Heating Heating Rot...

Страница 62: ...all mounted Wall mounted Rotary Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 Cooling Cooling Cooling Cooling Cooling Heating Heating Heating Heating Heating Rotary Rotary Rotary Through flow fan leaves Through flow fan leaves Axial flow fan leaves Axial flow fan leaves ...

Страница 63: ...all mounted Wall mounted 5 3 5 8 14 6 14 6 46 46 55 2080 9 5 98 49 0 250V 16A 3 15 15 40 Φ6 35 3600 Φ12 7 3600 Φ14 780 Rotary 1875 Indoor unit Out DB27 Wb19 DB35 Wb24 door unit Indoor unit Outdoor unit DB20 Wb DB7 Wb6 Indoor unit Outdoor unit DB32 Wb23 DB43 Wb26 Indoor unit Outdoor unit DB27 Wb DB24 Wb18 5 3 1 9 14 6 46 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 2050 9 5 9 4 98 98 49 0 7 ...

Страница 64: ...put factor Starting current Power supply cord Length Fuse capacity dimen sion D W H Net weight Liquid Gas Drain pipe Type Type Type Type Heat exchanger row line Refrigerant controller Freezed oil capacity Refrigerant Charge g Protection equipment Cooling test condition Max Cooling test condition Heat ing test condition Max Heat ing test condition In p ut D im en sio n Indoor Indoor Indoor Indoor O...

Страница 65: ...put factor Starting current Power supply cord Length Fuse capacity dimen sion D W H Net weight Liquid Gas Drain pipe Type Type Type Type Heat exchanger row line Refrigerant controller Freezed oil capacity Refrigerant Charge g Protection equipment Cooling test condition Max Cooling test condition Heat ing test condition Max Heat ing test condition In pu t D im e ns io n Indoor Indoor Indoor Indoor ...

Страница 66: ...haracteristics of the appearance and structure The appearance photos of the indoor unit and outdoor unit VB panel CS panel P panel ZV panel DS panel FS panel VA panel 120 three phase Outdoor unit 18000 24000 BTU h Outdoor unit 9000 12000 BTU h Ⅱ Appearance of Remote controller 63 ...

Страница 67: ...elf lock function will be cancelled When the non electricity happens to the whole unit the self lock function is invalid too 2 Mode button used for selecting the working mode of the air conditioner the option working mode of heat pump type includes cooling dehumidifying heating and ventilating The option working mode of cooling only type includes cooling dehumidifying and ventilating 3 Working ind...

Страница 68: ...n off button 8 wind speed button 9 mode button10 sleeping button11 right and left wind button 12 up and down wind button13 electric heating button The function of the buttons and the corresponding indication light display 1 Remote signal receiving window used for receiving the signal delivered from the remote controller 2 Mode button used for selecting the working mode of the air conditioner the o...

Страница 69: ...er Green color Digital display a dehumidify b cooling c wind speed d lock e heating heat pump type ventilating cooling only type f electric heating unavailable for air cooling type g timing h timing time display display fault code when fault happens i temperature displays includes the setting temperature and room temperature j defrosting unavailable for cooling only type k sleep m grid swing The f...

Страница 70: ...humidifying l sleep j lock k swing right and left L health m humidity n timing on off O temperature P up and down grid Ⅳ Functions for the controller of the Floor standing unit Z C series 1 The basic working conditions for the operation of the controller The applicable voltage range of the electrical power The input voltage 175 V 253V The input AC current frequency 50Hz The operating temperature f...

Страница 71: ...ectric heating strong fan The system restores if the total air conditioner with non electricity b When the air conditioner is off if press the on off button the air conditioner turns on the run indication light on the control panel on and the system functions restores in accordance with the information reserved before the off of air conditioner except the timing start function mode button Press mo...

Страница 72: ...erical tube screen light on At this moment there is no response from the tube screen to any other buttons being pressed as well as the signal from the remote controller Under the lock condition if press the plus and minus buttons simultaneously and last for 3 seconds or more the lock symbol on the numerical tube screen turns off and resumes to the normal condition T he button functions of the remo...

Страница 73: ...fter the timing time expires the air conditioner runs according to the above setting functions d The timing status under display can be cancelled by pressing the timing button Press the on off button to run according to the pre setting conditions mode button Press mode button the operation modes of the Heat pump unit is in cycle according to the sequence of cooling dehumidifying ventilating heatin...

Страница 74: ...ture will display on the screen of the operation panel The air conditioner is in the off condition After pressing the on off button to start the air conditioner will run according to the selected working modes C ooling mode The temperature setting range is 16 32 a The primary setting temperature is 24 setting fan speed is high fan Press plus minus button to adjust the setting temperature Press the...

Страница 75: ... the defrosting condition when running under the heating mode When transforming from the heating mode to the other mode or the air conditioner turns off with electricity the four way valve turns off in 2minutes 50 seconds delay d Anti cooling air function and residual heat removal Indoor fan unit control The indoor fan unit is controlled according to the setting temperature indoor room temperature...

Страница 76: ...ctric heating quit A TA TA4 B TS TA 1 C TE TE7 c The electric heating quit once any one of the compressor and the indoor fan unit doesn t work When the compressor runs if the auxiliary electric heating quit the electric heater can restart after 1 minute s delay Intelligent defrosting function a The start condition for defrosting The defrosting function is workable if meet one of the below conditio...

Страница 77: ...ature 48 E If the defrosting process is not allowed to be undertaken by the air conditioner after two hours protection delay for the outdoor fan unit the defrosting process will start by force b The quitting condition for defrosting A the defrosting time is longer than 9 minutes B After 4 minutes defrosting have been the indoor coil temperature 0 and the increase of the indoor coil temperature 2 C...

Страница 78: ...coil temperature for confirming the validity of starting overheating protection A if TE TE10 and last for 10 seconds continuously the outdoor fan unit close and start the indoor coil overheating protection and continuously detect the indoor coil temperature B if TE TE11 compressor turns off C During the above protection period if TE TE7 the overheating protection quit and resume the former working...

Страница 79: ...he corresponding code of the fault Fault of the indoor room temperature sensor System stops the Digital screen displays E1 and can be restored automatically Fault of the indoor coil temperature sensor System stops the Digital screen displays E3 and can be restored automatically Fault of insufficient fluorine System stops the run indication light twinkles and can be restored after restarting System...

Страница 80: ...own air guiding blade s automatic swing position close The buzzer s driving function The indoor fan s driving function LCD screen displaying and fault alerting function LCD screen apheliotropic con trol bluing in heating orange in heating shut off 10 seconds later Timing on off function The compressor restarting protection function The indoor heat exchanger overheating protection function under he...

Страница 81: ...y b When the air conditioner is off if press the on off button the air conditioner turns on and the system functions restores in accordance with the information reserved before the off of air conditioner and the timing start function canceled c When under the turn off condition the display is the default mode of primary being electrified or the mode latest starting The timing starting function can...

Страница 82: ...conds or more the corresponding lock symbol on the numerical tube screen light on At this moment there is no response from the tube screen to any other buttons being pressed Under the lock condition if re press the plus and minus buttons simultaneously and last for 3 seconds or more the lock symbol on the numerical tube screen turns off When under locking function the button functions of the remot...

Страница 83: ...he sleeping function can be set or cancelled by this button only under the cooling and heating modes The corresponding indication is displayed on the LCD screen of the operation panel but the fan speed display is invariable up and down fan or right and left fan button a Press this button for setting the up and down fan or right and left fan b Whether the up and down fan button function being set o...

Страница 84: ...r is in the OFF condition After pressing the on off button to start the air conditioner will run according to the selected working modes Cooling mode The temperature setting range is 16 32 a The primary setting temperature is 25 setting fan speed is high fan Press plus minus button to adjust the setting temperature Press the fan button to select the setting fan speed between low fan and high fan b...

Страница 85: ...eed can be restored after the temperature reach TE1 5 B when TE2 TE TE1 the indoor fan unit runs at the low fan speed If the temperature rise up to TE2 and fall down again the fan stops only after the temperature reach TE2 2 C When TE TE2 the indoor fan doesn t start hereafter if the coil temperature TE2 the fan restore to the normal working condition D If the indoor fan unit stop running for over...

Страница 86: ...tarts and the time of continue running 10minutes and the accumulated running time of the compressor 45 minutes the continuous running time 20minutes TE TE6 and shall continue 3minutes B When start the heating mode or 5 minutes later after the defrosting process and after the process for catching the maximum temperature difference between the indoor coil and indoor temperature when the difference v...

Страница 87: ...ce The defrosting process will start if meet any one of the above condition b The quitting condition for defrosting A the defrosting time is longer than 9 1 9 1 minutes B After 4 1 3 minutes defrosting have been the indoor coil temperature 0 and the increase within 10 seconds of the indoor coil temperature 2 C After 5 1 4 minutes the defrosting have been if the indoor coil temperature 5 defrosting...

Страница 88: ... starting overheating protection A if TE TE10 and last for 5 seconds the outdoor fan unit close and start the indoor coil overheating protection meanwhile with the twinkling light of the heating mode indication light and continuously detect the indoor coil temperature B if TE TE11 and last for 10seconds compressor turns off and display E5 C During the above protection period if TE TE12 the overhea...

Страница 89: ...e on off button of the control panel and connect the electricity power the controller complete the self testing function along with the following procedure LCD screen displays in full screen size until the completion of the self detection the buzzer rings once Æswing up and down in a maximum angleÆhigh fan speed ends until the start of middle fan electric heating ends until the start of self detec...

Страница 90: ...ricity being cut off and the following conditions are going to be memorized mode fan speed setting temperature swing status on off status If it s under operation status before electricity being cut off there is three minutes delay protection function after being re electrified and start If it s under close status before electricity being cut off there is no three minutes delay protection function ...

Страница 91: ...or unit AS H18A4 1 AS H18B4 AS H24A4 AS H24B4 W 4600 5100 6100 7150 Cooling capacity Btu h 15700 17400 20800 24400 W 5100 1200 5610 1200 6710 1500 7900 2100 Heating capacity auxiliary electric heating Btu h 17400 4100 19100 4100 22300 5100 28000 7200 cooling 1750 1950 2300 2700 Rated power consumption W heating 1650 1200 1 8 1200 2300 1500 2700 2100 cooling 8 1 9 10 6 12 4 Rated current A heating ...

Страница 92: ...tion of the electric connecting cable 3 1 5mm2 2 0 75mm2 3 1 5mm2 2 0 75mm2 3 2 5mm2 3 0 75mm2 3 2 5mm2 3 0 75mm2 Total unit ASF H18A4 CZ ZZ ASF H18B4 CZ ZZ P ASF H24A4 CZ ZZ P ASF H24B4 CZ ZZ P Indoor unit ASF H18A4 C Z ASF H18B4 C Z P ASF H24A4 C Z P ASF H24B4 C Z P model items Outdoor unit AS H18A4 1 AS H18B4 AS H24A4 AS H24B4 Motor model YDK40 6 YDK40 6 YDK68 6A YDK68 6A Rotate speed of motor ...

Страница 93: ...nectin g tube The distance of the indoor and outdoor unit Max tube length 10 10 10 15 Cooling only unit Total unit ASF 18A4 C Z ASF 18B4 C Z P ASF 24A4 C Z P ASF 24B4 C Z P Indoor unit ASF 18A4 C Z ASF 18B4 C Z P ASF 24A4 C Z P ASF 24B4 C Z P model items Outdoor unit AS 18A4 1 AS 18B4 AS 24A4 AS 24B4 W 4600 5100 6100 7150 Cooling capacity Btu h 15700 17400 20800 24400 W Heating capacity auxiliary ...

Страница 94: ...DY 49TDJ 49TDY 49TDJ 49TDY 49TDJ 49TDY 49TDJ Power W 3 3 3 3 Fuse A 3 5 3 5 3 5 3 5 Noise dB A 38 42 38 42 41 48 42 49 Dimension cm L W H 30 48 3 170 5 30 48 3 170 5 30 48 3 170 5 30 48 3 170 5 Net weight kg 35 35 35 37 Specification of the electric cable 3 1 5mm2 3 1 5mm2 3 3 0mm2 3 3 0mm2 Indoor unit Specification of the electric connecting cable 3 1 5mm2 3 1 5mm2 3 2 5mm2 2 0 75mm2 3 2 5mm2 2 0...

Страница 95: ...lled Inner installed Inner installed Noise dB A 53 54 56 57 Dimension cm L W H 32 81 8 54 32 81 8 54 37 8 86 7 69 5 37 8 86 7 6 9 5 Net weight kg 40 40 52 53 Installation size mm 540 326 Original length m 3 6 3 6 3 6 3 6 Liquid tube 6 6 9 52 9 52 Outer diamete r Thickn ess mm Gas tube 12 12 15 88 15 88 Liquid tube Dg4 Dg4 Dg8 Dg8 specific ation of the copper nut Gas tube Dg10 Dg10 Dg13 Dg13 Max fa...

Страница 96: ... 5 9 5 8 2 4 5 Power supply V Hz 380 50 380 50 380 50 380 50 Air circulation m3 h 1000 1000 2000 2000 Max input power W 3600 3600 6500 6500 Max input current A 6 4 6 4 13 8 13 5 Refrigerant R22 R22 R22 R22 Motor model YDK50 8A YDK50 8A YDK100 8 851 YDK50 8A Rotate speed of motor r min 570 500 430 570 500 430 410 340 250 410 340 250 Output power W 50 50 50 50 Air blade name Centrifugal blade Centri...

Страница 97: ...60 4 20 YDK150 60 420 Rotate speed of motor r min 850 850 820 820 Power of motor W 68 68 150 150 Motor capacitor 4 0 4 0 6 6 Specification of air blade diameter mm 440 440 490 125 490 125 Refrigerant charge kg 2 2 3 3 Refrigerant control Working temperature of compressor 7 43 7 43 7 43 7 43 Protection device Inner installed Inner installed Inner low pressure protection exhaust temperature protecti...

Страница 98: ... the energy saving function 2 I feel The location of the indoor sensor is displaced from the traditional air inlet side to the remote controller If only accompanying the human body the remote controller will supervise the actual ambiance temperature around the human body and maintain the most comfortable temperature as the human body can feel With the function of double control the temperature con...

Страница 99: ...ctions are forced by the various electric step motors They can swing independently and also can swing together which enlarged the air supplying angle and balanced the indoor temperature properly 5 Music reminding button Every press on the button derivates the reminding music which is same as the functions of the buttons on the mobile phone 6 The specification of the sterilization function The dust...

Страница 100: ...AUX air conditioner service manual 97 Chapter 3 Exploded pictures of AUX products Section one E series products 1 ASW H09A4 ET Indoor unit exploded picture ...

Страница 101: ...tor 1 15 蒸发器总成 Evaporator 1 16 底座组件 Chassis 1 17 挂板组件 Mounting plate 1 18 管路压板 Tube clamp plate 1 19 塑封电机组件 Indoor fan motor 1 20 电机盖 Cover for indoor fan motor 1 21 电控盒 Electric controller box 1 22 变压器 Transformer 1 23 室内传感器 Plastic temperature sensor 1 24 主控板 Main PCB 1 25 内盘传感器 Copper temperature sensor 1 26 遥控器接收座 Signal receiver holder for Remote controller 1 27 温控探头支架 Temperature sensor hold...

Страница 102: ...AUX air conditioner service manual 99 Outdoor unit exploded picture ...

Страница 103: ...kside steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电...

Страница 104: ...AUX air conditioner service manual 101 2 ASW H09A4 EC Indoor unit exploded picture ...

Страница 105: ...rutch for evaporator 1 15 蒸发器总成 Evaporator 1 16 底座组件 Chassis 1 17 挂板组件 Mounting plate 1 18 管路压板 Tube clamp plate 1 19 塑封电机组件 Indoor fan motor 1 20 电机盖 Cover for indoor fan motor 1 21 电控盒 Electric controller box 1 22 变压器 Transformer 1 23 室内传感器 Plastic temperature sensor 1 24 主控板 Main PCB 1 25 内盘传感器 Copper temperature sensor 1 26 遥控器接收座 Signal receiver holder for Remote controller 1 27 温控探头支架 Temper...

Страница 106: ...AUX air conditioner service manual 103 Outdoor unit exploded picture ...

Страница 107: ...kside steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电...

Страница 108: ...AUX air conditioner service manual 105 3 ASW H12A4 ET Indoor unit exploded picture ...

Страница 109: ...ator 1 15 蒸发器总成 Evaporator 1 16 底座组件 Chassis 1 17 挂板组件 Mounting plate 1 18 管路压板 Tube clamp plate 1 19 塑封电机组件 Indoor fan motor 1 20 电机盖 Cover for indoor fan motor 1 21 电控盒 Electric controller box 1 22 变压器 Transformer 1 23 室内传感器 Plastic temperature sensor 1 24 主控板 Main PCB 1 25 内盘传感器 Copper temperature sensor 1 26 遥控器接收座 Signal receiver holder for Remote controller 1 27 温控探头支架 Temperature sensor hol...

Страница 110: ...AUX air conditioner service manual 107 Outdoor unit exploded picture ...

Страница 111: ...kside steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电...

Страница 112: ...AUX air conditioner service manual 109 4 ASW H12A4 EC Indoor unit exploded picture ...

Страница 113: ...rutch for evaporator 1 15 蒸发器总成 Evaporator 1 16 底座组件 Chassis 1 17 挂板组件 Mounting plate 1 18 管路压板 Tube clamp plate 1 19 塑封电机组件 Indoor fan motor 1 20 电机盖 Cover for indoor fan motor 1 21 电控盒 Electric controller box 1 22 变压器 Transformer 1 23 室内传感器 Plastic temperature sensor 1 24 主控板 Main PCB 1 25 内盘传感器 Copper temperature sensor 1 26 遥控器接收座 Signal receiver holder for Remote controller 1 27 温控探头支架 Temper...

Страница 114: ...AUX air conditioner service manual 111 Outdoor unit exploded picture ...

Страница 115: ...kside steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电...

Страница 116: ...AUX air conditioner service manual 113 5 ASW H18B4 ET Indoor unit exploded picture ...

Страница 117: ... blade B 1 8 导风门连杆 Connection pole of horizontal air blade 1 9 步进电机组件 Step motor 1 10 十字槽自攻螺钉 Screw 1 11 大扁头自攻螺钉 Screw 12 12 压线板 Wiring clamping cover 1 13 导风架组件 Air blade holder 1 14 控制器总成 Electric controller assembly 1 15 抽头塑封电机组件 Indoor fan motor 1 16 管路压攀 Pipe clamp 1 17 挂板组件 Mounting plate 1 18 底座组件 Chassis 1 19 贯流风叶组件 Indoor fan 1 20 橡胶轴承座组件 Rubber bearing 1 21 蒸发器总成 Evaporator assembly 1 22...

Страница 118: ...AUX air conditioner service manual 115 Outdoor unit exploded picture ...

Страница 119: ...Handle 2 9 电容抱攀 Capacitor clamp 1 10 压缩机电容 Compressor capacitor 1 11 电机电容 Fan motor capacitor 1 12 压线板 Wiring clamping cover 1 13 电器架 Electrical holding plate 1 14 五位端子板 Terminal board 1 15 隔风立板 Partition plate 1 16 压缩机 Compressor 1 17 毛细管组件 Capillary assembly 1 18 四通阀管路组件 Four way valve assembly 1 19 截止阀组件 Dg4 Liquid valve Dg4 1 20 截止阀组件 Dg10 Gas valve Dg10 1 21 底盘组件 Chassis 1 22 十字槽自攻螺钉 Screw 4 ...

Страница 120: ...AUX air conditioner service manual 117 6 ASW H24B4 ET Indoor unit exploded picture ...

Страница 121: ...l air blade B 1 8 导风门连杆 Connection pole of horizontal air blade 1 9 步进电机组件 Step motor 1 10 十字槽自攻螺钉 Screw 1 11 大扁头自攻螺钉 Screw 12 12 压线板 Wiring clamping cover 1 13 导风架组件 Air blade holder 1 14 控制器总成 Electric controller assembly 1 15 抽头塑封电机组件 Indoor fan motor 1 16 管路压攀 Pipe clamp 1 17 挂板组件 Mounting plate 1 18 底座组件 Chassis 1 19 贯流风叶组件 Indoor fan 1 20 橡胶轴承座组件 Rubber bearing 1 21 蒸发器总成 Evaporator assembly...

Страница 122: ...AUX air conditioner service manual 119 Outdoor unit exploded picture ...

Страница 123: ...抱攀 Capacitor clamp 1 10 压缩机电容 Compressor capacitor 1 11 单极交流接触器 AC Contactor 1 12 电机电容 Fan motor capacitor 1 13 压线板 Wiring clamping cover 1 14 电器架 Electrical holding plate 1 15 五位端子板 Terminal board 1 16 隔风立板 Partition plate 1 17 压缩机 Compressor 1 18 毛细管组件 Capillary assembly 1 19 四通阀管路组件 Four way valve assembly 1 20 截止阀组件 Dg8 Liquid valve Dg8 1 21 截止阀组件 Dg13 Gas valve Dg13 1 22 底盘组件 Chassis 1 23 十字槽...

Страница 124: ...AUX air conditioner service manual 121 Section two H series products 1 ASW H09A4 HSF Indoor unit exploded picture ...

Страница 125: ...porator assembly 1 13 底座组件 Chassis 1 14 挂板组件 Mounting plate 1 15 管路压板 Tube clamp plate 1 16 塑封电机组件 Indoor fan motor 1 17 电控盒 Electric controller box 1 18 变压器 Transformer 1 19 室内传感器 Plastic temperature sensor 1 20 主控板 Main PCB 1 21 内盘传感器 Copper temperature sensor 1 22 遥控器接收座 Signal receiver holder for Remote controller 1 23 温控探头支架 Temperature sensor holder 1 24 接收板 Receiver board 1 25 端子板 Terminal ...

Страница 126: ...AUX air conditioner service manual 123 Outdoor unit exploded picture ...

Страница 127: ...de steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电器罩 ...

Страница 128: ...AUX air conditioner service manual 125 2 ASW H09A4 HSL Indoor unit exploded picture ...

Страница 129: ...12 蒸发器总成 Evaporator assembly 1 13 底座组件 Chassis 1 14 挂板组件 Mounting plate 1 15 管路压板 Tube clamp plate 1 16 塑封电机组件 Indoor fan motor 1 17 电控盒 Electric controller box 1 18 变压器 Transformer 1 19 室内传感器 Plastic temperature sensor 1 20 主控板 Main PCB 1 21 内盘传感器 Copper temperature sensor 1 22 遥控器接收座 Signal receiver holder for Remote controller 1 23 温控探头支架 Temperature sensor holder 1 24 接收板 Receiver board 1 25 端...

Страница 130: ...AUX air conditioner service manual 127 Outdoor unit exploded picture ...

Страница 131: ...de steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Electromagnetic loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电器罩 ...

Страница 132: ...AUX air conditioner service manual 129 3 ASW H09A4 HS Indoor unit exploded picture ...

Страница 133: ...orator 1 12 蒸发器总成 Evaporator 1 13 底座组件 Chassis 1 14 挂板组件 Mounting plate 1 15 管路压板 Tube clamp plate 1 16 塑封电机组件 Indoor fan motor 1 17 电控盒 Electric controller box 1 18 变压器 Transformer 1 19 室内传感器 Plastic temperature sensor 1 20 主控板 Main PCB 1 21 内盘传感器 Copper temperature sensor 1 22 遥控器接收座 Signal receiver holder for Remote controller 1 23 温控探头支架 Temperature sensor holder 1 24 接收板 Receiver board 1 25 端...

Страница 134: ...AUX air conditioner service manual 131 Outdoor unit exploded picture ...

Страница 135: ...ckside steel grille 1 11 电器盖板 Handle 1 12 右侧板 Right side plate 1 13 电容抱攀 Capacitor clamp 1 14 风机电容 Fan motor capacitor 1 15 压缩机电容 Compressor capacitor 1 16 端子板 Terminal board 1 17 电器架 Electrical holding plate 1 18 隔风立板 Partition plate 1 19 四通阀线圈 Four way valve loop 1 20 四通阀管路组件 Four way valve and capillary assembly 1 21 压缩机连接线 Compressor connection cord 1 22 压缩机接地线 Compressor grounding cord 1 23 电...

Страница 136: ...AUX air conditioner service manual 133 4 ASW H18B4 HS Indoor unit exploded picture ...

Страница 137: ...蒸发器左支架 Left plastic crutch for evaporator 1 8 蒸发器总成 Evaporator 1 9 橡胶轴承座 Rubber bearing 1 10 贯流风叶 indoor fan 1 11 底座组件 Chassis 1 12 挂板组件 Mounting plate 1 13 管路压攀 Pipe clamp 1 14 塑封电机 Indoor fan motor 1 15 电控盒 Electric controller box 1 16 变压器 Transformer 1 17 端子板 Terminal board 1 18 主控板 A Main PCB 1 19 步进电机组件 Step motor 1 20 电控盒盖 Cover for electric controller box 1 21 指示灯座 Indication lamp holder 1 ...

Страница 138: ...AUX air conditioner service manual 135 Outdoor unit exploded picture ...

Страница 139: ...r clamp 1 10 压缩机电容 Compressor capacitor 1 11 风机电容 Fan motor capacitor 1 12 压线盖 Wiring cover 1 13 电器架 Electrical holding plate 1 14 五位端子板 Terminal board 1 15 隔风立板组件 Partition plate 1 16 压缩机组件 Compressor 1 17 毛细管管路组件 Capillary assembly 1 18 四通阀管路组件 Four way valve and capillary assembly 1 19 截止阀组件 Dg4 Liquid valve 1 20 截止阀组件 Dg10 1 Gas valve 1 21 底盘组件 Chassis 1 22 十字槽凹穴六角头自攻螺钉和平垫圈组合件 Screw and cushi...

Страница 140: ...AUX air conditioner service manual 137 5 ASW H24B4 HS Indoor unit exploded picture ...

Страница 141: ...蒸发器左支架 Left plastic crutch for evaporator 1 8 蒸发器总成 Evaporator 1 9 橡胶轴承座 Rubber bearing 1 10 贯流风叶 Indoor fan 1 11 底座组件 Chassis 1 12 挂板组件 Mounting plate 1 13 管路压攀 Pipe clamp 1 14 塑封电机 Indoor fan motor 1 15 电控盒 Electric controller box 1 16 变压器 Transformer 1 17 端子板 Terminal board 1 18 主控板 A Main PCB 1 19 步进电机组件 Step motor 1 20 电控盒盖 Cover for electric controller box 1 21 指示灯座 Indication lamp holder 1 ...

Страница 142: ...AUX air conditioner service manual 139 Outdoor unit exploded picture ...

Страница 143: ...电容 Compressor capacitor 1 11 单级交流接触器 AC Connector 1 12 风机电容 Fan motor capacitor 1 13 压线盖 Wiring clamping cover 1 14 电器架 Electrical holding plate 1 15 五位端子板 Terminal board 1 16 隔风立板组件 Partition plate 1 17 压缩机组件 Compressor 1 18 毛细管管路组件 Capillary assembly 1 19 四通阀管路组件 Four way valve and capillary assembly 1 20 截止阀组件 Dg8 Liquid valve 1 21 截止阀组件 Dg13 Gas valve 1 22 底盘组件 Chassis 1 23 十字槽凹穴六角头自攻螺钉和平垫圈组合...

Страница 144: ...AUX air conditioner service manual 141 Section three Floor standing type air conditioner exploded pictures 1 ASF H24B4 FS Indoor unit exploded picture ...

Страница 145: ...g plate for Hodmadod shell 1 15 进风口导风圈 Air inlet guiding ring 1 16 压线座组件 Wiring clamping holder 1 17 压线盖 Wiring clamping cover 1 18 双联压线座组件 Double line clamping holder 1 19 双联压线盖 Double line clamping cover 1 20 过滤网组件 Filter 1 21 进风格栅总成 Grille assembly 1 22 中面板 Medium panel 1 23 显示面板组件 Indication panel 1 24 出风窗组件 Air outlet grille assembly 1 25 集水槽 Water collecting slot 1 26 保温盖板 Heat preservation...

Страница 146: ...AUX air conditioner service manual 143 Outdoor unit exploded picture ...

Страница 147: ...电容 Compressor capacitor 1 11 单级交流接触器 AC Connector 1 12 风机电容 Fan motor capacitor 1 13 压线盖 Wiring clamping cover 1 14 电器架 Electrical holding plate 1 15 五位端子板 Terminal board 1 16 隔风立板组件 Partition plate 1 17 压缩机组件 Compressor 1 18 毛细管管路组件 Capillary assembly 1 19 四通阀管路组件 Four way valve and capillary assembly 1 20 截止阀组件 Dg8 Liquid valve 1 21 截止阀组件 Dg13 Gas valve 1 22 底盘组件 Chassis 1 23 十字槽凹穴六角头自攻螺钉和平垫圈组合...

Страница 148: ...AUX air conditioner service manual 145 2 ASF H41A5 C Indoor unit exploded picture ...

Страница 149: ...AUX air conditioner service manual 146 ...

Страница 150: ...upporting assembly for evaporator 1 20 电加热组件 Electric heater assembly 1 21 电加热防护网罩 Defense net of Electric heater 1 22 蒸发器左安装板 Left fixing board for evaporator 1 23 蒸发器组件 Evaporator assembly 1 24 蒸发器上安装板 Upper fixing board for evaporator 1 25 蒸发器右安装板 Right fixing board for evaporator 1 26 左侧板组件 Left side plate 1 27 背板组件 Backside plate 1 28 蒸发器进液管组件 Liquid inlet tube of evaporator 1 29 出气支管 A Outle...

Страница 151: ...AUX air conditioner service manual 148 Outdoor unit exploded picture ...

Страница 152: ... Liquid valve Dg8 1 8 截止阀 Dg16 Gas valve Dg16 1 9 右侧板 Right side plate 1 10 电器盖板 Cover for electric wiring 1 11 四通阀组件 Four way valve assembly 1 12 电器架 Electrical holding plate 1 13 主控板 Controller 1 14 端子板 Terminal board 1 15 交流接触器 AC connector 1 16 风机电容 Fan motor capacitor 1 17 毛细管组件 Capillary assembly 1 18 冷凝器组件 Condenser assembly 1 19 顶盖板 Top cover plate 1 20 左侧支撑板 Left side panel supporting pla...

Страница 153: ...r supply 2 Tear the adhesive tape sticking to the panel 3 Hold the handles at both sides of the panel and push upward to have it slip out 4 Grasp the both sides of the panel and push upward 5 Turn the upper board by 90 and unload it from the connecting pole carefully 6 Take out the filter from the right and left side 7 Screw off the bolts on the electrical box cover and unload the box cover 8 Scre...

Страница 154: ...s loosed by chance remove it away 3 Water draining tank 1 Do No 1 and 2 firstly offload the water drainage soft tube 2 Offload the water draining tank from chassis and take out the electrical components 4 Evaporator 1 Do No 1 2 and 3 firstly 2 Offload the connecting pipe 3 Offload the tube clip at the rear 4 Screw off the bolts at the right and left side 5 Lift up the evaporator and draw it out fr...

Страница 155: ...s from the cover board and offload the board Screw the six fastening bolts from the front panel and offload the front panel 4 Screw off the fastening bolts from the electrical assembly 5 Screw off the eight fastening bolts and offload the outer frame 2 Outdoor fan motor 1 Do No 1 firstly 2 Screw off the fastenings screws clockwise 3 Offload the fan 4 Screw off the four fastening bolts and offload ...

Страница 156: ...firstly 2 Screw off the two fastening bolts 3 Weld off the inlet and outlet tube 4 Offload the condenser 4 Compressor 1 Do No 1 2 and 3 firstly 2 Open the cover of compressor release the connection cord 3 Weld off the inlet and outlet tube 4 Screw off the three screws 5 Offload the compressor 153 ...

Страница 157: ...esive tape sticking to the panel 4 Hold the handles at both sides of the panel and push upward to have it slip out 5 Grasp the both sides of the panel and push upward 6 Turn the upper board by 90 and unload it from the connecting pole carefully 7 Take out the filter from the right and left side 8 Screw off the bolts on the electrical box cover and unload the box cover 9 Screw off the six bolts on ...

Страница 158: ...ical box 4 If the main PCB board is loosed by chance remove it away 3 Water draining tank 1 Do No 1 and 2 firstly offload the water draining soft tube 2 Offload the water draining tank from the chassis and take out the electrical components 4 Evaporator 1 Do No 1 2 and 3 firstly 2 Offload the connecting pipe 3 Offload the tube clip at the rear 4 Screw off the bolts at the right and left side 5 Lif...

Страница 159: ...d offload the front panel 4 Screw off the fastening bolts from the electrical assembly panel 5 Screw off the eight fastening bolts and offload the outer frame 2 Fan motor 1 Do No 1 firstly 2 Screw off the fastening nut Rotate in clockwise direction 3 Offload the outdoor fan 4 Screw off the four fastening bolts from the electrical motor and offload the electrical motor 5 Screw off the two fastening...

Страница 160: ...art Operation Process Remark 4 Compressor 1 Do 1 2 3 firstly 2 Open the cover of the compressor and loosen the connecting cables 3 Weld off the inlet and outlet tubes of the compressor 4 Screw off three flat nuts 5 Offload the compressor 157 ...

Страница 161: ... you press the ON OFF button of the remote control and the Signal is well received 2 The compressor stops running but the indoor fan motor keeps working when it is at cooling mode with the indoor temperature higher than set temperature If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the in...

Страница 162: ...r fan motor is connected correctly to the connector CN8 b Check if the AC input voltage is correct c Check if the IC of indoor fan motor is connected correctly to the connector CN2 d Check if the capacity of indoor fan motor is connected correctly to the connector CN8 Trouble shooting procedure 159 ...

Страница 163: ...nditioner service manual 160 4 The Outdoor Unit Does Not Work Items a Check if the input voltage is correct b Check if the wire connection of the outdoor connecting terminal is correct Trouble shooting procedure ...

Страница 164: ...ge is correct b Check if the step motor controlling the up down movement firmly connected to Cn2 Trouble shooting procedure 6 Heating Mode Can Work But No Hot Air Blow Check if the set temperature is lower than the indoor temperature Check if the indoor PCB is connected to the terminal correctly 161 ...

Страница 165: ...AUX air conditioner service manual 7 Remote Control Can Not Work Trouble shooting procedure 8 The Failure Analysis of the Main Parts 162 ...

Страница 166: ...AUX air conditioner service manual 163 ...

Страница 167: ... the remote control and the signal is well received 2 The compressor stops running but the indoor fan motor keeps working when it is at cooling mode with the indoor temperature higher than set temperature If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the indoor fan speed to what you set ...

Страница 168: ... indoor fan motor is connected correctly to the connector CN8 Check if the AC input voltage is correct Check if the IC of indoor fan motor is connected correctly to the connector CN2 Check if the capacity of indoor fan motor is connected correctly to the connector CN8 Trouble shooting procedure ...

Страница 169: ...conditioner service manual 166 4 The Outdoor Unit Does Not Work Items Check if the input voltage is correct Check if the wire connection of the outdoor connecting terminal is correct Trouble shooting procedure ...

Страница 170: ...ge is correct Check if the step motor controlling the up down movement firmly connected to Cn2 Trouble shooting procedure 6 Heating Mode Can Work But No Hot Air Blow Check if the set temperature is lower than the indoor temperature Check if the indoor PCB is connected to the terminal correctly 167 ...

Страница 171: ...AUX air conditioner service manual 7 Remote Control Can Not Work Trouble shooting procedure 8 The Failure Analysis of the Main Parts 168 ...

Страница 172: ...AUX air conditioner service manual Section three electric wiring diagram of AUX air conditioner 1 7000 12000BTU Electric wiring diagram Indoor unit 169 ...

Страница 173: ...w Y G 5 Fan Motor Co mpressor C a pac it or Fa n Mo to r Pr otector O v er curr ent R e d Wh it e Black Black Black O rientation Brow n Valve Re d Ye l lo w To Indoor Unit Co mpre sso r Ca pa cit o r 1 Re d G reen Red Black 2 G reen Yellow Ye llo w Y G O v er curr ent Pr o tec tor Fan Motor Compr ess or Black Bl ack W h i t e R e d B ro w n Fa n Mo to r C a p a cito r Black 170 ...

Страница 174: ...ontrollingPanel Force Switch R 2 Y G Gree n Ye llow B 3 Re d Fro st Elim inating Plug Tran sform er Fan M ot or Step Mot or Ind ication panel Receiver panel Ind oor Un it Ele ct ric Cha rt Tem per ature Sens or For series o f 180 00 Bt u h Col d Wind E Type Bla ck Re d Gree n To Ou tdoo rUni t To Power 5 BR 4 B 3 Ye llow Y G 2 R BL L N Ind icat ion panel C ontrolli ngPanel Fan M oto r Tran sformer...

Страница 175: ... U nit Yellow G reen Yellow G reen Y G Br own BR BL Blue R R e d B Bla ck Compre ssor Ca pa cit or T e mp e r a t u r e Sensor Orie nta ti on B rown Fan Motor Cap acitor Re d Wh it e B lack O utdoo r U nitE l ectr ic Char t Co olW ind Type For Ser ies of 7 000 19 0 00 B t u h Compre s sor Fa n Motor To Indoor Uni t Yello w Red Red B lack Prot ec tor Ye llow Gre en Compres sor B Re d R Ca pa cit or...

Страница 176: ... Te mp e ra ture Sen sor BL B l ue Bl ac k BR Brow n R Red B N 5 4 3 2 L Frost Elimin at in g Plu g Cont ro llingPan el Fa n Mo t or Tran s former Ste pMot or Indoo rUni tElec tric Ch art C old Win d ET yp e For se ri es of 24000Bt u h To Ou tdoor Un it To O u tdoor Un it To Pow er R Red Y e l l o w 2 Gree n Y G N L BL B R 5 4 3 B Bl ac k Te mpe ra tu re S en sor Re ce ive rp an el Forc e Switc h ...

Страница 177: ... ed Ca pa cit or Compres sor Y G Ye l l ow Gre e n Bla ck Co ntact Co mpressor Red Brow n Bla ck Orie nt at ion Yel lo w Valv e G reen Yellow BL G reen To In doorU nit Bla ck El ectr icC hart To Indoor Un it Compres sor Ca pa cit or Heat Pump Type Fo r se ri es of 24 000Bt u h Out door Uni t Ye llow 2 1 R B Y G Black R e d Fa n Motor Ca pa cit or Brow n Wh it e Co mpress o r O v er curr ent Bla ck...

Страница 178: ...Black Br own Y e llow R B 1 2 Y G Black Bro wn Contact Fan motor Capa c itor White Re d Black R ed Com press o r Capa ci tor Heat Pump Type For ser ies o f 240 00Bt u h Out door Unit Electric Chart To Indoor U nit Brown BR Yell ow Bla ck To I ndoor Unit Red Green Blue B 2 1 R Y G BL 5 4 To Indoor Unit Compress or Fan M otor Fan Motor Compressor Contact Black Bro wn Yellow Overc urr ent Pro tec tor...

Страница 179: ... exterior structure and the working theory are indicated as the below pictures 1 air intake 2 oil tank 3 air discharge 4 fan and coupling entry 5 supporting base 6 electrical motor 7 gas ballast valve 8 oil filler plug 9 oil mark 10 oil drain plug Picture 6 1 The exterior structure of vacuum pump 1 air intake 2 filter 3 oil filler plug 4 oil mark 5 oil drain plug 6 rotary blade 7 spring 8 rotor 9 ...

Страница 180: ...ers into the pump The utmost pressure the single stage vacuum pump can tolerate is 5Pa and the utmost pressure the double lever rotary vacuum pump can tolerate is 0 01Pa The attention proceeding during the application of the vacuum pump The location site for the vacuum pump shall be dry ventilated and clean The blow off proof hose connects with the refrigerating system and vacuum shall be short an...

Страница 181: ... and the protrusion length of the copper pipes out from the pipe wrench is different because of the different pipe size The copper tube in bigger pipe size need longer expander and the copper tube in smaller pipe size need shorter expander For example to the copper tube with size of Ф8 the length of the expander shall be around 10mm Then screw down the nuts located on the two terminals of pipe wre...

Страница 182: ...knife Rotate the knife supplying knob in the clockwise direction so as to clamp the copper tube between the knife and the rolling wheel Then rotate the knife supplying knob and simultaneously rotate the tube cutting knife for cutting the copper tube The force shall be balanced and gently when rotating the knife supplying knob otherwise the copper tube may be distorted by rough extrusion After the ...

Страница 183: ...and acetylene which can produce the high temperature blaze The modern welding equipment adopt the liquefied petroleum gas as the fuel and the oxygen boosting liquefied gas welding machine as the apparatus for the tube joint welding work of the refrigerating system The gas welding equipment mainly consists of the gas tank the soft connecting pipe and the welding gun 8 Digital clamp meter Digital cl...

Страница 184: ...of the alternating current ACA firstly During measurement process put the electric cable to be measured into the clamp type mouth of the clamp meter and the reading panel of the meter will show the electric current value of the cable basing on the electromagnetic induction theory Measure the electric resistance Turn the on off switch to the proper measurement range Before measuring connect the two...

Страница 185: ... socket or receptacle Service voltage is too low to make the motor operate and then heat protector trips and cuts off electrical power Wire breakage in option switch Wire Breakage in Electrical Control Circuit resulted by improper operation poor quality or faults of refrigerating system and fan system for example fuse burns out may be resulted by faults of refrigerating system and fan system besid...

Страница 186: ... conditioner fails to work after switched on When function button pushed on air conditioner fails to work and creates no sound under this circumstance electrical power is not connected and all appliances connected with electrical power shall be checked as per following sequence Check whether there s current in electrical power wire Devices controlling the electrical power wire shall be checked for...

Страница 187: ...connection lugs cannot contact well Check connection lugs with universal meter Trip of low pressure switch When refrigerating system runs normally connection lugs of low voltage switch contact well When refrigerating system has trouble or refrigerant leaks pressure in the system will decrease below trip point low pressure switch will trip and cut off service power 3 Air conditioner shuts down shor...

Страница 188: ...r phase short circuit In some cases of short circuit motor still runs but runs slowly and current is excess large Contrast value of velocity current depends on how many windings have short circuited Remove outside wire of motor check resistance between C and S and resistance between C and R if resistance of terminal of certain winding is lower than normal value it shows that this winding has short...

Страница 189: ...ct points contact and break time and again and contact point surface will be burned and create carbon layer which stops electrical conduct Contact points are in the position of switch on but fail to connect with power Check method clean contact points with absolute alcohol and check the conduct condition of temperature controller with universal meter when it is in the position of switch on Tension...

Страница 190: ... what kind of diode positive and negative poles can be judged When you measure reverse resistance the end touched by red handle is positive pole the other end is negative pole Performance check for common triode Main parameters to be measured are Iceo and hFE In general actual measured resistance of germanium triode with middle small power shall be over 10 20KΩ resistance of silicon triode shall b...

Страница 191: ...which cause instable running of motor and loud noise Case 2 Indoor fan still runs when unit has been turned off and starts to run before it is turned on Product Model ASW H12A4 HS Phenomena indoor fan still runs when the unit has been turned off and starts to run before it is turned on Analysis according to the client when the unit is electrified the client turned on the power with remote controll...

Страница 192: ...densate will condense on the weld joints on the back of remote display panel circuit panel is musty and its insulation performance declines and welding joints leak so remote controller can t turn on the air conditioner or fails to work Clean circuit panel dry the panel with blower and then weld a layer of glass glue on the back of display panel remote controller can function properly AM channel of...

Страница 193: ...r and outdoor units stopped to work function light blinked and we pushed buttons air conditioner didn t respond we pulled the socket from the power receptacle and then tried to start up the air condition once again the unit worked for 30 minutes and then the same phenomena occurred again So we presumed that there s no problem in unit and probably outside communication interfered the proper functio...

Страница 194: ...door unit Experience Conclusion service personnel shall have some knowledge of circuit operation philosophy and find out the problems according to fault code We shall work under the principle of from simple to complicated way for example in this case when we adjusted phase sequence compressor run reversely after we turned on the air conditioner again So compressor wiring shall be changed and make ...

Страница 195: ...capacitor was disrupted Solution replace compressor capacitor Experience conclusion if compressor trips when air conditioner is turned on we shall check L and N are short circuited We shall further check indoor and outdoor components and find out whether they re short circuited Case 11 Outdoor fan capacitor fault Product Model ASF H24B4 DS Phenomena the air conditioner stops to work frequently and...

Страница 196: ...e Conclusion air conditioner fails to produce heat if power supply of indoor unit is regular outdoor fan and four way valve function well compressor still fails to work we shall check whether contactor pulls on loop resistance value is normal and then check if there s any problem in compressor Main problems in AC contactor may include loop burning out contacting points loosing contaminated and bur...

Страница 197: ...ense temperature will be higher on the contrary the result would be lower When load on air conditioner increases return gas pressure will be higher and evaporate temperature will be higher normal evaporate temperature shall fall within 5 to 7 Celsius Degree 2 Refrigerating system faults type Refrigerating system is blocked often in capillary and dry filter which are narrowest in the whole system N...

Страница 198: ... conditioner running for a long time welding or copper tube may leak little refrigerant out to ambience Refrigerant in split units also will slowly leak out and cause air conditioner failing to work properly There re two problems in refrigerant filling how to fill and how to decide filling volume so that refrigerant can meet design standard of air conditioner Different air conditioner has differen...

Страница 199: ...n that in system refrigerant will stop to flow into system Heat the bottle with warm water to promote pressure in bottle and then liquid refrigerant continues to flow into system The whole operation process is conducted when compressor is switched off High pressure filling method shall be used to fill relatively large air conditioner or air conditioner by using liquid reservoir To control refriger...

Страница 200: ...oticeable and detailed volume shall be analyzed by integrating various factors For example evaporation pressure of an air conditioner is lower than 0 5MPa but running current of compressor has reached rated value In order to use compressor safely evaporating pressure has to be set below 0 5MPa though under this circumference refrigerating capacity of air conditioner has been lowered Adding of refr...

Страница 201: ...from liquid tube When cleaning has finished refrigerating system shall be purged with nitrogen and dried In the foregoing sketch parts in broken line pane shall be disconnected from line as the system is being dried Blinds shall be installed on the flange disk of liquid squeeze line and liquid suction line to dry the system quickly blow heat wind outside the refrigerating line when system is being...

Страница 202: ...e can judge that slide of reverse valve can t be moved and can t change the flow direction of refrigerant when the unit made in heating operation Fail to function in both cooling and heating operations There re two possibilities discharge capacity of compressor is not sufficient or four way valve itself is of poor quality Firstly judge the quality and discharge capacity of compressor remove four w...

Страница 203: ...the old one If unavailable main performances and characteristics of the new compressor including nominal cooling capacity same work condition power and capacity voltage phase number frequency and current of motor and capacity of capacitor shall be same and similar as the old one Efficiency of new compressor shall be not lower than the old one Power voltage shall be based on the demand of client Re...

Страница 204: ...rature is excess high often and so refrigerant produces particles which sticks to valve structure and damages tightness of valve 3 slightly liquid hammering often happens in the system due to the impact of liquid valve blades are deformed or damaged or abraded severely so tightness of valve structure is decreased valve plate has been liquid hammered severely gas valve is damaged and valve blades a...

Страница 205: ... clash with each other and create noise generally exhaust tube will clash with pump shell pistol clashes with valve plate and stator abrades with rotator In addition magnetic noise may be created by motor Section 4 Cases of Refrigerating System Troubleshooting Case 1 Capillary of outdoor unit is blocked by ice Unit Model ASW 12A4 H Phenomena Cooling fault Cause Analysis we went to client s home to...

Страница 206: ...outer to inner following aspects shall be considered 1 Check whether air conditioner works well 2 Check heat exchange condition of outdoor and indoor units consider the interference of surrounding appliances 3 Outdoor and indoor fan velocity will impact heat exchange 4 Measure all parameters and judge if they re normal and analyze reasons 5 Consider impact of extended tube on the performance of ai...

Страница 207: ...ditioner is turned out balanced pressure closes to the saturated pressure in ambient temperature compressor discharge temperature and shell temperature rise If current is higher than normal value and air conditioner starts and stops frequently fault may not be in the compressor We should consider symptoms comprehensively Generally when we fix an air conditioner we should check current and maintena...

Страница 208: ...ondition carefully generally analyze fault according to the frosted position and area Refrigerant lack will cause frost on liquid tube upper part of evaporator will be frozen Case 8 Welds of high pressure valve leaked Unit Model ASW H12A4 Phenomena Poor cooling efficiency and indoor unit leaked water Cause Analysis checked air conditioner and found that air conditioner failed to work well and the ...

Страница 209: ...SF H24B4 Phenomena Air conditioner produced heat once it was started up Cause Analysis once we turned on the air conditioner it worked in heating mode It was a new appliance so we presumed that four way valve had some problems We checked circuit and it was connected correctly coil resistance of four way valve was normal and conducted electricity well so four way valve was blocked because it was a ...

Страница 210: ...caused by four way valve blowby or poor seal of back valve Switched on and off four way valve valve could operate tightly and sound of gas discharge was normal Released refrigerant vacuumed the system again added refrigerant and started the air conditioner again it still couldn t work properly We checked four way valve temperature of its four copper tubes was normal so we were sure that seal of si...

Страница 211: ...it and it was frosted Solution clean indoor evaporator wind volume became normal air conditioners could produce cool properly Experience Conclusion in some special places for example garment factories hair salon cotton mill and other places with more dirt as well as public In such case poor cooling efficiency was generally caused by discharge fault because the system was blocked by dirt Firstly we...

Страница 212: ...nditioner carefully and shouldn t add refrigerant or change outdoor unit without careful consideration Generally it is bending of connection line and unsmooth circulation of system that result in fault of air conditioner Case 18 Pressure switch was broken Unit Model ASF H41A5 A Phenomena Couldn t produce cooling air Cause Analysis Turned on air conditioner for less than 1 minute run indicator and ...

Страница 213: ...ed to evacuate air in the system fully during installation Unit Model ASW 18A4 TB Phenomena Tripped frequently Cause Analysis generally in summer air conditioner may have problem in heat discharge and voltage But this air conditioner had been installed for only one month odd It was installed on the roof so heat exchange efficiency was not so good but it shouldn t trip so frequently We checked the ...

Страница 214: ...position 32M and capillary 100S Air inlet was obstructed because of dirt filter 2 Common noises of outdoor unit Loud noise from compressor Tube vibrating and touching outdoor casing Whistle from blades blade breakage Loud sound from outdoor fan motor replace 70W 930rmp YDK48 6 354 3UF with YDK48 6A 354 4UF Outdoor blade touching outdoor casing condenser or steel grille Sympathetic vibration of out...

Страница 215: ...umed that it was caused by blades Maintenance personnel replaced blades of the same model but noise remained the same Replaced the motor with an YDK30 8 155 motor produced by Jiangsu Weiteli Co replaced capacitor with a new one of 3 5μF YDK30 8A noise cleared off We analyzed faulty motor and found that amplitude and frequency produced by running motor vibrated with unit shell and wind system and i...

Страница 216: ...ere s noise in outdoor unit attention should be paid to decide what kind of noise it is friction noise or resonance vibration noise or magnetic noise and then deal with it accordingly Case 5 Fix screws of fan blade loosed Unit Model ASW 12A4 M Phenomena Indoor unit noise Cause Analysis air conditioner was newly installed and it didn t make noise during test running Noise occurred one month later M...

Страница 217: ...y of bearings made them collide with each other and made noise We replaced outdoor fan motor and abnormal sound was eliminated Solution replaced outdoor fan motor Experience Conclusion small fault is likely to be neglected generally people believe that vibration of outdoor unit is caused by unbalance of fan blades but in fact improper clearance of air outlet grille also can cause noise So maintena...

Страница 218: ... ASW H07B4 Y Phenomena Outdoor unit made loud noise Cause Analysis according to client outdoor unit made loud noise We checked outdoor unit and it was installed properly its shell was also quite normal Touched the cover of outdoor unit noise was reduced but not eliminated and outdoor grille made slight quaver Compacted or pulled out this grille noise was eliminated Checked carefully and found that...

Страница 219: ...ed with dirt and ice or blocked when the tube is welded Decide the fault position through listening visual check and measuring temperature difference and then deal with the faults accordingly Case 13 Noise caused by improper installation Unit Model ASW H12A4 ED Phenomena Abnormal noise could be heard after the air conditioner was turned on and run for some time Cause Analysis according to client c...

Страница 220: ...ence Conclusion special faults shall be handled with special methods Section two maintenance cases for water leakage of air conditioner There are various causes for air conditioner water leakage we should check carefully to find leak source and deal with the problems accordingly In general water leak can be analyzed from following aspects Air supply system Filter is blocked by dirt In moisture env...

Страница 221: ...l instruct client to clean filter and maintain air conditioner regularly In addition it is difficult to distinguish frost of evaporator and frost due to refrigerant lack of system If system lacks refrigerant evaporator will be frosted generally on the inlet if filter is blocked air returned tube low pressure tube of system will be frosted Case 2 Indoor unit leaked water in low wind mode Unit Model...

Страница 222: ...er leaks from it Top of right side of water collection channel has a small aperture because of faulty injection mould and water leaks form it Insulation sponge on the outlet of air blades is not appropriate affixed or insulation sponge has fall off so that condensate drops from the outlet Design of air blades is unreasonable and causes condensate dropping from it Solution In 1 and 2 cases aperture...

Страница 223: ...t were of poor insulation efficiency which caused leak of condensate Solution Re wrapped connection tube joints with insulation sleeves the more belt is wrapped the better insulation efficiency will be Experience Conclusion insulation sleeve and tube are of same length when air conditioner leaves the factory so before wrapping connection tube power wire and water drain line and maintenance personn...

Страница 224: ...tion sponge shall be wrapped properly Case 8 Water drain tube was broken and leaked water Unit Model ASW H09A4 M Phenomena Turned on air conditioner for a while indoor unit discharged a large amount of water but outdoor drain tube didn t discharge condensate water Cause Analysis the main reason of leakage was that water drain tube connecting indoor unit and water collection pan as well as drain tu...

Страница 225: ...e tiny beads inside air duct and obvious beads c on fan blades Case 10 Evaporator was half blocked and leaked water Unit Model ASW 12A4 HSFY Phenomena Air conditioner leaked water after running for some time Cause Analysis according to client air conditioner leaked water after running for some time We turned on the air conditioner and it run for 20 minutes water started to be blown form indoor uni...

Страница 226: ...tor is uneven same fault will occur We can handle the problem of uneven temperature on the surface of evaporator by increasing or decreasing refrigerant according to air returned pressure of low pressure valve and ambient temperature If temperature difference on evaporator exceeds 9 Celsius Degree evaporator is blocked partly so it shall be replaced with a new one Case 12 Flush air conditioner lea...

Страница 227: ... E6 The fault may be the three phases are in reverse When the outdoor panel available over current protection System turns off the panel displays E7 When the outdoor panel available the fault of the temperature sensor to the exhaust pipe of the compressor System doesn t turns off the panel displays E8 The fault may be the unsteadiness of the joint plug or the fault of the outdoor computer board Wh...

Страница 228: ...eating long time anti cooling wind protection The running indication light on the panel is twinkling 0 5 0 5 the others are invariable Over current protection The running light and 29 indication light on the panel are twinkling and simultaneously last for 0 5 0 5 second the system turns off 6 Low pressure protection The running light and 18 indication light on the panel are twinkling and simultane...

Страница 229: ...rosting indication light on the panel is twinkling 0 5 0 5 the other are invariable When the indoor tube temperature available the indoor refrigeration anti freezing protection The running light and cooling light on the panel are twinkling 0 5 0 5 the other are invariable When the indoor tube temperature available the indoor heating overheating protection The running light and heating light on the...

Страница 230: ...When outdoor panel available the phase failure protection of the outdoor three phases System turns off and the LED digital screen of the operation panel displays E6 The fault may be three phases in reverse connection When outdoor panel available over current protection System turns off and the LED digital screen of the operation panel displays E7 When outdoor panel available the fault of the exhau...

Страница 231: ...y 8 seconds 2 Copper temp sensor is abnormal indoor Timing light twinkles 2 times in every 8 seconds 3 Copper temp sensor is abnormal outdoor Timing light twinkles 1 times in every 1seconds 4 10 EA EC EM EY EZ EAA EAD EL HS1 HSZ HL1 HLZ P P1 ZZ CZ digital display series air conditioner faults Fault source Display mode The display precedence level PG motor feedback is abnormal E4 1 Plastic temp sen...

Страница 232: ...em turns off Plastic temp sensor is abnormal Timing light twinkles 2 times in every 8 seconds 3 System turns off Copper temp sensor is abnormal outdoor Timing light twinkles 8 times in every 8 seconds 4 System doesn t turn off Digital tube displays Fault source Display mode The display precedence level Appearance PG motor feedback is abnormal E1 2 System turns off Plastic temp sensor is abnormal E...

Страница 233: ...1 2 P IP E C N 6 1 2 E X IT C N 7 5 V 5 1 k R 3 9 5 1 k R 1 1 5 1 k R 1 2 1 0 4 C 4 1 0 4 C 5 1 0 4 C 6 R 8 R 7 R 6 R 1 4 R 1 3 R 1 5 5 V A 0 1 A 1 2 A 2 3 G N D 4 S D A 5 S C L 6 W P 7 V C C 8 A T 2 4 C 0 2 IC 3 10K R4 10K R5 5 V 330 R31 330 R30 330 R32 B T 1 3 6 IC 7 1 5 U 4 5 0 V F A C 1 0 1 1 2 W R 1 0 1 5 1 0 1 2 W R 1 0 2 0 1 U 2 7 5 V C R V 2 M C 3 0 2 1 IC 6 5 V 5 1 0 R 3 8 1 3 5 R O O M _...

Страница 234: ...C9 102 12 CRV2 0 1U 275V R103 100 1 2w 1X7 470 1X4 1N4007 N L PIPE ROOM H L HH DJR COMP Room Fan Valve Out Fan ABC EFG D COM1 COM2 COM3 R 5 µç ÓÈÈ Æ Ñ ú ÍâÅÌ ÄÚÅÌ ÊÒÄÚ ýÁã À Ò Ø 164 SCK 164 SDA EEPROM SDA EEPROM SCL COM1 COM2 COM3 Ç Á ß µÍ R31 22K R32 22K R36 22K R37 22K R48 4 7K R47 4 7K R43 4 7K R40 4 7K 5 C10 102 C16 102 5 C13 104 D8 IN4148 R202 510 1 2W O1 MC3021 C10 104 D81N4007 D7 1N4007 D6 ...

Страница 235: ... Q7 9014 R5 1K R6 1K R36 1K R37 1K 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 N 2003 C14 104 5 R21 10K R2010K 5 R29 10K R28 R25 10K R26 R24 R27 10K 5 R41 10K R34 1K R42 10K SW A 1 B 2 Q0 3 Q1 4 Q2 5 Q3 6 7 CP 8 MR 9 Q4 10 Q5 11 Q6 12 Q7 13 14 IC5 74LS164 1 2 3 4 5 6 7 8 9 10 11 12 13 CN4 XH 13 R45 10K 5 C9 102 O1 P521 1 E101 470U 25V R102 3W 11K R101 3W 11K D101 IN4007 Z101 12V 1 2W R104 2K CRV2 0 1U ...

Страница 236: ...10 10K VCC SCL SDA 1 L 1 N 12V 1 DJR 1 COMP 1 JHQ BUZZER 4K R27 100 12V NC NC NC NC NC NC ýÁã ì â ºìÍâ ÓÊÕ ç ú À ÄÚ ç ú R15 22K R16 22K R17 22K R18 22K R19 10K R20 10K R21 10K R22 10K 4WVO R35 20K R34 10K VCC 1 2 CN2 EXIT C3 104 VCC 1 2 CN3 ROOM C5 104 VCC 1 2 CN4 PIPE C6 104 VCC E2ROM_SDA E2ROM_SLCK BUZZER M H L EXIT HGQ ROOM PIPE 595_DA SLP 595_SH TIMER 595_CLK RUN DJR YSJ NFJ FLZ 4TF WFJ R33 22...

Страница 237: ...9 mmHg 1 333 102 1 36 10 3 1 316 10 3 1 1 93285 106 Psi 0 68948 104 7 0327 10 2 6 80517 10 2 51 711 1 2 Conversion of Energy Units 1kJ 1000J 1kcal 1000cal 1kcal 4 1868kJ 1BTU 0 252kcal 1 055kJ 1kcal 3 968BTU 1kJ 0 9478BTU 1W 0 86kcal h 1HP 745 7W 1 USRT 3 024kcal h 3576W 1 Japan RT 3320kcal h 3860W 1 Horsepower 735 499W simplified to 735W 1UKHorsepower 745 7W 1kcal h 3 9683Btu simplified to 4Btu 1...

Страница 238: ...bstitute Refrigerant Property R 22 R 410A R 407C R 22 R32 R125 R32 R125 R134a Refrigerant Composition Mass Ratio 100 50 50 23 25 52 ODP 0 05 0 0 Environme nt Protection GWP 100Y 1730 1700 1530 Toxicity None None None Safety Combustibility Incombustible Incombustible Incombustible Azeotropic Prop Subazeotropic Subazeotropic Boil Temp 40 8 52 7 43 7 Thermo ph ysical Properties Critical Temp 96 1 72 ...

Страница 239: ...AUX air conditioner service manual 236 Refrigeration Amount 100 141 101 COP 100 92 5 97 Lubricate Type Mineral Oil POE POE Lubricate Inter solubility Good Fair Fair ...

Страница 240: ......

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