SM FAF 060 VERSION 1 PRE
Contents
1. YSK 105W 4 Band J HUATE Indoor Fan Fotor Output Power x Fan quantity Speed Hi Mi Lo 1380 1100 970 3 j indoor Col Indoor Air Flow Noise leve H MiLo dB External Static Pressure 90 Indoor Unit Ambient Temperature Range Cooling Heating Wireless Remote Controller i YKR H 009E Qty per 20 amp 40 amp 40HQ Only For Reference 20 41 43 3 Service Manual gt 3 PRODUCT DATA SHEET 2 2 Outdoor Unit Specifications moa 060 Ht Power Supply 2 380 415 50 3 7800 205 Btu h 54600 kW 16 0 Heating ay 17 5 JT170G P8Y1 SCROLL DAIKIN 15900 4500 Cooling Capacity Model Type Brand Capacity Compressor 2 RLA ocked Rotor Amp LRA 59 4 UP18WA162 46G Capacitor 1500 YDK68 6 359 R60020200600 WEITELI 68 2 3 860 r 0 5 Model code Brand OutdoorFan Motor Capacitor 2 a Number Of Row Tube Pitch a x Row Pitch b c Fin Pitch Fin Material 22 19 05 3 3 pae Hydrophilic aluminum fin mm 07 94 Inner grooved 750118838 1 38 85 Length x Height x Width mm Heat Exchanging Area 4 4 2 h c Q U g 5 5 2 2 O D x2. TI m 3 2 gt a 2 3 5 lt v M m h 5200 Dimension W 945x340x1255 H 1090543051370 101 115 Refrigerant R410A Upto 5 meters Design Pressure 4 15 9 52 19 05 iquid Side Gas Side Max Length Max Height Operation Temperature Range Refrigerant Piping C1 ojo 16 32 Ambient Temp Cooling Heating C 5 49 10 24 51313 313 2151313 Signal Wiring Stuffing Quantity 20 40 40H 20 42 44 4 Service Manual Airwell RATING ONDITIONS 3 RATING CONDITIONS 3 1 Rating Conditions Power supply 380 415V 3N 50Hz Voltage 320 420V Outdoor b 49 C Low ambient cooling function ambient temperature 5 Service Manual OUTLINE DIMENSIONS Airwell 4 OUTLINE DIMENSIONS 4 1 FAF 060 N11 4 2 YIFA 060 H13 SSe 180 585 6 Service Manual Airwell PERFORMANCE DATA 5 PERFORMANCE DATA 5 1 Amendment coefficient of cooling capacity under different indoor outdoor DB and WB temperature Indoor air inlet Outdoor air inlet DB temperature C temperature C we z 3 s 4 4 Actual cooling capacity calculation Actual cooling capacity amendment coefficient of cooling capacity x nominal cooling capacity Nominal cooling capacity could be found from the performance parameters list Amendment coefficient of cooling capacity could be found from table abov
3. a a s cule n ul dE T AM Part Description Part Code Number Top cover board A11321009000010 Motor bracket assembl A163210040001 17 Big panel A11321005000047 Net for big panel A16420020000009 5 A16444008000025 A11321005000048 A16430001000223 A11321025000034 A16324004000154 9 1 A16324004000022 2 A16426016000592 3 A16426016000593 N u A16321004000077 A16438001000038 A16325004000814 A16442024000005 2 2 1 2 1 1 1 1 1 1 1 1 1 A16430022000002 A 1325004000815 00 GB N A11225509000067 A11330011000030 A16325004000796 A11321007000088 A11321031000016 A16441004000052 A16441004000049 1 A16421005000262 A16442023000010 1 A16322004000107 A16422001000019 A16430009000029 A11330010000047 19 4 A16427001000033 A16422005000005 A16430007000048 1 O gt P N cO Sie N 1 N 1 EE p p EE CHE LX sss S 1 Ld jj 5 pgs pops A16442024000000 1 LT LX E _ t INN L t 5 S 1 EE NE Lu MENS asss 5 16430007000101 1643000700
4. of cranage pipe No Y Yes Drip tray is leakage E No Y Drainage pump and float switch Replace float switch malfunction Only for Cassette and drainage pump No Yes Drainage pipe blocked Dredge the drainage pipe 7 11 5 Non aircon failure 11 5 1 Poor cooling or heating efficiency but it is not failure During the process of using air conditioner some phenomenon seems to be malfunction but actually not Thus when cooling effect does not achieve to your expectation the following factors have to be ruled out Phenomenon Causing explanation When the outdoor temperature is higher more heat penetrates into indoor space which increases the cooling load of AC If there are too many individuals for example High outside temperature and too many indoor individuals even air conditioner runs at ull load operation the wind blowing out from air outlet is cold but it is difficult to lower the this will running out of half of AC cooling capacity and the unit s cooling indoor temperature this is not malfunction capacity this time is far from enough indoor temperature is hard to lower down It is normal phenomenon and do not mean useless of AC 10 individuals and every individual gives off 120W totally 48 Service Manual TRUBLESHOOTING It is not malfunction need to find out the causing if the causing is the electricity net Power voltage is too low causing AC une
5. 19 35 16 18 33 43 17 31 80 16 30 26 15 28 80 14 2 42 13 26 12 12 24 88 14 23 13 60 13 01 12 45 11 91 11 40 10 92 8 817 7 164 T 8 9 0 a 1 6 NE MEE TENE NEN s EN HEN NES NEN EN HN MEE EN 10 11 12 13 14 15 16 17 18 19 20 6 092 5 854 5 626 5 408 5 199 5 000 4 811 4 630 4 456 4 291 4 132 3 980 3 835 3 695 3 562 3 434 3 311 22 32 3 081 2 972 2 869 2 69 2 673 2 581 2 493 2 409 2 307 2 249 2 174 2 102 2 032 1 965 1 901 1 839 1 780 1 722 1 667 1 614 1 563 1 724 1 466 23 24 25 26 27 28 29 30 31 33 34 35 72 37 38 39 40 41 42 43 44 45 46 47 48 49 50 72 52 53 54 55 56 57 58 59 3 193 Average KQ Tx C Average KQ Tx C Average KQ d 1 421 1 376 1 334 1 293 1 254 1 215 1 179 1 143 1 109 1 076 1 044 1 013 0 9837 0 9550 0 9273 0 9005 0 8496 0 8254 0 8021 0 779 0 758 0 737 0 696 0 677 0 658 0 641 0 623 0 606 0 590 0 574 0 559 0 544 0 530 62 9 87 e 92 m 97 0 502 39 089 39 999 51 Manual ruwell 11 8 Exhaust temperature sensor 6 339K 3954 20 19 18 317 16 15 14 13 12 11 10 18 1 9 Compressor freezing oil brand and standard oil charge Outdoor model TE 66 08 Exhaust temperature sensor R80 6 339KO 1 Bran
6. Residential AIFWELL m ELECTRA m JOHNSON FLOOR CEILING FAF 060 INDOR UNIT OUTDOR UNIT Type Moe AWSI YIFA060 H13 Floor Ceiling 3 FAF 060 N11 R410A HEAT PUMP MAY 2013 SM FAF 060 1 A 1GB Version 1 TABLE OF CONTENTS T INTRODUC umn A E s sqan 2 2 PRODUGSTDAIASIEET uuu u 3 3 RATING CONDITIONS uuu 5 4 OUTLINE DIMENSIONS sziriai rakeiden 6 PERFORMANCE u csc 7 ELEOTRIGALDATA u ct 8 7 WIRING DIAGRAMS amp ELECTRICAL CONNECTIONS 11 8 REFRIGERATION DIAGRAMS uuu cdi aus ccu SE 13 9 TUBING GONNEG TIONS cmt 14 10 CONTROLE pl 15 Tis TROUBEESFHOOQTING uuu l e 25 12 EXPLODED VIEWS AND SPARE PARTS LISTS U U 54 1 Service Manual irwell INTRODUCTION 1 INTRODUCTION 1 1 General The FAF Floor Ceiling series is a high level technology product for residential and commercial application offering comfort low noise operation and energy efficient 1 2 Main Features Suspended ceiling design installation under ceiling saving room space it is very suitable for family or offices Convenient and flexible for indoor unit installation can be installed under the ceiling or on the floor Auto two operation modes multi fan speed makes you fe
7. Low voltage cable Notice Compressor of AL C H 36 5R1 U AL C H 48 5R1 U AL C H 60 5R1 U is 3 phase power supply and the outdoor PCB with phase sequence protection Please be careful with wire connection sure don t make the drainage pipe flat while bundled 12 Service Manual Airuell WIRING DIAGRAMS amp ELECTRICAL CONNECTIONS 7 WIRING DIAGRAMS amp ELECTRICAL CONNECTIONS 7 1 060 N11 L4 Capacitor Capacitor Pump Fan 1 Fan 7 er i fud Sines oR ilu Flectric Heal r panel ks BN Evap Environment step M Motor Panel Sensor Sensor tL ju Ola I 1 Nate Dotted Ine part In the frame ls used for see ios eel eg some mode ga ere gre One The SW1SW refer to Deflnltlan of cade To power supply Communication switches Electric connection diagram indoor unit 6660 13 Service Manual Airwell WIRING DIAGRAMS amp ELECTRICAL CONNECTIONS 7 2 YIFA 060 H13 Four road valve Fan motor pis ranhrase heats T Fan motor TN LED 1 Use for YP GYE Communication 2 LED 2 20 Trouble amp Note Dotted Ine part In the I s Tt P BN 81 du m Swift ALME UIN e vap ti o power supply Communication WE 9141 61660170101 Electric connection diagram outdoor unit 8 Lw 81 frame 15 used pressure pressure L for some mode 7 3 Indoor Un
8. cm3 AL EL 60 5R1 U JT170G P8Y1 DAPHNE FVC68D 1500 52 Service Manual Airwell EXPLODED VIEWS AND SPARE PARTS LISTS 12 EXPLODED VIEWS AND SPARE PARTS LISTS 12 1 Indoor Unit No f Description Part code number Quantity 6 The electricity controls abox a1ea21038000009 1 _ EA __9_ Terminal board Ate4270000008 1 A16422005000017 1 1 1 1 measaoozooooa 1 coniugalem assem U U aseaaaooso00004 1 Treis side covers 53 Service Manual Z k yu ef EXPLODED VIEWS AND SPARE PARTS LISTS Indoor Unit Part Description Part code number Quantity Left suspend plate A16421001000029 Bracket board welding assembly of 1 left hand A16321006000005 21 22 23 24 25 26 right hand A16321006000006 The Right side covers 3 4 35 36 37 46 3 3 4 41 Bearing top cover A16421002000219 1 42 Rubberbearngs 7 4A16432016000083 1 43 Displayboard 7 4A11222028000833 1 44 _ Display board cover A16420017000002 1 45 Frontpanel 7 4A16420003000017 1 47 Bearing base 77 1642100200019 1 16 18 19 20 27 28 29 30 31 32 3 24 4 2 29 32 94 35 8 9 0 B 54 Service Manual 12 2 Outdoor Unit EXPLODED VIEWS AND SPARE PARTS LISTS AMT CLE
9. Intelligent defrosting time lasts for 4 min if TE20 C and in 10s TE increased by 2 C or more Intelligent defrosting time lasts for 5min if TE25 C Defrosting time sequence a When the defrosting begins the compressor indoor fan outdoor fan all stop 30s later 4 way valve will be closed as well then 15s later the compressor starts and enters into defrosting operation b When quit from defrosting the compressor stops and outdoor fan starts 55s later four ways valve will be open and 5s later the compressor starts and air conditioner returns to normal operation indoor fan operates as anti freezing wind mode Sensor failure a b d e Indoor room temperature TA When TA is abnormal the unit stops to run protection failure code will display see the failure indication table failure code will disappear when TA returns to normal Indoor coil temperature TE When is abnormal failure code will display see the failure indication table failure code will disappear when TE returns to normal Outdoor coil temperature TW When in cooling or dehumidifying mode doesn t check TW When in heating mode after the unit starts outdoor coil temperature will be checked if TW is abnormal unit normal starting is permitted and defrosting automatically be set as intelligent failure code will display see the failure indication table failure code disappears when TW return to normal and heating defrostin
10. TE264 C and lasts for 10s the compressor stops and indoor unit fan speed keep unchanged c When TE lt 52 C unit quits this protection after the compressor meets 3 min protection unit returns to normal operation d This function is only valid when heating Cooling high pressure protection a This protection is to prevent outdoor motor failure which leads to compressor exhaust pressure over using range to cause compressor damage b When outdoor coil temperature gt 64 C and lasts for over 20s the compressor stops running when the coil temperature lt 52 degree and the 3 min compressor protection is satisfied the compressor returns to normal running c Once high pressure protection appears 3 times in half an hour the whole unit stops running and indoor unit alarms high pressure protection Shortage of refrigerant or four valves failure protection a This protection is to prevent refrigerant shortage of system and four ways valve failure to turn direction when heating both of which lead to cycle liquid be greatly produced which damage the compressor 1 Make a record of indoor coil temperature T1 before compressor starts when the compressor keeps running for 6 hours indoor temperature is T2 and if T1 T2 gt 5 C 2 The compressor keeps running for 6 min then room temperature indoor coil temperature lt 5 C b Heating operation Satisfy the following two conditions and lasts for 10s 1 Make a record of indoor
11. as connection line of indoor and outdoor The earth line is neither allowed to connect to gas pipe water pipe or circuitry of telephone or Notice lighting rod nor to the earth line of other devices e Please fix power supply cord and connection wires of indoor and outdoor in accordance with circuit diagram e Fix the cords into terminal boards properly and safely with cable fixation tools to avoid Others any danger caused by the power cord under outside forces e After fixation use bind tape affixed to bind wires avoiding any collision with other components like compressor copper pipes etc 10 1 Manual Airwell ELECTRICAL DATA 6 2 Recommendation of power supply cord Table 1 power supply 380V 3N 50Hz Cooling capacity Power supply cord Power supply cord Connection Power supply spec Kw of indoor unit of outdoor unit wires Outdoor unit 380 415V 3N 50Hz Indoor unit 220 240V 50Hz Indoor and outdoor FAF 060 input separately NOTICE Above mentioned power supply cord is the cable which connect air on off of indoor to indoor outdoor unit Power supply cord of indoor outdoor unit is the power supply cable connecting indoor and outdoor unit The section area of power supply cord core is minimized one To avoid voltage pressure dropped down while longer power supply cord needed the section area should be enlarged for one gauge The connection wires to indoor unit
12. be decreased even lead to compressor broken We suggest you to use the shortest connection pipe according to the pipe length parameter in this manual 9 Service Manual Airwell ELECTRICAL DATA 6 ELECTRICAL DATA 6 1 Electrical connection precaution Installation of electric items must be carried out by qualified professional technicians An isolated circuitry should be fixed with whole pole disconnection devices which is with at least 3mm gap of touch point Power supply and indoor to outdoor connection should use special cable Providing the necessity of installation or replacement the professional technician of service store appointed by manufacturer must be required while self operation users is prohibited In case of any electric shock accident the creepage protection devices power supply on off and breaker must be required with power supply Warning The specification of fuse for single phase control board is F5AL 250V while for 3 phase control board both indoor and outdoor unit it is F3 15AL 250 Machine must be earthed surely If not it ll be probably caused creepage Equivalent 227IEC53 RVV type of power cord of GB5023 or the excelled must be required The cords should be fixed properly against broken while ends joints of cords is under outside force Improper connection or fixation will cause disaster like fire etc Equivalent 245IEC57 YZW type of power cord of GB5023 or the excelled must be used
13. temperature below definite temperature and lasts for 2 min 2 The compressor running time surpass defrosting internal time defrosting internal time recalculates when power off by accident or remote controller the compressor keeps running continuously for over 5 min When defrosting begins the compressor indoor fan outdoor fan will stop 15s later 4 way valve will be closed and 5 more seconds later the compressor enters into defrosting operation b Ending defrosting condition one of the following conditions is satisfied defrosting ends 1 Outdoor coil temperature 212 C 2 Defrosting time up to 10 min 3 Mode switch or turning off the unit by remote controller defrosting exits immediately 23 Manual Airwell CONTROL SYSTEM After the defrosting is finished outdoor fan will start 10 s later the compressor will stop and 15 s later four ways valve will open 5 more seconds later the compressor will start the unit returns to normal heating operation and indoor fan runs as anti cold wind mode c Defrosting entering temperature and heating internal time will auto adjusted by outdoor defrosting time d Defrosting time sequence drawing Acorrdinq to anti cold wind to control DN ns ON d E fan 115 Acorrding to anti cold motor wind to control Indoor fan ae motor Defrosting time Intelligent defrosting function only in the case of outdoor coil i
14. unit d When long distance switch is on and unit starts in auto mode mode can be changed by remote controller or wired controller 21 Service Manual Airwell CONTROL SYSTEM Self check operation Press the forced switch at the same time power on the buzzer sounds twice and enters into self check operation process Electric heating motion indoor fan operates at high speed operation lamp light for 1s timing lamp light for 1s power lamp light for 1s indoor fan runs at low speed and medium speed both for 1s compressor motion 1s four ways valve motion 1s outdoor motion 1s buzzer sounds once then close and unit enters into ready state ending self check 10 2 Control function Anti freezing protection a The protection is to prevent indoor evaporator from frosting in large area b When indoor coil temperature lt 2 and lasts for 10s in addition the compressor keeps running for 5 min or longer the compressor and outdoor fan stops running indoor fan runs at setting speed c If indoor coil temperature 2 7 C unit quits the protection once the compressor meets 3 min protection the unit restart d This function is valid only when cooling or dehumidifying Anti over heating protection a This protection is to avoid wind temperature is too high in heating to cause user feel uncomfortable b When indoor coil temperature TE257 C and lasts for 10s outdoor unit stops when indoor coil temperature
15. 0157 19 9 Electric components box A11321015000013 D m 22 CO 55 Service Manual
16. ING Heating high pressure protection Heating high pressure protection 3a4 Service Manual rirwell TRUBLESHOOTING Cooling low pressure protection Cooling low pressure protection No if cut off valve is open Open the cut off valve Yes Yes if the indoor air blade is broken Change the air blade the outdoor motor is running Yes he connection of air blade ond ia Tighten or change axis cap Yes If the filter is blocked Clean the fitter i Yes there is unreasonable desig Widown and measure the resistance value T Yes he Jow pressure switch see if the value is unlimase Change low pressure switch No if the connection of low pressure swi and control board is loosen or no L Yes short connect low pressure switek Yes start up and measure the low pressure value to 56 Change contro board if it is higher than protection value Yes Weld evacuate and add liquid again Add liquid and if failure is solved No nReplace the capillary assembly and see if failure disappears 35 Manual rirwell TRUBLESHOOTING Heating low pressure protection Heating low pressure protection No if cut off valve is open Open the cut off valve Yes MET No nge t 2 coniro if the of fan Replace the molor eck if the connection of low swilc and contro sre ifl Replace contro board pect the indoor and outd
17. al Airwell CONTROL SYSTEM Compressor Cooling compressor operation Start Stop 5 1 5 TS Auto wind control When unit is set to auto wind by remote controller or wired controller indoor wind speed will be controlled abide by regulation as follow a When TA TS23 C at high speed b When TS 1 CSTA lt TS 3 at medium speed c When TA TS lt 1 C at low speed d There is no 3 min delay when wind speed switch from low to high contrary to wind speed switch from high side to low side Cooling auto wind control Wind speed High speed 3 min delay 3 min delay Middle speed Low speed 15 5 1 154 Temperature is set by remote controller or wired controller temperature adjustable range from 16 C 32 C user can adjust temperature through temperature and temperature button on remote controller or wired controller Press fan speed button to choose fan speed among auto wind high speed wind medium speed wind low speed wind Operation state a When gt TS 2 C and 3 min protection can be satisfied the compressor and outdoor fan will run continuously and wind speed run at set speed b When TS lt TA lt 5 2 and 3 min protection can be satisfied the compressor and outdoor fan keep 10 min on while off in another 6 min indoor fan keeps 13 min on while off in subsequent 3 min the indoor fan will start at low wind speed after the compressor stops for 3
18. asy voltage is too low user should load a power manostat to keep voltage between 220V to start and shut down after starting or fuse b380V for AC normally running Select high wind speed but indoor temperaturelt is because air filter is too dirty or blocked making cooling capacity fail to be brought b still at high side air flow from the air outlet is jair flow causing cooling capacity inadequate Take out filter and wash the problem will Select high wind speed the vibration and sound of unit are severe Fan runs at high speed severe vibration and sound of unit is normal phenomenon Temperature controller adjusts improper and max cooling capacity is not utilized completely thus indoor temperature cant Adjust the temperature controller and problem will be solved lower down As for Heat pump air conditioner heating effect is not ideal during cold winter this is The lowest temperature is 7 C when heating below this temperature unit cannot heat normal phenomenon effectively Improper installation will lead to indoortemperature uneven or bad cooling It is necessary to adjust AC installation position effect 11 5 2 It means there is failure if following phenomenon is happened Phenomenon Causing explanation Mirage comes out from indoor unit When the cold air from AC cools the indoor air eWhen air conditioner stops running there will be some noise and this is because the refrigerant flows contrarily eAC e
19. coil temperature T1 before compressor starts the compressor keeps running except defrost operation for 8 min indoor coil temperature is T2 if T2 T1 lt 8 C 2 The compressor keeps running except defrost operation for 8 min if T2 T1 lt 8 C Exhaust temperature protection a This function is to prevent exhaust temperature be too high to reduce the compressor operation longevity b When the compressor started exhaust temperature TP gt 120 C and lasts for 3s exhaust temperature protection will be activated the compressor stops as well as outdoor fan and alarm outdoor protection c When exhaust temperature falls to 85 C quits this protection the failure code will not disappear but the unit can resume after restart Note This function is available for three phase power supply 22 Service Manual Airwell CONTROL SYSTEM High and low pressure protection a This protection is to guarantee the unit runs in allowing range free from the compressor damage b High pressure protection High pressure switch off and lasts for 3s high pressure protection appears the compressor and fan motor all stops alarm outdoor unit protection and failure code will not disappear even when high pressure switch returns to normal but the unit can resume when restart c Low pressure protection 1 Checking low pressure failure after the unit starts for 5 min low pressure switch off and lasts for 3s low pressure protection appears the comp
20. d 58 13 23 B25 80 3954K 1 oe _ eee ee 3 583 138 TRUBLESHOOTING 440 7 60 42 12 32 100 3 377 417 0 21 57 79 61 11 89 101 3 279 394 7 22 55 29 62 11 48 102 3 184 373 7 23 52 91 63 11 08 103 3 093 353 9 24 50 65 64 10 70 104 3 003 335 2 25 48 49 65 10 34 105 2 918 317 7 46 44 9 992 106 2 836 301 2 27 44 49 67 9 652 107 2 755 285 6 28 42 64 9 328 108 2 678 271 0 29 40 88 9 017 109 2 603 257 1 30 39 19 70 8 717 110 2 530 244 0 31 37 59 71 8 428 111 2 460 231 7 32 36 06 72 8 152 112 2 392 220 0 33 34 59 73 7 885 113 2 326 209 0 34 33 21 7 628 114 2 262 188 7 36 30 60 76 7 143 116 2 141 179 4 37 29 39 77 6 914 117 2 083 170 7 38 28 23 78 6 693 118 2 026 162 4 39 27 13 79 6 480 119 1 972 154 5 40 26 07 6 276 120 1 920 147 1 41 25 06 81 6 075 121 1 868 140 0 42 24 09 82 5 881 122 1 819 133 3 23 17 83 5 694 123 1 772 127 1 44 22 29 84 5 514 124 1 725 121 1 45 21 44 85 5 340 125 1 680 115 4 46 20 64 5 175 126 1 636 109 9 47 19 86 87 5 014 127 1 594 104 9 48 19 13 88 4 859 128 1 552 100 0 49 18 42 4 711 129 1 513 95 43 50 17 74 4 567 130 1 475 91 07 51 17 09 91 4 429 131 1 437 86 93 52 16 46 92 4 294 132 1 401 83 00 53 15 87 93 4 166 133 1 365 79 26 54 15 30 94 4 040 134 1 331 75 71 55 14 74 95 3 920 135 1 297 72 33 56 14 22 3 803 136 1 266 69 13 57 13 71 97 3 691 137 1 234 1 204 w 3m 5 ws mm 9 se Ww iW Compressor specification Compressor Lubricating Oil brand Oil charge
21. e 5 2 Amendment coefficient of heating capacity under different indoor outdoor DB and WB temperature Indoor air inlet DB Outdoor air inlet WB temperature C e we a em m v o w ze Actual heating capacity calculation Actual heating capacity amendment coefficient of heating capacity x nominal heating capacity Nominal heating capacity could be found from the performance parameters list Amendment coefficient of heating capacity could be found from table above 7 Service Manual Airwell PERFORMANCE DATA 5 2 1 Amendment coefficients of heating and cooling capacity under different height drop Different Cooling Capacity modified coefficients at different height a T LLL IL ERR avi _5 5 10 5 20 25 30 35 40 5 50 _ Equivalent pipe length oo LIN EL EL ELLE _ 20 Note Height of Outdoor Unit Height of Indoor Unit eoueueyip Different Heating Capacity modified coefficients at different height o 4 TT VPMLLBLBEBLBE 0 Equivalent pipe length T sss a tN CL EE SOINI 20 Note H Height of Outdoor Unit Height of Indoor Unit eoueJeyip 8 Manual Airwell PERFORMANCE DATA 5 2 2 Equivalent pipe length conversion Equivalent pipe le
22. e the ANNE assembly e if the failure is 42 Service Manual TRUBLESHOOTING No Yes No If there is output of relay on control board Yes Yes joor filler is blocked or not and wash the flied Repiace the electric hester No Yes If outdoor air blade is fragile Replace the aw blade No Yes I outdoor fan motor stops No Yes No is not No Yes If outdoor heat exchanger be blocked Clean and wash fie heat exchanger Replace the control board 43 Service Manual irwell TRUBLESHOOTING 11 4 3 Abnormal sound or vibration Abnormal sound or serious vibration to indoor unit If air blade or air circle is broken If there is block Take out the block f there is collision between air blade and air circle Adjust air blade or air circle No If the axis cap is damaged or loosen No Yes Yes Yes If the motor comes out abnormal sounc If itis sound of air flow Contact with technique personnel of head office Replace or consolidate the axis No Re fix it again No Yes 44 Service Manual Yes Abnormal sound or serious vibration of outdoor unit If the outdoor unit be fixed firm Yes If it is sound from collision of plates If it is sound from the plate resonant Yes If it is the sound from pipes route collision If there is abnormal object in the unit If the fan loosen or broken No If the outdoor motor be fixed tightly Yes I
23. el more comfortable Shell was formed by mold the appearance is slim elegant fashion and comfortable Special insulation design achieves high heat insulation efficiency and no condensation on shell Long term air filter the wash period is two times longer than normal filter maintenance is free Adopting low noise centrifugal fan strong wind but quiet operation the silence design achieves harmony residential living All the installation and maintenance can be done in the bottom of unit saving the maintenance space 3 phase power supply type units with low ambient temperature cooling function which makes the unit can run normally on the condition that the ambient temperature falls down to 15 C otandard remote controller and optional wired controller Auxiliary electric heater for heat pump unit with fast heating and low ambient temperature heating functions Failure automatic detection if there is a failure the indicator will flash and the failure code will display on the wired controller the failure cause is easier to be found 2 Service Manual Airwell PRODUCT DATA SHEET 2 PRODUCT DATA SHEET 2 1 Indoor Unit Specifications FAF 060 1 YIFA 060 H13 Power Supply V Hz Ph 380 415 50 3 Btu h 54600 Cooling Capacity 59700 Heating Rated Cooling Power Rated Heating Power Input Electric Data Rated Cooling Current Rated Heating Current EER ww uuo eR OOOO ww
24. ell TRUBLESHOOTING Sensor failure protection Indoor room temperature indoor coil temperature outdoor middle condenser temperature defrosting exhausting temperature etc sensor failure Sensor connecting wire is off or short circuit Yes Reconnect the wire No Check the r sistance value of and see if it is short circuit or off circui Contact with technique personnel of head office 40 Service Manual rirwell TRUBLESHOOTING 11 4 Analysis and elimination for the failure without failure code 11 4 1 No action after power on um on but no reaction No the power and connecting line and repower on it is normal after change the ited controller or recipient ith technique personnel T the unit still can be start afte descend or raise setting temp Indoor dia code is correctly set or ng Yes If there i of fan controler board Yes f it is norma or not after change the fan capacitor 41 Service Manual rirwell TRUBLESHOOTING 11 4 2 Air conditioner operates but effect is terrible Cooling effect is poor Yes Indoor filter is blocked or n Clean the filter Yes Yes s lt the indoor unit stops running frequently of resistance m Adjust sensor position or replace it No the failure is solved after add liquid Replace the connecting pip
25. f the motor come out abnormal sound If it is air flow sound or sound from the com is anti vibrabon measure on the of outdoor unit feet TRUBLESHOOTING 45 Service Manual Frirwell 11 4 4 Abnormal odor Air conditioner smelly if it is burning smell No Contact with techni po ied TRUBLESHOOTING 46 Service Manual irwell TRUBLESHOOTING 11 4 5 Air switch action when air conditioner starting up Air switch disconnects when turning on air conditioner Yes he oil temperature heating bell short circuit Replace oil temperature healing belt No Yes ie ec noraa No ves 4 way valve coil short circuit Replace 4 way valve winding No Yes odor moor No Yes lt the compressor short circuit to ground gt Replace the compressor No Yes If the compressor circle resistance value is ni Replace the compressor if the compressor does not utana ka compressor turning on and be over current If the indoor motor short circuit 47 1 Manual Airwell TRUBLESHOOTING 11 4 6 Air conditioner water leakage Drainage pipe or connecting pipe water leakage Yes ainage pipe or connecti pipe heat insulation is not enough stric gt Heat insulaton again No gt Yes Drainage pape connection is not firm enoud Yes Water leakage on drip tray Drainage pipe is blocked Clean the
26. frigerant Valve Port use Allen wrench to open close Valve Protection Cap Refrigerant Valve Service Port Cap Flare Mut Unit Back Side CopperTube 16 1 Manual rirwell CONTROL SYSTEM 10 CONTROL SYSTEM 10 1 Main Functions Forced switch When air conditioner is on press forced switch the unit will be turned off or when air conditioner is off press the forced switch unit will be turned on and enter into auto mode operation Once receiving signal from remote control or wired control the unit will run in setting mode Commissioning Press forced switch for 5 seconds until buzzer sounds twice then controller gets into commissioning At the state of commissioning press the forced switch the unit will be turned off The commissioning time will last for 30 minutes and the mode is cooling a In the mode of commissioning inlet air temperature sensor is ineffectual Compressor runs after 3 min protecting 3 min protecting are not available in the first time power indoor fan is running in low speed b In the mode of commissioning no protection is valid except the three phase protection and the 3 min protection for the compressor Auto operation When remote control select auto mode the unit will choose cooling dehumidify or heating according to indoor temperature and automatically runs at selected mode a When getting into auto mode the indoor unit runs at low wind for 20 seconds while other equipme
27. g returns to normal Exhaust temperature TP Check the exhaust temperature sensor when power on When TP is abnormal unit will start normally and exhaust over heat protection be canceled at the same time failure code displays failure code disappears when TP back to normal exhaust over heat protection will be recovery Outdoor condensation temperature TL When in heating mode doesn t check TL When in cooling mode after the unit starts check the outdoor condensation temperature if TL is abnormal the unit normal starting is allowed and cancel the low ambient cooling function at the same time the failure code displays failure code disappears when TH back to normal the low ambient cooling function will be recovery Communication failure a b Communication failure between indoor and outdoor units The indoor and outdoor communication is abnormal or one of indoor unit and outdoor unit control board is not electrified then power off and display failure code when communication returns to normal failure code disappears The communication failure of wired controller when wired controller or main control board doesn t receive correct signal for consecutive 2 min then turn off and display failure code when communication returns to normal failure code disappears 26 Service Manual irwell TRUBLESHOOTING 11 TRUBLESHOOTING 11 1 Failure Code When air condition has failure the timing lamp on light board of controller will di
28. if it returns to no Replace indoor control board Replace outdoor unit contro board with a new al one if it returns to norma Replace outdoor control board P Contact with the technique staff from head office 30 Service Manual irwell TRUBLESHOOTING Drainage system failure Drainage system failure connect float switch and run cooling check if failure occurs after 3 min Check if there is a lot of water in the drip tray of indoor Repair or replace the float switch Check if there are lots of waste objects in the drip tra Check if the drainage pipe is free from stock No Clean the drainage pipe Contact with technique personne of head office Manual irwell TRUBLESHOOTING Outdoor protection phase sequence Outdoor protection phase shortage or phase sequence Check outdoor terminal gets three Check the iniput power phase power on or not Yes No Check the phase sequence is correct or not Change phase sequence Yes Reconnect Replace the contro board if the failure be solved No Contact with technique personnel of head office 32 Service Manual irwell TRUBLESHOOTING Cooling high pressure protection Short connect high pressure plebs rt Test high pressure low than limited value deviation Contact with technique personnel of head office 33 Service Manual rirwell TRUBLESHOOT
29. ired controller TRUBLESHOOTING Display priority shutdown shutdown shutdown shutdown shutdown shutdown shutdown shutdown shutdown non stop non stop non stop shutdown Note When correct signal has not been received by wired control or main control board in 2 consecutive min then the unit turns off and indicates relative failure code once communication renew and failure code disappears automatically 28 Service Manual irwell TRUBLESHOOTING 11 3 Failure analysis and elimination 11 3 1 Analysis and elimination for the failure with failure code ired controller communication failure eck if the Connection between wired controll and communication wire is firm Yes nspect pins between the interfaces of wiret controller and communication line Yes Check whether the communication line is short circuit Replace the communicabon line Check the connection between controller and communication line is firm eck whether the wired controller is normal afte anging a new normal indoor control boarc 29 Service Manual rirwell TRUBLESHOOTING Communication failure between indoor and outdoor unit Communication failure between indoor and outdoor unit If the outdoor unit is power on Yes If the communication line of the units is correct and firmly fixed Replace indoor unit contro board with a new normal one
30. is the cable of 27IEC53 RVV type 300 500V while the connection wires to outdoor unit and the connection wires from outdoor to indoor unit is the multi end of cable neoprene of 245IEC57 YZW type 300 500V If the single core with double skin type of cable is chosen for installation please choose 1 gauge of section area and wrapped with special jacket for electrician All of the ceiling floor type unit is without accessorial electric heating 11 Manual Airwell ELECTRICAL DATA 6 3 Indoor wire connection Remove electric control box cover of indoor unit connect the wires in accordance with the electric diagram mentioned on the back of the cover The wire ends must be tightly fixed into terminal boards without ease The earth wire must be fixed into appointed position 6 4 Outdoor wire connection Remove the electric item cover which is positioned in the right side of outdoor unit connect the wires in accordance with the electric diagram on the back of the cover Besure that pressing the wires tightly with the terminal boards while it through the board the wire ends must be tightly fixed into terminal boards The earth wire must be fixed into appointed position After all the wire connected bundle connection pipe connection wires and drainage pipe with strips like mentioned drawing below High voltage cable Gas pipe xou K insulation Liquid pipe Gas pipe Liquid pipe insulation Drainage pipe
31. it FAF 060 N11 Outdoor Unit YIFA 060 H13 Indoor unit Outdoor unit NV 306 3 1 lt l E ji HL R ee SSS 42 Power cable T NG 72 _ Powe UU D N db 1 2 i elele 2222 J gt sisal sire 144 Service Manual Airwell REFRIGERATION DIAGRAMS 8 REFRIGERATION DIAGRAMS 8 1 Indoor Unit FAF 060 N11 Outdoor Unit YIFA 060 H13 i Evaporator Stopping Valve mL Condenser E t Cond Todd Cond n scr 4 Way Valve Low pressure switch t High pressure switch T Ambient 4 nn am mmm E L I a TiCondense 3 4 Heating Y E e da One Way Valve Capillary Cooling Refrigerant flow direction in Cooling Eefnugerant flow direction m Heating 5 Service Manual Airwell 9 TUBING CONNECTIONS TUBING CONNECTIONS suction line B Liquid line Flare nut Rs 3 5c D Pipe insulation Insulating sleeve Tube bending Indoor Unit 35 TORQUE Nm 2 11 13 70 75 13 20 13 20 18 25 18 25 40 50 Service Port Cap 11 13 p Valve Protection Cap end Re
32. leeping mode and sleeping indication lamp turns to light Press the sleep button and enters to sleeping operation for cooling operation the set temperature raises by 1 C 1 h later and for heating operation the set temperature descends by 2 C 1 h later After another 1h operation for cooling operation the set temperature raises by 1 C again and for heating operation the set temperature descends by 2 C again After the sleeping mode runs for 7h the unit shutdown When enters into sleeping operation mode switch will be valid however sleeping function will be cancel after mode switch and if press temperature button the unit will adjust temperature according to new set temperature amending temperature At the state of sleeping mode press sleep button mode button or turn off the unit the sleeping mode will be canceled Sleeping in cooling operation Temperature Raises by 1 again Raises by 1 Original set temperature 1h 2h 7ThiSleepingfinished shutdown sleeping in heating operation Temperature Original set temperature Descends by 2 Descends by 2 C again 1h 2h Th Sleepingfinished shutdown Long Distance a Control board has function of long distance control b The switch of long distance control can be masked through indoor unit DIP switch When long distance switch is off and unit turns off the remote controller and wired controller shall not be able to turn on the
33. min When TA lt TS and 3 min protection can be satisfied the compressor outdoor fan and indoor fan stops running the indoor fan restart at low wind speed after the compressor stops 3 min 18 Service Manual Airwell CONTROL SYSTEM Dehumidifying compressor operation compressor Im Stari Omri amin Stop Amin Auto wind control When unit is set to auto wind by remote controller or wired controller indoor wind speed will be controlled abide by regulation as follow a If TA TS24 C at high speed b lf TS 3 lt lt 5 4 C at medium speed c If TS 2 lt lt TS 3 at low speed d If TSSTA lt TS 2 C at low speed intermittently e If TA lt TS the indoor fan will restart after stop for 3 min and operates at low wind Dehumidify auto wind control Wind speed 3 min dela High speed ay 3 min delay Middle speed Low speed OFF T 2 543 5 4 Ventilation operation Outdoor unit stay closed indoor fan motor operates at set wind and wind speed can be set at high medium low by remote controller Heating operation Temperature is set by remote controller or wired controller temperature control range from 16 C 32 C user can adjust temperature through temperature and temperature button on remote controller or wired controller Press fan speed button to choose fan speed among auto wind high speed wind medium speed wi
34. nd low speed wind Operation state a When TA TSs 1 C if compressor meets 3 min protection the compressor and outdoor fan start indoor fan runs according to Anti cold air condition b When TA TS21 C if compressor meets 3 min continuous operation the compressor and outdoor fan stop indoor fan runs according to Anti cold air condition c If TA TS stay in the previous state 19 Manual Airwell CONTROL SYSTEM Heating compressor operation Compressor Start Stop Anti cold air a Anti cold air when the compressor is running b When is raising and TE lt 30 indoor fan stops if 30 lt lt 38 C indoor fan runs at low wind speed When TE238 C indoor fan runs at setting speed d When is descending and gt 34 indoor fan runs at setting speed When 28 C lt TE lt 34 C indoor fan runs at low wind When TE s 28 indoor fan stops Coil temp 38 34 30 i 25 Fan stops Setting Low Fan speed speed 7 1 s a Anti cold air when the compressor is off b When TE 30 indoor fan is originally on then it blows low wind last for maximum 305 c When lt 30 indoor fan stops Blowing surplus heat When indoor temperature reach set temperature or turn off the unit if TE gt 35 C indoor fan motor operates at low wind if indoor temperature lt 35 C indoor fan stops runni
35. ng Swing control There are totally 4 swing modes A B C D among them and B is an assembly C and D is an assembly Each mode switches through sleep button on remote control or wired control detail operation is as follows press sleep button 10 times continuously in 5 second buzzer sounds 4 times and swing angle belongs to C D mode it takes effect when repower on in the same way press sleep button 10 times continuously in 5 second buzzer sounds 2 times then swing returns to A B mode it takes effect when repower on The swing mode switches among assembly is accomplished by dip switch Detailed operations are as follows ON as A mode OFF as B mode OFF as C mode 20 Service Manual Airwell CONTROL SYSTEM Timing The largest timing time is 24 hours minimum scale is 1 min single timing style timing function will keep valid when mode change and indication lamp keep light once set Timing off Only when the unit is running this function can be set set range is 1min 24h and unit will automatically shutdown when time runs Out Timing on Only when the unit is running this function can be set set range is 1min 24h and unit will automatically shutdown when time runs out Turn on or turn off after timing set original timing and sleeping functions will be canceled automatically Sleeping The sleeping function is valid in auto cooling dehumidifying heating operation indoor fan blows low wind once enters into s
36. ngth means converting pipe elbow to straight pipe length after considerate the pressure loss Elbow and Oil loop conversion tablet Equivalent pipe length L Actual Pipe length L Bend Qtyx Equivalent pipe bend length Oil Loop Qty x Equivalent Oil Loop length Sample ALCA H42A5 C5 Actual Pipe length is 25 meters Gas pipe diameter is 19 05mm If there s 5 bends and 2 oil loops during the installation then the equivalent pipe length should be L22540 35 642 4x2 31 5 m e Specification of connection pipe for indoor unit and outdoor unit Cooling Capacity Btu h 18000 24000 36000 48000 60000 Connectio Liquid Pipe 06 35 69 52 69 52 n Pipe Gas Pipe 12 7 015 88 19 05 Liquid Pipe Dia 06 35 9 52 9 52 Max Gas Pipe Dia 12 7 15 88 19 05 Length m Length 30 50 Max Bend Qty MaxBendQy Extra R410a per meter when the pipe length is more than 5 0 0 02 Max Height m 0 Caution 1 The standard Pipe length is 5m if the pipe length is less than this then no additional charging is necessary If the pipe length is more than this then you should charge more refrigerant into the system according to the above Charging Data 2 The thickness of the pipe is 0 5 1 0 bearing pressure is 3 040MPa 3 If the connection pipe is too long the cooling capacity and stability would be decreased And the more bend quantity he resistance in the piping system would be bigger then the cooling and heating capacity would
37. nt not start after 20 seconds indoor fan stops the units enters into mode judgment b Once the room temperature over 27 the units run in cooling mode of setting wind and setting temperature 24 C c When the room temperature is between 20 and 27 the units run in dehumidifying mode of setting wind and setting temperature 24 C d When the room temperature is under 20 C the unit run in heating mode Cooling only in ventilation mode of setting wind and setting temperature 24 C e The system mode do not change according to temperature fluctuation restarting or mode changing the controller should select operation mode Cooling operation Temperature is set by remote controller or wired controller it can be adjusted from 16 C 32 C by pressing temperature temperature on the remote controller or wired controller Press fan speed button to choose fan speed among auto wind high speed wind medium speed wind low speed wind Operation state a The indoor fan motor always runs at the speed set by remote controller or wired controller b When the indoor temperature TA setting temperature TS21 C the compressor starts as well as outdoor fan after compressor meets 3 min protection c When TA TS The unit operation state keep the same d When indoor unit temperature TA setting temperature TS lt 1 the compressor and outdoor fan stop after compressor meets 3 min protection 17 Service Manu
38. oor connecting see if there is leakage Needle valve 36 Service Manual rirwell TRUBLESHOOTING Cooling exhaust temperature protection Cooling exhaust temperature protection If the indoor air blade is broken Yes the outdoor unit stop running Yes Change the air blade if the output of fan on board is normal or not s No Change the control control Uheck the indoor outdoor unit and conn to see if there is any leakage 37 Service Manual rirwell TRUBLESHOOTING Heating exhaust temperature protection Healing exhaust temperature protection Yes E ride is kn No No If the outdoor unit is running Yes Yes If the exhaust sensor gets a deviation No Yes Re weld evacuate and add liquid the indoor outdoor unit and connecting pipe to see if there is any leakage personne of head ofc 38 Service Manual rirwell TRUBLESHOOTING Refrigerant shortage or four way valve failure protection Refrigerant shortage or four way valve failure protection No No Replace the lt I compressor is No The compressor intemal protection according to cooling high pressure and exhaust temperature protection trouble shooting ways to handle Yes f senor of indoor falls off gt Re insert No cTiecking leakage re wilding and add if the failure is solvec Yi Yes No 39 Service Manual rirw
39. ressor and fan motor stop alarming outdoor protection failure code disappear after low pressure switch return to normal when the compressor 3 min protection is satisfied unit returns to normal running 2 When low pressure appears 3 times in 30 min the protection is unable to resume the whole unit stops and the unit can resume after the failure is solved and restart 3 Do not check low pressure when defrosting Note This function is available for three phase power supply Phase sequence protection a This protection is to prevent the compressor rollback or lack phase lead to over current and finally destroy the compressor b When outdoor unit appears lack phase or phase sequence incorrect the unit stops immediately and enters into protection alarming outdoor protection even phase sequence or lack phase switch return to normal the failure code will not disappear the unit can resume when restarting Outdoor fan motor control The unit has function of low ambient cooling and high ambient heating when cooling take outdoor coil temperature as basis and when heating take indoor coil temperature as basis the outdoor fan automatic carries out stepless speed adjustment to keep the unit in normal operation state Defrosting control a situation that the outdoor sensor is in good condition once following conditions are satisfied defrosting begins the operation lamp will shine when running defrosting 1 Outdoor coil
40. s damaged this function is carried out Entering conditions On the condition of running intelligent defrosting operation one of following 7 conditions is satisfied As for secondary condition in upper condition it is only valid that all secondary condition be satisfied at the same time a Condition No 1 1 The outdoor fan enters into over load protection and stops running 2 Outdoor fan stops running then restarts and keeps running over 10 min 3 The compressor accumulating running time 245min 4 The compressor continuous running time 220min 5 s 48 C b Condition No 2 Enter into heating mode 5 min later or finish defrosting 5 min later catch the max difference value between TE and If TE238 C when the difference between TE and TA decrease by 5 C or more and lasting time 23min If the difference between TE and TA decrease by 3 C or more and lasting time 23min 2 compressor continuous running time 25min 3 The compressor accumulating running time 245min 4 TE s 48 Note lfthere is wind modification and when indoor fan wind speed descends 1 grade temperature modification 24 Manual Airwell CONTROL SYSTEM 1 C when indoor fan wind speed climbs 1 grade temperature modification 1 c Condition No 3 d 9 DThe compressor accumulating running time 23h 2 The continuous compressor running time 25min 3 The min difference between TE and TA lt 16 C Condi
41. splay different code according to different failure case 27 Service Manual Airwell 11 1 2 Unit failure code for unit power supply is 380 415V Suitable for units capacity 36000 60000BTU power supply 380 415V 3N 50Hz ailure causing Communication failure Wired controller communication failure Drainage system failure Outdoor protection Phase failure Outdoor protection discharging over temperature High pressure protection Low pressure protection Indoor temp sensor abnormal TA Indoor coil sensor abnormal TE Outdoor coil sensor abnormal TW Outdoor condensate temp Sensor Discharging temp sensor abnormal TP Refrigerant shortage Display 1 indication lamp on display lamp board Flash 5 times and go out 2S Flash 4 times and go out 2S Flash6 times and go out 2S Flash 10 times and go out 2S Flash 9 times and go out 2S Flash 9 times and go out 2S Flash 1 times and go out 2S Flash 3 times and go out 2S Flash 2 times and go out 2S Flash 7 times and go out 2S Flash 8 times and go out 2S Flash 11 times and go out 2S Display failure lamp on control board Flash 2 times and go out 2S Flash 1 times and go out 2S Flash 3 times and go out 2S Flash 2 times and go out 2S Flash 7 times and go out 2S Flash 8 times and go out 2S Flash 11 times and go out 2S Display mode3 w
42. the contactor by hand the contactor reacts immediately and without question Contactor J The contacting point of contactor has no burn and melt phenomenon The winding has resistance value below 1000 but cannot be nil or infinite 2 3 4 ways valve winding The winding has resistance value below 1000 but cannot be nil or infinite No expansion phenomenon apparently Measure capacitor by using capacitor phase of multi meter if the multi meter has no capacitor phase use ohm phase contact the two Capacitor terminal of meter to two feet of capacitor and quickly switch positive pole and negative pole and reconnect the resistance should display from nil to infinite quickly The resistance can t change is always nil or infinite Using multi meter to measure resistance find out temperature according to resistance table the temperature should accord with sensor temperature Resistance cannot be nil or infinite Sensor No burning trace apparently Using multi meter ohm phase there is correct resistance value among windings single phase compressor refers to specification three phase compressor resistance approximately equal resistance of winding should be infinite Motor 50 Service Manual Airwell 11 7 Sensor resistance reference table 11 7 1 Coil and environment temperature sens or 5K3470 resistance reference table TRUBLESHOOTING Coil and environment temperature sensor 5K3470 Tx C 20 72 99
43. tion No 4 1 The min difference between TE and TA lt 16 continuously last for 5 min 2 The compressor accumulating running time 245 min 3 The compressor continuous running time 220min If the condition is satisfied unit will enter into defrosting current TE will be recorded before defrosting When the defrosting is over and the compressor continuously runs for 10 min then compare current TE with TE before defrosting if the latter doesn t high than former by 3 C or more next time unit will not enter into defrosting at this condition until mode switch turn off then restart to heating or go through a defrosting yet Condition No 5 Begin to calculate time once air conditioner enters into over heating protection enters into compulsory defrosting after 2 h later Condition No 6 1 5 min later after enters into heating mode for the first time catching max value of TE if TE lt 38 2 The compressor continuous running time 25min 3 The compressor accumulating running time 245 min Condition No 7 DAt heating mode and the compressor accumulating running time is over 2h 2 Within the 2 h never carry out defrosting 3 The compressor continuous running time 25min catching max value of TE if TE lt 30 and lasting time 23min 25 Service Manual Airwell CONTROL SYSTEM Quit conditions One of following 3 conditions is satisfied unit quit the intelligent defrosting a b Intelligent defrosting time 29min
44. xpand or shrink according to temperature causing harsh sounds eLiquid sound is from refrigerant flowing eThe AC itself will not be smelly if it is smelly it is because Sometimes the room is smelly environment smell accumulated e Solution clean the filter e lt is to prevent cold air blowing please be patient when heating there is no wind at the e The unit has auto restart function when it is repowered again unit will run beginning of starting unit according to the mode which is set before the power off Note default is closed The unit has auto restart function when it is repowered again unit will run as setting mode Note closed default 49 Service Manual TRUBLESHOOTING 11 6 Electric components malfunction inspection Component name Inspection methods Using multi meter ohm phase there is correct resistance value among windings single phase compressor refers to specification three phase compressor resistance approximately equal resistance of winding should be infinite 1Check if any connection part of PCB loosen or drop off printed tinsel and components have any burn fade breaking off or aging phenomenon all joints exist short circuit phenomenon etc Test the circuit board system in the term of voltage pulse on resistance variation by using testing meter 2 Control board Judge the output and input is normal or not according to electric principle diagram Press
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