Service Manual Floor-standing SBF (Preliminary Version)
Contents
1. 51 Spare part list of outdoor unit AWAU YSF048 H13 No Part Name Qt BOM Code No Part Name Qt BOM Code 1 Ambient temperature 4 202440220061 22 Supportingbar 1 201275690066 sensor assembly 2 Rear net 1 201175690001 23 cover 1 201248300242 assembly 3 Condenser assembly 1 201575890169 24 Compressor 1 201400710570 Discharge pipe 3 1 Condenser 1 201575890170 25 assembly 1 201675890952 8 1 Condenser 1 201575890171 25 1 1 202301820020 3 2 Input pipe assembly 1 201675890900 25 2 Muffler 1 201601000041 a 4 ways valve 3 3 Output pipe 1 201675890890 26 assembly 1 201675790946 4 Pipe temperature sensor 202450200331 26 1 4 ways valve 1 201600600166 assembly 5 Big Handle assembly 1 201248100325 26 2 Gas valve 1 201600720425 Liquid valve 6 Rear right clapboard 1 201248700199 27 assembly 1 201648790268 7 Handle 2 201148700009 27 1 Liquid valve 1 201600740519 Electronic 8 Water collector 1 201148790000 28 control box 1 709948700 assembly Front clapboard 1 Electronic 9 assembly 201248700204 28 1 installing plate 1 201248700286 Outdoor main 10 Valve plate 1 201248790014 28 2 control board 1 201348890015 assembly 11 Chassis 1 20122. Residential AIAWELL e ELECTRA a JOHNSON Fixed Speed Light Commercial Series Floor standin SBF Indoor Units Outdoor Units AWSI SBF048 N11 AWAU YSF048 H13 REFRIGERANT R410A HEATPUMP SM SBF 1 A 1 GB FEB 2014 5 1 Safety Precaution vi in e n ti akt ini n ii n ii an an nap oa ua naa ia nn dg a e 1 WAV Precautlof cott a a ke a a a ak a a 1 2 be e eta detou tu ia tet 1 1 8 Gallon eoo DEEP e Ead e e Ro E E 1 ict CONP FANON A de n tu LH IL M LM oro 1 2 Specification 3 3 DimenslOnN se sese il a ni ai aa n n a aaa nan n a n aa aa n a aaa n aa n n ia m a n aa a a n l n 4 Sl Indoor l 11 ADA 4 OUIdOOE TIE al st tat ti ei e ie et e ke ae poke tb 5 4 Refrigerant cycle diagram s ssssssnsssennnrannnneannnamennnannnnennnnennKIIIIKIIIIINIIIIIIIAN 6 k l ka ka Ak 7 6 Installation 5 9 6 1 Installation plaGe 9 6 2 Installilg 10 6 3 Refrigerant pipe 12 6 4 Drain Pipe of The Indoor E 24 VWA AMON 24 6 6 ESTKUN SE ar
3. the pipe make is straight Min Radius 100 mm 6 3 2 2 Using bronze pipe selling in market Completely shut the cut off valves of the outdoor unit as ex work status After the refrigerant pipe has been connected with both the indoor and outdoor unit let the air exhaust out from the maintenance gap on the low pressure cut off valves of the outdoor unit Screw the nuts tightly on the maintenance gap after the air has been drained 6 3 2 3 To make the refrigerant pipe unblocked completely You should keep the cut off valves of the outdoor unit completely open after you have finished the above steps 5 3 2 1 or 5 3 2 2 Note 1 Before screwing the reamer nut smear the pipe and the connecting surface with refrigerant oil 2 Check and make sure there is no leakage by soap water or leakage checker after connecting 3 Be sure the connecting joint on the indoor side is insulated 4 Use two wrenches to connecting the pipes 14 wrench Indoor unit E CU C i Outdoor unit Additional Outside diameter Torque tightening torque mm inch N cm N cm 09 52 3 8 3270 3990 012 7 1 2 4950 6030 016 5 8 6180 7750 019 3 4 9720 11860 6 3 3 Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may fre
4. If four way valve is open before the machine enters cooling mode then four way valve will be closed at the first time the compressor starts under the cooling mode 9 3 2 2 Compressor and outdoor fan running rules Once the compressor starts up it will follow the below rules 32 T1 Ts Off Y When compressor is on outdoor fan will follow the below rules Fan below When compressor is on the outdoor fan runs all the time Fan above T3 4 33 30 9 3 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan 2 4 5 0 High A 4 0 Medium 3 0 EE 2 0 Y Low 9 3 2 4 Low evaporator coil temperature T2 protection AC will enter T2 protection if any of the following conditions is satisfied Condition 1 33 T2 T2CoolExit T2CoolIn When the evaporator temp T2 keeps lower than T2Coolln for 30 minutes the compressor and outdoor fan will shut off When T2 is higher than T2CoolExit the compressor and outdoor fan will restart up Condition 2 T2 T2CoolExit T2Coolln 2 When the evaporator coil temp T2 keeps lower than T2Coolln 2 for 20 minutes the compressor and outdoor fan will shut off When T2 is higher than T2CoolExit the compressor and outdoor fan will restart up Condition 3 T2 T2CoolExit T2Coolln 4 When the evapora
5. button d Under the Test Running mode press V check information about T1 T2 P4 P5 and P9 if no protection function occurs the code is shifted e Under malfunction condition Press the A V to check the malfunction code E1 E2 E6 and E9 details refer to TROUBLESHOOT 5 AUXILIARY FUNCTION button Use this button to select cancel the auxiliary feature Press this button then press the ADJUST V button to select the desired feature Each time the button is pressed the mode is shifted in the direction of the arrow When press A button MW 9 e o OX When press the V button gi Di1 w go Once the desired feature is established press the AUXILIARTY FUNCTION button again to register 6 TEST RUNNING button This button is specially designed for maintenance technicians Press this button to perform test running operation press it again to stop the operation The test running operation will last 30 minutes regardless of the setting temperature Press the ADJUST button to check the protective code of T1 T2 and T3 7 LOCK button When you press the LOCK button the first time all the current settings are locked in but the remote controller operation is available And the LOCK indicator illuminates Push it again to cancel the LOCK mode 28 8 Operation characteristics Mode Cooling Drying Heating operation Tempe
6. ween them Try to make the air outlet vertical to wind direction if it is known in the season you use the system Strong Wind Cc I 7 A Strong Wind Air Out In directions A C leave open two of the three directions 6 1 2 3 Reserve enough space for installation maintenance and unit functioning Remove as many obstacles as possible nearby When the air in surface is facing a wall Wall or Obstade 30cm Arin 1 30cm Maintenance Air In Side Air Out 50cm 6 2 Installing 6 2 1 Indoor Unit 1 Anti falling When the air out surface is facing a wall Air In Air In ___ Maintenance ae Side 246 Air gt gt 300 gt 50 L Wall or Obstacle To prevent the indoor unit from falling you must a Pay full attention to the unit because its long outer shape makes it easy to fall b Firmly fix the unit to the wall or in the ground to avoid accidental falling Screws Safety Lock 39725 Flat washer Screws 3 9x 25 2 Dismounting the lower front panel Air Outlet Flat washer Screw hole on the unit Screws 3 9 10 on the unit Air Inlet Please take off the lower front panel before connecting the pipes wires Pull down the two knobs on the grille take off the two screws then the air inlet grille 10 goes free Lower front panel 3 Take the Pipe Clip off before connecting the pipes and wiring fit it
7. P C BOARD SOCKETS CN12 CN13 CN16 CN18 CN22 AWAU YSF048 H13 2020487A1030 al ri BLACK DOWN FAN This symbol indicates the element is optional the actual shape shall prevail POWER SUPPLY WIRING DIAGRAM OUTDOOR UNIT CODE PART NAME QUTDOOR DOWNFAN 1 2 FAN CAPACITORS CONTACTOR COMPRESSOR XT2 TERMINAL TERMINAL XT5 8 CONNECTORS OVIDOORCOILTHERMISTOR OAT OUTDOORAR THERMSTOR XP3 XP8 CONNECTORS XS3 XS8 CONNECTORS URRENT INDUCTOR RESSOR DISCHARGE THERMISTOR HIGH PRESSURE SWITCH LOW PRESSURE SWITCH COMPRESSOR OVERLOAD PROTECTOR REVERSING VALVE COMPRESSOR CRANKCASE HEATER TRANS __ CN1 CN17 P C BOARD SOCKETS YIG TO INDOOR UNIT XT1 6 Installation details 6 1 Installation place 6 1 1 Indoor Unit a A place which provides the spaces around the indoor unit as required above in the diagram b A place where is no obstacle near the inlet and outlet area c A place which can bear the weight of the indoor unit d A place which allows the air filter to be removed downward e A place where the reception range is not exposed to direct sunlight f In the center of the room where possible 6 1 1 1 Please stand the unit in hard and flat ground Please reserve space for installation an
8. Yes Yes Stop leaking and add refrigerant is more than 115 C 9 refrigerant is leak No Check whether the wiring connection is right between compressor discharge temp No sensor and PCB according to wiring diagrams Yes discharge temp sensor is broken Correct the wiring connection Method Check whether the resistance of compressor No Replace the compressor discharge temp sensor ox discharge temp sensor is B 9 P right refer to the Appendix 2 Yes Replace outdoor main board 5 Trouble is soled e 47 Resistance Value Table C K C C kom 20 152 126431 2574 100 0699 0 57683 0 56038 0 54448 793110 26 9504 66 19607 106 0 52912 0 51426 70 1608 28 871983 176647 108 049989 660898 29 833566 6 17047 1409 0 48600 622756 797078 70 16469 110 047256 587079 31 76243 71 159068 045957 56 3694 32 7244 72 153668 112 044699 522438 33 698142 73 14848 118 0 43482 493161 34 66335 74 143408 14 0 42304 465725 35 64001 75 138709 115 041164 440000 ae 61309 76 134105 116 0 40060 415878 37 587369 77
9. 4 Drain Pipe of The Indoor Unit Glue Drain pipe Drain Pipe Band for covering the pipe 1 Make sure the drain pipe is connected to the outdoor side downward 2 The hard polyvinyl chloride PVC plastic pipe external diameter 26 mm sold is the market is suitable for the attached soft drain pipe 3 Please connect the Soft Drain Pipe with the Drain Pipe then fix it with band 4 1f you have to connect the Drain Pipe indoors to avoid condensing caused by air intake you must cover the pipe with heat insulation material polyethylene with Specific Gravity of 0 03 at least 9 mm in thickness and use Glue Band to fix it 5 After the Drain Pipe has been connected please check if the water drains out of the pipe efficiently and has no leakage 6 Refrigerant pipe and Drainpipe should be heat insulated to avoid condensing and water dropping later on 6 5 Wiring Please refer to the Wiring Diagram Power supply Main Switch Fuse Power cord of Outdoor unit Locally purchased Indoor outdoor unit 4 connective cable signal wire Indoor outdoor unit connective cables Outdoor Unit Indoor unit d Sensor connective cable Note The power supply of the air conditioner is different according to the models Please refer to the WIRING DIAGRAM pasted on the indoor and outdoor units before wire connection Model Power supply ges aser Power Cord Size AWSI SBFO48 N11 AWAU
10. Power off then turn on the unit 5 seconds later reconnect the power wire Is the error still displaying after several minutes Yes Check all the wirings between indoor and outdoor indoor PCB and outdoor PCB following the wiring diagram Are all the wirings connected correctly Yes Measure Vs is it moving alternately between positive value and negative value No Vs is the voltage between S and N of outdoor unit Yes Is the wiring to the outdoor PCB the wiring to the indoor PCB connected correctly connected correctly Yes Yes v v Change the indoor main PCB Change the outdoor main PCB Y Y Power on Is the error extinguished Power on Is the error extinguished No No Y Y Change the outdoor main PCB Change the indoor main PCB 43 10 3 10 Refrigerant Leakage Detection Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes y Check if T2 sensor is well Is there cool air blowing fixed Correct the installation Yes out from indoor air outlet or replace T2 sensor Does the problem remain again No Yes Y Is there any leakage Especially the connection parts such as the gas valve and the liquid valve No a Repair the leak d epair the leakage an recharge the
11. YSF048 H13 380 420V 50Hz 32 25A 22 5mm 24 NOTE cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch 6 6 Test run Perform test operation after completing gas leak and electrical safety check The test operation time should last more than 30 minutes 1 Open the panel and lift the panel up to angle which remains fixed Do not lift the panel any further when it stops with a click sound 2 Press the manual switch button twice until the operation indicator lights the unit will operate on manual cool mode 3 Check if all the functions works well while testing the air conditioner Especially check whether the drainage of indoor unit is smooth or not 4 Press the manual switch button again till the operation indicator turns dark after finishing the test operation and the unit stops operation 25 7 External and display 7 1 External view This unit consists of indoor unit and outdoor unit Indoor unit 1 Air outlet Outdoor unit 2 Operation panel 8 Connection cable 3 Horizontal airflow control louver 9 Connection pipe 4 Vertical airflow control louver 10 Cut off valve 5 Front panel upper and lower 11 Air outlet 6 Airinlet 12 Fan hood 7 Drain pipe All t
12. and Functions 9 3 1 Heating Mode 9 3 1 1 Four way valve opens at once while defrosting process closes 9 3 1 2 Compressor and outdoor fan running rules Once the compressor starts up it will follow the below rules T1 TS 4 Off When compressor is on outdoor fan will follow the below rules Fan below When compressor is on the outdoor fan runs all the time Fan above 30 18 9 3 1 3 Indoor fan running rules When the compressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority Auto fan action T1 Ts 4 Low 2 3 Medium 4 N L High Y 9 3 1 4 Defrost only available to heating mode Defrosting Conditions Starting Of Defrosting Condition meet one of the following is ok 1 Accumulated time when temperature of outdoor heat exchanger coil is below 3 C reaches to 40 minutes then consecutive 3 minutes less than 5 degrees Just for the AC is turn on whether or not the heating mode the temperature was detected start to statistical time when reach the temperature condition Shut down or defrosting calculate time again 2 Accumulated time when temperature of outdoor heat exchanger coil T3 is below 3 C reaches to 60 minutes then consecutive 3 minutes less than 4 degrees Just for the AC is turn on whether or not the heating mode the temperature was detected start to stati
13. 12908 17 0 8991 398239 562961 78 125423 118 os 37 1988 539689 79 121330 119 0 36954 352024 40 517519 117399 120 0 35982 333269 41 496392 113604 121 0 35042 315635 42 476258 82 10998 122 03413 299058 43 457050 83 10648 128 0 33246 283450 44 438736 1 03060 124 0 82390 26878 45 421208 85 099815 125 0451559 25494 46 404559 86 096681 126 030754 241992 47 388673 87 093662 127 0 29974 225602 48 373476 88 090758 128 029216 2404 49 358962 89 0879050 129 0228482 207184 so 345097 90 085248 130 027770 0 27078 0 26408 0 25757 0 25125 0 24512 15948 se 27382 96 136 0 23916 0 23338 139180 se 253973 98 0 66818 0276 48 11 Exploded View Spare Part list Exploded View of indoor unit AWSI SBFO48 N11 l ie 10 FN DA 2 4 9 49 Spare part list of indoor unit AWSI SBF0O48 N11 No Part Name Qty BOM Code No Part Name Qty BOM Code Air inlet rille Front guard board 1 assambl 9 1 201143700277 15 for right side of 1 201243700226 y evaporator 1 1 Air filter 1 P73001090755 16 Electric heater 1 202440300402 1 2 Air fi
14. 48700285 28 3 Wire joint 1 202301450127 12 Partition board 201275690068 28 3 Wire joint 4 202301450117 assembly motor 13 Accumulator cylinder 1 201601000636 28 4 capacitor 2 202401100505 14 Fix clamp of segregator 1 201248700067 28 7 AC contactor 1 202300850045 15 Left supporter 1 201275690067 28 8 Transformer 1 202300900127 A 2 Installation box 16 Airoutlet grille 2 2011487A0002 28 9 of electric 1 201145000002 Round Sticker for air 2 2011374A0005 Low 1 201319901033 outlet grille module 17 Front panel 1 201248700201 29 Copper nut 1 201600320002 Crankcase 18 Axial flow fan 2 201100300045 30 heater 1 202403101716 Discharge 19 Fan motor 2 202400401375 31 temperature 1 202301610500 controller Supporter assembly of Suction pipe 2016758A017 20 fan motor 1 201248700197 32 assembly 1 0 21 Supporter of fan motor 4 201248300232 32 1 Pressure 1 202301800118 holder switch 52 SERVICE MANUAL Fixed Speed Light Commercial Series Floor standing
15. EN Electronic scale Procedure CLOSE 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Open the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 5 When the electronic scale displays the proper weight disconnect the charge hose from the 3 way valve s service port immediately If the system has been charged with liquid refrigerant while operating the air conditioner 23 turn off the air conditioner before disconnecting the hose 6 Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage 6
16. d maintenance wall or obstacle ocm min gt 30 A Rear min 2 ag zi e 4cm Front min 200cm SS 10cm min 10cm min Pipina side Pipina side 30cm min 15 necessary 30cm min is necessary 6 1 2 Outdoor Unit 6 1 2 1 Before installing the outdoor unit you should a Select a place where no direct sunlight or other heat radioactivity may reach A sunshade is needed if it is unavoidable b Select a place that is easy to connect indoor unit s pipe and electric wires C Avoid a place where combustible gas may leak or stay d Keep it in mind that water may drain out of the outdoor unit while in Heat mode Caution Installation in the following places may cause trouble If it is unavoidable to use in such places please consult with the dealer a A place full of machine oil b A saline place such as coast c Hot spring resort d A place full of sulfide gas e A place where there are high frequency machines such as wireless installation welding machine medical facility f A place of special environmental conditions 6 1 2 2 If the outdoor unit is to be installed on a roof or where no constructions are around you should avoid hard wind blows directly to the air outlet because it may cause trouble for air flow shortage For example Let the air outlet face a wall if there is with a distance about 300 centimeters bet
17. d valve Operate the vacuum pump to evacuate Make evacuation for 30 minutes and check whether the compound meter indicates 0 1 the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please check if there are some leakage points Fully close the handle Lo valve of the manifold valve and stop the operation of the vacuum pump Confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 7 Turn the flare nut of the 3 way valves about 45 counterclockwise for 6 or 7seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure Then remove the charge hose from the 3 way valve 8 Fully open 2 way valve and 3 way securely tighten the of the 3 way valve 2 Air purging by refrigerant Charging cylinder Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the nut on the 2 way approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging
18. ds Then screw tightly the maintenance port When supplement the refrigerant fill through the maintenance port of the low pressure valves on the outdoor unit Open all the valves completely before power on the system or it will be sick for low efficiency f Gas leak check Make sure no gas from connections with leak detector or soap water Caution A Lo packed valve B Hi packed valve C and D are ends of indoor unit connection Caution in Handling the Packed Valve a Open the valve stem until it hits against the stopper Do not try to open it further b Securely tighten the valve stem cap with a spanner or the link 13 Flare Outdoor unit Refrigerant Indoor unit p 999 52mm 12 7mm Stopper imm 19mm D B d Valve body Packed valve Half union Valve stem Notes for the bendable pipe a The bendable pipe should be used on the indoor side b Bend angel may not exceed 90 degrees c The bend location should be made on the center of the pipe if possible as for bend radius the bigger the better d The bendable pipe may not be bent for more than 3 times Bend the thin pipe a While bending expose the pipe by cutting the concave gap on the bending heat insulation pipe roll it with soft band after bent b To avoid pipe deformation the radius is the bigger the better c Use a pipe bending device to make the compact bending pipe Use thumb to curve the pipe pe
19. e refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 21 6 3 6 Re installation while the outdoor unit need to be repaired 1 Evacuation for the whole system Indoor unit Liquid side Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position 2 Connect the vacuum pump to 3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1 4 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 5 Disconnect the charge hose from the vacuum pump 2 Refrigerant charging 22 x Outdoor unit Indoor unit Liquid side wm av N 3 n C NE VOJ 3 H C N N Gas side Lm d VAY V IZ 1 Charging cylinder
20. emperature On Off On 2 protection of compressor Flash Flash Off High pressure protection Flash Off Flash Low pressure protection Off Flash On Overload of current Flash Flash On High temperature protection of condenser Flash Flash Flash Fan jump selection error 37 10 3 Troubles and Solutions Before calling for service please review the following list of common problems and solutions Problem Possible Cause Solutions Air conditioner Power failure Wait for power restoring does not The power supply is disconnected Switch on the main power operate at all switch The power fuse is blown Change the fuse The timer is set Wait or cancel timer setting The batteries of the remote control are exhausted Change the batteries Air conditioner does not cool or heat well The temperature setting is too high Set a more comfortable or too low temperature The air filter is clogged with dust Clean the filter The air inlet or outlet of the outdoor Clear up the block unit is blocked Doors or windows are open Close the doors or windows Air conditioner does not cool or heat at all The air inlet or outlet of the outdoor unit is blocked Clear up the block first then begin to operate Three minute protection feature Wait for a while Unappropriated temperature setting Set the temperature properly If you still cannot solve the p
21. en a a eee et 25 External view and display 26 7 d External VIGW se ret tete ep P b Pe e eoi P ete 26 TODO Papel teet at a to ak e e e atu s cua cett 27 8 Operation characteristics an a aa a od ui a aua CH n n a ai n FREE ERU ka a Ed da a an 29 9 ElecifonlC FUNCTION M 30 9 1 Main data Introduction oi e eee 30 O 2 Malin PAOLOCUON e 30 9 Modes and PUNGNDNS nuns a un unu tutu fu 30 OZONEBFUNCIONS 35 10 1 SHOOTING 36 SON ON IGNOSIS 36 10 2 LEDs for the indication of outdoor 7 1 37 10 3 Troubl s and Solutions a 38 TLExploded View and Spare Part liSt mma natnn omna 49 1 Safety Precautions 1 1 Precaution To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage Before ser
22. eze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor units and the pipes between indoor and outdoor units must be leak tested and evacuated to remove gas and moisture from the system Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump 15 Vacuum _ Vacuum Indoor unit gt gt Liquid side p p ce eje eru ix NS Gas side UN NA Manifold valve l A E 909 U Outdoor unit Vo l n dako a Close LI e way valve Close Compound meter gt GE Pressure 0 1MPa LE n Handle Lo Charge hose Charge hose LV E Handle Hi J N LAN S N o pi 16 Completely tighten the flare nuts of the indoor and outdoor units confirm that both the 2 way and 3 way valves are set to the closed position Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port Connect the charge hose of handle hi connection to the vacuum pump Fully open the handle Lo of the manifol
23. he pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail 26 7 2 Control Panel Control Buttons and Functions Indicators C it ESN CNN On Or Auto operation display Cooling operation display Dry operation display Heating operation display Fan operation display Swing operation display Sleep operation display Turbo operation display On timer operation display Off timer operation display Lock operation display Fan speed display 27 Operation buttons 1 ON OFFbutton Operation starts when this button is pressed and stops when you press the button again 2 MODE button Press this button to select the appropriate operating mode Each time the button is pressed the operation mode shifted in the direction of the arrow PAS IM bah i 3 FAN SPEED button This button is used to select the desired fan speed Each time you push the button a fan speed is shifted in the direction of the arrow AUTO LOW MED HIGH 4 ADJUST button a Temperature adjust Press the A and V to adjust the temperature a range of 17 C 2015 b Timer adjust Adjust the timer on off time under the Timer setting mode 0 24hs c Auxiliary function selection Select the desired auxiliary function by pressing and V
24. ime timer protection etc 9 4 2 Timer The machine should be provided with max Interval of 24h and min resolution ratio of 30 minutes 35 10 Trouble shooting 10 1 Self diagnosis Codes Contents P4 Protection of temperature of indoor evaporator P5 Protection of temperature of outdoor condenser P7 Compressor discharge temperature protection P9 Protection of anti cold wind P10 Low pressure protection P11 High pressure protection P12 Current overload protection E1 Open or short circuit of T1 temperature sensor E2 Open or short circuit of T2 temperature sensor Open short circuit of T3 temperature sensor E4 Open or short circuit of T4 temperature sensor E5 Communication malfunction between indoor unit and outdoor unit E10 Low pressure failure of compressor E13 Lack of phase E14 Default phase of compressor E15 Indoor fan speed is out of control EC Refrigerant Leakage Detection HS Defrosting 36 10 2 LEDS for the indication of outdoor trouble Their codes are listed in the following table LED2 green LED3 yellow LED4 red Contents On Off Off OK Off On Off Standby Off Off Flash Lack of phase Off Flash Off Phase sequence error Off Flash Flash Indoor outdoor units communication error Off Off On Open or short circuit of T3 temperature sensor Flash Off Off short circuit of T4 t
25. ions between units Max tubing length m 50 Max height difference m 25 Operation control type Remote control 3 Dimension 3 1 Indoor Unit Dimension Mode W mm D mm H mm AWSI SBFO48 N11 550 350 1800 3 2 Outdoor Unit a Y w Dimension im Ama Mode AWAU YSF048 H13 938 392 1369 1023 6335 404 4 Refrigerant diagram INDOOR OUTDOOR lt 4 LIQUID SIDE CHECK VALVE Heating Mod l x ing odel only gt p 4 00000 2 WAY VALVE ap T3 Condenser f 008000 temp sensor CAPILIARY TUBE n HEAT No yf cap EXCHANGE VJ EVAPORATOR V V 1 T4 Ambient g y EXCHANGE A sensor temp sensor A CONDENSER T2 Evaporator temp sensor ES JI GAS SIDE lak i IP KWAY VALVE A ia 3 WAY VALVE Accumulator High pressure switch Compressor Y Y T5 Discharge temp sensor Low pressure TO 55 switch Nast M _ COOLING q HEATING 5 Wiring diagram AWSI SBF048 N11 2020437A2468 XP2 52 OUTDOOR WIRING DIAGRAM INDOOR PART me VER SW VERTICAL SWING MOTOR menm CN2CN3 CN6
26. l the product where the noise or hot air from the outdoor unit could damage the neighborhoods Use two or more people to lift and transport the product Do not install the product where it will be exposed to sea wind salt spray directly 1 4 Operational Do not expose the skin directly to cool air for long periods of time Do not sit in the draft Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system Do not block the inlet or outlet of air flow Use a soft cloth to clean Do not use harsh detergents solvents etc Do not touch the metal parts of the product when removing the air filter They are very sharp 1 Do not step on pr put anything on the product outdoor units Always insert the filter securely Clean the filter every two weeks or more often if necessary Do not insert hands or other object through air inlet or outlet while the product is operated Do not drink the water drained from the product Use a firm stool or ladder when cleaning or maintaining the product Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries Do not recharge or disassemble the batteries Do not dispose of batteries in a fire If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the bat
27. lter 1 P73001090752 17 Cover assembly 1 201243700181 Ambient i 2 temperature 1 202440120100 18 Display box 1 203343390109 assembly sensor assembly m Display board 3 Ventilation ring 1 201141100002 18 1 assembly 1 201343390111 4 Volute shell 1 202243700191 19 Airoutletassembly 1 201143700278 assembly 5 Fixing board for 4 201240300410 19 1 Synchronous 1 202400100065 volute shell motor 6 Centrifugal fan 1 201140500401 20 Cover of electronic 201240300654 control box Brushless DC Electronic control 7 Motor 1 202400310114 21 box assembly 1 2033437A0116 Auxiliary heater 8 Chassis 1 201143700276 21 1 contratbsatd 1 201343300060 Right side plate Indoor main 9 assembly of 1 201243700335 21 2 control board 1 201343790046 cabinet assembly Top cover Inverter control 10 assembly 1 201143700275 21 3 board assembly 1 201319903024 Bottom plate 1 Electronic control 41 assembly of 201243700007 21 4 55 1 201243600009 Left side plate 12 assam of 1 201243700334 21 5 Reactor 1 202301000950 13 Pipe temperature 4 599301300111 21 6 Wire joint 1 202301450114 sensor assembly 14 Evaporator 1 201543700140 22 Remote controller 1 203355091552 assembly 50 Exploded View of outdoor unit AWAU YSF048 H13
28. ndle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 6 Set the 3 way valve to the closed position immediately Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa Disconnect the charge set and tighten the 2 way and 3 way valve s stem nuts Use a torque wrench to tighten the 3 way valves service port cap to a torque of 18N m Be sure to check for gas leakage 20 2 Air purging by the refrigerant 3 Outdoor unit way valve f Mi PF sway valve Charging cylinder Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve Leave the valve on the charging cylinder closed 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing itfor 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge th
29. pipe for every meter plus pipe the refrigerant should be added according to the following calculation adattiona length Elevation refrigerant Liquid un B m g m Sem e on 3 4 19 5 10 20 048 11 12 7 unit Indoor unit A Outdoor unit Caution Capacity is base on standard length and maximum allowance length is base of reliability trap should installed per 5 7 meters 12 6 3 2 connection 6 3 21 Connecting Of Refrigerant Pipe a Only the correctly installing of indoor and outdoor unit done can the refrigerant pipe be connected b The cut off valves are completely close before ex work Before connecting the refrigerant pipe be careful to check whether the valves are completely close The connecting procedure of refrigerant pipe first unscrew the two valves on the outdoor unit and the pipe jointing nut on the indoor unit please keep them care fully Please connect the refrigerant pipe according to the manual the pipe jointing nut should be screw tightly and no leakage Note you need two wrenches to make balance d When the connecting of refrigerant pipe is finished before power on the system you should vacuum the indoor unit through the maintenance port on the cut off valves or open the high pressure valve and exhaust the air through the maintenance port on the low pressure valve closed It will take about ten secon
30. rature operation operation Room temperature 17 C 32 C 0 C 30 C 17 82 Outdoor temperature 77 43 77 247 18 C 43 C CAUTION 1 If air conditioner is used outside of the above conditions certain safety protection features may come into operation and cause the unit to function abnormally 2 Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may attract condensation Please sets the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 Optimum performance will be achieved within this operating temperature 29 9 Electronic function 9 1 Main data Introduction 1 Room Air Thermistor RAT T2 Indoor Coil Thermistor ICT T3 Outdoor Coil Thermistor OCT T4 Outdoor Air Thermistor OAT T5 Compressor Discharge Thermistor CTT 9 2 Main Protection 8 2 1 Time delay for the compressor start up At the beginning of energizing or after the stop of the compressor certain time delay will be needed to start the compressor When switching over between cooling heating dehumidifying mode the compressor stops automatically 8 2 2 Sensor protection at open circuit and breaking disconnection 8 2 3 Phase check function If the phase sequence is detected wrong or lack of 1 or 2 phase the unit won t start and there is error code displayed on outdoor PCB 9 3 Operation Modes
31. refrigerant Replace indoor PCB Is there any blocking Such as the capillary or the welded points of the pipes Yes Clear the blocking 44 10 3 11 Indoor fan speed has been out of control Shut off the power supply and turn it on 5 seconds The unit operates normally Find out the cause and have it solved For example check later Is it still displaying NO gt the error code ves Y Shut off the power supply rotate the fan by hand No Does it rotate properly Yes Y Check the wires of fan motor Are all the No whether the fan is blocked or the bearing is broken Correct the connections connections good Yes y If the Check whether the fan motor is normal through No index 1 Replace the fan motor malfunction is m still existing replace the 45 main PCB Index 1 1 DC Fan Motor control chip is in 1 Release the UVW connector Measure the resistance of U V U W V W If the resistance is not equal to each other the fan motor must has problems and need to be replaced 46 10 3 12 Temperature protection of compressor discharge Temperature protection of compressor discharge Check whether the compressor discharge temp
32. ressure protection Yes Possible reason 1 The wires is loose to the pressure switch 2 The pressure switch is defective 3 Heat exchanger is dirty 4 Outdoor fan or fan blade is defective 5 Outdoor unit is bad ventilation B Refrigerant is too much 7 Air or other gas in the refrigerant 10 3 6 Low temperature protection Low temperature protection Possible reason 1 The outdoor ambient temp is low 2 The wires are loose to the temp sensor 3 The temp sensor is defective 4 The evaporator or the filter is dirty 5 System has block 10 3 7 Low pressure protection Low pressure protection Possible reason 1 The wires are loose to the pressure switch 2 The pressure switch is defective 3 System has refrigerant leakage 4 The evaporator or the filter is dirty 5 System has block 41 Checkif the voltage of the power supply is too low Check if the operation condition is normal especially the outdoor unit Yes e Check if the outdoor fan is defective NO Check if the compressor is running normally Yes Replace the man PCB problem remains Yes Yi L a Regulate the power supply Correctthe operation condition Replace the outdoor fan Replace the compressor Yes Replace the capillany There is some air mixed inside the Evacuate the system and refrigerant system recharge refrigerant 10 3 9 Indoor outdoor unit communication error 42
33. rge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the table disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m 18 Be sure to check for gas leakage 6 3 4 Adding the refrigerant after running the system for many years Indoor unit VIZON Liquid side E Outdoor unit ee a a 122 fm valve N ke 1 Open C C m pe L 3 d Y valve fm hy Charging cylinder Procedure 1 Connect the charge hose to the 3 way service port open the 2 way valve and the 3 way valve Connect the charge hose to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the c
34. roblem after trying the above pull out the power plug and call the dealer 38 10 3 1 Open or short circuit of temperature sensor Open or short circuit of temperature sensor Check connections between temperature sensor and PCB Are No Correct the connections the connections good Yes i Check the resistance value of the sensor via Appendix 1 Yes Replace indoor or outdoor PCB No Y Replace the sensor 10 3 2 Default phase of compressor Default phase of compressor Check the power supply is it 3 phase 380 420V Yes Check the connection between power supply and terminal is the voltage in outdoor terminal is phase 380 420 39 Outdoor PCB is defective 10 3 3 Phase sequence error Change the order of the wires to power supply Switch on the unit again If the problem cannot be solved the outdoor PCB is defective 10 3 4 High temperature protection of condenser High temperature protection of condenser Check the resistance of the temp sensor according to Appendix 1 is it normal Possible reason Replace the sensor Airor other gas in the refrigerant 1 2 exchanger is dirty 3 Outdoor fan or fan blade is defective 4 Outdoor unit is bad ventilation 5 6 Refrigerant is leakage Outdoor PCB is defective 10 3 5 High pressure protection 40 High p
35. stical time when reach the temperature condition Shut down or defrosting calculate time again 3 Accumulated time when temperature of outdoor heat exchanger coil T3 is below 3 C reaches to 80 minutes then consecutive 3 minutes less than 2 degrees Just for the AC is turn on whether or not the heating mode the temperature was detected start to statistical time when reach the temperature condition Shut down or defrosting calculate time again 4 Under evaporator high temperature protection the accumulated time when outdoor fan motor is off and compressor is on reaches up to over 90 minutes Shut down or defrosting or T3 is over 15 C calculate time again 31 Defrosting Action Four way valve indoor fan outdoor fan are shut down Compressor keeps on Compressor Indoor fan _ 105 Outdoor fan Four way valve 305 E6 4 gt Defrosting Agti colg air Ending Of Defrosting Condition meet one of the following is ok 1 Time of defrosting lasts 10 minutes 2 Temperature of outdoor coil T3 is up to 8 C and continues to 80 seconds 3 Temperature of outdoor coil T3 is up to 15 C 9 3 1 5 High evaporator coil temp T2 protection a Compressor off TE7 C Outdoor fan off TES C 9 Compressor outdoorfan on Model 7 8 9 AWSI SBFO48 N11 65 58 51 9 3 2 Cooling Mode 9 3 2 1 Four way valve is closed
36. teries have leaked 2 Specification Model Indoor Unit AWSI SBF048 N1 1 Model Outdoor Unit AWAU YSFO48 H13 Installation Method of Pipe Flared Characteristics Units Cooling Heating Rated Capacity kW 12 4 13 6 3 5 Input power kW 4 62 4 84 3 5 EER Energy Label W W 2 68 D 2 81 D Power supply V Ph Hz 380 415V 50Hz Circuit breaker rating A 25 Fan type amp quantity Centrifugal fan x1 Fan speeds H M L RPM 580 500 400 Air flow 9 H M L m3 hr 1850 1500 External static pressure Min Max Pa x Sound power level H M L dB A 66 Q Sound pressure level H M L dB A 56 48 Moisture removal 4 6 Dimensions WxHxD mm 550x1800x350 Weight kg 48 Package dimensions WxHxD mm 685x1910x540 Packaged weight kg 63 3 Stacking height units 6 Refrigerant control Capillary Compressor type model Scroll Fan type amp quantity Axial x 2 Fan speeds H L RPM 142 27 Air flow H L m3 hr 5600 Sound power level H L dB A 71 Sound pressure level H L dB A 61 Dimensions WxHxD mm 938x1369x392 Weight kg 111 a Package dimensions WxHxD mm 1095x1505x495 3 Packaged weight kq 123 4 Stacking height units 2 Refrigerant type R410A Refrigerant charge standard connecting tubing length kg 5m 3 3 Additional charge per 1 meter gr 1m 60 Liquid line In mm 1 2 12 7 Suction line In mm 3 4 19 Connect
37. the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 17 3 Adding the refrigerant if the pipe length gt 5 4 PEZON UNS Outdoor unit i vave N kai 7 EUM TE 22 40 side LM d VL awe E V UZ valve E mo ict 1 AN l dii Charging Ah cylinder CLOSE 6 Electronic scale Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure the liquid cha
38. tor coil temp T2 keeps lower than T2Coolln 4 for 8 minutes the compressor and outdoor fan will shut off When T2 is higher than T2CoolExit the compressor and outdoor fan will restart up 9 3 2 5 Condenser high temperature T3 protection When T3562 for seconds the compressor will shut off When lt 49 compressor will restart 34 9 3 3 Dehumidifying Mode 9 3 3 1 Indoor fan speed is low 9 3 3 2 Four way valve is closed the compressor and outdoor fan will operate the same as in cooling mode 9 3 4 Auto Mode 9 3 4 1 Under auto mode the indoor fan is set to be auto and the temperature 15 24 9 3 4 2 When entering auto mode the heating fan only or cooling operation will be automatically chosen according to the room temperature T1 and the set temperature Ts Condition Mode T1 Ts gt 1 C Cooling 1 lt T1 Tsx1 C Fan T1 Ts lt 1 C Heating fan for cooling only type 9 3 4 3 If certain condition is met then the corresponding protective function will be executed 9 3 5 Fan Only Mode 9 3 5 1 Temperature setting function is disabled and no setting temperature is displayed 9 3 5 2 Under this mode four way valve compressor and outdoor fan are shut down 9 3 5 3 High Low Auto fan can be switched over through manual control Auto fan will be controlled in line with cooling auto fan with temperature set to be 24 C 9 4 Other Functions 9 4 1 LCD display Mode Set temp fan speed t
39. vice unit be sure to read this service manual at first 1 2 Installation For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product by yourself Sharp edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator Be sure the installation area does not deteriorate with age Take care to ensure that power cable could not be pulled out or damaged during operation Do not place anything on the power cable Do not plug or unplug the power supply plug during operation Do not store or use flammable gas or combustible near the product When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable as soon as possible When the product is soaked flooded or submerged contact an Authorized service center Be caution that water could not enter the product Turn the main power off when cleaning or maintaining the product When the product is not be used for a long time disconnect the power supply plug or turn off the breaker 1 3 Caution Always check for gas refrigerant leakage after installation or repair of product Install the drain hose to ensure that water is drained away properly Keep level even when installing the product Do not instal
40. when these finished Use accessories to connect the pipes wires on both sides and back side Drain Pipe Refrigerant Pipe Joint Joint Pipe wire hole position on back side Wiring Refrigerant drain 35 Pipe hole 6 2 2 Outdoor Unit Pipe wire hole positions on both sides Wiring Refrigerant drain Hole 35 Pipe hole 85 Pipe wire hole position on the bottom T 1 F7 Refrigerant drain Pipe hole 1 Ship the a c to the installation place originally packed 2 Be careful while hanging the unit because the center of gravity of the unit is not centralized 3 Do not make the angle of inclination more than 45 degrees while shipping Avoid horizontal storage 4 Be sure the electric insulation work is well done if installed on metal ceiling wall Wide enough 5 Fix the unit feet with bolts M10 M8 sure the unit is fixed strongly enough to against blast or earthquake 6 Make a concrete basement to the unit by the following references A Air inlet Air inlet 1 Air outlet For the value of A please refer to the dimension part 6 3 Refrigerant pipe connection 6 3 1 Pipe length and the elevation The correct refrigerant quantity filled in the 5 meter long pipe of the outdoor unit is marked on the Product Data Plate If you have to use longer
41. ylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port 19 Use torque wrench to tighten the service cap to a torque of 18N m Be sure to check for gas leakage 6 3 5 Re installation while the indoor unit need to be repaired 1 Collecting the refrigerant into the outdoor unit A p EROTIC e za siae Outdoor unit LG way vave N EE Sys side yep mS w Close P Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position Be sure to use a hexagonal wrench to operate the valve stems 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Air purging of the charge hose Open the ha
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