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Airwell AW-FWDB018-N91, Service Manual

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Airwell AW-FWDB018-N91 Service Manual Download Page 1

Service

 Manual

FWDB 

 Low temperature 

f

loor ceiling 

R32

English

IMPORTANT NOTE:

Read this manual carefully before installing or operating your new air conditioning unit. Make sure to 

save this manual for future reference.

20.AW.FWDB.18-24.SM.EN.10.05

Summary of Contents for AW-FWDB018-N91

Page 1: ...w temperature floor ceiling R32 English IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference 20 AW FWDB 18 24 SM EN 10 05 ...

Page 2: ...oded View 19 9 Accessories 21 10 The Specification of Power 22 11 Field Wiring 23 12 Troubleshooting 24 Part 3 Outdoor Units 26 1 Specification 27 2 Dimensions 29 3 Service Space 29 4 Wiring Diagrams 30 5 Electric Characteristics 32 6 Operation Limits 33 7 Sound Levels 34 8 Exploded View 35 9 Troubleshooting 39 Part 4 Installation 42 1 Precaution on Installation 43 2 Vacuum Dry and Leakage Checkin...

Page 3: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 1 Part1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 3 Features 5 R32 50Hz Floor ceiling series ...

Page 4: ... W H D mm Net Gross weight kg Power supply AW FWDB018 N91 1050 675 235 26 5 31 220 240V 1Ph 50Hz AW FWDB024 N91 1050 675 235 26 5 31 220 240V 1Ph 50Hz 1 2 Outdoor Units Model name Net Gross weight kg Power supply AW YMDB018 H91 32 5 35 220 240V 1Ph 50Hz AW YMDB024 H91 48 7 52 6 220 240V 1Ph 50Hz Dimension W H D mm 880 555x345 935 702x382 ...

Page 5: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 3 2 External Appearance 2 1 Indoor unit Floor Ceiling ...

Page 6: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 4 AW YMDB018 H91 AW YMDB024 H91 2 2 Outdoor unit ...

Page 7: ...y efficiency standards 4 3 High quality coils The coil is constructed of advanced inner grooved copper tube and aluminum fins 4 4 Low operation sound level Well known stable and quiet running DC fan motor 4 5 Well known compressor GMCC and Mitsubishi 4 6 Universal design convenient for market stock and spare parts stock 4 8 R32 is environment friendly refrigerant 4 9 CE certification ROHS certific...

Page 8: ...door Unit Floor Ceiling 1 Features 7 2 Specifications 10 3 Dimensions 12 4 Service Space 13 5 Wiring Diagrams 14 6 Capacity Table 15 7 Electric Characteristics 18 8 Exploded View 19 9 Accessories 21 10 The Specification of Power 22 11 Field Wiring 23 12 Troubleshooting 24 ...

Page 9: ...installation ceiling suspended and floor standing 2 Adopting centrifugal fans higher ESP and longer air flow distance 3 Two way auto swing function built in two louver step motors vertical and horizontal air flow adjustment 4 Washable air filter vertical and horizontal grille for option ...

Page 10: ...cy DC fan motor low noise and more comfortable 7 New upper and lower buckle type wheel case the upper plastic wheel case can be removed alone which is convenient adjust the wheel motor 8 Water pump optional pumping head is up to 700mm 9 Adopting waterproof plastic film on water collector avoiding water leakage ...

Page 11: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 9 10 Self diagnostic function and multi protection Auto restart function 11 Standard for wireless controller ...

Page 12: ... 52 AW FWDB018 N91 220 240 1 50 2 0 5 3 5 6 6 1 A 325 2 2 5 3 5 8 4 0 A 1800 75 0 3 5300 4000 75 1225 1080 930 E 2 21 13 37 1 4 Hydrophilic Ф7 inner grooved 680x252x26 7 2 1200 48 52 V Ph Hz KW Model Indoor power supply kWh annum KW kWh annum W A W W W μF r min mm mm mm mm Body mm Body mm Body Kg Capacity SEER Energy efficiency class Year Consumption Capacity SCOP Energy efficiency class Year Cons...

Page 13: ...oling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent ref Piping 5m horizontal 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 CWB Equivalent ref Piping 5m horizontal 3 Actual noise level may differ depending on the room structure etc since these noise values are from an anechoic ro...

Page 14: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 12 3 Dimensions AW FWDB018 N91 AW FWDB024 N91 A C B D E F Model kBtu h A mm B mm C mm D mm E mm F mm 18 24 1050 675 235 933 440 188 ...

Page 15: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 13 4 Service Space ...

Page 16: ... 6 90 105 36K 4 70 24K 5 30K 7 8 125 42K 9 140 48K 160 55K C 180 A 150 52K B 60K D E F Reserved Reserved HP Reserved 0 8 1 0 1 5 2 0 3 0 3 5 4 0 2 5 4 5 5 0 6 0 6 5 5 5 Reserved 1 7 47 16K 1 OFF ON 1 OFF ON That DIP to OFF That DIP to ON NOTE SW2 1 2 3 4 5 6 7 8 OFF ON FACTORY DEFAULT Indoor models Low static pressure duct unit Indoor models Select bits 1 2 OFF ON OFF ON OFF ON OFF ON 1 2 1 2 1 2 ...

Page 17: ...put kW 1 42 1 43 1 45 1 46 1 51 1 56 1 61 24ºC D 17ºC W Total capacity kW 5 25 5 22 5 18 5 15 5 10 5 06 5 03 Input kW 1 44 1 45 1 46 1 48 1 54 1 58 1 63 27ºC D 19ºC W Total capacity kW 5 41 5 38 5 34 5 30 5 26 5 22 5 18 Input kW 1 45 1 46 1 48 1 50 1 55 1 61 1 65 29ºC D 21ºC W Total capacity kW 5 48 5 44 5 40 5 36 5 32 5 28 5 24 Input kW 1 47 1 49 1 51 1 53 1 57 1 63 1 67 32ºC D 23ºC W Total capac...

Page 18: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 16 6 2 AW FWDB024 N91 ...

Page 19: ...5 1 34 1 28 27ºC Capacity kW 5 8 5 84 5 82 5 65 5 4 5 32 4 79 Input kW 1 61 1 46 1 42 1 40 1 38 1 37 1 30 MODEL AW FWDB024 N91 HEATING OUTDOOR CONDITIONS Indoor Conditions 24ºC D 18ºC W 15ºC D 14ºC W 7ºC D 6ºC W 3ºC D 2ºC W 5ºC D 6ºC W 7ºC D 8ºC W 14ºC D 15ºC W 15ºC Capacity kW 7 95 7 83 7 81 7 58 7 25 7 14 6 43 Input kW 1 95 1 85 1 80 1 78 1 74 1 73 1 64 18ºC Capacity kW 7 9 7 78 7 75 7 53 7 2 7 ...

Page 20: ...rature floor ceiling Technical Manual R32 50Hz 7 Electric Characteristics Model Indoor Units Indoor Fan Motor Hz Voltage Min Max kW AW FWDB018 N91 50 220 240V 198 254 0 075 AW FWDB024 N91 50 220 240V 198 254 0 075 18 ...

Page 21: ...mbly 7 Rear cover 23 1 Return air grille 8 Chassis components 23 2 Filter 9 Stepper motor 23 3 Grille buckle 10 Right cover 23 4 Grille screw cover 11 Indoor electric control box assembly 24 Top cover assembly 11 1 Indoor main PCB 25 Stepper motor vertical 12 Right side panel assembly 26 Louver connecting rod fixing structure 1 13 Electric control box cover 27 Louver connecting rod 14 Support bar ...

Page 22: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 19 1 Evaporator pre welded components 34 Installation lifting ears 19 1 1 Evaporator components 35 Temperature sensor group 20 ...

Page 23: ...0Hz 9 Accessories Installation fittings Name Shape Quantity 1 Hanging arm 2 Controller 2 Wired Remote 1 3 Remote controller holder optional 1 5 Mounting screw ST2 9 10 C H 2 6 Alkaline dry batteries AM4 2 Others 7 Installation operation instruction manual 1 21 ...

Page 24: ... Power Model 22 AW FWDB018 N91 AW FWDB024 N91 220 240 1 50 220 240 1 50 From outdoor unit 4 16AWG 3 14AWG 4 1 5 4 1 5 4 16AWG 3 14AWG Outdoor unit Power Supply Wire Indoor unit Power Supply Wire Signal wiring Method Power Supply V Ph Hz V Ph Hz Indoor power supply Outdoor power supply ...

Page 25: ...RFWDB Low temperature floor ceiling Technical Manual R32 50Hz 11 Field Wiring Applies to 220 240V 50Hz 3 5kW 5 3kW 7 1kW 23 ...

Page 26: ...lights flash F4 Outside ambient temperature T4 sensor error F5 Discharge temperature T5 sensor error P9 Outdoor fan motor protection E5 Outdoor unit error FE Outdoor EEPROM error F6 Condenser temperature T3 sensor error P5 Condenser temperature T3 too high protection PA Anti typhoon protection L1 DC side over voltage PE DC side over current EF Mode conflict P6 Inverter IPM protection H6 3 times P4...

Page 27: ...T4 amendment Reserved 4 Indoor unit capacity demand after T2 amendment Reserved 5 Room temperature T1 value 6 Middle of evaporator temperature T2 value 7 Outlet of evaporator temperature T2B value 8 Condenser temperature T3 value 9 Ambient temperature T4 value 10 Discharge temperature T5 value Max 99 C displayed 11 EXV opening degree 12 Frequency of compressor 13 AC side voltage value 4 Reserved 2...

Page 28: ... Technical Manual R32 50Hz Part 3 Outdoor Units 26 1 Specifications 27 2 Dimensions 29 3 Service Space 29 4 Wiring Diagrams 30 5 Electric Characteristics 32 6 Operation Limits 33 7 Sound Levels 34 8 Exploded View 35 9 Troubleshooting 39 ...

Page 29: ...oor noise level power level pressure level Outdoor unit Dimension W H D Packing W H D Net Gross weight Refrigerant type quantity Throttle part AW YMDB018 H91 220 240 1 50 300 1495 3220 1 3 6 5 14 250 1380 3335 1 1 6 0 14 5 3680 16 0 DC Single rotary 10 120 4370 1135 7 5 VG74 440 34 860 E 2 25 21 65 1 4 Hydrophilic 9 52 inner grooved 815x500x43 3 2 1950 66 52 880 555 345 920 600 380 32 5 35 R32 120...

Page 30: ...echnical Manual R32 50Hz Signal wiring mm2 4 1 5 4 1 5 Refrigerant piping Liquid side Gas side mm Φ6 35 Φ12 7 Φ9 52 Φ15 88 Max pipe length m 15 30 20 50 Max high drop m 8 20 10 25 Ambient temp Cooling C 15 50 15 50 Heating C 15 30 15 30 28 ...

Page 31: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 2 Dimensions 2 1 AW YMDB018 H91 AW YMDB024 H91 3 Service Space 29 ...

Page 32: ...RFWDB Low temperature floor ceiling Technical Manual R32 50Hz 4 Wiring Diagrams 4 1 AW YMDB018 H91 L N L1 N1 S Reserved L N L1 N1 S 30 ...

Page 33: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 4 2 AW YMDB024 H91 31 ...

Page 34: ...erature floor ceiling Technical Manual R32 50Hz 5 Electric Characteristics Model Outdoor Unit Hz Voltage Min Max Outdoor motor kW AW YMDB018 H91 50 220 240V 198 254 0 034 AW YMDB024 H91 50 220 240V 198 254 0 075 32 ...

Page 35: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 6 Operation Limits Operation mode Outdoor temperature Room temperature Cooling operation 15 50 16 32 Heating operation 15 30 16 32 33 ...

Page 36: ...18kBtu h 24kBtu h 1 m 1 2 m Front side Rear side Microphone 1 m body height 1 2 m Microphone Model Power level dB A Pressure level AW YMDB018 H91 66 52 AW YMDB024 H91 68 54 Note Sound level is measured at a point 1 m in front of the unit at a height of Unit body height 1 2 m 34 ...

Page 37: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 8 Exploded Views 8 1 AW YMDB018 H91 35 ...

Page 38: ... PCB 4 1 Condenser 14 Separating board 4 2 Condenser input pipe assembly 15 Top cover parts 4 3 Condenser connection pipe 16 Left clapboard 4 4 L type tube 17 Motor bracket assembly 4 5 Process channel 18 Axial flow fan blade 4 6 Probe of copper pipe 19 Outdoor DC fan motor 5 Capillary parts 20 Front panel 5 1 Electronic expansion valve 21 Air outlet net cover plastic 5 2 Electronic expansion valv...

Page 39: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 8 2 AW YMDB024 H91 37 ...

Page 40: ... Motor bracket assembly 4 Outdoor chassis assy 19 Axial flow fan blade 5 Inverter compressor 20 Outdoor DC fan motor 6 Cut off valve DN13 21 Left side panel 7 Valve holder 22 Condenser parts 8 Cut off valve DN8 22 1 Condenser assembly 9 Stop valve cover 22 2 Gas collecting pipe assembly 10 Right side panel parts 22 3 Shunt component 11 Big handle 23 Front panel components 12 Outdoor electronic con...

Page 41: ... P28 Abnormal discharge in commodity inspection mode compressor reversal E12 IDU T2 indoor coil middle temp sensor fault P29 T3 abnormal in commodity inspection heating mode System exception 4 way valve disconnected E13 ODU T3 outdoor coil outlet temp sensor fault P30 High pressure protection E14 ODU T4 ambient temp sensor fault P31 Low pressure protection E15 ODU discharge temp sensor fault H1x C...

Page 42: ...1 b2 Unit B T2 bb Unit B T2B bS Unit B fan speed bL Unit B EXV opening degree bn Capacity demand of IDU B TH Suction temperature T3 Outdoor unit pipe temperature T4 Ambient temperature TP Discharge temperature T6 IPM board temperature od Mode dT Outdoor load target state CC Quantity of IDU Ud DC voltage dL Current Pr Outdoor unit fan speed Lr Master EXV opening degree Notice For 18K units an addit...

Page 43: ...ation by voltage H21 36 Compressor failure L0B Evaporator limitation by condenser temperature P01 High pressure protection L0C Frequency limitation by condenser temperature P02 Low pressure protection LOD Frequency limitation by discharge temperature P03 AC DC over current protection L0E Frequency limitation by IPM module high temperature P04 Excessive exhaust temperature protection L0F Frequency ...

Page 44: ...oor ceiling Technical Manual R32 50Hz Part 4 Installation 42 1 Precaution on Installation 43 2 Vacuum Dry and Leakage Checking 44 3 Additional Refrigerant Charge 46 4 Water Drainage 47 5 Insulation Work 50 6 Test Operation 52 ...

Page 45: ...If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection c Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit Then fasten the nuts at the repair points 1 2 Locate The Pipe a Drill a hole in the wall suitable...

Page 46: ...nstruction environment common vacuum dry special vacuum dry Common vacuum dry procedure Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pipe and run the vacuum pump more than two hours the vacuum pump should be below 755mmHg If the pump can t achieve below 755mmHg after pumping 2 hours moisture or leakage point will still exist in the pipe At this...

Page 47: ...or the second time Fill nitrogen to 0 5Kgf cm2 Because nitrogen is for drying gas it has vacuum drying effect during vacuum destroy But if the moisture is too much this method can t dry thoroughly So please pay more attention to prevent water entering and forming condensation water Vacuum dry for the second time 1h pumping Determinant Pass if achieving below 755mmHg If 755mmHg can t be achieved in...

Page 48: ...ance may cause explosions and accidents so always ensure that the appropriate refrigerant is charged Refrigerant containers shall be opened slowly Always use protective gloves and protect your eyes when charging refrigerant The outdoor unit is factory charged with refrigerant Calculate the added refrigerant according to the diameter and the length of the liquid side pipe of the outdoor unit indoor...

Page 49: ...st The drainpipe should be heat insulated to prevent atomization Drainpipe should be installed before installing indoor unit After powering on there is some water in water receiver plate Please check if the drain pump can operate correctly All connection should be firm Wipe color on PVC pipe to note connection Climbing horizontal and bending conditions are prohibited The dimension of drainpipe can...

Page 50: ...in pipe overlong 4 4 2 Indoor unit with drain pump and indoor unit without drain pump should be in different drainage system 4 4 3 Selecting the diameter Number of connecting indoor units Calculate drainage volume Select the diameter Calculate allowed volume Total cooling capacity of indoor units HP 2 l hr Allowed volume lean 1 50 l hr I D mm Thick Hard PVC 14 25 3 0 Hard PVC 14 88 30 3 5 Hard PVC...

Page 51: ...same time to check if the water can discharge normally Stop the air conditioner running turn off the power and put back the cover Stop the air conditioner After 3 minutes check if it has abnormity If the collocation of drainpipes is illogical the water will flow back overfull which will cause the alarm lamp flashes even overflow from the water receipt plate Keep on pouring water until it gives an ...

Page 52: ...ove 100 5 1 2 Thickness choice for insulation material Insulation material thickness is as follows Pipe diameter mm Adiabatic material thickness Refrigerant pipe Φ6 4 Φ25 4 10mm Φ28 6 Φ38 1 15mm Drainage pipe Inner diameterΦ20 Φ32 6mm 5 2 Refrigerant pipe insulation 5 2 1 Work Procedure Before laying the pipes the non jointing parts and non connection parts should be heat insulated When the gas pr...

Page 53: ... after checking leakage of the pipes Make sure there s no clearance in the joining part of the accessorial insulation material and local preparative insulation material 5 3Drainage pipe insulation The connection part should be insulated or else water will be condensing at the non insulation part 5 4Note 5 4 1 The jointing area expanding area and the flange area should be heat insulated after passi...

Page 54: ...d The air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation Set the air conditioner under the mode of COOLING with the remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether t...

Page 55: ...RFWDB Low temperature floor ceiling Technical Manual R32 50Hz Part 5 Controller 53 1 Wired Controller 54 ...

Page 56: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz Telecommande filaire RCW23 1 Wired Controller 54 ...

Page 57: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 55 ...

Page 58: ... Consult with the sales agency or manufacturer for details ATTENTION Le design et les données techniques sont donnés à titre indicatif et peuvent être modifiés sans préavis AIRWELL RESIDENTIAL SAS 10 Rue du Fort de Saint Cyr 78180 Montigny le Bretonneux France www airwell com 20 AW FWDB 18 24 SM EN 10 05 ...

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