Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Airwell AW-FWDB018-N91
Summary of Contents for Airwell AW-FWDB018-N91
- Page 1 SERVICE MANUAL FLOOR & CEILING English Manual Low temperature application 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.R32.SM.EN.03.06...
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Page 3: Table Of Contents
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 SUMMARY Part 1. Reference......................3 1. Model Names of Indoor/Outdoor Units ............... 4 2. External Appearance ..................... 5 3. Features........................... 5 Part2. Indoor Unit ....................... 6 Floor & Ceiling ......................6 1 Features ........................... 7 2 Specifications ........................9 3 Dimensions ........................ - Page 4 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part 4 Installation ..................... 32 1. Precaution on Installation ................... 33 2 Vacuum Dry and Leakage Checking ................. 34 3 Additional Refrigerant Charge ..................36 4 Water Drainage ......................37 4.1 Gradient and Supporting ..............37 4.2 Drainpipe Trap ...................
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Page 5: Part 1. Reference
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part 1. Reference 1. Model Names of Indoor/Outdoor Units ............... 4 2. External Appearance ..................... 5 3. Features .......................... 5... - Page 6 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 1. Model Names of Indoor/Outdoor Units 1.1 Indoor Units Dimension Net/Gross Model name Code Power supply (W×H×D) (mm) weight(kg) AW-FWDB018-N91 7SP012274 1245×680×240 34/40 220~240V-1Ph-50Hz AW-FWDB024-N91 7SP012275 1245×680×240 35/41 220~240V-1Ph-50Hz 1.2 Outdoor Units Dimension Net/Gross Model name...
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Page 7: External Appearance
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 2. External Appearance 2.1 Indoor unit Floor & Ceiling 2.2 Outdoor unit AW-YMDB018-H91 AW-YMDB024-H91 3. Features 3.1 Wide operation range, -15 for cooling and -15 for heating. 3.2Excellent in efficiency, SCOP higher than 3.8, meet the EU’s new energy efficiency standards. -
Page 8: Features
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 3 Features 1. Flexible 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. - Page 9 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 5. High efficiency DC fan motor, low noise and more comfortable. 6. New upper and lower buckle type wheel case, the upper plastic wheel case can be removed alone, which is convenient adjust the wheel motor. 7.
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Page 10: Specifications
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 2 Specifications Model AW-FWDB018-N91 AW-FWDB024-N91 Indoor power supply V/Ph/Hz 220~240/1/50 220~240/1/50 Capacity 2.0-5.3-5.6 3.5-7.0-8.0 Power input 420-1640-2100 600-2200-3000 Cooling Current input 2.1-10.1 2.5-9.8-13 3.23 3.18 SEER Capacity 2.5-5.9-6.0 4.5-7.7-8.5 Input 500-1530-1940 680-1980-2600 Heating Rated current 2.5-9.2 3.2-11... -
Page 11: Dimensions
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 3 Dimensions AW-FWDB018-N91 & AW-FWDB024-N91 1245 1119 4 Service Space... -
Page 12: Wiring Diagrams
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 5 Wiring Diagrams 5.1 AW-FWDB018-N91 & AW-FWDB024-N91 P T1 P T2 P T3... -
Page 13: Capacity Table
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 6. Capacity Table Cooling 6.1 AW-FWDB018-N91 6.2 AW-FWDB024-N91 All the data are measured at the wired controller setting temperature of 12℃. -
Page 14: Electric Characteristics
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Heating 6.3 AW-FWDB018-N91 MODEL AW-FWDB018-N91 HEATING OUTDOOR CONDITIONS 24ºC D 15ºC D 7ºC D 3ºC D -5ºC D -7ºC D -14ºC D Indoor Conditions 18ºC W 14ºC W 6ºC W 2ºC W -6ºC W -8ºC W -15ºC W... -
Page 15: Exploded View
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 8. Exploded View 8.1 AW-FWDB018-N91 & AW-FWDB024-N91 Part Name Part Name Rear cover with cotton Supporting board for motor Chassis assembly Weld assembly for intermediate transverse girder Electric box cover Right mounting plate of evaporator E-part box mat... -
Page 16: Accessories
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 9 Accessories Name Shape Quantity Installation fittings 1.Hanging arm 2. Wired controller Controller 3. Mounting screw (ST2.9×10-C-H) 4. Installation & operation Others instruction manual... -
Page 17: The Specification Of Power
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 10 The Specification of Power Model AW-FWDB018-N91 AW-FWDB024-N91 Indoor power supply V/Ph/Hz 220~240/1/50 Outdoor power supply V/Ph/Hz 220~240/1/50 Power Supply Method From outdoor unit Outdoor unit Power Supply Wire 3×12AWG 3×12AWG Indoor unit Power Supply Wire 4×14AWG... -
Page 18: Troubleshooting
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 12 Troubleshooting 12.1 Fault codes table Table 1: Wired controller Display Error description Display Error description Phase protection (reserve) Communication error between (reserve) outdoor unit and indoor unit Indoor room temperature (T1) (reserve) sensor error Outdoor unit current error cannot recover Indoor coil middle temperature (T2) sensor error... -
Page 19: Spot Check
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Table 2: LED display Error description Display content Indoor unit waiting for address assignment LED timer and running flash together (reserve) LED timer, running, protection, defrost flash together Communication error between outdoor unit and indoor unit LED timer flash quickly Fan motor stall protection LED timer flash slowly Indoor unit temperature sensor error... -
Page 20: Part 3 Outdoor Units
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part 3 Outdoor Units 1.Specification ..................20 2.Dimensions ..................21 3.Service Space ...................22 4.Wiring Diagrams ................23 5.Electric Characteristics ..............24 6.Operation Limits ................24 7.Sound Levels ..................25 8.Exploded View ...................25 9.Troubleshooting .................30... -
Page 21: Specification
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 1 Specification Model AW-YMDB018-H91 AW-YMDB024-H91 Outdoor power supply V/Ph/Hz 220~240/1/50 220~240/1/50 Capacity 2.0-5.3-5.6 3.5-7.0-8.0 Cooling Power input 340-1520-2020 540-2080-2940 Current input 1.7-9.7 2.2-12.7 Capacity 3.0-5.9-6.0 4.5-7.7-8.5 Heating Power input 420-1410-1860 560-1860-2540 Current input 2.1-8.8 5.2-10.7 Model SVB140 SVB200 Type... -
Page 22: Dimensions
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 2 Dimensions 2.1 AW-YMDB018-H91... -
Page 23: Service Space
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 2.2 AW-YMDB024-H91 3 Service Space... -
Page 24: Wiring Diagrams
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 4 Wiring Diagrams 4.1 AW-YMDB018-H91... -
Page 25: Electric Characteristics
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 4.2 AW-YMDB024-H91 5 Electric Characteristics Outdoor Unit Model Outdoor Voltage Min. Max. motor (kw) AW-YMDB018-H91 220~240V 0.072 AW-YMDB024-H91 220~240V 0.072 6 Operation Limits Operation mode Outdoor temperature (℃) Room temperature (℃) Cooling operation -15～50 12~32 Heating operation -15～30 12~32... -
Page 26: Sound Levels
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 7.Sound Levels Microphone Rear side (body height +1 )/2 m Model Power level dB(A) Pressure level AW-YMDB018-H91 AW-YMDB024-H91 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. -
Page 27: Exploded View
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 8. Exploded View 8.1 AW-YMDB018-H91... - Page 28 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part Name Part Name Repair board (with convex cover) with cotton Top cover plate parts patch assembly Electronic components Chassis components Outdoor inverter module integrated board Front panel (with plastic mesh) Terminal bedplate Left side panel Terminal 11.1 left side plate...
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Page 29: Aw-Ymdb024-H91
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 8.2 AW-YMDB024-H91... - Page 30 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part Name Part Name Top cover pasted with cotton components Seat plate Electronic components stop valve Integrated panel of outdoor inverter module stop valve (explosion proof) Terminal bedplate liquid accumulator Terminal maintenance panel Line pressing buttons inverter compressor Middle partition unit Chassis components...
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Page 31: Troubleshooting
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 9 Troubleshooting 9.1 Single phase unit Error code display Error Error Description Description code code Communication fault between IDU Current protection and ODU Bus voltage protection Zero cross detection fault of IDU Low temperature dehumidication fault stall fault of indoor fan T2B (indoor coil outlet temp.) sensor High and low temp. - Page 32 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Spot check table Running frequency Target frequency Unit A T1 Unit A T2 IDU A fan speed IDU A T2B IDU A EXV opening degree Capacity demand of IDU A Amended total capacity demand Unit B T1 Unit B T2 Unit B T2B Unit B fan speed...
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Page 33: Part 4 Installation
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part 4 Installation 1.Precaution on Installation ..............33 2.Vacuum Dry and Leakage Checking ..........34 3.Additional Refrigerant Charge ............36 4.Water Drainage .................37 5.Insulation Work ..................39 6.Test Operation ...................41... -
Page 34: Precaution On Installation
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 1. Precaution on Installation 1.1. Measure the necessary length of the connecting pipe and make it by the following way. a. Connect the indoor unit at first, then the outdoor unit. Bend the tubing in proper way. Do not harm them. CAUTIONS: ⚫... -
Page 35: Vacuum Dry And Leakage Checking
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 2 Vacuum Dry and Leakage Checking 2.1 Vacuum Dry: use vacuum pump to change the moisture (liquid) into steam (gas) in the pipe and discharge it out of the pipe to make the pipe dry. Under one atmospheric pressure, the boiling point of water (steam temperature) is 100℃. - Page 36 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Special vacuum dry procedure ②. ⚫ This vacuum dry method is used in the following conditions: ⚫ There’s moisture when flushing the refrigerant pipe. ⚫ Rainwater may enter the pipe. ⚫ Vacuum dry for the first time ······ 2h pumping ③.
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Page 37: Additional Refrigerant Charge
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 3 Additional Refrigerant Charge Caution ● Refrigerant cannot be charged until field wiring has been completed. ● Refrigerant may only be charged after performing the leak test and the vacuum pumping. ● When charging a system, care shall be taken that its maximum permissible charge is never exceeded, in view of the danger of liquid hammer. -
Page 38: Water Drainage
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 4 Water Drainage 4.1 Gradient and Supporting 4.1.1 Keep the drainpipe sloping downwards at a gradient of at least 1/100. Keep the drainpipe as short as possible and eliminate the air bubble. 4.1.2 The horizontal drainpipe should be short. When the pipe is too long, a prop stand must be installed to keep the gradient of 1/100 and prevent bending. -
Page 39: Drainage Test
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 4.5 Drainage test 4.5.1Drainage without drain pump After finishing drainpipe installation, pour some water into the water receiver plate to check if the water flows smoothly. 4.5.2 Drainage with drain pump ① Poke the Water Level Switch, remove the cover, use water pipe to pour 2000ml water into the water receipt plate through the water inlet. -
Page 40: Insulation Work
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 5 Insulation Work 5.1 Insulation material and thickness 5.1.1. Insulation material Insulation material should adopt the material which is able to endure the pipe’s temperature: no less than 70℃ in the high-pressure side, no less than 120℃ in the low-pressure side (For the cooling type machine, no requirements at the low-pressure side.) Example: Heat pump type----Heat-resistant Polyethylene foam (withstand above ◆... -
Page 41: Drainage Pipe Insulation
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 For construction convenience, before laying pipes, use insulation material to insulate the pipes to be deal with, at the same time, at two ends of the pipe, remain some length not to be insulated, in order to be welded and check the leakage after laying the pipes. -
Page 42: Test Operation
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 6. Test Operation (1) The test operation must be carried out after the entire installation has been completed. (2) Please confirm the following points before the test operation. ⚫ The indoor unit and outdoor unit are installed properly. ⚫... -
Page 43: Part 5 Controller
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 Part 5 Controller 1.Wired Controller ........... Erreur ! Signet non défini. -
Page 44: Wired Controller
20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01 1 Wired Controller... - Page 45 20AW-SERVICE MANUAL FWDB R32-EN-20200120-Rev01...
- Page 46 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...
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