Airwell DFMD-100N-01M25 Service Manual
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Airwell DFMD-100N-01M25 Service Manual

Middle static pressure duct air conditioner dfmd r410a on off
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Service Manual
MIDDLE STATIC PRESSURE DUCT AIR CONDITIONER
DFMD R410A ON OFF
English Manual
DFMD-100N-01M25 / YFAD-100R-01M25
DFMD-100N-01T35 / YFAD-100R-01T35
DFMD-140N-01M25 / YFAD-140R-01T35
DFMD-160N-01M25 / YFAD-160R-01T35
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
21.AW.DFMD.100-160.R410A.SM.EN.1115.V01

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Summary of Contents for Airwell DFMD-100N-01M25

  • Page 1 Service Manual MIDDLE STATIC PRESSURE DUCT AIR CONDITIONER DFMD R410A ON OFF English Manual DFMD-100N-01M25 / YFAD-100R-01M25 DFMD-100N-01T35 / YFAD-100R-01T35 DFMD-140N-01M25 / YFAD-140R-01T35 DFMD-160N-01M25 / YFAD-160R-01T35 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
  • Page 3 Content Part 1 General Information................1 Part 2 Indoor Units....................6 Part 3 Outdoor Units..................37 Part 4 Installation....................52 Part 5 Electrical Control System..............94 ※The specifications, designs, and information in this book are subject to change without notice for product improvement. Contents...

  • Page 5: Table Of Contents

    General Information Part 1 General Information 1. Model Lists..................2 2. External Appearance..............4 2.1 Indoor Units......................4 2.2 Outdoor Units......................5 General Information...

  • Page 6: General Information

    Model Lists 1. Model Lists 1.1 Indoor Units R410A Capacity multiplied by 1000Btu/h Type Function ● ● Cooling only Four-way cassette(compact) ● ● Cooling and heating ● ● ● ● ● ● Cooling only Super-slim 4-way cassette ● ● ● ●...
  • Page 7 Model Lists 1.2 Outdoor Units General Information...

  • Page 8: External Appearance

    External Appearance 2. External Appearance 2.1 Indoor Units Ceiling & floor type A6 Middle static pressure duct General Information...

  • Page 9: Outdoor Units

    External Appearance 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information...
  • Page 10 Indoor Units Part 2 Indoor Units A6 Duct Type................7 Ceiling & Floor Type..............2 5 Indoor Units...
  • Page 11 A6 Duct Type A6 Duct Type 1. Features..................8 2. Dimensions................10 3. Service Space................. 11 4. Wiring Diagrams..............12 5. Static Pressure............... 16 6. Electric Characteristics............18 7. Sound Levels................19 8. Accessories................20 9. The Specification of Power..........21 10. Field Wiring................23 A6 Duct Type...

  • Page 12: Features

    Features 1. Features 1.1 Slim Design The industry Lowest height is designed to be fitted into tight roof spaces.  *18K unit - 210mm,24K/30K unit - 249mm，36K unit -300mm 1.3 Flexible Air Intake Way (Bottom side or Rear side) The frame size of air inlet in rear and bottom is the same. It’s very easy to switch to match different ...
  • Page 13 Features A6 Duct Type...

  • Page 14: Dimensions

    Dimensions 2. Dimensions Note: standard product without filter Unit: mm Size of install Outline dimension(mm) Air outlet opening size Air return opening size Size of refrigerant pipe hanger Model 24K~36K 1100 1001 1140 48K~60K 1200 1044 1101 1240 Duct Type...

  • Page 15: Service Space

    Service Space 3. Service Space Ensure enough space required for installation and maintenance. There is enough space for installation and maintenance. The ceiling is horizontal, and its structure can endure the weight of the indoor unit. The outlet and the inlet are not impeded, and the influence of external air is the least.

  • Page 16: Wiring Diagrams

    4. Wiring Diagrams Wiring Diagrams DFMD-100N-01M25 DFMD-100N-01T25 A6 Duct Type...
  • Page 17 Wiring Diagrams DFMD-140N-01M25 Duct Type...
  • Page 18 Wiring Diagrams DFMD-160N-01M25 A6 Duct Type...
  • Page 19 Wiring Diagrams DFMD-100N-01T35,DFMD-160N-01M25 DFMD-140N-01M25 Duct Type...

  • Page 20: Static Pressure

    Static Pressure Static Pressure Duct Type...
  • Page 21 Static Pressure 30K,36K 48K, 60K A6 Duct Type...

  • Page 22: Electric Characteristics

    Electric Characteristics lectric Characteristics Power Supply Indoor Units Model Voltage Min. Max. DFMD-100N-01M25 220-240V 198V 254V DFMD-100N-01T35 220-240V 198V 254V DFMD-140N-01M25 380-415V 198V 254V DFMD-160N-01M25 380-415V 198V 254V Note: MFA: Max. Fuse Amps. (A) Duct Type...

  • Page 23: Sound Levels

    Sound Levels 7. Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone A6 Duct Type...

  • Page 24: Accessories

    Accessories 8. Accessories Name Shape Quantity Soundproof/insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling &heating units) Seal ring Wire controller Wire controller Owner's manual others Installation manual Duct Type...

  • Page 25: The Specification Of Power

    The Specification of Pow 9. The Specification of Power Heating pump: Model(KBtu/h) 30-36 Phase 1-phase 1-phase 1-phase Power Frequency and Voltage 220-240V, 50Hz Circuit Breaker/ Fuse (A) 25/20 32/25 50/40 Indoor Unit Power Wiring (mm 3×2.5 3×2.5 Ground Wiring Outdoor Unit Power Wiring 3×2.5 3×2.5 3×4.0...
  • Page 26 Field Wiring Duct Type...

  • Page 27: Field Wiring

    10. Field Wiring Field Wiring DFMD-100N-01M25M,DFMD-160N-01M25 A6 Duct Type...
  • Page 28 Field Wiring DFMD-140N-01M25,DFMD-160N-01M25 Duct Type...
  • Page 29 Ceiling & Floor Type Ceiling & Floor Type 1. Features..................26 2. Dimensions................27 3. Service Space................. 28 4. Wiring Diagram............... 29 5. Electric Characteristics............31 6. Sound Levels................ 32 7. Accessories................33 8. The Specification of Power..........34 9. Field Wiring................35 Ceiling & Floor Type...

  • Page 30: Features

    Features Features 1.1. New design, more modern and elegant appearance. 1.2. Convenient installation --The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow --It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as one lighting.

  • Page 31: Dimensions

    Dimensions Dimensions 2- 33 Wiring connection port 2- 40 Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm Capacity (Btu/h) 12~24K 1068 30~36K 1285 1200 48~60K 1650 1565 Ceiling & Floor Type...

  • Page 32: Service Space

    Service Space Service Space Ceiling & Floor Type...

  • Page 33: Wiring Diagram

    Wiring Diagram Wiring Diagram FFMD-100N-01T25 FFMD-100N-01M25 Ceiling & Floor Type...
  • Page 34 Wiring Diagram FFMD-140N-01M25 FFMD-160N-01M25 Ceiling & Floor Type...

  • Page 35: Electric Characteristics

    Electric Characteristics Electric Characteristics Remark: MFA: Max. Fuse Amps. (A) Ceiling & Floor Type...

  • Page 36: Sound Levels

    Sound Levels Sound Levels Microphone 1.5m Air outlet side Microphone Ceiling Floor Ceiling & Floor Type...

  • Page 37: Accessories

    Accessories Accessories 1. Remote controller Remote controller & Its 2. Remote controller holder holder 3. Mounting screw (ST2.9×10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual Others 6. Installation manual 7. Remote controller manual Ceiling & Floor Type...

  • Page 38: The Specification Of Power

    Accessories The Specification of Power Model FFMD-100N-01M25 Phase 1-phase Power Frequency and Voltage 220-240V, 50Hz Circuit Breaker/ Fuse (A) 50/40 Indoor Unit Power Wiring (mm Ground Wiring Outdoor Unit Power Wiring 3×4.0 Indoor/Outdoor Connecting Wiring (mm Strong Electric Signal 1×1.0/3×1.5 Weak Electric Signal (2×0.2) Heating pump:...

  • Page 39: Field Wiring

    Field Wiring Field Wiring FFMD-100N-01T25 Ceiling & Floor Type...
  • Page 40 FFMD-140N-01M25，FFMD-160N-01M25 Ceiling & Floor Type...
  • Page 41 Outdoor Units Part 3 Outdoor Units 1. Dimensions................38 2. Service Space............... 40 3. Piping Diagrams..............42 4. Wiring Diagrams..............44 5. Electric Characteristics............49 6. Operation Limits..............50 7. Sound Levels.................51 Outdoor Units...

  • Page 42: Dimensions

    Dimensions 1.Dimensions Unit：mm Model YFAD-100R-01M25 1030 YFAD-100R-01T35 Outdoor Units...
  • Page 43 Dimensions Unit：mm Model YFAD-140R-01T35 1170 YFAD-160R-01T35 1170 Outdoor Units...

  • Page 44: Service Space

    Service Space 2.Service Space (Wall or obstacle) Air inlet More than 30cm More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units...
  • Page 45 Piping Diagrams 3.Piping Diagrams INDOOR OUTDOOR LIQUID SIDE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE COMPRESSOR INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE T3 Condenser temp.

  • Page 46: Piping Diagrams

    Piping Diagrams YFAD-100R-01M25 INDOOR OUTDOOR LIQUID SIDE Throttle orifice 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T1 Room temp. EXCHANGE sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE High pressure 3-WAY VALVE switch Low pressure switch COOLING Compressor...
  • Page 47 Piping Diagrams YFAD-100R-01T35 YFAD-140R-01T35 INDOOR OUTDOOR LIQUID SIDE Throttle orifice 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T1 Room temp. EXCHANGE sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE High pressure 3-WAY VALVE Accumulator switch T5 Discharge Low pressure temp.

  • Page 48: Wiring Diagrams

    Wiring Diagrams 4.Wiring Diagrams 12k,18K...
  • Page 49 Wiring Diagrams Outdoor Units...
  • Page 50 Wiring Diagrams YFAD-100R-01M25 Outdoor Units...
  • Page 51 Wiring Diagrams YFAD-100R-01T35 YFAD-140R-01T35 Outdoor Units...
  • Page 52 Wiring Diagrams YFAD-160R-01T35 Outdoor Units...

  • Page 53: Electric Characteristics

    Electric Characteristics 5.Electric Characteristics Outdoor Unit Power Supply Model Voltage Min. Max. YFAD-100R-01M25 220~240V 198V 254V 380~415V 342V 436V YFAD-100R-01T35 380~415V 342V 436V YFAD-140R-01T35 380~415V 342V 436V YFAD-160R-01T35 Notes: MFA: Max. Fuse Amps. (A) Outdoor Units...

  • Page 54: Operation Limits

    Operation Limits 6.Operation Limits Temperature Cooling operation Heating operation Mode Room temperature 17℃～32℃ 0℃～30℃ 18℃～43℃ （-7℃～43℃：For the Outdoor temperature -7℃～24℃ models with low temperature cooling system） Cooling Heating With Low Ambient Cooling System Indoor temperature( ℃ WB) Indoor temperature( ℃ WB) Outdoor Units...

  • Page 55: Sound Levels

    Sound Levels 7.Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise level dB(A) YFAD-100R-01M25 YFAD-100R-01T35 YFAD-140R-01T35 YFAD-160R-01T35 Outdoor Units...
  • Page 56 Installation Part 4 Installation 1. Installation Procedure............53 2. Location selection..............54 3. Indoor unit installation............55 4. Outdoor unit installation (Side Discharge Unit)... 8 4 5. Refrigerant pipe installation..........6. Drainage pipe installation........... 8 6 7. Vacuum Drying and Leakage Checking......90 8. Additional refrigerant charge..........91 9.

  • Page 57: Installation Procedure

    Installation Procedure 1. Installation Procedure Indoor unit installation Outdoor unit installation location selection location selection Indoor unit installation Outdoor unit installation Refrigerant pipe Refrigerant pipe installation and insulation installation and insulation Drainage pipe installation Drainage pipe installation and insulation and insulation Vacuum drying and leakage checking Additional refrigerant charge Insulation the joint part of refrigerant pipe...

  • Page 58: Location Selection

    Location selection 2. Location selection 2.1 Indoor unit location selection  The place shall easily support the indoor unit’s weight.  The place can ensure the indoor unit installation and inspection.  The place can ensure the indoor unit horizontally installed. ...

  • Page 59: Indoor Unit Installation

    Indoor unit installation 3. Indoor unit installation 3.1 Compact cassette indoor unit installation 3.1.1 Service space for indoor unit 3.1.2 Bolt pitch 3.1.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling.
  • Page 60 Indoor unit installation Face the concave side of the installation hooks toward the expansible hooks. Determine the length of the installation hooks from the height of ceiling, then cut off the unnecessary part. If the ceiling is extremely high, please determine the length of the installation hook depending on the real situation.
  • Page 61 Indoor unit installation 3.1.5 Install the panel Remove the grille Hang the panel to the hooks on the mainbody. Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
  • Page 62 Indoor unit installation Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively. Note: The panel shall be installed after the wiring connected. 3.2 Super-slim cassette indoor unit installation 3.2.1 Service space for indoor unit Model...
  • Page 63 Indoor unit installation 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 64 Indoor unit installation Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position well. 3.2.5 Install the panel Remove the grille Remove the 4 corner covers. Hang the panel to the hooks on the mainbody. If the panel is with auto-lift grille, please watch the ropes lifing the grille, DO NOT make the ropes enwinded or blocked.
  • Page 65 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
  • Page 66 Indoor unit installation Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively. Install the 4 corner covers back. Note: The panel shall be installed after the wiring connected. 3.3 A5 duct indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch...
  • Page 67 Indoor unit installation Size of outline dimension mounted plug Capacity (KBtu) 9/12 30/36 1180 48/60 1240 3.3.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 68 Indoor unit installation 3.3.5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws. 3.3.6 Install the air duct Please design the air duct as below recommended picture 3.3.7 Change the air inlet direction ①...
  • Page 69 Indoor unit installation ③ When install the filter mesh, please plug it into flange inclined from air return opening, and then push up. ④ The installation has finish, upon filter mesh which fixing blocks have been insert to the flange positional holes.
  • Page 70 Indoor unit installation Size of outline dimension mounted plug Capacity 24K~36K 1140 48K~60K 1240 3.4.3 Hang indoor unit 1.Please refer to the upper data to locate the four positioning screw bolt hole on the ceiling. Be sure to mark the areas where ceiling hook holes will be drilled. 2.
  • Page 71 Indoor unit installation Note: Confirm the minimum drain tilt is 1/100 or more. 3.4.4 Duct and accessories installation 1. Install the filter(optional) according to air inlet size. 2. Install the canvas tie-in between the body and duct. 3. Air inlet and air outlet duct should be apart far enough to avoid air passage short-circuit. 4.
  • Page 72 Indoor unit installation ③ When install the filter mesh, please plug it into flange as shown in figure below. NOTE: All the figures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you purchased. The actual unit shall prevail.
  • Page 73 Indoor unit installation 3.5 HESP duct indoor unit installation 3.1 Service space for indoor unit 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm 3.2 Bolt pitch Size of mounted lug Capacity (KBtu) 1146 48/60 1236 3.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture.
  • Page 74 Indoor unit installation 3.4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it. Adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body. Use a leveling instrument to make sure the levelness of the main body is within ±1°.
  • Page 75 Indoor unit installation 3.6 Ceiling & floor indoor unit installation 3.6.1 Service space for indoor unit 3.6.2 Bolt pitch ① Ceiling installation Capacity (Btu/h) 12-24K 30~36K 1200 48-60K 1565 ② Wall-mounted installation Installation...
  • Page 76 Indoor unit installation 3.6.3 Install the pendant bolt ① Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 77 Indoor unit installation Locate the hanging arm on the hanging screw bolt. Prepare the mounting bolts on the unit. Put the side panels and grilles back. Installation...
  • Page 78 Indoor unit installation ② Wall-mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit. (The bottom of body can touch with floor or suspended, but the body must install vertically.) 3.7 GA floor standing indoor unit installation 3.7.1 Service space for indoor unit a.
  • Page 79 Indoor unit installation 3.11.2 Installing 3.7.2.1. Anti-falling; 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. 3.7.2.2.
  • Page 80 Indoor unit installation 3.8 M & J2 floor standing indoor unit installation 3.8.1 Service space for 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.
  • Page 81 Indoor unit installation 3.8.2.2. Dismounting the air-inlet grid Please take off the air-inlet grid before connecting the pipes/wires. The grid is hitched by a loop inside. To dismount the air-inlet grid, hold both sides of the grid and pull it up, let it slant downwards until the loop become straight.
  • Page 82 Indoor unit installation 3.9 S2 floor standing indoor unit installation 3.9.1 Service space for 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.
  • Page 83 Indoor unit installation 3.9.2.2. Dismounting the lower front panel Please take off the air-inlet grid before connecting the pipes/wires. Pull down the two knobs on the grille, take off the two screws, then the air-inlet grille goes free. 3.9.2.3. Take the Pipe Clip off before connecting the pipes and wiring; fit it when these finished. Use accessories to connect the pipes/wires on both sides and back side.
  • Page 84 Indoor unit installation 3.10 S4 floor standing indoor unit installation 3.11.1 Service space for 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.
  • Page 85 Indoor unit installation 3.10.2.2. Dismounting the lower front panel Please take off the air-inlet grid before connecting the pipes/wires. Pull down the two knobs on the grille, take off the two screws, then the air-inlet grille goes free. 3.10.2.3. Take the Pipe Clip off before connecting the pipes and wiring; fit it when these finished. Use accessories to connect the pipes/wires on both sides and back side.
  • Page 86 Indoor unit installation Please reserve space for installation and maintenance. 3.11.2 Installing 3.11.2.1. Anti-falling; 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.
  • Page 87 Indoor unit installation Installation...

  • Page 88: Outdoor Unit Installation (Side Discharge Unit)

    Outdoor unit installation (Side Discharge Unit) 4. Outdoor unit installation (Side Discharge Unit) 4.1 Service space for outdoor unit (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm 4.2 Bolt pitch...

  • Page 89: Refrigerant Pipe Installation

    Refrigerant pipe installatio 5. Refrigerant pipe installation 5.1 Maximum pipe length and height drop Considering the allowable pipe length and height drop to decide the installation position. Make sure the distance and height drop between indoor and outdoor unit not exceeded the date in the following table. Capacity Max.

  • Page 90: Drainage Pipe Installation

    Drainage pipe installation 5.2.11 Set the supporter for the pipe. 5.2.12 Locate the pipe and fix it by supporter For horizontal refrigerant pipe, the distance between supporters should not be exceed 1m.  For vertical refrigerant pipe, the distance between supporters should not be exceed 1.5m. ...
  • Page 91 Drainage pipe installation According to the above table to calculate the total water flowrate for the confluence pipe selection. For horizontal drainage pipe (The following table is for reference) Allowable maximum water flowrate (l/h) Reference value of inner PVC pipe Remark diameter of pipe (mm) Slope 1/50...
  • Page 92 Drainage pipe installation Branch pipe Water flow Water flow Main pipe Keep a certain degree Main pipe Branch pipe The correct installation will not cause converse water flow and the slope of the branch pipes can be  adjusted freely The false installation will cause converse water flow and the slope of the branch pipe can not be ...
  • Page 93 Drainage pipe installation The air outlet shall face down to prevent dirt entering pipe.  Each indoor unit of the system should be installed it.  The installation should be considering the convenience for future cleaning.  Blowhole Indoor unit Indoor unit Plug Plug...

  • Page 94: Vacuum Drying And Leakage Checking

    Vacuum Drying and Leakage Checking shall cause shutdown of unit. When this situation happens, the normal startup only can be recovered by turning down power supply and eliminating accumulated water. Note: Drain plug at the main water-containing plate is used for eliminating accumulated water in water-containing plate when maintaining air conditioner fault.

  • Page 95: Additional Refrigerant Charge

    Additional refrigerant charg Leakage test: After the vacuum degree reaches -755mmHg, stop vacuum drying and keep the pressure for 1 hour. If the indicator of vacuum gauge does not go up, it is qualified. If going up, it indicates that there is moisture or leak source.

  • Page 96: Engineering Of Electrical Wiring

    Engineering of electrical wiring Liquid pipe Insulation meterial Gas pipe The insulation material at the joint pipe shall be 5~10cm longer than the gap of the insulation material.  The insulation material at the joint pipe shall be inserted into the gap of the insulation material. ...

  • Page 97: Test Operation

    Test operation Select different colors for different wire according to relevant regulations.  Do not use metal wire tube at the place with acid or alkali corrosion, adopt plastic wire tube to replace it.  There must be not wire connect joint in the wire tube If joint is a must, set a connection box at the place. ...
  • Page 98 Electrical Control Part 5 Electrical Control System 1. Electrical Control Function..........9 5 2. Troubleshooting..............1 0 0 3. Controller................... Control Electrical...
  • Page 99 Electrical Control Func no preset temperature is displayed. 1. Electrical Control Function Indoor fan can be set to high, ( ), low,  medium 1.1 Abbreviation or auto. T1: Indoor room temperature Louver operates the same as in cooling  T2: Evaporator coil temperature mode.
  • Page 100 Electrical Control Function 1.3.2.5 Condenser high temperature protection(excluding 12~36k cooling only Above and below outdoor fan on models) Above outdoor fan on 1.3.2.3 Indoor Fan Running Guidelines In cooling mode, the indoor fan runs continuously. You can select the following speeds: high, (medium), low, or auto.
  • Page 101 Electrical Control Function Above and below Defrosting action：  outdoor fan On For 12~30K floor-standing units: Setting defrosting time Compressor Above outdoor fan On 4 way valve Outdoor fan Indoor fan 1.3.3.3 Indoor Fan Running Guidelines When the compressor is on, the indoor fan can select the following speeds: high, (medium), low, or For 12~30 other units: auto..
  • Page 102 Electrical Control Function For Ceiling &floor period of time intermittently and then selects a mode based on T1-Ts. type: If the setting temperature is modified, the machine selects a new running function. Compressor off 1.3.5 Dehumidifier Mode 1.3.5.1 Indoor fan speed is fixed at low and cannot Outdoor fan off Compressor and be changed...
  • Page 103 Electrical Control Func temperature stops decreasing and the indoor fan is The system checks the water level every 5 seconds. fixed at auto speed. Anti-cold wind function takes ----When the A/C operates in cooling (including auto priority. cooling) or forced cooling mode, the pump begins 1.3.7.3 The timer setting is available in this mode.
  • Page 104 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Display board of A5 Duct,A6 Duct & HSPD PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Timer indicator Infrared signal receiver Operation lamp Display digital tube Temporary button OPERATION TIMER DEF./FAN ALARM MANUAL 2.1.2 Display board of super slim cassette...
  • Page 105 Troubleshooting 2.1.5 Display board of GA floor-standing 2.1.6 Display board of M floor-standing Electrical Control...
  • Page 106 Troubleshooting 2.1.7 Display board of J2 floor-standing 2.1.8 Display board of S2 floor-standing Electrical Control...
  • Page 107 Troubleshooting 2.1.9 Display board of S4 floor-standing 2.1.10 Display board of E2 floor-standing Electrical Control...
  • Page 108 Troubleshooting 2.2. Self-diagnosis Indoor unit’s LED indication During malfunction or protection, the indicators and digital LED displays as follow: For A6 Duct: Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction T1 temperature sensor open or short circuit T2 temperature sensor open or short circuit Refrigerant leakage detection Water level alarm malfunction...

  • Page 109: T1 Temperature Sensor Open Or Short Circuit

    Troubleshooting LEDs’ for the indication of outdoor trouble(for 36-60K models) Type Contents LED1 LED2 LED3 Trouble Phase sequence Flash Trouble Lack of phase(A,B) Flash Trouble Lack of phase(C) Trouble Low pressure protection Flash Flash Trouble Overload of current Flash Trouble T3 temperature sensor open or short circuit Flash Flash...
  • Page 110 Troubleshooting 2.3. Solving steps for typical malfunction (1) For indoor unit a. T1 or T2 temperature sensor open or short circuit b. T3 temperature sensor open or short circuit Electrical Control...

  • Page 111: Indoor Eeprom Malfunction

    Troubleshooting c. Indoor EEPROM malfunction EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. d. Water level alarm e. Communication malfunction between indoor main PCB and display PCB Electrical Control...

  • Page 112: Refrigerant Leakage Detection

    Troubleshooting f. Refrigerant Leakage Detection Electrical Control...
  • Page 113 Troubleshooting Electrical Control...

  • Page 114: Communication Error Between Auto-Lifting Panel And Slim Cassette

    Troubleshooting For the super-slim cassette with up-down panel a. Communication error between auto-lifting panel and slim cassette b. Auto-lifting panel is faulty Electrical Control...
  • Page 115 Troubleshooting (2) For the outdoor unit a. Phase sequence error: Phase sequence error Change the order of two of the wires to power supply. Switch on the unit again. If the problem cannot be solved, the outdoor PCB is defective b.
  • Page 116 Troubleshooting c. Overload of current Check if the voltage of the power Regulate the power supply supply is too low Check if the operation condition is Correct the operation condition normal, especially the outdoor unit? Replace the outdoor fan Check if the outdoor fan is defective Check if the compressor is running Replace the compressor normally...
  • Page 117 Troubleshooting d. Protection of pressure or temp. Protection of pressure or temp. Is it k1 or K2 open ? Is temp. protective switch K1 open Is pressure protective switch K2 open Possible reason Possible reason 1. The wires is loose to K1 1.
  • Page 118 Troubleshooting f. High temperature protection of condenser High temperature protection of condenser Check the resistance of the temp. sensor according to Appendix 1, is it normal? Replace the sensor Possible reason 1. Air or other gas in the refrigerant. 2. Heat exchanger is dirty 3.
  • Page 119 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table (℃--K) K Ohm K Ohm K Ohm K Ohm ℃ ℃ ℃ ℃ 12.6431 2.35774 0.62973 115.266 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.2190 10.000...
  • Page 120 Troubleshooting Appendix 2 Unit: ℃---K Discharge temp. sensor table 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7 54.89 11.38 3.203 384.3 52.53 10.99 3.113 363.3 50.28 10.61 3.025 343.6 48.14 10.25...
  • Page 121 Controller 3. Controller 3.1 Wireless Remote Controller 3.1.1 Remote Controller Specifications Model Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it can get 11m) Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller SET TEM PERATURE( C) AU TO COOL...
  • Page 122 Controller 6. FAN SPEED+ MODE: Press the Mode and Fan speed button simultaneously for 2 seconds. The remote controls into faceplate setting state and the LCD shows F2.Press the TEMPUP( ) to control the faceplate up and press the TEMP DOWN( ) to control the faceplate down.
  • Page 123 Controller 3.1.2 R51I3/BGE-M Remote Controller Specifications Model Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 2.
  • Page 124 Controller 7. LED DISPLAY Button: Press this button to clear the display on the indoor unit, press it again to light the display 8. ON/OFF: For turning on or turning off the air conditioner. 9. FAN SPEED: Fan speed will be selected in following sequence once pressing this button: AUTO HIGH 10.
  • Page 125 Controller 3.1.3 R51M/(C)E Remote Controller Specifications Model Rated Voltage 3.0V Reaching Distance Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 2.
  • Page 126 Controller AUTO HIGH 9. ON/OFF: For turning on or turning off the air conditioner 10. TIME ON: For time ON setting. Once pressing this button, the time will increase by 0.5 hour. When the set time exceeds 10 hours, pressing the button will increase the time by 1 hour. Adjusting the figure to 0.00 will cancel time ON setting.
  • Page 127 Controller 3.1.4 General Function for wireless remote controller: Model Rated voltage 3.0V(2pieces of LR03 7＃ batteries) Min voltage for sending signal of CPU 2.4V Effective receiving distance 8m~11m Operation condition -5~60℃ Electrical Control...
  • Page 128 Controller Buttons and functions 1. Adjust : Decrease the set temperature Keeping pressing will decrease the temp with 1℃ 0.5s. 2. Adjust : Increase the set temperature Keeping pressing will increase the temp with 1℃ per 0.5s. 3. MODE: Once pressing, running mode will be selected in the following sequence: AUTO COOL HEAT...
  • Page 129 Controller 3.2 Wired Remote Controller 3.2.1 Name and functions of buttons on the wire controller Mode button: When press this button, the operation mode change as the following sequence: AUTO COOL HEAT Remark: For the cooling only model, the heating mode is skipped. Timer on button: Press this button, timer on function is active.
  • Page 130 Controller Adjust button: Set indoor temperature up. If press and hold on, it will increase at 1degree per 0.5 second. Adjust button: Set indoor temperature down. if press and hold on, it will decrease at 1degree per 0.5 Second. 10. Swing button: First press, start swing function; second press, stop swing. (Match to some model with swing function).
  • Page 131 Controller The wired controller will reset to factory setting with auto mode, auto fan and 24℃ setting temperature when the air conditioner restarts after power failure. And this may cause inconsistent displays on the wired controller and on the air conditioner. You need to readjust the running status through the wired controller.
  • Page 132 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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