Fisher FSKIF-121AE2-EU Service Manual
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Fisher FSKIF-121AE2-EU Service Manual

Super dc inverter lcac series
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Service Manual

SUPER DC INVERTER LCAC SERIES
/Energy Related Products/
CASSETTE
FSKIF-121AE2-EU
FSKIF-184AE2-EU
FSKIF-243AE2
FSKIF-301AE2
FSKIF-362AE2
FSKIF-481AE0
FSKIF-601AE0
ceiling /floor
FSPIF-181AE2
FSPIF-241AE2
FSPIF-301AE2
FSPIF-362AE2
FSPIF-480AE0
FSPIF-601AE0
Console
FSFIF-121AE2
NOTE:
Before servicing the unit, please read this at first.
Always contact with your service center if meet problem.
Duct
FSLIF-182AE2
FSLIF-242AE2
FSLIF-301AE2
FSLIF-362AE2
FSLIF-481AE0
FSLIF-602AE0
Outdoor
FSOIF-121AE2
FSOIF-183AE2
FSOIF-243AE2
FSOIF-301AE2
FSOIF-362AE2-3F
FSOIF-482AE0-3F
FSOIF-602AE0-3F
FI_SM_LCAC_UNITS_2016_161206

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Summary of Contents for Fisher FSKIF-121AE2-EU

  • Page 1: Service Manual

    Service Manual SUPER DC INVERTER LCAC SERIES /Energy Related Products/ CASSETTE Duct FSKIF-121AE2-EU FSLIF-182AE2 FSKIF-184AE2-EU FSLIF-242AE2 FSKIF-243AE2 FSLIF-301AE2 FSKIF-301AE2 FSLIF-362AE2 FSKIF-362AE2 FSLIF-481AE0 FSKIF-481AE0 FSLIF-602AE0 FSKIF-601AE0 ceiling /floor Outdoor FSPIF-181AE2 FSOIF-121AE2 FSPIF-241AE2 FSOIF-183AE2 FSPIF-301AE2 FSOIF-243AE2 FSPIF-362AE2 FSOIF-301AE2 FSPIF-480AE0 FSOIF-362AE2-3F FSPIF-601AE0 FSOIF-482AE0-3F...

  • Page 2: Part 1 General Information

    Contents Part 1 General Information ............1   Part 2 Indoor Units ..............6   Part 3 Outdoor Units ............71   Part 4 Installation .............. 84   Part 5 Electrical Control System ........116   ※The specifications, designs, and information in this book are subject to change without notice for product improvement.

  • Page 3: General Information

    General Information Part 1 General Information 1. Model Lists .................... 2   2. External Appearance ................3   2.1 Indoor Units ....................... 3   2.2 Outdoor Units ......................4   General Information...

  • Page 4: Model Lists

    ● Four-way cassette(compact) Cooling and heating ● ● Console Cooling and heating ● 1.2 Outdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units FSKIF-121AE2-EU GMCC Rotary FSOIF-121AE2 FSFIF-121AE2 FSKIF-184AE2-EU GMCC Rotary FSLIF-182AE2 FSOIF-183AE2 FSPIF-181AE2 FSKIF-243AE2 GMCC...

  • Page 5: External Appearance

    External Appearance 2. External Appearance 2.1 Indoor Units Duct Super slim cassette Ceiling-Floor Compact Four-way cassette Console General Information...
  • Page 6 External Appearance 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information...
  • Page 7 Indoor Units Part 2 Indoor Units Super Slim Cassette Type ........... 7   Duct Type ................20   Ceiling & Floor Type ............37   Four-way Cassette Type (Compact) ........53   Console Type ............... 60   Indoor Units...

  • Page 8: Table Of Contents

    Super Slim Cassette Type Super Slim Cassette Type 1. Features ................7   2. Dimensions ............... 9   3. Service Space ..............10   4. Air Velocity Distributions (Reference Data) ....11   5. Electric Characteristics ..........14   6. Sound Levels ..............15  ...

  • Page 9: Features

    Features 1. Features Overview  Compact design, super slim body size, less space requiring in installation Fresh air intake function  Fresh air fulfills air quality more healthy and comfortable.  Ventilation motor is optional to increase the effect of fresh air. Optional ventilator connector...
  • Page 10 Features Built-in draining pump Due to the improvement of structure, more convenient to repair or replace the draining pump.  Draining Pump  Built-in draining pump to make sure condensed water drain out reliably. Terminals for alarm lamp and long-distance on-off controller connection are standard ...

  • Page 11: Dimensions

    Dimensions 2. Dimensions 92 92 Fresh air intake 4-install hanger Body Gas side Liquid side Wiring connection port E-parts box Service hole for Test mouth & Test cover draining pump Drain hole 92 92 92 92 Panel Unit: mm Model FSKIF-243AE2 FSKIF-301AE2 FSKIF-362AE2...

  • Page 12: Service Space

    Service Space 3. Service Space >1000m m >1000mm Indoor Units...

  • Page 13: Air Velocity Distributions (Reference Data)

    Air Velocity Distributions (Reference Data) Air Velocity Distributions (Reference Data) 24K: Cooling: Heating: Indoor Units...
  • Page 14 Air Velocity Distributions (Reference Data) 30-36K: Cooling: Heating: Indoor Units...
  • Page 15 Air Velocity Distributions (Reference Data) 48-60K： Cooling: Heating: Indoor Units...

  • Page 16: Electric Characteristics

    Electric Characteristics Electric Characteristics Power Indoor Unit Supply Model Voltage 220-240 FSKIF-243AE2 220-240 FSKIF-301AE2 220-240 FSKIF-362AE2 220-240 FSKIF-481AE0 220-240 FSKIF-601AE0 Notes: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 17: Sound Levels

    Sound Levels Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) FSKIF-243AE2 FSKIF-301AE2 FSKIF-362AE2 FSKIF-481AE0 FSKIF-601AE0 Indoor Units...

  • Page 18: Accessories

    Accessories Accessories Name Shape Quantity Installation paper board Installation Fittings Soundproof / insulation sheath Tubing & Fittings Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be provided the following...

  • Page 19: The Specification Of Power

    The Specification of Power 8. The Specification of Power 36000 Btu/h 30000 Btu/h 48000 Btu/h Model 24000 Btu/h 1-phase 1-phase 1-phase 1-phase Phase Frequency 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz Voltage INDOOR UNIT POWER WIRING POWER 3x1,5 3x1,5 3x1,5 3x1,5 CIRCUIT BREAKER...

  • Page 20: Field Wiring

    Field Wiring 9. Field Wiring Indoor Units...

  • Page 21: Wiring Diagram

    Wiring diagram 10. Wiring diagram FSKIF-243AE2 FSKIF-301AE2 FSKIF-362AE2 FSKIF-481AE0 FSKIF-601AE0 Indoor Units...

  • Page 22: Duct Type

    Duct Type Duct Type 1. Features ................21   2. Dimensions ..............24   3. Service Space ..............25   4. Static Pressure ..............26   5. Electric Characteristics ..........29   6. Sound Levels ..............30   7. Accessories ..............31  ...

  • Page 23: Features

    Features Features 1.1 Installation accessories: (Optional) Front Board, Filter for easy installation  Front Board Filter 1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side)  Air inlet from rear is standard for all capacity; air inlet from bottom is optional. ...
  • Page 24 Features  Replace the motor or centrifugal fan Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily. Motor Blower Housing Ventilated Panel...

  • Page 25: Outdoor Units

    Features 1.7 Built-in display board  The standard indoor unit can be controlled by wired controller. There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even  in the distance of 10m. The unit will realized remoter control. ...

  • Page 26: Dimensions

    Dimensions Dimensions air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side Gas side 25 Drain pipe 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Fresh air intake Electric control box Air filter ( optional ) air inlet from bottom side...

  • Page 27: Service Space

    Service Space Service Space Ensure enough space required for installation and maintenance. All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Indoor Units...

  • Page 28: Static Pressure

    Static Pressure Static Pressure FSLIF-182AE2 FSLIF-242AE2 Indoor Units...
  • Page 29 Static Pressure FSLIF-301AE2 FSLIF-362AE2 Indoor Units...
  • Page 30 Static Pressure FSLIF-481AE0 FSLIF-602AE0 Indoor Units...

  • Page 31: Electric Characteristics

    Electric Characteristics Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. 220-240 FSLIF-182AE2 220-240 FSLIF-242AE2 220-240 FSLIF-301AE2 220-240 FSLIF-362AE2 220-240 FSLIF-481AE0 220-240 FSLIF-602AE0 Note: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 32: Sound Levels

    Sound Levels Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Sound Power Model dB(A) FSLIF-182AE2 FSLIF-242AE2 FSLIF-301AE2 FSLIF-362AE2 FSLIF-481AE0 FSLIF-602AE0 Indoor Units...

  • Page 33: Accessories

    Accessories 7. Accessories Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller Wired controller & Its Frame Owner ， s manual Others Installation manual Magnetic ring (twist the electric wires L EMS &...

  • Page 34: The Specification Of Power

    The Specification of Power The Specification of Power 24000 Btu/h 36000 Btu/h 30000 Btu/h Model 18000 Btu/h 1-phase 1-phase 1-phase Phase 1-phase Frequency 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz Voltage INDOOR UNIT POWER WIRING POWER 3x1,5 3x1,5 3x1,5 3x1,5 CIRCUIT BREAKER 15/10...

  • Page 35: Field Wiring

    Field Wiring Field Wiring Indoor Units...

  • Page 36: Wiring Diagram

    Wiring Diagram Wiring Diagram FSLIF-182AE2, FSLIF-242AE2, FSLIF-301AE2, FSLIF-481AE0, FSLIF-602AE0 Indoor Units...
  • Page 37 Wiring Diagram FSLIF-362AE2, Indoor Units...
  • Page 38 Wiring Diagram Indoor Units...

  • Page 39: Ceiling & Floor Type

    Ceiling & Floor Type Ceiling & Floor Type 1. Features ................38   2. Dimensions ..............39   3. Service Space ..............40   4. Electric Characteristics ..........41   5. Sound Levels ..............41   6. Air Velocity and Temperature Distributions....42  ...

  • Page 40: Features

    Features 1. 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 41: Dimensions

    Dimensions 2. Dimensions Wiring connection port Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm Capacity (Btu/h) FSPIF-181AE2 1068 FSPIF-241AE2 1200 1285 FSPIF-301AE2 FSPIF-362AE2 1650 1565 FSPIF-480AE0 FSPIF-601AE0 Indoor Units...

  • Page 42: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 43: Electric Characteristics

    Electric Characteristics 4. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. 220-240 FSPIF-181AE2 220-240 FSPIF-241AE2 220-240 FSPIF-301AE2 220-240 FSPIF-362AE2 220-240 FSPIF-480AE0 220-240 FSPIF-601AE0 Note: MFA: Max. Fuse Amps. (A) 5. Sound Levels Microphone 1.5m Air outlet side Microphone Ceiling Floor Noise level dB(A)

  • Page 44: Air Velocity And Temperature Distributions

    Air Velocity and Temperature Distributions (Reference Data) 6. Air Velocity and Temperature Distributions (Reference Data) FSPIF-181AE2, FSPIF-241AE2 Model: Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 45 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 46 Air Velocity and Temperature Distributions (Reference Data) Model: FSPIF-301AE2, FSPIF-362AE2 Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 47 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 48 Air Velocity and Temperature Distributions (Reference Data) Model: FSPIF-480AE0, FSPIF-601AE0 Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 49 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...

  • Page 50: Accessories

    Accessories 7. Accessories Name Shape Quantity 1. Remote controller Remote controller & Its holder(The product you 2. Remote controller holder have might not be provided the following accessories) 3. Mounting screw (ST2.9×10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual 6.

  • Page 51: Field Wiring

    Wiring Diagram Field Wiring Indoor Units...

  • Page 52: Wiring Diagram

    Wiring Diagram 10. Wiring diagram FSPIF-181AE2 Indoor Units...
  • Page 53 Ceiling & Floor Type FSPIF-241AE2 FSPIF-301AE2 Indoor Units...
  • Page 54 Wiring Diagram FSPIF-362AE2 FSPIF-480AE0 FSPIF-601AE0 Indoor Units...

  • Page 55: Four-Way Cassette Type (Compact)

    Four-way Cassette Type (Compact) Four-way Cassette Type (Compact) 1. Features ................54   2. Dimensions ..............55   3. Service Space ..............56   4. Air Velocity and Temperature Distributions ....57   5. Electric Characteristics ..........58   6. Sound Levels ..............58  ...

  • Page 56: Features

    Features 1. Features 1.1 New panel  360°surrounding air outlet design, affords comfortable feeling 1.2 Compact design  The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for installation and will not damage the decoration. The panel size is 647×50×647mm. ...

  • Page 57: Dimensions

    Dimensions 2. Dimensions FSKIF-121AE2-EU FSKIF-184AE2-EU Liquid side Gas side Body Drain hole Wiring connection port ( for Service ) E-parts box 150 Distribution duct 4-Screw hole (for install panel) 4-install hanger Drain pipe Fresh air intake Wiring connection port Panel...

  • Page 58: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 59: Air Velocity And Temperature Distributions

    Air Velocity and Temperature Distributions (Reference Data) 4. Air Velocity and Temperature Distribution s (Reference Data) Airflow velocity Temperature Indoor Units...

  • Page 60: Electric Characteristics

    Electric Characteristics 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. 220-240 FSKIF-121AE2-EU 220-240 FSKIF-184AE2-EU Note: MFA: Max. Fuse Amps. (A) 6. Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) FSKIF-121AE2-EU FSKIF-184AE2-EU Indoor Units...

  • Page 61: Accessories

    Accessories 7. Accessories Name Shape Quantity Installation paper board Installation Fittings Soundproof / insulation sheath Tubing & Fittings Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be provided the following...

  • Page 62: Field Wiring

    Field Wiring 9. Field Wiring FSKIF-121AE2-EU 12k unit FSKIF-184AE2-EU Indoor Units...

  • Page 63: Wiring Diagram

    Wiring Diagram 10.Wiring diagram FSKIF-121AE2-EU FSKIF-184AE2-EU Indoor Units...

  • Page 64: Console Type

    Console Type Console Type 1. Features ................61   2. Dimensions ..............63   3. Service Space ..............64   4. Air Velocity and Temperature Distributions....65   5. Electric Characteristics ..........66   6. Sound Levels ..............67   7.

  • Page 65: Features

    Features 1. Features 1.1. Modern and elegant appearance  The simple and stylish designs can nicely harmonies with your living space. 1.3. Two air-outlet ways Cooling mode Quick Cooling To maintain room temp  Air outlet from top and bottom to make quick cooling ------When the A/C is just switched on, or room temp.
  • Page 66 Console Type order to prevent cold air direct blowing, only the upper louver is opened in a high position, the lower louver closed. 1.4. Four air inlets 1.5. Low noise  DC indoor fan motor, which has five speeds.  Low noise and energy saving.

  • Page 67: Dimensions

    Console Type 2. Dimensions Hanging arm 16 Drain pipe Unit: mm Indoor Units...

  • Page 68: Service Space

    Console Type 3. Service Space Indoor Units...

  • Page 69: Air Velocity And Temperature Distributions

    Console Type 4. Air Velocity and Temperature Distributions (Reference Data) Discharge angle 60 Airflow velocity Temperature Indoor Units...

  • Page 70: Electric Characteristics

    Console Type 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. 220-240 FSFIF-121AE2 Indoor Units...

  • Page 71: Sound Levels

    Console Type 6. Sound Levels Microphone 1.5m Noise level dB(A) Noise Power Model dB(A) FSFIF-121AE2 Indoor Units...

  • Page 72: Accessories

    Console Type 7. Accessories Name Shape Quantity Installation fittings Hook Remote controller Frame Remote controller & Its Frame Mounting screw(ST2.9×10-C-H) Alkaline dry batteries (AM4) Installation manual Others Owner's manual 8. The Specification of Power MODEL 12000 Btu/h Phase 1-phase Power Frequency and Voltage 220-240V, 50Hz Circuit Breaker/ Fuse (A)

  • Page 73: Field Wiring

    Console Type 9. Field Wiring FSFIF-121AE2 Indoor Units...
  • Page 74 Console Type 10. Wiring diagram FSFIF-121AE2 Indoor Units...

  • Page 75: Part

    Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............73   Service Space ..............75     3. Piping c Diagrams ............  4. Electric Characteristics ..........77   5. Operation Limits .............. 78   ............... 79 Sound Levels   7.
  • Page 76 Outdoor Units Outdoor Units...

  • Page 77: Dimensions

    Dimensions 1. Dimensions Unit：mm Model(KBtu/h) 12/18 30/36 1030 Outdoor Units...
  • Page 78 Dimensions Unit：mm Model(KBtu/h) 48/60 1333 1045 Outdoor Units...

  • Page 79: Service Space

    Service Space 2. Service Space (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 Outdoor Units...

  • Page 80: Piping C Diagrams

    Piping Diagrams 3. Piping Diagrams FSOIF-183AE2 FSOIF-121AE2 FSOIF-243AE2 INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE (EVAPORATOR) HEAT T4 Ambient T1 Room temp. T2 Evaporator EXCHANGE temp. sensor sensor temp. sensor (CONDENSER) middle T2B Evaporator...

  • Page 81: Electric Characteristics

    Electric Characteristics 4. Electric Characteristics Outdoor Unit Model Voltage Min. Max. 198V 220-240V 254V FSOIF-121AE2 198V 220-240V 254V FSOIF-183AE2 198V 220-240V 254V FSOIF-243AE2 198V 220-240V 254V FSOIF-301AE2 342V 380-415V 400V FSOIF-362AE2-3F 342V 380-415V 400V FSOIF-482AE0-3F 342V 380-415V 400V FSOIF-602AE0-3F Outdoor Units...

  • Page 82: Operation Limits

    Operation Limits 5. Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature 17℃～32℃ 0℃～30℃ 17℃～32℃ -15℃～50℃ Outdoor temperature -15℃～24℃ 0℃～50℃ CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 83: Sound Levels

    Sound Levels 6. Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) FSOIF-121AE2 56,5 FSOIF-183AE2 60,5 FSOIF-243AE2 59,5 FSOIF-301AE2 FSOIF-362AE2-3F FSOIF-482AE0-3F 62,5 FSOIF-602AE0-3F Outdoor Units...

  • Page 84: Wiring Diagrams

    Wiring diagram 7. Wiring diagram FSOIF-121AE2 FSOIF-183AE2 Outdoor Units...
  • Page 85 Wiring diagram FSOIF-243AE2 FSOIF-301AE2 FSOIF-362AE2-3F Outdoor Units...
  • Page 86 Wiring diagram FSOIF-482AE0-3F FSOIF-602AE0-3F Outdoor Units...
  • Page 87 Wiring diagram Outdoor Units...

  • Page 88: Part 3 Outdoor Units

    Installation Part 4 Installation 1. Installation Procedure ........... 85 2. Location selection ............86 3. Indoor unit installation ..........87 4. Outdoor unit installation (Side Discharge Unit) ..102 5. Refrigerant pipe installation ......... 103 6. Drainage pipe installation ..........107 7.

  • Page 89: 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 90: 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 91: Indoor Unit Installation

    Indoor unit installation 3. Indoor unit installation 3.1 Super slim cassette indoor unit installation 3.1.1 Service space for indoor unit Model 24/30/36 >275 48/60 >317 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 92 Indoor unit installation 3.1.4 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 93 Indoor unit installation 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. Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water.
  • Page 94 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. Installation...
  • Page 95 Indoor unit installation 3.2 Duct indoor unit installation 3.2.1 Service space for indoor unit 3.2.2 Bolt pitch Size of outline dimension mounted plug Capacity(KBtu) 18/24 1240 36~60 1240 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.
  • Page 96 Indoor unit installation 3.2.4 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 97 Indoor unit installation 3.2.7 Change the air inlet direction ① Take off ventilation panel and flange, cut off the staples at side rail. ② Stick the attached seal sponge as per the indicating place in the following fig, and then change the mounting positions of air return panel and air return flange .
  • Page 98 Indoor unit installation 3.3 Ceiling & floor indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch ① Ceiling installation Capacity (KBtu/h) 18/24 1200 36~60 1565 ② Wall-mounted installation 3.3.3 Install the pendant bolt ① Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture. Installation...
  • Page 99 Indoor unit installation Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings). ② Wall-mounted installation Install the tapping screws onto the wall.(Refer to picture below) 3.3.4 Install the main body ①...
  • Page 100 Indoor unit installation Put the side panels and grilles back. 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.) Installation...

  • Page 101: Part 4 Installation

    Indoor unit installation 3.4 Compact cassette indoor unit installation 3.4.1 Service space for indoor unit 3.4.2 Bolt pitch 3.4.3 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 102 Indoor unit installation If the ceiling is extremely high, please determine the length of the installation hook depending on the real situation. 3.4.4 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.
  • Page 103 Indoor unit installation 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. 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.
  • Page 104 Indoor unit installation 3.5 Console indoor unit installation 3.7.7 Service space for indoor unit 3.7.8 Install the main body  Fix the hook with tapping screw onto the wall  Hang the indoor unit on the hook. (The bottom of body can touch with floor or suspended, but the body must install vertically.) Installation...
  • Page 105 Installation...

  • Page 106: 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 107: Refrigerant Pipe Installation

    Refrigerant pipe installation 4.3 Install the Unit Since the gravity center of the unit is not at its physical center, so please be careful when lifting it with a sling. Never hold the inlet of the outdoor unit to prevent it from deforming. Do not touch the fan with hands or other objects.
  • Page 108 Refrigerant pipe installation 5.2.5 Insulate the copper pipe  Before test operation, the joint parts should not be heat insulated. 5.2.6 Flare the pipe  Insert a flare nut into the pipe before flaring the pipe  According to the following table to flare the pipe Flare dimension A (mm) Pipe diameter Flare shape...
  • Page 109 Refrigerant pipe installation Note: All used branch pipe must be produced by Fisher, otherwise it causes malfunction. The indoor units should be installed equivalently at the both side of the U type branch pipe. Permitted Value Piping 18K+18K Total pipe length (Actual)
  • Page 110 Refrigerant pipe installation Installation...

  • Page 111: Drainage Pipe Installation

    Drainage pipe installation 6. Drainage pipe installation Install the drainage pipe as shown below and take measures against condensation. Improperly installation could lead to leakage and eventually wet furniture and belongings. 6.1 Installation principle  Ensure at least 1/100 slope of the drainage pipe ...
  • Page 112 Drainage pipe installation 6.2.3 Individual design of drainage pipe system  The drainage pipe of air conditioner shall be installed separately with other sewage pipe, rainwater pipe and drainage pipe in building.  The drainage pipe of the indoor unit with water pump should be apart from the one without water pump. 6.2.4 Supporter gap of drainage pipe ...
  • Page 113 Drainage pipe installation Indoor unit More than 50mm Plug More than 25mm Water storage pipe 6.2.7 Lifting pipe setting of indoor unit with water pump  The length of lifting pipe should not exceed the pump head of indoor unit water pump. Pump head of big four way cassette: 750mm Pump head of compact four way cassette: 750mm ...
  • Page 114 Drainage pipe installation 6.3 Drainage test 6.3.1 Water leakage test After finishing the construction of drainage pipe system, fill the pipe with water and keep it for 24 hours to check whether there is leakage at joint section. 6.3.2 Water discharge test Natural drainage mode(the indoor unit with outdoor drainage pump) Infuse above 600ml water through water test hole slowly into the water collector, observe whether the water can discharge through the transparent hard pipe at drainage outlet.

  • Page 115: Vacuum Drying And Leakage Checking

    Vacuum Drying and Leakage Checking 7. Vacuum Drying and Leakage Checking 7.1 Purpose of vacuum drying  Eliminating moisture in system to prevent the phenomena of ice-blockage and copper oxidation. Ice-blockage shall cause abnormal operation of system, while copper oxide shall damage compressor. ...

  • Page 116: Additional Refrigerant Charge

    Additional refrigerant charge 8. Additional refrigerant charge  After the vacuum drying process is carried out, the additional refrigerant charge process need to be performed.  The outdoor unit is factory charged with refrigerant. The additional refrigerant charge volume is decided by the diameter and length of the liquid pipe between indoor and outdoor unit.

  • Page 117: Engineering Of Insulation

    Engineering of insulation 9. Engineering of insulation 9.1 Insulation of refrigerant pipe 9.1.1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe → insulation (except joint section) → flare the pipe → piping layout and connection→ vacuum drying → insulate the joint parts 9.1.2 Purpose of refrigerant pipe insulation ...

  • Page 118: Engineering Of Electrical Wiring

    Engineering of electrical wiring 9.2.3 Insulation material selection for drainage pipe  The insulation material should be flame retardant material, the flame retardancy of the material should be selected according to the local law.  Thickness of insulation layer is usually above 10mm. ...

  • Page 119: Test Operation

    Test operation 11. Test operation 11.1 The test operation must be carried out after the entire installation has been completed. 11.2 Please confirm the following points before the test operation.  The indoor unit and outdoor unit are installed properly. Tubing and wiring are correctly completed.
  • Page 120 Electrical Control System Part 5 Electrical Control System Electrical Control Function ........117     Troubleshooting ............127     Electrical Control System...

  • Page 121: Main Protection

    Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet. T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 1.2 Main Protection 1.2.1 Time delay at restart for compressor.

  • Page 122: Operation Modes And Functions

    Electrical Control Function 1.3 Operation Modes and Functions 1.3.1 Fan mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) The louver operates same as in cooling mode. (4) Auto fan: T 1 - 2 4 6 .
  • Page 123 Electrical Control Function 18~60K 1.3.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and silent. When the compressor is running, the indoor fan is controlled as below: Setting fan T1-Td ℃(°F) Actual fan speed...
  • Page 124 Electrical Control Function 1.3.2.4 Condenser high temperature T3 protection 18~60K Decrease Decrease Hold Hold Resume Increase slowly Resume 1.3.3 Heating Mode 1.3.3.1 Outdoor fan running rules: F re q u e n c y lin k a g e a re a Frequency linkage area: 18~60K: 1.3.3.2 Indoor fan running rules:...
  • Page 125 Electrical Control Function When the compressor is running, the indoor fan is controlled as below: Setting fan T1-Td℃ Actual fan speed speed H-（H-=H-G) H（=H） H+(H+=H+G) M-(M-=M-Z) M(M=M) M+(M+=M+Z) L-(L-=L-D) L(L=L) L+(L+=L+D) If the compressor stops caused by the room temperature rising, the indoor fan will be forced to run 127 seconds with breeze.
  • Page 126 Electrical Control Function 1.3.3.4 High evaporator coil temp.T2 protection: TEstop Decrease TEdown Hold TEnorm Resume Off: Compressor stops. Decrease: Decrease the running frequency to the lower level. Hold: Keep the current frequency. Resume: No limitation for frequency. 1.3.4 Auto-mode This mode can be chosen with remote controller and the setting temperature can be changed between 17~30℃.
  • Page 127 Electrical Control Function 1.3.6.3 Timer off. The machine will turn off automatically when reaching the setting time. 1.3.6.4 Timer on/off. The machine will turn on automatically when reaching the setting “on” time, and then turn off automatically when reaching the setting “off” time. 1.3.6.5 Timer off/on.
  • Page 128 Electrical Control Function controller, the buzzer will emit a sound and this indicates the follow me function is initiated. But when the indoor PCB receives signal which sent from remote controller every 3 minutes, the buzzer will not respond. When the unit is running with follow-me function, the PCB will control the unit according to the temperature from follow-me signal, and the temperature collection function of room temperature sensor will be shielded.
  • Page 129 Electrical Control Function display tube will show “70”. If the indoor unit is not connected, Condenser pipe temp.(T3) the digital display tube will show: “――” Outdoor ambient temp.(T4) The display value is between 0~129 degree.If the temp. is higher than 99 degree, the digital display tube will show single digit and tens digit.
  • Page 130 Electrical Control Function If the temp. is lower than 0 degree, the digital display tube will show “0”.If the temp. is higher than 70 degree, the digital Indoor room temp. of 2# indoor unit display tube will show “70”. If the capacity demand is 0, , the digital display tube will show “0.
  • Page 131 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (Super slim cassette). 2.1.2 Icon explanation on indoor display board (Duct) 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...
  • Page 132 Troubleshooting 2.1.5 Icon explanation on indoor display board (Console) Electrical Control System...

  • Page 133: Part 5 Electrical Control System

    Error rotor position protection of compressor ☆ Low pressure protection of compressor ☆ X(off) ☆(flash at 2Hz) O (on) For 12K compact cassette FSKIF-121AE2-EU Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units...
  • Page 134 Troubleshooting For other type (18K-60K): Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm Communication error between master and slave unit (for twins system)
  • Page 135 Troubleshooting 2.3 Outdoor unit malfunction For 18~60K: Display Malfunction or Protection Communication malfunction between indoor and outdoor units Overcurrent protection Ambient temperature sensor (T4) is malfunction Outdoor heat-exchanger temperature sensor (T3) is malfunction Discharge temperature sensor (T5) is malfunction Outdoor EEPROM is malfunction Outdoor fan speed has been out of control IPM module protection Voltage protection (too high or too low)
  • Page 136 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Open or short circuit of temperature sensor Check the connections  between temperature  Correct the connections. sensor and PCB. Are the  connections good? Measure the resistance value  of the sensor via Appendix 1 Is it normal? Replace the sensor. Replace the indoor PCB  2.4.1.2. Outdoor unit malfunction Electrical Control System...
  • Page 137 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. 2.4.1.4. Water-level alarm malfunction Electrical Control System...
  • Page 138 Troubleshooting 2.4.1.5. Indoor fan speed has been out of control. Index 1: 1. Indoor DC fan motor(control chip is inside fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector.
  • Page 139 Troubleshooting 2.4.1.6. Refrigerant Leakage Detection Shut off the power supply and turn it on 2 minutes later. Is it still displaying the error code? Check if T2 sensor is well Is there cool air blowing fixed. Correct the installation or replace T2 sensor. Does out from indoor air outlet? the problem remain again? Is there any leakage? Especially...
  • Page 140 Troubleshooting 2.4.2 For the super-slim cassette with up-down panel 2.4.2.1 Communication error between indoor unit and up-down panel 2.4.2.2 Up-down panel is defective Electrical Control System...
  • Page 141 Troubleshooting 2.4.3 For the unit with TWINS function (For the super-slim cassette & duct) 2.4.3.1 Communication between master unit and indoor unit malfunction 2.4.3.2 Other malfunction between master unit and indoor unit One indoor unit displays ”E9”, which means another indoor unit is faulty. Check another indoor unit’s error code and then follow the appropriate solutions to solve the malfunction.
  • Page 142 Troubleshooting 2.4.4 For the outdoor unit 2.4.4.1. F4 malfunction E0 display Outdoor EEPROM malfunction Power off, then restart the unit 2 minutes later Replace the outdoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. Electrical Control System...
  • Page 143 Troubleshooting 2.4.4.2. E1 malfunction For current loop communication: Electrical Control System...
  • Page 144 Troubleshooting For 485 communication E2 display Communication malfunction between indoor and outdoor units Power off, then restart the unit 2 minutes later Check whether there’s any interference. Remove interference or Such as too many lamps, power add magnet ring on power transformers? Or the signal wire wire is too long?
  • Page 145 Troubleshooting 2.4.4.3. J4 malfunction Electrical Control System...
  • Page 146 Troubleshooting 2.4.4.4. F1, F2, F3 malfunction Error E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the  condenser temp. sensor(T3) is  Connect the wiring well broken off Check whether the resistance of  condenser temp. sensorT3) is wrong  Replace condenser temp. sensor(T3) refer to the Appendix 1 Judge 2: Outdoor ambient temp. sensor (T4) is malfunction Check whether the wiring of the  outdoor ambient temperature  Connect the wiring well sensor (T4) is broken off Check whether the resistance of  outdoor ambient temperature  Replace outdoor ambient  sensor (T4) is wrong refer to the  temperature sensor (T4) Appendix 1 Judge 3: Compressor discharge temp. sensor (T5) is malfunction Check whether the wiring of the  compressor discharge temperature  Connect the wiring well sensor (T5) is broken off Check whether the resistance of ...
  • Page 147 Troubleshooting 2.4.4.5. P6 malfunction E5 display Voltage protection of compressor Check whether the power Restart the unit when the power voltage is normal. supply gets normal Check the wiring of Measure whether outdoor power wires well or Reconnect it well terminal voltage is normal？...
  • Page 148 Troubleshooting 2.4.4.6. F5 malfunction The same as E3 in indoor. 2.4.4.7. J5 malfunction Electrical Control System...
  • Page 149 Troubleshooting 2.4.4.8. J6 malfunction P2 display Low pressure protection Whether the wiring between the low pressure protector and main control Connect it well board is connected well or correctly Whether the low pressure protector is broken Method: Disconnect the plug. Measure the resistance of the low pressure protector.
  • Page 150 Troubleshooting 2.4.4.9. F0 malfunction P3 display Current protection of compressor The protection occurred in standby Check whether the power Restart the unit when the power voltage is normal. supply gets normal Check the wiring of Measure whether outdoor power wires well or Reconnect it well terminal voltage is normal？...
  • Page 151 Troubleshooting 2.4.4.10. J2 malfunction When compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when compressor discharge temperature is lower than 90°C. P4 display Temperature protection of  compressor discharge Check whether the  Check whether the  compressor discharge temp. is  Stop leaking and add refrigerant refrigerant is leak more than 115°C ? Check whether connection is right between compressor discharge temp.
  • Page 152 Troubleshooting 2.4.4.11. J1 malfunction When condenser high temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. P5 display Check the connection  between temperature  Correct the connection High temperature protection of  sensor and PCB. condenser Check whether the condenser temperature is Check whether the Higher than 65°C resistance of condenser...
  • Page 153 Troubleshooting 2.4.4.12. P0 malfunction At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: P6 display IPM module protection Check whether the power voltage...
  • Page 154 Troubleshooting 2.4.4.13. J0 malfunction Electrical Control System...
  • Page 155 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 156 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...
  • Page 157 Troubleshooting Appendix 3 Normal voltage of P and N 208-240V(1-phase,3-phase) 380-420V(3-phase) In standby 310VDC around 530VDC around In operation With passive PFC With partial active With fully active module PFC module PFC module >200VDC >310VDC >370VDC >450VDC Electrical Control System...

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