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Fisher FSK-124HF Technical & Service Manual

Cassette type air-conditioner (four-way cassette)
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TECHNICAL SERVICE MANUAL
CASSETTE TYPE AIR-CONDITIONER
(Four-way cassette)
FSK-124HF
FSK-184HF
FSK-244HF
FSK-364HF
FSK-484HF
FI-SM-040819

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Summary of Contents for Fisher FSK-124HF

  • Page 1 TECHNICAL SERVICE MANUAL CASSETTE TYPE AIR-CONDITIONER (Four-way cassette) FSK-124HF FSK-184HF FSK-244HF FSK-364HF FSK-484HF FI-SM-040819...
  • Page 2 Four-way Cassette Air-conditioner Table of Contants Part 1. Product Features Part 2. Specification Part 3. Noise Level Part 4. Velocity ﹠ temperature distribution Part 5. Operation Range Part 6. Capacity Table Part 7. Outlines and Dimension Part 8. Electric Control Functions Part 9.

  • Page 3: Part 1. Product Features

    Part 1. Product Features 1) Low operation noise ---Streamline plate ensures quietness ---Creates natural and comfortable environment 2) Efficient cooling ---Equal, fast and wide—range cooling Four-way airflow 3) The adoption of the most advanced 3- Dimensional Screw fan ---Reduces the air resistance passing through ---Smoothes the air flow ---Makes air speed distribution to the heat exchange uniform 3- Dimensional Screw fan...

  • Page 4: Part 2. Specification

    Part 2. Specification R407C Model FSK-124HF FSK-184HF Power supply Ph-V-Hz 1N,220-240V,50Hz 1N,220-240V,50Hz 12000 18000 Capacity Btu/h Capacity 3.55 Cooling Input 1450 2050 Rated current 2,45 2,59 15000 20500 Capacity Btu/h Capacity Heating Input 1350 2150 10.5 Rated current 3,26 Moisture Removal Max.
  • Page 5 Indoor air flow (Hi/Lo) m3/h 680/600 860/760 38/35 43/40 Indoor noise level (Hi/Lo) dB(A) Dimension (W*H*D)(body) 580×254×580 580×254×580 750x340×750 750x340×750 Packing (W*H*D)(body) 650x30x650 650x30x650 Dimension (W*H*D)(panel) Indoor unit Packing (W*H*D)(panel) 715x115x715 715x115x715 Net/Gross weight(body) 21/30 21/30 Net/Gross weight(panel) Model YDK25-6-1 YDK53-6K Brand WELLING...
  • Page 6 R407C Model FSK-244HF FSK-364HF FS-484HF Power supply Ph-V-Hz 3N, 380V~, 50Hz 3N, 380V~, 50Hz 1, 220-240V~, 50Hz Capacity Btu/h 24000 36000 48000 Capacity 7.05 10.55 14.1 Cooling Input 3100 4600 5700 Rated current 13.8 2,28 2,29 2,48 Capacity Btu/h 28000 40000 53000 Capacity...
  • Page 7 Indoor air flow (Hi/Lo) m3/h 1050/900 1600/1420 1750/1500 Indoor noise level (Hi/Lo) dB(A) 43/40 47/44 47/44 Dimension(W*D*H) Body 840X240X840 840X310X840 840X310X840 Dimension(W*D*H) Panel 950X40X950 950X40X950 950X40X950 Packing (W*D*H) Body 1020X330X930 1020X400X930 1020X400X930 Indoor unit Packing (W*D*H) Panel 1030X145X1030 1030X145X1030 1030X145X1030 Net/Gross weight Body 36/46...

  • Page 8: Part 3 Noise Level

    Part 3 Noise Level FOUR-WAY CASSETTE TYPE 1. 0m Microphone High airflow Low airflow FSK-124HF FSK-184HF FSK-244HF Audibility limits of Audibility limits of continuous white continuous white sound sound Octave band center frequency （ Hz ） Octave band center frequency （ Hz ）...
  • Page 9 Part 4 Velocity ﹠ temperature distribution Discharge angle 60º Airflow velocity Temperature - 8 -...

  • Page 10: Part 5 Operation Range

    Part 5 Operation Range Ensure the operating temperature is in allowable range. - 9 -...

  • Page 11: Part 6 Capacity Table

    Part 6 Capacity Table Model: FSK-124HF COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 3.48 3.33 3.21 3.02 2.90 2.81 2.72 21ºC D Sensitive capacity kW 2.78 2.66 2.56 2.42 2.32 2.25 2.18...
  • Page 12 Model: FSK-184HF COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 4.83 4.62 4.45 4.20 4.03 3.91 3.78 21ºC D Sensitive capacity kW 3.86 3.70 3.56 3.36 3.23 3.12 3.02 15ºC W Input kW. 1.29 1.48 1.66...
  • Page 13 Model: FSK-244HF COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 6.86 6.56 6.32 5.96 5.73 5.55 5.37 21ºC D Sensitive capacity kW 5.49 5.25 5.06 4.77 4.58 4.44 4.29 15ºC W Input kW. 1.95 2.23 2.51...
  • Page 14 Model: FSK-364HF COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 10.34 9.89 9.53 8.99 8.63 8.36 8.09 21ºC D Sensitive capacity kW 8.27 7.91 7.62 7.19 6.90 6.69 6.47 15ºC W Input kW. 2.90 3.31 3.73...
  • Page 15 Model: FSK-484HF COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 13.62 13.03 12.55 11.84 11.37 11.01 10.66 21ºC D Sensitive capacity kW 10.90 10.42 10.04 9.48 9.10 8.81 8.53 15ºC W Input kW. 3.59 4.10 4.62...

  • Page 16: Part 7 Outlines And Dimension

    Part 7 Outlines and Dimension FSK-124HF FSK-184HF 1 Indoor unit Hook Body Ceiling Panel Chart 4 401(Hook-location) 580(Body) 600(Ceiling hole) 650(Panel) 2 Outdoor unit FSO-124HF - 15 -...

  • Page 17: Outdoor Unit

    FSO-184HF Outdoor unit Indoor unit FSK-244HF 4-install hanger Gas side Liquid side E-parts box Pump inspect hole Drain hole - 16 -...
  • Page 18 FSK-364HF FSK-484HF 5 Indoor unit 4-install hanger Gas side liquid side E-parts box Pump inspect hole Drain hole 6 Outdoor unit FSO-244HF COMP (BODY (BODY (INSTALL (INSTALL (INSTALL (INSTALL (BASE (WATER DIMENSION) DIMENSION) BOLTS) BOLTS) BOLTS) BOLTS) FOOT) RECEIVER) 1013 - 17 -...
  • Page 19 7 Outdoor unit FSO-364HF COMP (BODY (BODY (INSTALL (INSTALL (INSTALL (INSTALL (BASE (WATER DIMENSION) DIMENSION) BOLTS) BOLTS) BOLTS) BOLTS) FOOT) RECEIVER) 182,5 182,5 1070 8 Outdoor unit FSO-484HF (BODY (BODY (INSTALL (INSTALL (INSTALL (INSTALL (BASE DIMENSION) DIMENSION) BOLTS) BOLTS) BOLTS) BOLTS) FOOT) 940.0...

  • Page 20: Operation Modes And Functions

    Part 8. Electric Control Functions 1. Performance Index Item Index Applicable Voltage Range 165-253V~, 343-418V~ A/C Frequency 50Hz Working environment temperature -7°C- +45°C 2. Main Parts Introduction 2.1 Indoor Fan High speed and low speed. Breeze speed for anti-cold air. 2.2 Outdoor Fan High speed and low speed.

  • Page 21: Manual Action

    30 minutes of unconditional forced cooling operation, the operation indicator will blink at 0.5Hz. In the process of switchover to manual action mode, the buzzer buzzes for 0.5 second and the indicator is illuminated. 3.1.2.4 Under this mode, the corresponding protections are in effective (3- minute delayed start-up, over current, outdoor protection and evaporator low temperature protection.).
  • Page 22 3.3 Defrost 3.3.1 The defrosting of FSK-124-184-244HF is processed by indoor control board. 3.3.1.1 Defrosting Conditions 3.3.1.1.1 Low temperature defrosting condition: Accumulated operating time when temperature of outdoor heat exchanger coil T3 is below -2°C reaches up to over 40 minutes. 3.3.1.1.2 High temperature defrosting condition: Under high temperature protection of evaporator, the time when outdoor fan is shut down but compressor is not has been accumulated for up to 90 minutes.

  • Page 23: Cooling Mode

    3.4 Cooling Mode 3.4.1 Four-way valve is closed. If four-way valve is open before the machine enters cooling mode, then four-way valve will be closed at the first time the compressor starts under the cooling mode. 3.4.2 Conditions for the compressor and outdoor fan action (Ts = set temperature, Ta=room temperature) Condition Compressor Outdoor fan...

  • Page 24: Other Functions

    4. Other Functions 4.1 LED Display Operation lamp, timer lamp, defrosting/pre-heating lamp, and water level alarm lamp. 4.1.1 Operation Lamp When the operation is recovering, it will blink at 1 Hz. After the unit is on, the lamp will keep on. After the unit is off, the lamp will be off.

  • Page 25: Troubleshooting

    5. Trouble Shooting 5.1 Protective Function 5.1.1 3-minute delay for the compressor start-up. At the beginning of energizing or after the stop of the compressor, 3-minute delay will be needed to start the compressor. When switchover between cooling/heating mode, the compressor stops automatically. 5.1.2 Compressor current overload protection 5.1.2.1 <24000BTU compressor current examination and action...
  • Page 26 5.1.4.1 When the evaporator pipe temperature ≤ 3°c and this lasts for 3 minutes, the compressor and outdoor fan will be shut off. 5.1.4.2 When the evaporator pipe temperature ≥ 7°c, it recovers. 5.1.4.3 The restart of the compressor shall execute the delay protection. 5.1.5 Anti-cold air protection Only available to heating mode, including heating mode, heating operation under auto mode.

  • Page 27: Part 9. Wiring Diagram

    Part 9. Wiring Diagram FSK-124HF FSK-184HF Indoor Unit: C N 11 C N 10 C N 17 C O D E N AM E R L6 C AP1 I N D O O R FAN C APAC I TO R...
  • Page 28 FSK-244HF Indoor Unit: Outdoor Unit: C AP1 C AP2 C O M P KM 1 R T3 XS1, XP1 VALVE - 27 -...
  • Page 29 FSK-364HF Indoor Unit: Outdoor Unit: H - PR O K1 C O M P FAN 3 T201 C N 201 C N 100 C N 200 C AP3 S. V. KM 1 KM 1 H EAT S. V. XT5- 7 FAN 3 H - PR O T201...
  • Page 30 FSK-484HF Indoor Unit: Outdoor Unit: H - PR O K1 C O M P FAN 3 FAN 4 C N 201 C N 100 C N 200 C AP3 C AP4 S. V. KM 1 KM 1 H EAT S. V. XT5- 7 FAN 3 H - PR O...

  • Page 31: Part 10 Installation

    Part 10 Installation 1. Installation place ● A place where there is enough room for installation and maintenance.(Refer to Chart 1) ● The ceiling is structurally sound to hold the Indoor Unit. ● A place that is well ventilated and the influence of weather is the least. ●...

  • Page 32: Indoor Unit Installation

    2. Indoor unit installation FSK-124-184HF Install the main body A. The existing ceiling (to be horizontal) a. Please cut a quadrangular hole of 600X600mm in the ceiling according to the shape of the installation paper board. The center of the hole should be at the same position of that of the air conditioner body. Determine the lengths and outlets of the connecting pipe, drain pipe and cables.
  • Page 33 B. New built houses and ceilings a. In the case of new built house, the hook can be embedded in advance (refer to the A.b mentioned above). But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking. b.
  • Page 34 2) Install the panel a. Align the swing motor on the panel to the water receiver of the body properly. (Refer to chart 11) b. Hang the four fixed rope of the main body to the installation cover and the other three covers of the swing motor: (Refer to chart 11) CAUTIONS: The installation cover of the swing motor must sink into the corresponding water receiver.
  • Page 35 3. Indoor unit installation FSK-244-364-484HF (1) Install the main body A. The existing ceiling (to be horizontal) a. Please cut a quadrangular hole of 880X880mm in the ceiling according to the shape of the installation paper board. (Refer to Chart3,4) The center of the hole should be at the same position of that of the air conditioner body.
  • Page 36 Bolt Central hole Body Installation paper board Bolt M6X12 Ceiling Chart 7 Chart 5 Chart 6 B. New built houses and ceilings a. In the case of new built house, the hook can be embedded in advance (refer to the A.b mentioned above). But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking.
  • Page 37 2) Remove the installation covers at the four corners. Wrench off the bolts, loose the rope of the installation covers, and remove them. (Refer to chart 10) 3) Install the panel a. Align the swing motor on the panel to the tubing joints of the body properly. ( Refer to chart 11) b.

  • Page 38: Install Outdoor Unit

    2. Install outdoor unit 3. Refrigerant pipe connecting (1) Maximum pipe length Model Max. Length Max. Elevation FSK-124-244-364-484HF (2) Piping sizes Model Liquid(mm/inch) Gas(mm/inch) FSK-124-184HF 6.35(1/4) 12.7(1/2) FSK-244HF 9.52(3/8) 16.0(5/8) FSK-364-484HF 12.7(1/2) 19.0(3/4) (3) Piping connection 1). Measure the necessary length of the connecting pipe, and make it by the following way. a.

  • Page 39: Additional Charge

    (4) Additional charge When the length of the one-way pipe is less than 8m, additional refrigerant charge after vacuuming is not necessary. When the length of one-way pipe is over 8m, the quantity to be added is as follows (unit in gram): Connective pipe length Air purging method Additional amount of refrigerant to be charged...

  • Page 40: Part 11 Servicing And Maintenance

    Part 11 Servicing and Maintenance 1. Troubles and Solutions If any the following abnormal conditions occur, turn off the power supply immediately. Please contact our dealer. TROUBLES Indicator lamps flash rapidly, after your disconnecting and connecting the unit, the situation is the same. Fuse or circuit breaker work frequently.
  • Page 41 Temperature display disappear Symptom Checking items Cause Temperature Display does not light. Check if the mode display on You can not set the temperature when the LCD is FAN ONLY the unit is on FAN ONLY mode. The Display Goes Off Symptom Checking items Cause...
  • Page 42 Part 12 Exploded view 1. FSK-124HF Indoor unit - 41 -...
  • Page 43 Part Name Quantity Part Name Quantity Collect Water Pan ,Ass'y 26.1 Air inlet grille Foam, Collect Water Pan 26.2 Switch cover, air inlet grille Wire fixing board 26.3 Switch, air inlet grille Stopper, Water Drain 26.4 Filter Room Temperature Sensor Ass'y 26.5 Control box Evaporater Fixture Board Ass'y...
  • Page 44 Outdoor unit (FSO-124HF) Part Name Quantity Part Name Quantity Front Net Cover Ass'y Water Pan Cabinet , Front Right Handle Stopper Guard Right Cover Board Nut, left screw Terminal Block Fan,Propeller Capacitor, Fan Motor Fan Motor Capacitor Block Base Pan Ass'y Capacitor , Compressor Compressor Foot Mat...
  • Page 45 2. FSK-184HF Indoor unit - 44 -...
  • Page 46 Part Name Quantity Part Name Quantity Collect Water Pan ,Ass'y 26.1 Air inlet grille Foam, Collect Water Pan 26.2 Switch cover, air inlet grille Wire fixing board 26.3 Switch, air inlet grille Stopper, Water Drain 26.4 Filter Room Temperature Sensor Ass'y 26.5 Control box Evaporater Fixture Board Ass'y...
  • Page 47 Outdoor unit (FSO-184HF) Part Name Quantity Part Name Quantity Front net Compressor capacitor Clamp for front net Fan motor capacitor Front clapboard Installation board for E-parts Propeller fan Wire joint Fan motor Washer for wire joint Holder for fan motor Clamp for wiring Foam over holder for motor Gas pipe valve...
  • Page 48 12. FSK-244HF Indoor unit - 47 -...
  • Page 49 Part Name Quantity Part Name Quantity Water Receiver, Ass'y Cover, installing Stopper, Water Drain Swing motor E-Parts Box Cover1 Fan guide Capacity Filter E-Parts Box Ass'y Switch, air inlet grille E-Parts Box Cover2 Switch cover, air inlet grille Transformer Air inlet grille PCB Ass'y Hanger for panel, assmy Wind inlet guide...
  • Page 50 Outdoor unit (FSO-244HF) Part Name Quantity Part Name Quantity Front net Terminal Block, 2p Cabinet, Front Contactor, AC Fan, Propeller Capacitor, Fan Motor Fan Motor Wire Clamp Mount, Fan Motor Terminal Block, 5p Top cap Ass'y Terminal Block, 2p Condenser Ass'y Compressor Fixture clip , Condenser Ass'y Fixture, Segregator...
  • Page 51 13. FSK-364-484HF Indoor unit - 50 -...
  • Page 52 Part Name Quantity Part Name Quantity Water Receiver, Ass'y Cover, installing Stopper, Water Drain Swing motor E-Parts Box Cover1 Fan guide Capacity Filter E-Parts Box Ass'y Switch, air inlet grille E-Parts box cover Switch cover, air inlet grille Transformer Air inlet grille PCB Ass'y Hanger for panel, assmy Wind inlet guide...

  • Page 53: Fan Motor

    Outdoor unit FSO-364HF Part Name Quantity Part Name Quantity Front net Outdoor temp sensor Clamp for front net Wire joint for multiplexer Front clapboard Contactor AC Propeller fan Transformer Fan Motor Fan motor capacitor Holder for fan motor Wire joint for power Cover Washer for wire joint Condenser I...
  • Page 54 Outdoor unit FSO-484HF Part Name Quantity Part Name Quantity Front net Terminal Block,2p Cabinet, Front Contactor, AC Fan, Propeller Low Pressure Valve, 3/8 in. Fan Motor, Down PCB Ass'y Fan Motor Terminal Block, 4p Mount, Fan Motor Wire joint for power Top cap Ass'y Compressor Condenser I...
  • Page 55 - 54 - - 54 -...

This manual is also suitable for:

Fsk-184hfFsk-244hfFsk-484hfFsk-364hf

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