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Service & Maintenance

Service & Maintenance

•  Disconnect from main supply before servicing the air conditioner.

•  The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly 

checked and the following items should be given due attention.

Components

Maintenance Procedures

Period

Air Filter
(Indoor Unit)

1.  Remove any dust adhering to the 

fi

 lter by using a vacuum cleaner 

or wash in lukewarm water (below 40

˚

C) with a neutral cleaning 

detergent.

2. Rinse the 

fi

 lter well and dry before placing it back onto the unit.

3.  Note: Never use gasoline, volatile substances or chemicals to 

clean the 

fi

 lter.

At least once every 2 
weeks.
More frequently if 
necessary.

Indoor Unit

1.  Clean any dirt or dust on the grille or panel by wiping it with a 

soft cloth soaked in lukewarm water (below 40

˚

C) and a neutral 

detergent solution.

2.  Note: Never use gasoline, volatile substances or chemicals to 

clean the indoor unit.

At least once every 2 
weeks.
More frequently if 
necessary.

Condense Drain 
Pan & Pipe

1.  Check the cleanliness and clean it if necessary.
2.  Check the condensate water 

fl

 ow.

Every 3 months.

Indoor Fan

Check if there is any abnormal noise.

If necessary.

Indoor / Outdoor 
Coil

1.  Check and remove the dirt between the 

fi

 ns.

2.  Check and remove any obstacles which hinder air 

fl

 ow through 

the indoor or outdoor.

Every month.

Power Supply

1.  Check the running current and voltage for indoor and outdoor 

unit.

2.  Check the electrical wiring and tighten the wire onto the terminal 

block if necessary.

Every 2 months.

Every year.

Compressor

No maintenance needed if refrigerant circuit remains sealed. How-
ever, check for refrigerant leak at joint and 

fi

 tting.

Every 6 months.

Indoor Models

1.  Open the front panel

•  Hold the panel at the recesses on the main unit 

(2 recesses on right and left sides) and lift it until 
it stops.

2.  Remove the front panel

•  While lifting the front panel further, slide it to the 

right and pull it to the front side. The left rotating 
shaft is detached. Slide the right rotating shaft to 
the left and pull it to the front side to remove it.

3.  Attach the front panel

•  Align the right and left rotating shafts of the front 

panel with the grooves and push them all the 
way in.

•  Gently close the front panel. (Push both ends 

and the center on the front panel.)

Rotating

shaft

Recess on

main unit

•  Don’t touch the metal parts of the indoor unit. It may cause an injury.

•  When removing or attaching the front panel, use a robust and stable stool and watch your steps carefully.

•  When removing or attaching the front panel, support the panel securely with hand to prevent from it falling.

•  For cleansing, do no use hot water above 40°C, benzene, gasoline, thinner, nor other volatile oils, polishing 

compound, scrubbing brushes, nor other hand stuff.

•  After cleaning, make sure that the front panel is securely 

fi

 xed.

Summary of Contents for FTK-J series

Page 1: ...TECHNICAL MANUAL Inverter Single Split Series Air Conditioner FTK J FTXN J Series Cooling only Heatpump 50Hz TM 5WMY J ST A2 R410A...

Page 2: ...rmation 4 Operating Range 4 Refrigerant Circuit Diagrams 5 Installation Guideline 6 Sound Data 10 Sound Pressure Level 10 NC Curve 11 Engineering Physical Data 13 Performance Data 15 Calculation Steps...

Page 3: ...ower Supply V1 220 240V 1 Phase 50 Hz Factory Origin X Malaysia Product Series F F Series C C Series Capacity 25 2500 Watt System K Inverter Cooling Only XN Inverter Heat Pump Revision Original Copy 9...

Page 4: ...ion Handset PCB Air Purifi cation BRC52A62 BRC52A61 W_2_03C W_2_04A Saranet Filter Titanium Apatite Filter COOLING FTK25JXV19 X X X X FTK35JXV19 X X X X FTK50JXV19 X X X X FTK60JXV19 X X X X HEATPUMP...

Page 5: ...EXV Main PCB ADGPA31 Main PCB 2P273854 Filter PCB 3P273862 Hydrophilic Blue Hydrophilic Gold Bare Aluminium Swing Drain Elbow COOLING RK25FXV19 X X X X RK35FXV19 X X X X RK50CXV19 X X X X X RK60CXV19...

Page 6: ...ation Operating Range Ensure the operating temperature is in allowable range Cooling FTK25 35JXV19 RK25 35FXV19 FTXN25 35JXV1 RXN25 35FXV1 FTK50 60JXV19 RK50 60CXV19 FTXN50 60JXV1 RXN50 60CXV1 Heating...

Page 7: ...ELECTRONIC EXPANSION VALVE PIPE TEMPERATURE SENSOR RETURN AIR SENSOR HEAT EXCHANGER OUTDOOR UNIT Model FTXN25JXV1 RXN25FXV1 FTXN35JXV1 RXN35FXV1 FTXN50JXV1 RXN50CXV1 FTXN60JXV1 RXN60CXV1 3 WAY VALVE...

Page 8: ...iling Caulk pipe hole gap with putty Cut thermal insulation pipe to an appropriate length and wrap it with tape making sure that no gap is left in the insulation pipe s cut line Wrap the insulation pi...

Page 9: ...ines below For any of the below installation patterns the wall height on the exhaust side should be 1200mm or less Model RK25 35FXV19 RXN25 35FXV1 Wall facing one side Wall facing two side More than 5...

Page 10: ...ze Number of wire mm2 1 5 3 2 5 3 Interconnection cable size Number of wire mm2 1 5 4 2 5 4 Recommended fuse A 16 20 Model Unit FTXN25JXV1 FTXN35JXV1 FTXN50JXV1 FTXN60JXV1 RXN25CXV19 RXN35CXV19 RXN50C...

Page 11: ...35 50 60 Min Allowable Length L m 3 3 Max Allowable Length L m 20 30 Max Allowable Elevation E m 10 10 Gas Pipe Size mm in 9 52 3 8 12 70 1 2 15 88 5 8 Liquid Pipe Size mm in 6 35 1 4 6 35 1 4 Additio...

Page 12: ...8 37 34 27 14 41 36 Me 36 32 32 30 26 18 11 34 29 Lo 33 29 29 25 21 15 11 30 23 Quiet 24 22 21 17 11 7 7 22 FTK50JXV19 FTXN50JXV1 Turbo 39 41 40 40 37 29 16 44 39 Hi 35 37 37 36 32 25 12 40 35 Me 34 3...

Page 13: ...ctave band frequency Hz FTK25JXV19 FTXN25JXV1 NC 20 NC 30 NC 25 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 H M L 0 10 20 30 40 50 60 70 80 125 250 500 1000 2000 4000 8000 Octave band frequency Hz FTK35...

Page 14: ...50JXV1 NC 20 NC 30 NC 25 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 H M L Sound pressure level dB ref 20 Pa 0 10 20 30 40 50 60 70 80 125 250 500 1000 2000 4000 8000 Sound pressure level dB ref 20 Pa O...

Page 15: ...E RATED INPUT POWER W 37 42 37 63 RATED RUNNING CURRENT A 0 19 0 21 0 32 0 56 MOTOR OUTPUT W 18 18 40 40 POLES 4 4 8 8 COIL TUBE MATERIAL COPPER COPPER COPPER COPPER DIAMETER mm 7 7 7 7 FIN MATERIAL A...

Page 16: ...44 IP20 IP20 INSULATION GRADE CLASS E CLASS E CLASS E CLASS E RATED INPUT POWER W 37 42 37 63 RATED RUNNING CURRENT A 0 19 0 21 0 32 0 56 MOTOR OUTPUT W 18 18 40 40 POLES 4 4 8 8 COIL TUBE MATERIAL CO...

Page 17: ...needs to be applied 3 Refer to the Outdoor DB column 37 C is located between 35 C 40 C Thus Interpolation needs to be applied 1st Step Interpolation of Indoor WB Find TC SC PI a Indoor 25 C DB 16 C W...

Page 18: ...ition 25 C DB 17 C WB Outdoor Condition 35 C DB EWB EDB Outdoor temperature 35 C TC SC PI 16 25 2 35 2 35 0 68 17 x5 y5 z5 19 2 55 1 92 0 69 By Interpolation Method 17 C 16 C x5 2 35 kW 19 C 16 C 2 55...

Page 19: ...0 C 2 78 2 65 0 54 2 69 2 59 0 59 2 59 2 53 0 63 2 49 2 47 0 69 2 29 2 29 0 75 2 13 2 13 0 82 33 C 2 83 2 83 0 54 2 74 2 74 0 59 2 66 2 66 0 64 2 57 2 57 0 69 2 38 2 38 0 75 2 22 2 22 0 83 22 C 27 C 3...

Page 20: ...3 58 3 12 0 90 3 45 3 05 0 97 3 32 2 97 1 05 3 06 2 78 1 14 2 84 2 63 1 26 33 C 3 77 3 77 0 83 3 66 3 66 0 90 3 54 3 54 0 98 3 42 3 42 1 06 3 17 3 17 1 15 2 96 2 96 1 27 22 C 27 C 4 05 2 20 0 84 3 91...

Page 21: ...5 88 4 85 1 39 5 67 4 74 1 51 5 45 4 63 1 64 5 02 4 33 1 78 4 66 4 09 1 96 33 C 6 19 6 19 1 29 6 01 6 01 1 40 5 81 5 81 1 52 5 62 5 62 1 65 5 21 5 21 1 79 4 87 4 87 1 98 22 C 27 C 6 65 3 42 1 31 6 42...

Page 22: ...6 62 5 61 1 59 6 38 5 49 1 72 6 13 5 35 1 87 5 65 5 00 2 03 5 24 4 73 2 23 33 C 6 97 6 97 1 47 6 76 6 76 1 59 6 54 6 54 1 73 6 32 6 32 1 88 5 86 5 86 2 04 5 48 5 48 2 25 22 C 27 C 7 48 3 95 1 49 7 22...

Page 23: ...3 2 52 0 65 2 72 2 47 0 70 2 51 2 32 0 76 2 32 2 20 0 84 36 C 3 07 2 97 0 55 2 97 2 91 0 60 2 86 2 85 0 65 2 76 2 76 0 70 2 55 2 55 0 76 2 37 2 37 0 84 345 16 C 21 C 2 60 2 06 0 54 2 51 2 00 0 58 2 41...

Page 24: ...63 2 97 1 07 3 34 2 79 1 16 3 09 2 65 1 28 36 C 4 09 3 57 0 84 3 95 3 50 0 91 3 82 3 43 0 99 3 68 3 35 1 08 3 39 3 14 1 17 3 16 2 96 1 29 358 16 C 21 C 3 47 2 48 0 82 3 34 2 41 0 89 3 21 2 35 0 96 3...

Page 25: ...4 62 1 67 5 48 4 33 1 81 5 08 4 11 2 00 36 C 6 71 5 55 1 31 6 49 5 45 1 42 6 27 5 33 1 54 6 04 5 21 1 67 5 57 4 88 1 82 5 20 4 60 2 00 529 16 C 21 C 5 70 3 85 1 28 5 49 3 75 1 38 5 28 3 65 1 49 5 06...

Page 26: ...5 34 1 90 6 17 5 01 2 06 5 72 4 76 2 27 36 C 7 55 6 42 1 50 7 31 6 30 1 62 7 05 6 17 1 76 6 80 6 03 1 91 6 27 5 64 2 07 5 85 5 32 2 28 654 16 C 21 C 6 41 4 45 1 45 6 17 4 34 1 57 5 94 4 22 1 70 5 69...

Page 27: ...OOR UNIT ON OFF SWITCH ROOM TEMPERATURE THERMISTOR INSIDE NAME PLATE TERMINAL BLOCK WITH EARTH TERMINAL Note Dimension in mm H I F E J G G L D B K M A Gas pipe end Liquid pipe end Through the wall hol...

Page 28: ...E F G H I J K L M 25 35 800 288 212 104 141 30 46 55 56 153 181 207 52 All dimensions are in mm Note Dimension in mm D B G H J L M A K F I G F E Through the wall hole 65mm Drain hose position Liquid p...

Page 29: ...16 14 470 96 93 94 60 14 133 8 10 299 All dimensions are in mm Note Dimension in mm Model RK50 60CXV19 RXN50 60CXV1 B A Q P R S D O K L L M N F E C G H I J N 3 0 U T V Dimension Model A B C D E F G H...

Page 30: ...8 Wiring Diagram Wiring Diagram Cooling Only Indoor Unit Model FTK25 35JXV19 Outdoor Unit Model RK25 35FXV19 TU RB O QU IE T SLE EP MO DE TIM ER CAN CEL ON OF F SW IN G FAN CAN CEL CLO CK WIRED HANDSE...

Page 31: ...29 Wiring Diagram Indoor Unit Model FTK50 60JXV19 Outdoor Unit Model RK50 60CXV19 TUR BO QU IE T SLE EP MO DE TIM ER CAN CEL ON OF F SW IN G FAN CAN CEL CLO CK WIRED HANDSET...

Page 32: ...30 Wiring Diagram Heatpump Indoor Unit Model FTXN25 35JXV1 Outdoor Unit Model RXN25 35FXV1 TU RB O QU IE T SLE EP MO DE TIM ER CAN CEL ON OF F SW IN G FAN CAN CEL CLO CK WIRED HANDSET...

Page 33: ...31 Wiring Diagram Indoor Unit Model FTXN50 60JXV1 Outdoor Unit Model RXN50 60CXV1 TUR BO QU IE T SLE EP MO DE TIM ER CAN CEL ON OF F SW IN G FAN CAN CEL CLO CK WIRED HANDSET...

Page 34: ...ugh the indoor or outdoor Every month Power Supply 1 Check the running current and voltage for indoor and outdoor unit 2 Check the electrical wiring and tighten the wire onto the terminal block if nec...

Page 35: ...circumstances these outdoor units only require a check and cleaning of air intake coil surface once every 3 months However if a unit is installed in areas subjected to much oil mist and dust the coil...

Page 36: ...eeps Others 1 Short Beep Cooling Unit Heatpump Unit The table below shows the LED indicator lights for the air conditioner unit under normal operation and fault conditions The LED lights are located a...

Page 37: ...IMER ORANGE Operation Fault Indication Green Cooling mode Red Heating mode Red Auto mode in heating operation Green Auto mode in cooling operation Time Off when unit is on Sleep mode on Green Fan mode...

Page 38: ...table and is displayed on the temperature display section 3 A short beep or two consecutive beeps indicate non corresponding error codes 4 To cancel the error code display hold down ON TIMER CANCEL b...

Page 39: ...Check the intake air filter 3 Check dust accumulation on indoor coil 4 Check wiring and piping 5 Check the EXV 6 Check indoor coil sensor resistance value 7 Check refrigerant level 8 Check room senso...

Page 40: ...line on blockage or shortage F6 Heat exchanger overheat 1 Check the installation space 2 Check the outdoor fan 3 Check the EXV 4 Check the coil sensor H0 Compressor sensor system abnormality 1 Check t...

Page 41: ...Heat sink overheat 1 Restart the system 2 Check the silicon grease condition on heat sink 3 Check sensor resistance value 4 Check heat sink temperature and conditions 5 Check outdoor fan 6 Check the i...

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