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Wiring is to be done as shown in the electrical wiring diagram (Do not change the internal wiring)
Use copper conduction only.
How to tighten screw on terminal block.

1. Bare the ends of electric wire.
2. After retaining the wire, check that all the terminal screws are firmly tightened.

FDT21-FDT25

WIRING DIAGRAM

INSTALLATION INSTRUCTIONS

Содержание FDT21

Страница 1: ...T21 FDT25 Read this operating installation instruction carefully and keep it for future reference Capacity Range 21 to 25 Kw Available with Zone Remote Controller O P E R A T I O N I N S TA L L AT I O N M A N U A L DUCTED TYPE SPLIT SYSTEM HEAT PUMP ...

Страница 2: ...tions 11 INSTALLATION INSTRUCTIONS 5 Checking before contacting the service provider 12 6 Indoor Unit Installation 13 7 Outdoor Unit Installation 14 15 8 Pipe Preparation 16 9 Piping length and The Elevation 17 10 Piping Connection 18 11 Air Purging and Check for Pipe Leakage 19 12 Wiring Diagram 20 13 Refrigerant Pipe and Drain Pipe 21 14 Test Running 22 ...

Страница 3: ...rigerant tubing Keep refrigerant tubing clean and dry prior to and during installation to avoid equipment damage Homeowner The user should retain this manual for future reference To ensure the warranty is continued and valid the unit shall be required to be serviced as per section on REGULAR PREVENTIVE MAINTENANCE Attention should be given to the air inlet side of the outdoor coil to ensure that l...

Страница 4: ...4 PART NAMES AND THEIR FUNCTIONS Wired Remote Control OPERATION INSTRUCTIONS ...

Страница 5: ...E When the fan speed is put in auto speed the speed will be adjusted automatically according to the difference between the room temperature and setting temperature If the difference is 3ºC or more the speed is high If the difference is 2ºC the speed is medium If the difference is 1ºC or less the speed is low NOTE The FAN button can not be used in DRY mode NOTE 7 day program only for 4 Zone control...

Страница 6: ... Dehumidifier In dehumidifying the temperature will be reduced An indoor unit will operate intermittently in the cool mode and an outdoor unit 4 Heat Mode The system will operate as the heat pump by switching on the reversing valve relay The room sensor for heat mode is located at the display touch pad 5 Auto Mode The system will operate in either Cool mode or Heat mode automatically depending upo...

Страница 7: ...o confirm Press MENU button to confirm Press button to exit button to exit NOTE To cancel is by pressing POWER button while in this setting mode TIMER OFF Move cursor to position and then press MENU button Press or button for Hour setting Use or button to enter into Minute setting and then press or button for setting Press NOTE To cancel is by press POWER button while in this setting mode OFF 2 EN...

Страница 8: ... button and hold for 5 seconds again Timer on setting Press or button for Hour setting Press button to skip Timer On Setting Use or button to enter into Minute setting and press or button setting Press MENU button to confirm setting Timer off setting Repeat step the same as timer on setting Press button to skip Timer Off Setting Press button to exit 7 day program The LCD 7 day will show on display...

Страница 9: ...filter is dirty it will cause the reduction of airflow The unit is overloaded and consumes 6 more of electricity So regular cleaning is neccessary Check that nothing blocks the air inlet and outlet Cut off the power supply main switch of indoor and outdoor units if not using for heating Running the unit without an air filter can cause malfunctions due to dirt or dust Always install an air filter a...

Страница 10: ...gh the cooling heating coil which effectively will reduce the rated capacities affect the refrigerant superheating and the overall operation of your air conditioner Indoor Coil When the air filter is cleaned as per recommended the indoor coil will require minimal cleaning The life span of the indoor coil will be pro longed for effective heat transfer Outdoor Coil The outdoor coil is required for e...

Страница 11: ...er power supply indicated on the unit to operate the airconditioner and only fuses with specified capacity Do not use pieces of wire instead of fuse Turn off the airconditioner if while running electricity interference occurs If the unit is not to be used for a long time cut off the power supply main switch Do not insert objects into the air inlet or outlet when the airconditioner is running as it...

Страница 12: ... clogged Vapour or mist coming out Hot air in the room mixes with cool air This causes vapour of the unit while running Loosened or disconnected wire between the unit and Inoperative remote control Check if the batteries are inserted in correct directions Check if the batteries are exhausted or not Check the following before contacting the service provider You may find the solution to your problem...

Страница 13: ...that can handle the weight of the indoor unit Where there is irregular electrical supply A place which has easy access for maintenance Remark Supply Return air dimension are F x G J G G I A D C F F E B H A B C D E F G H I J 42FDT21 42FDT25 1790 870 810 1650 440 365 1550 610 1790 1230 1990 870 810 1850 440 365 1750 610 1990 1700 MODEL DIMENSION mm INDOOR UNIT INSTALLATION INSTALLATION INSTRUCTIONS ...

Страница 14: ...dequate for ventilation The location is not close to any flamable gases 7 1 WHERE TO INSTALL OUTDOOR UNIT CAUTION Installation in the following places may cause problems If it is unavoidable to use such places consult with your distributor or dealer place with machine oil saline place such as a place very close to a seashore place with sulphur gas place where high frequency waves are generated by ...

Страница 15: ...15 1150 490 550 1552 192 1110 765 192 90 1462 1552 490 1150 Net Weight Kg 38FDT21 38FDT25 148 172 MODEL OUTDOOR UNIT INSTALLATION INSTALLATION INSTRUCTIONS ...

Страница 16: ...both ends of the pipe with flaring kit by fitting the flare nut on the pipe before flaring Set the die on the pipe so that pipe end is 0 5 mm above top of the die Check if the pipe end is even and perfectly round Cutting Tool Right Wrong 90 90 90 Sloped Cut Rough Cut Refrigerant Tube Reamer Up side down position 0 5 mm Flare Kit Refrigerant Tube Uneven Poor Skin Cracked Uneven Slope Thickness 8 1 ...

Страница 17: ...lled every 10 meters CAUTION Indoor Unit Outdoor Unit Outdoor Unit Indoor Unit Indoor Unit Outdoor Unit Oil trap A A A B B B If is more than 10 m Pipe Size A B Diameter Ø Piping Length Elevation Model No inch m m 42FDT21 42FDT25 7 8 1 2 50 15 120 1 1 8 1 2 50 15 120 B PIPING LENGTH AND THE ELEVATION INSTALLATION INSTRUCTIONS ...

Страница 18: ... CONNECTION TO THE INDOOR UNIT Do not remove the cap from the pipes until just before connecting them This is to prevent humidity or dirt from entering the pipes If a pipe is bent too many times it will become stiff do not bend the same part of the pipe more than 3 times When unwinding the pipe be careful not to pull it Unroll it as shown in the figure YES NO indoor unit protection caps service po...

Страница 19: ...onnect a gauge into the service port and a vacuum pump Vacuum indoor unit and connecting pipe until the gauge indicates at 30 inches mercury pressure Remove gauge Tighten up the nut of the service port Use a hexagonal wrench to open both high pressure and low pressure valves to the end counter clockwise Tighten the blank cap of the three way valve GAS LEAKING CHECK Check leakage by apply soapsuds ...

Страница 20: ...Do not change the internal wiring Use copper conduction only How to tighten screw on terminal block 1 Bare the ends of electric wire 2 After retaining the wire check that all the terminal screws are firmly tightened FDT21 FDT25 WIRING DIAGRAM INSTALLATION INSTRUCTIONS ...

Страница 21: ... top 3 All pipes are bound together by tape and restrained to the wall by saddles IF THE OUTDOOR UNIT IS INSTALLED HIGHER THAN THE INDOOR UNIT picture 2 1 Taping should done from lower to upper part 2 All pipes are bound and taped together and trapped the pipes to prevent water returning to the room see picture 3 Restrain all pipes to the wall with saddles Picture 1 Picture 2 Drain Pipe Saddle Sea...

Страница 22: ...inutes or more Check the electrical current with ampmeter and compare with the specifications Check electrical main wire s voltage Use a thermometer to measure cool air both in and out The difference between in air and out air temperature should not be less than 8ºC Thermometer TEST RUNNING INSTALLATION INSTRUCTIONS ...

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