Daikin FTXS-A Series Technical Manual Download Page 10

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Application Information

Refrigerant Circuit Diagrams

Model: FTXS25/35A – RXN25/35F

3 WAY VALVE

MUFFLER

4 W

AY V

Cooling operation

Heating operation

PIPING

LIQUID

ELECTRONIC EXPANSION

VALVE

RETURN AIR SENSOR

HEA

T EX

CHANGER

(OUTDOOR UNIT

)

PIPE TEMPER

ATURE

SENSOR

DISCHARGE PIPE

SENSOR

PIPE TEMPER

ATURE

SENSOR

RETURN AIR SENSOR

HEA

T EX

CHANGER

(OUTDOOR UNIT

)

COMPRESSOR

ACCUMULATOR

STRAINER

OUTDOOR UNIT

INDOOR UNIT

2 WAY VALVE

PIPING

GAS

Model: FTXS50/60A – RXN50/60C

3 WAY VALVE

MUFFLER

4 W

Cooling operation
Heating operation

PIPING

LIQUID

ELECTRONIC EXPANSION

VALVE

RETURN AIR

SENSOR

HEA

T EXCHANGER

(OUTDOOR UNIT)

PIPE TEMPERA

TURE

SENSOR

DISCHARGE PIPE

SENSOR

PIPE TEMPERA

TURE

SENSOR

RETURN AIR

SENSOR

HEA

T EXCHANGER

(OUTDOOR UNIT)

COMPRESSOR

ACCUMULATOR

STRAINER

OUTDOOR UNIT

INDOOR UNIT

2 WAY VALVE

PIPING

GAS

Summary of Contents for FTXS-A Series

Page 1: ...TECHNICAL MANUAL Inverter Single Split Air Conditioner Wall Mounted A Series FTXS A Series Heatpump 50Hz R410A TM 5WMZR SI ARA1...

Page 2: ......

Page 3: ...rmation 4 Operating Range 4 Refrigerant Circuit Diagrams 6 Installation Guideline 7 Sound Data 10 Sound Pressure Level 10 NC Curve 11 Engineering Physical Data 13 Performance Data 14 Calculation Steps...

Page 4: ...ii...

Page 5: ...G XN Power Supply V1 220 240V 1Ph 50Hz Manufacturer X Malaysia Product Series F F Series C C Series Capacity 25 2500 Watt 35 3500 Watt 50 5000 Watt 60 6000 Watt Refrigerant Mode XN R410A Inverter Heat...

Page 6: ...n Handset PCB Fin Air Purification BRC52B61 W203EM WMY10J JR VZ W203EM WMY15J JR VZ W204B WMY20J JR VZ W204B WMY25J JR VZ Hydrophilic Blue Saranet Filter Titanium Apatite Filter HEATPUMP FTXS25AXV1G X...

Page 7: ...Unit RXN Nomenclature Classification Refrigerant Control PCB Fin Compressor EXV 5SLY10FR 5SLY15FR 5SLY20CR 5SLY25CR Hydrophilic Blue Swing HEATPUMP RXN25FXV1G X X X X RXN35FXV1G X X X X RXN50CXV1G X X...

Page 8: ...outside the range of working temperature and humidity can result in serious failure 3 2 5 2 14 15 19 20 10 50 46 43 40 30 20 10 0 INDOOR TEMP CWB OUTDOOR TEMP CDB Model FTXS50 60A RXN50 60C The use of...

Page 9: ...g Model FTXS25 35 50 60A RXN25 35F RXN50 60C The use of your air conditioner outside the range of working temperature and humidity can result in serious failure 20 25 27 30 15 10 20 18 10 0 10 15 20 O...

Page 10: ...URN AIR SENSOR HEAT EXCHANGER OUTDOOR UNIT COMPRESSOR ACCUMULATOR STRAINER STRAINER OUTDOOR UNIT INDOOR UNIT 2 WAY VALVE PIPING GAS Model FTXS50 60A RXN50 60C 3 WAY VALVE MUFFLER 4 WAY VALVE Cooling o...

Page 11: ...on both sides Caulk pipe hole gap with putty Cut thermal insulation pipe to an appropriatelengthandwrapitwith tape makingsurethatnogapisleft in the insulation pipe s cut line Wrap the insulation pipe...

Page 12: ...ation guidelines below For any of the below installation patterns the wall height on the exhaust side should be 1200mm or less Model RXN25 35F Wall facing one side Wall facing two side More than 50 Si...

Page 13: ...mendation as tabulated below Indoor Unit Outdoor Unit L E Model FTXS25A FTXS35A FTXS50A FTXS60A RXN25F RXN35F RXN50C RXN60C Min Allowable Length L m 3 3 Max Allowable Length L m 20 30 Max Allowable El...

Page 14: ...8 21 FTXS35A High 40 38 38 37 34 27 14 41 36 Med 36 32 32 30 26 18 11 34 29 Low 33 29 29 25 21 15 11 30 23 Quiet 24 22 21 17 11 7 7 22 FTXS50A High 35 37 37 36 32 25 12 40 35 Med 34 36 36 34 29 22 11...

Page 15: ...ref 20 Pa Octave band frequency Hz FTXS25A NC 20 NC 30 NC 25 NC 35 NC 40 NC 45 NC 50 NC 55 NC 65 NC 60 NC 70 Q 0 10 20 30 40 50 60 70 80 125 250 500 1000 2000 4000 8000 Sound pressure level dB ref 20...

Page 16: ...20 Pa Octave band frequency Hz FTXS50A NC 20 NC 30 NC 25 NC 35 NC 40 NC 45 NC 50 NC 55 NC 65 NC 60 NC 70 Q 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 17: ...DIRECT CURRENT MOTOR INDEX OF PROTECTION IP IP44 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...

Page 18: ...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 WB Outdoor 35...

Page 19: ...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 20: ...60 2 83 2 37 0 65 2 72 2 32 0 70 2 51 2 18 0 76 2 32 2 07 0 84 36 C 3 07 2 79 0 55 2 97 2 74 0 60 2 86 2 68 0 65 2 76 2 62 0 70 2 55 2 45 0 76 2 37 2 31 0 84 345 16 C 21 C 2 60 1 93 0 54 2 51 1 88 0...

Page 21: ...81 1 07 3 34 2 64 1 16 3 09 2 50 1 28 36 C 4 09 3 38 0 84 3 95 3 32 0 91 3 82 3 25 0 99 3 68 3 17 1 08 3 39 2 97 1 17 3 16 2 80 1 29 358 16 C 21 C 3 47 2 34 0 82 3 34 2 28 0 89 3 21 2 22 0 96 3 08 2 1...

Page 22: ...55 1 67 5 48 4 27 1 81 5 08 4 06 2 00 36 C 6 71 5 48 1 31 6 49 5 37 1 42 6 27 5 26 1 54 6 04 5 14 1 67 5 57 4 81 1 82 5 20 4 54 2 00 529 16 C 21 C 5 70 3 79 1 28 5 49 3 70 1 38 5 28 3 60 1 49 5 06 3 5...

Page 23: ...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 4 1...

Page 24: ...DIRECTION REAR REAR RIGHT LEFT BOTTOM BOTTOM FRONT GRILLE FIXED SCREWS INSIDE LOUVER SIGNAL RECEIVER INDOOR UNIT ON OFF SWITCH ROOM TEMPERATURE THERMISTOR INSIDE NAME PLATE TERMINAL BLOCK WITH EARTH...

Page 25: ...EFT BOTTOM BOTTOM FRONT GRILLE FIXED SCREWS INSIDE LOUVER SIGNAL RECEIVER INDOOR UNIT ON OFF SWITCH ROOM TEMPERATURE THERMISTOR INSIDE NAME PLATE TERMINAL BLOCK WITH EARTH TERMINAL D B G H J L M A K F...

Page 26: ...6 14 470 96 93 94 60 14 133 8 10 299 Note Dimension in mm Model RXN50C 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 I J K L M N 50 855 628 328 520 179 46 93 149...

Page 27: ...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 I J K L M N 60 855 730 328 520 179 46 93 149 101 113 603 126 164 15 Dimension Model O P Q R S T U V 60 34 23 362 73 75 8 67 7 Note...

Page 28: ...24 Wiring Diagram Wiring Diagram Heatpump Indoor Unit Model FTXS25 35A Outdoor Unit Model RXN25 35F POWER SUPPLY 220 240V 1Ph 50Hz L E N WIRED CONTROLLER OPTIONAL...

Page 29: ...25 Wiring Diagram Indoor Unit Model FTXS50 60A Outdoor Unit Model RXN50 60C POWER SUPPLY 220 240V 1Ph 50Hz L E N...

Page 30: ...lle 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...

Page 31: ...laws Titanium Apatite Filter Attached Concept Air Filter Heat exchanger Titanium Apatite Filter 4 Clean or replace each filter See figure When shaking off remaining water do not wring the filter Filte...

Page 32: ...and right Then press the panel forward till it closes tight Refer to C Step1 Step2 Step3 Step3 Don t touch the metal parts of the indoor unit It may cause an injury When removing or attaching the fron...

Page 33: ...ese 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 coils must be regular...

Page 34: ...ons The LED lights are located at the middle of the air conditioner unit The heatpump units are equipped with an auto mode sensor whereby it will provide reasonable room temperature by switching autom...

Page 35: ...o Error Codes 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 T...

Page 36: ...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 37: ...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 38: ...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 installati...

Page 39: ......

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