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Daikin FTXN25MV1B, Technical Manual

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Daikin FTXN25MV1B Technical Manual Download Page 48

44

Troubleshooting

 Error Codes 

Error Description 

Action 

L5

IPM error / IGBT error

1. Check stop valve. 

2. Check with inverter checker. 

3. Check the power transistor. 

4. Check the supply voltage. 

5. Check the compressor phase. 

6. Check the discharge pressure. 

7. Check the installation condition. 

L8

Electrical thermal switch 

Contact dealers for assistance. 

L9

Stall prevention

1. Check installation conditions. 

2. Check stop valve. 

3. Check difference between high and low pressure side. 

4. Check continuity on the power transistor. 

5. Check the output voltage. 

P1

Open phase or voltage unbalance

1. Check LED on outdoor PCB. 

2. Check open phase of power supply voltage. 

3. Check voltage balance between phases. 

P4

Heat sink thermistor short / open

Same as H9. 

PJ

Capacity setting error

1. Check the connection between capacitor and Outdoor PCB. 

Summary of Contents for FTXN25MV1B

Page 1: ...TECHNICAL MANUAL Split Unit Air Conditioner Inverter Multi Split Series MX B Series Cooling only Heatpump 50Hz TM 5MSY B ST A1 R410A...

Page 2: ......

Page 3: ...1 Outdoor 2 Product Line Up 3 Application Information 6 Operating Range 6 Refrigerant Circuit Diagrams 7 Installation Guideline 8 Engineering Physical Data 20 Performance Data 23 Outline Dimension 26...

Page 4: ...ii...

Page 5: ...gerant N R410A Model FT Wall Mounted Cooling Only FTX Wall Mounted Inverter Heatpump FLQ 100 E X V1 Power Supply Symbol V1 1 Phase 50 Hz 240V Production X OYLM Product Series C C series E E series Cap...

Page 6: ...650 Btu h 4kW 50 18 400 Btu h 5 4kW 60 22 200 Btu h 6 5kW 80 26 100 Btu h 7 65kW It might differ with the actual rated capacity Always refer to engineering physical data or performance table Multi Spl...

Page 7: ...out Air Filter Auto restart Heatpump FTXN25MV1B X X X X X X FTXN45MV1B X X X X X X FTXN50MV1B X X X X X X Indoor Unit Ceiling Cassette FFQ CXV1 FCQ EXV1 Series Model Classification Panel Handset PCB F...

Page 8: ...ranet Filter Without Air Filter Auto restart Heatpump FDMQ25C2XV1 X X X X X X FDMQ35CXV1 X X X X X X FDMQ50CXV1 X X X X X X Indoor Unit Ceiling Mounted FLQ EXV1 Series Model Classification Panel Hands...

Page 9: ...fication Compressor Fin Refrigerant Control Others Others DC Inverter Swing Hydrophilic Blue Expansion Device Without Expansion Device Drain Elbow Drain Elbow Heatpump 2MX45BGXV1 X X X X X 2MX50BGXV1...

Page 10: ...4MX80BGXV1 Heating Outdoor WB C Indoor DB C Cooling Outdoor DB C Indoor WB C 16 15 20 27 18 46 43 10 12 23 19 10 Heatpump 2MX45BGXV1 Heating Outdoor WB C Indoor DB C 16 15 20 27 18 10 Cooling Outdoor...

Page 11: ...7 Application Information Refrigerant Circuit Diagrams Model 2MX45BGXV1 2MX50BGXV1 Model 3MX60BGXV1 4MX80BGXV1...

Page 12: ...ing three sides More than 350 More than 50 More than 50 Top View Top View Side View More than 100 More than 350 More than 100 More than 350 More than 50 Unit mm 1200 or less Before installing the pipi...

Page 13: ...left in the insulation pipe s cut line Wrap the insulation pipe with the finishing tape from bottom to top Before installing the unit ensure that the power supply matches the power requirement of the...

Page 14: ...igh supply fluctuation Ensure that the location is convenient for wiring piping and drainage The indoor unit must be installed in such that free from any obstacles in path of cool air discharge and wa...

Page 15: ...on template are same as those of the ceiling opening dimensions Before ceiling laminating work is completed be sure to fit the installation template to the indoor unit Note Be sure to discuss the ceil...

Page 16: ...ctuation Ensure that the location is convenient for wiring piping and drainage The indoor unit must be installed in such that free from any obstacles in path of cool air discharge and warm air return...

Page 17: ...use high supply fluctuation Ensure that the location is convenient for wiring piping and drainage Standard Mounting Ensure that the overhead supports are strong enough to hold the weight of the unit P...

Page 18: ...the cool discharge air with the warm return air Do not install the indoor unit where there is direct sunlight shining on the unit The location should be suitable for piping and drainage installation...

Page 19: ...ceiling before installation 3 Refer to the dimension given to install the unit Install the Indoor Unit 1 Insert the suspension bolts into the fittings of the hanger bracket 2 Set the nuts and washer o...

Page 20: ...OR 123 0 509 0 458 0 Min 141 0 Min 599 0 1 Refer to the dimension as illustrated when installing the mounting bracket 2 Determine the pipe hose position using the rear piping hole Drill the pipe hole...

Page 21: ...m Total Piping Length m Single Indoor Maximum Piping Length m Maximum Height Difference m Pre charged Total Piping Length m Outdoor Unit Pre charged kg Amount of Additional Charge g m 2MX45BGXV1 2 Por...

Page 22: ...L 1 2 SIG N L 1 2 SIG N L 1 2 SIG N L Power Supply There must be a double pole switch with a minimum 3 mm contact gap and fuse circuit breaker as recommended in the fixed installation circuit All wiri...

Page 23: ...use A 25 25 Model FFQ25CXV1 FFQ35CXV1 FFQ50CXV1 Voltage Range 220V 240V 1Ph 50Hz Power supply cable size Number of conductors mm2 3 0 3 3 0 3 3 0 3 Interconnection cable size Number of conductors mm2...

Page 24: ...47 48 49 UNIT DIMENSION HEIGHT X WIDTH X DEPTH mm 550 x 765 x 285 756 x 855 x 328 PACKING DIMENSION HEIGHT X WIDTH X DEPTH mm 610 x 895 x 360 793 x 990 x 415 UNIT WEIGHT kg 34 45 55 PIPE CONNECTION T...

Page 25: ...B 6 C WB ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE Engineering Data FFQ CXV1 Series R410A model MODEL INDOOR UNIT FFQ25CXV1 FFQ35CXV1 FFQ50CXV1 OUTDOOR UNIT R...

Page 26: ...ED UNIT COOLING HEATING INDOOR 27 C DB 19 C WB INDOOR 20 C DB OUTDOOR 35 C DB 24 C WB OUTDOOR 7 C DB 6 C WB ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE Engineer...

Page 27: ...2 50 2 50 5 00 5 80 1470 1910 3 40 6 40 8 40 25 35 2 13 2 97 5 10 6 00 1550 2140 3 29 6 90 9 40 25 50 1 75 3 45 5 20 6 00 1500 2070 3 47 6 60 9 10 35 35 2 55 2 55 5 10 6 00 1400 2140 3 64 6 20 9 40 35...

Page 28: ...3 82 6 50 7 40 2300 3200 2 83 10 30 14 20 25 25 50 1 91 1 91 2 68 6 50 7 90 2120 2800 3 07 9 40 12 20 25 35 35 1 70 2 40 2 40 6 50 8 00 2030 2650 3 20 8 90 11 70 25 35 50 1 48 2 07 2 95 6 50 8 40 1702...

Page 29: ...1 50 14 20 25 25 50 2 25 2 25 3 15 7 65 7 90 2430 2800 3 15 10 60 12 20 25 35 35 2 01 2 82 2 82 7 65 8 00 2400 2650 3 19 10 50 11 70 25 35 50 1 74 2 43 3 48 7 65 8 40 2370 2800 3 23 10 50 12 30 35 35...

Page 30: ...m Outdoor Unit Model 2MX50BGXV1 3MX60BGXV1 4MX80BGXV1 Dimension Model A B C D E F G H I J K L 2MX50 3MX60 4MX80BGXV1 940 348 753 855 392 733 603 328 303 370 362 271 Dimension Model M N O P Q R S T U V...

Page 31: ...27 Outline Dimension Indoor Unit Model FTXN25 35MV1 Note Dimension in mm Indoor Unit Model FTXN50MV1 Note Dimension in mm...

Page 32: ...275 20 640 640 408 408 364 364 Note Dimension in mm Indoor Unit Model FDMQ25C2XV1 FDMQ35 50CXV1 Dimension Model A B C D E F G H I J K L M N O FDMQ25C2XV1 FDMQ35CXV1 31 881 842 802 10 905 72 261 411 35...

Page 33: ...29 Outline Dimension Indoor Unit Model FLQ35 50 1080 0 928 0 218 0 65 0 630 0 400 0 230 0 Note Dimension in mm...

Page 34: ...Model 2MX45BGXV1 Outdoor Unit Model 2MX50BGXV1 LED A Service monitor LED green SW3 Wiring error check switch LED1 LED4 Service monitor LED red SW4 Priority room setting switch SW1 Forced operation ON...

Page 35: ...X60BGXV1 Outdoor Unit Model 4MX80BGXV1 LED A Service monitor LED green SW3 Wiring error check switch LED1 LED4 Service monitor LED red SW4 Priority room setting switch SW1 Forced operation ON OFF swit...

Page 36: ...32 Wiring Diagram Indoor Unit Model FTXN25 35MV1 Indoor Unit Model FTXN50MV1...

Page 37: ...33 Wiring Diagram Indoor Unit Model FFQ25 35 50CXV1 Indoor Unit Model FDMQ25 35C2XV1...

Page 38: ...34 Wiring Diagram Indoor Unit Model FDMQ50CXV1 Indoor Unit Model FLQ35EXV1...

Page 39: ...35 Wiring Diagram Indoor Unit Model FLQ50EXV1...

Page 40: ...Check if there is any abnormal noise If necessary Indoor Outdoor Coil 1 Check and remove the dirt between the fins 2 Check and remove any obstacles which hinder air flow through the indoor or outdoor...

Page 41: ...fter cleaning make sure that the front panel is securely fixed Pre Start Up Maintenance After Extended Shutdown p Inspect thoroughly and clean indoor and outdoor units p Clean or replace air filters p...

Page 42: ...to the coil may cause odor Contact your nearest dealer 4 Condensation on the front air grille of the indoor unit This is caused by air humidity after an extended period of operation The set temperatur...

Page 43: ...he heatpump units are equipped with an auto mode sensor whereby it will provide reasonable room temperature by switching automatically to either cool or heat mode according to the temperature set by t...

Page 44: ...y hold down ON TIMER CANCEL or OFF TIMER CANCEL button for 5 seconds Alternatively the code display will cancel itself if the button is not pressed for 1 minute Error Code Diagnosis by Unit Last State...

Page 45: ...frigerant level 3 Check refrigerant line on blockage UH Anti freeze function in other room 1 Check which indoor having error A5 2 Check the supply voltage 3 Check the indoor and outdoor model name A1...

Page 46: ...ortage E6 Compressor lock start up error 1 Check with inverter checker 2 Check the EXV E7 Outdoor DC fan motor lock 1 Check the fan motor connection 2 Check if foreign matters exist around or in the f...

Page 47: ...mpressor discharge pipe thermistor short open misplaced 1 Check the sensor connection 2 Check the sensor resistance value 3 Check indoor coil sensor resistance value J5 Suction pipe thermistor short o...

Page 48: ...itch Contact dealers for assistance L9 Stall prevention 1 Check installation conditions 2 Check stop valve 3 Check difference between high and low pressure side 4 Check continuity on the power transis...

Page 49: ...EXCHANGER OVERHEAT HEATING HEAT EXCHANGER OVERHEAT COMPRESSOR SENSOR SYSTEM ERROR COMPRESSOR FEEDBACK DETECTION ERROR AC CURRENT SENSOR ERROR OUTDOOR AIR THERMISTOR SHORT OPEN COMPRESSOR DISCHARGE PI...

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