Daikin 2MX45BGXV1 User Manual Download

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TECHNICAL MANUAL

Split Unit Air Conditioner

Inverter Multi Split Series

MX-B Series

— Cooling only & Heatpump [50Hz] —

TM-5MSY-B-ST-A1

R410A

Summary of Contents for 2MX45BGXV1

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 ...

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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 Wiring Diagram 30 Service Maintenance 36 Troubleshooting 38 ...

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Page 5: ...igerant 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 Capacity Indication 100 10000 W It might differ with the actual rated capacity Always refer to engineering physical data or performance table Model FCQ Ceiling Cassette 3ft x 3ft FFQ Ceiling Cassette 2f...

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 Split Inverter Heatpump Indoor Quantity 2 2 Indoor Units 3 3 Indoor Units 4 4 Indoor Units Generation Minor Changes Generation Series ...

Page 7: ...hout 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 Fin Refrigerant Control Air Purifi cation Others BYCQ20CXW BRC52A61 C_2_01A M Hydrophilic Blue Expansion Device Without Expansion Device Saranet Filter Without Air Filter Auto restart Heatpump FFQ25CX...

Page 8: ...aranet 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 Handset PCB Fin Refrigerant Control Air Purifi cation Others BRC52A61 C_2_01A M Hydrophilic Blue Expansion Device Without Expansion Device Saranet Filter Without Air Filter Auto restart Heatpump FLQ35EXV1...

Page 9: ...ification 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 X X X X X 3MX60BGXV1 X X X X X 4MX80BGXV1 X X X X X ...

Page 10: ...1 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 DB C Indoor WB C 12 19 23 46 43 10 The use of your air conditioner outside the range of working temperature and humidity can result in serious failure ...

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

Page 12: ...cing 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 piping and connecting cord please remove the access panel and plastic valve cover for easy access Refer to figures shown below There are 2 holes on the base of Outdoor Unit for condensed water to flow ou...

Page 13: ...s 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 air conditioner Installation of Indoor Unit Service Space Install the indoor unit at a location with the following requirements Location is suitable for wiring piping and drainage No obstruction of ...

Page 14: ...high 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 warm air return and must allow spreading or air throughout the room near the centre of the room Clearance must be provided for the indoor unit from the wall and obstacles as shown in the figure Min 1 0...

Page 15: ...ion 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 ceiling drilling work with the installers concerned Unit Hanging Indoor Unit Ceiling Board 30 0mm FFQ CXV1 Confirm the pitch of the hanging rod is 770mm x 622mm sharp Hold the unit and hand it on the han...

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 and must allow spreading or air throughout the room near the centre of the room Clearance must be provided for the indoor unit from the wall and obstacles as shown in the figure Use the hanger supplie...

Page 17: ...ause 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 Position the hanger rods wall mounting bracket for floor standing and check for its alignment with the unit as shown in Fig below Also check that the hangers are secured and the base of the fan coil u...

Page 18: ...f 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 The unit must be a large distance away from the door 10 0mm Min 300 0mm Min 500 0mm Min 90 0mm Max 250 0mm Utensils Furnitures Or Built In Architectural Features Must Not Protrude More Then 250 0mm M...

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 on the both side of the metal fittings 3 Secure it with nuts 4 Attach the hanger cover 4 pcs to the units SUSPENSION BOLT SUSPENSION BOLT HANGER COVER HANGER COVER HANGER ROD 28 0 ...

Page 20: ...OOR 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 at the slight downward slant to the outdoor side MOUNTING BRACKET WALL HOCK THE UNIT ON THE MOUNTING BRACKET ...

Page 21: ...um 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 Ports L1 L2 30 L 20 H 15 15 1 2 20 2MX50BGXV1 2 Ports L1 L2 50 L 25 H 15 30 2 0 20 3MX60BGXV1 3 Ports L1 L2 L3 60 L 25 H 15 30 2 6 20 4MX80BGXV1 4 Ports L1 L2 L3 L4 60 L 25 H 15 30 2 6 20 AIR FILTER FRO...

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 wiring must be connected accordingly to the diagram above with reference to the piping connection Mismatch any wiring with different piping will cause severe damage to the system All wires must be firmly...

Page 23: ...fuse 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 1 5 4 1 5 4 2 5 4 Recommended time delay fuse A 25 25 25 Model FDMQ25C2XV1 FDMQ35CXV1 FDMQ50CXV1 Voltage Range 220V 240V 1Ph 50Hz Power supply cable size Number of conductors mm2 3 0 3 3 0 3 3 0 3 In...

Page 24: ...A 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 TYPE FLARE SIZE LIQUID mm 2 x 6 35 3 x 6 35 4 x 6 35 GAS mm 2 x 9 52 2 x 12 7 1 x 9 52 2 x 12 7 FAN TYPE PROPELLER DRIVE DIRECT FAN MOTOR TYPE DC BRUSHLESS INDEX OF PROTECTION IP IP23 IP34 INSULATION ...

Page 25: ...DB 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 RX25DGXV1 RX35DGXV1 RX50CGXV1 INDOOR UNIT CONTROL AIR DISCHARGE 4 WAY AUTOMATIC LOUVER UP DOWN OPERATION WIRELESS OR WIRED MICROCOMPUTER REMOTE CONTROL AIR FLOW HIGH l s CFM 189 400 193 410 212 450 ME...

Page 26: ...TED 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 Engineering Data FLQ EXV1 Series R410A model MODEL INDOOR UNIT FLQ35EXV1 FLQ50EXV1 INDOOR UNIT CONTROL AIR DISCHARGE AUTOMATIC LOUVER UP DOWN OPERATION WIRELESS OR WIRED MICROCOMPUTER REMOTE CONTROL AIR FLOW...

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 50 2 22 3 18 5 40 6 20 1378 1720 3 92 6 10 7 60 Applicable for indoor size 15 using Ø9 52mm gas pipe Cooling Mode Combination of indoor unit Each capacity kW Total capacity kW Total input W EER Total...

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 2800 3 82 7 60 12 30 35 35 35 2 16 2 16 2 16 6 48 8 00 1900 2900 3 41 8 50 12 70 Applicable for indoor size 15 using Ø12 70mm gas pipe Note It is not recommended to connect the multi split outdoor to...

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 35 2 55 2 55 2 55 7 65 8 00 2200 2900 3 48 9 70 12 70 25 25 25 35 1 74 1 74 1 74 2 43 7 65 9 10 2113 2950 3 62 9 30 13 00 Applicable for indoor size 15 using Ø12 70mm gas pipe Note It is not recommend...

Page 30: ...mm 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 W X 2MX50 3MX60 4MX80BGXV1 448 190 80 58 180 32 39 126 32 15 23 44 Note Dimension in mm ...

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 72 261 411 351 225 211 232 213 114 FDMQ50CXV1 31 1041 1002 962 10 1065 72 261 411 351 225 211 232 213 114 B D C H E A M N F G O I J K L Note Dimension in mm ...

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 OFF switch SW5 Night quiet mode setting switch ...

Page 35: ...MX60BGXV1 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 switch SW5 Night quiet mode setting switch ...

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 3 Note Avoid direct contact of any coil treatment material on the plastic part This may cause plastic part to deform as a result of chemical reaction Every month Power Supply 1 Check the running curr...

Page 41: ...After 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 Clean condensates drain line p Clean clogged indoor and outdoor coils p Check fan imbalance before operation p Tighten all wiring connections and panels p Check for refrigerant leakage Outdoor Model...

Page 42: ...nto 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 temperature is too low Increase the temperature setting and operate the unit at high fan speed 5 Water flowing out from the air conditioner Switch off the unit and contact your nearest dealer This might be due...

Page 43: ...The 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 the user Model FTXN25 35 50V1 FFQ25 35 50CXV1 FLQ35 50EXV1 FDMQ25 35 50CXV1 IR Receiver ON OFF Cool Heat Timer Sleep ON OFF switch LED Indicator Lights Normal Operation and Fault Conditions for Heatpu...

Page 44: ...ay 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 Memory Using Wireless Handset 1 Remove battery from wireless handset 2 Wait for the display to finally go off as this handset uses very small amount of power hence it takes longer for the memory to ...

Page 45: ...efrigerant 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 Indoor PCB error 1 Check connector connection 2 Replace indoor PCB A3 Water pump error 1 Check for short circuit 2 Check connection on drain pump 3 Restart the system 4 Check the drain water level 5 ...

Page 46: ...hortage 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 fan E8 Ac input over current 1 Measure the input current 2 Check the main circuit electrolytic capacitor 3 Check with inverter checker 4 Check discharge pressure 5 Check the installation condition E9 ...

Page 47: ...ompressor 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 open Same as H9 J6 Outdoor heat exchanger Same as H9 J7 Subcooling heat exchanger thermistor short open Same as H9 J8 Liquid pipe thermistor short open Same as H9 J9 Gas pipe thermistor abnormality Sa...

Page 48: ...witch 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 ...

Page 49: ...T 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 PIPE THERMISTOR SHORT OPEN MISPLACED COMPRESSOR DISCHARGE PIPE THERMISTOR SHORT OPEN MISPLACED LIQUID PIPE THERMISTOR SHORT OPEN GAS PIPE THERMISTOR SHORT OPEN HEAT SINK THERMISTOR SHORT OPEN OUTDOOR C...

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