Mitsubishi Electric MUZ-FD25VA Скачать руководство пользователя страница 2 | Manualshive

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OBH489--1.qxp 07.8.9 11:53 AM Page 2

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Содержание MUZ-FD25VA

Страница 1: ...ANCE CURVES 11 9 ACTUATOR CONTROL 22 10 SERVICE FUNCTIONS 23 11 TROUBLESHOOTING 23 12 DISASSEMBLY INSTRUCTIONS 39 Wireless type Models SPLIT TYPE HEAT PUMP AIR CONDITIONERS MUZ FD25VA MUZ FD25VAH MUZ FD35VA MUZ FD35VAH E1 E1 E1 E1 NOTE RoHS compliant products have G mark on the spec name plate HFC utilized R410A No OBH489 OUTDOOR UNIT Indoor unit service manual MSZ FD VA Series OBH488 PARTS CATALO...

Страница 2: ...2 ...

Страница 3: ...MES AND FUNCTIONS 2 ACCESSORIES Air outlet Drain outlet Piping Drain hose Air inlet MUZ FD25 35VA 1 Drain socket 1 MUZ FD25VA MUZ FD25VAH MUZ FD35VA MUZ FD35VAH MUZ FD25VA MUZ FD25VAH MUZ FD35VA MUZ FD35VAH E1 E1 E1 E1 1 New model ...

Страница 4: ...Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Cooling Heating Cooling Heating Cooling Heating Dehumidification Air flow 1 High Low High Med Low Sound level 1 Fan speed High Low High Med Low Fan speed regulator Refrigerant filling capacity R410A Refrigeration oil Model Dimensions WOHOD Weight Fan motor Model Current 1 Model Output Current 1 2 5 1 1 3 5 485 610 2 4 ...

Страница 5: ...CT781 C61 C62 C63 DB61 DB65 F61 F701 F801 F901 H IPM LEV L61 R61 R62 R825 R937 R938 R939 PTC64 PTC65 TB1 TB2 X63 X64 X66 21S4 26H TR821 MUZ FD25VAH MUZ FD35VA MUZ FD35VAH 230 V 130 W 3 A 250 V Open 45 230 V 130 W 3 A 250 V Open 45 20 A 15 A 620 420 V 15 A 600 V 25 A 600 V T20AL250V T3 15AL250V 20 A 600 V DC 12 V 23 0 mH 180 m 5 W 2 elements 25 m 5 W 430 m 2 W 33 3P 3 A 250 V 20 A 250 V AC 220 240 ...

Страница 6: ... A LINE HEATING 46 NC 10 MUZ FD25VA MUZ FD25VAH 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE HEATING 47 50 Test conditions Cooling Dry bulb temperature 35 Heating Dry bulb temperature 7 Wet bulb temperature 6 OUTDOOR UNIT MICROPHONE ...

Страница 7: ...17 5 Bolt pitch for installation 304 325 40 Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 Gas refrigerant pipe joint Refrigerant pipe flared 9 52 4 3 3 5 2 holes 10 X 21 Drain hole 33 FD25 35VAH REQUIRED SPACE Basically open 100 mm or more without any obstruction in front and on both sides of the unit 350 mm or more 200 mm or more 100 mm or more 100 mm or more Open two sides of left r...

Страница 8: ...8 6 WIRING DIAGRAM MUZ FD25VA MUZ FD35VA ...

Страница 9: ...9 MUZ FD25VAH MUZ FD35VAH ...

Страница 10: ...llary tube 3 0 2 0 240 Outdoor heat exchanger temperature thermistor RT68 Muffler ADDITIONAL REFRIGERANT CHARGE R410A g Outdoor unit precharged 14m 7m 6m 5m 11m Model Refrigerant piping length one way 8m 9m 10m 12m 13m 15m 20m 270 0 0 0 180 90 120 150 210 240 300 450 1 150 MUZ FD25VA MUZ FD25VAH MUZ FD35VA MUZ FD35VAH Max length A Max Height difference B Indoor unit Outdoor unit MAX REFRIGERANT PI...

Страница 11: ...ast 2 sets of wet and dry bulb thermometers to the indoor air intake as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air intake Cover the thermometers to prevent direct rays of the sun 3 Check that th...

Страница 12: ...ference MUZ FD25VA MUZ FD25VAH 17 3 16 0 14 6 13 3 12 0 10 6 9 3 8 0 6 7 5 3 20 9 19 3 17 7 16 1 14 5 12 9 11 3 9 7 8 0 6 4 Outdoor intake air Wet bulb temperature 20 15 10 5 0 5 10 15 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 Heating capacity Capacity correction factor 15 20 26 Indoor intake air Dry bulb temperature at Rated frequency MUZ FD35VA MUZ FD35VAH at Rated frequency Indoor air Dry bulb te...

Страница 13: ... frequency of compressor Correction of Cooling input Input correction factors The operational frequency of compressor Correction of Heating input Input correction factors The operational frequency of compressor Correction of Heating capacity Capacity correction factors The operational frequency of compressor MUZ FD35VAH Correction of Heating input Capacity correction factors The operational freque...

Страница 14: ... 0 1 2 2 4 6 8 10 12 14 1 4 Ambient temperature C Ambient humidity 15 20 50 25 60 30 70 35 C A A Ambient temperature C Ambient temperature C MUZ FD25VA MUZ FD25VAH MUZ FD35VA Outdoor unit current A Ambient temperature C MUZ FD35VAH 6 0 5 5 5 0 4 5 4 0 5 10 15 20 25 6 0 5 5 5 0 4 5 4 0 2 5 10 15 20 25 6 0 5 5 5 0 4 5 4 0 2 5 10 15 20 25 COOL operation 1 Both indoor and outdoor unit are under the sa...

Страница 15: ...71 0 59 1 00 0 99 0 87 0 75 0 63 407 432 407 432 449 407 432 449 407 432 449 466 407 432 449 466 407 432 449 466 490 407 432 449 466 490 407 432 449 466 490 407 432 449 466 490 407 432 449 466 490 407 432 449 466 490 407 432 449 466 490 2 70 2 85 2 70 2 85 3 00 2 70 2 85 3 00 2 70 2 85 3 00 3 15 2 70 2 85 3 00 3 15 2 70 2 85 3 00 3 15 3 30 2 70 2 85 3 00 3 15 3 30 2 70 2 85 3 00 3 15 3 30 2 70 2 8...

Страница 16: ...1 69 1 51 1 30 1 78 1 61 1 40 1 16 1 87 1 70 1 50 1 27 1 96 1 80 1 61 1 38 1 11 2 05 1 90 1 71 1 49 1 23 2 14 1 99 1 81 1 59 1 34 2 23 2 09 1 91 1 70 1 45 2 25 2 18 2 01 1 81 1 57 2 25 2 28 2 12 1 92 1 68 2 25 2 38 2 22 2 03 1 80 0 67 0 55 0 71 0 59 0 47 0 75 0 63 0 51 0 79 0 67 0 55 0 43 0 83 0 71 0 59 0 47 0 87 0 75 0 63 0 51 0 39 0 91 0 79 0 67 0 55 0 43 0 95 0 83 0 71 0 59 0 47 0 99 0 87 0 75 ...

Страница 17: ... 0 87 0 75 0 63 714 757 714 757 786 714 757 786 714 757 786 816 714 757 786 816 714 757 786 816 859 714 757 786 816 859 714 757 786 816 859 714 757 786 816 859 714 757 786 816 859 714 757 786 816 859 714 757 786 816 859 3 78 3 99 3 78 3 99 4 20 3 78 3 99 4 20 3 78 3 99 4 20 4 41 3 78 3 99 4 20 4 41 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 ...

Страница 18: ... 12 1 82 2 49 2 25 1 96 1 63 2 61 2 39 2 11 1 78 2 74 2 52 2 25 1 93 1 56 2 87 2 65 2 39 2 08 1 72 2 99 2 79 2 53 2 23 1 88 3 12 2 92 2 68 2 38 2 03 3 15 3 06 2 82 2 53 2 19 3 15 3 19 2 96 2 68 2 35 3 15 3 33 3 11 2 84 2 51 0 67 0 55 0 71 0 59 0 47 0 75 0 63 0 51 0 79 0 67 0 55 0 43 0 83 0 71 0 59 0 47 0 87 0 75 0 63 0 51 0 39 0 91 0 79 0 67 0 55 0 43 0 95 0 83 0 71 0 59 0 47 0 99 0 87 0 75 0 63 0...

Страница 19: ...0 87 0 75 0 63 701 743 701 743 772 701 743 772 701 743 772 802 701 743 772 802 701 743 772 802 843 701 743 772 802 843 701 743 772 802 843 701 743 772 802 843 701 743 772 802 843 701 743 772 802 843 701 743 772 802 843 3 78 3 99 3 78 3 99 4 20 3 78 3 99 4 20 3 78 3 99 4 20 4 41 3 78 3 99 4 20 4 41 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 3 78 3 99 4 20 4 41 4 62 3...

Страница 20: ...6 2 12 1 82 2 49 2 25 1 96 1 63 2 61 2 39 2 11 1 78 2 74 2 52 2 25 1 93 1 56 2 87 2 65 2 39 2 08 1 72 2 99 2 79 2 53 2 23 1 88 3 12 2 92 2 68 2 38 2 03 3 15 3 06 2 82 2 53 2 19 3 15 3 19 2 96 2 68 2 35 3 15 3 33 3 11 2 84 2 51 0 67 0 55 0 71 0 59 0 47 0 75 0 63 0 51 0 79 0 67 0 55 0 43 0 83 0 71 0 59 0 47 0 87 0 75 0 63 0 51 0 39 0 91 0 79 0 67 0 55 0 43 0 95 0 83 0 71 0 59 0 47 0 99 0 87 0 75 0 6...

Страница 21: ...T Q INPUT Q INPUT 15 21 26 2 52 2 40 2 16 562 606 649 3 04 2 88 2 68 675 718 761 3 56 3 40 3 16 761 796 839 4 08 3 88 3 68 822 856 900 4 60 4 40 4 20 874 900 943 5 08 4 88 4 68 900 926 969 5 60 5 38 5 20 917 960 995 MUZ FD25VA MUZ FD25VAH MUZ FD35VA CAPACITY 4 0 kW INPUT 850 W OUTDOOR WB INDOOR 10 5 0 5 10 15 20 DB Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 21 26 2 52 2 40 2 16 553...

Страница 22: ...ompressor ON The fan motor turns ON 5 seconds before the compressor starts up OFF The fan motor turns OFF 15 seconds after the compressor has stopped running Discharge temperature thermistor Indoor coil temperature thermistor Defrost thermistor Fin temperature thermistor Ambient temperature thermistor Outdoor heat exchanger temperature thermistor Compressor LEV Outdoor fan motor Indoor fan motor D...

Страница 23: ...remote controller and then after confirming the horizontal vane is closed turn OFF the breaker and or disconnect the power plug 2 Be sure to turn OFF the power supply before removing the front panel the cabinet the top panel and the electronic control P C board 3 When removing the electrical parts be careful to the residual voltage of smoothing capacitor 4 When removing the electronic control P C ...

Страница 24: ...remote controller is displayed after 3 seconds Deleting the memorized abnormal condition 1After repairing the unit recall the failure mode again according to Setting up the failure mode recall function mentioned above 2Press OPERATE STOP ON OFF button of the remote controller the set temperature is displayed with the remote controller headed towards the indoor unit 3Press EMERGENCY OPERATION switc...

Страница 25: ...ioned above 2Press OPERATE STOP ON OFF button of the remote controller the set temperature is displayed with the remote controller headed towards the indoor unit 3Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted 4Release the failure mode recall function according to Releasing the failure mode recall function mentioned above Repair the defective parts With the re...

Страница 26: ...stor has been 50 or less for 20 minutes DC voltage of inverter cannot be detected normally Each phase current of compressor cannot be detected normally Large current flows into intelligent power module IPM The open phase operation of compressor is detected The interphase short out occurs in the output of the intelligent power module IPM The compressor winding shorts out Closed valve is detected by...

Страница 27: ...er compressor Check stop valve Refer to 11 5 G Check of outdoor thermistors Reconnect connector of compressor Refer to 11 5 A How to check inverter compressor Check stop valve Replace inverter P C board Check refrigerant circuit and refrigerant amount Refer to 11 5 K Check of LEV Check around outdoor unit Check outdoor unit air passage Refer to 11 5 I Check of outdoor fan motor Check refrigerant c...

Страница 28: ...tage 1 Inverter P C board the chart of thermistor Refer to 11 7 Test point diagram and voltage 1 Inverter P C board the chart of thermistor Color of the lead wire Color of the lead wire Discharge temperature thermistor RT62 Measure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Defrost thermistor RT61 Fin temperature thermistor RT64 Ambient temper...

Страница 29: ...Does the compressor operate continuously Refer to 11 5 F Check of compressor start failure C With the connector between the compressor and the intelligent power module disconnected activate the inverter and check if the inverter is normal by measuring the balance of voltage between the terminals Operation method Start cooling or heating operation by pressing EMERGENCY OPERATION switch on the indoo...

Страница 30: ...tes 1 second 2 seconds Normal Abnormal Refrigerant circuit defect closed valve Abnormal Poor contact Outdoor P C board defect disconnected connector Abnormal Compressor lock out Starting defect Abnormal IPM failure Compressor winding short Compressor starts Judgement For reference D E Check of compressor start failure F Yes No Yes Confirm that 1 4 is normal Electrical circuit check 1Contact of the...

Страница 31: ...nerated between the terminal pins of the connector although any signal is not being transmitted to R V coil Check if CN721 is connected CN721 Inverter P C board Soldered side Replace the inverter P C board Unit operates COOL mode even if it is set to HEAT mode Unit operates HEAT mode even if it is set to COOL mode Yes Yes No No Reconnect the connector of thermistor Turn ON the power supply and pre...

Страница 32: ... Turn ON power supply and press EMERGENCY OPERATION switch Check the electric parts in main circuit If light up ok If flash refer to 11 3 Is there voltage 280 370 VDC between DB61 and DB61 on the inverter P C board Refer to 11 6 1 Dose LED on the inverter P C board light up or flash Refer to 11 6 1 Yes Yes Yes No No Replace the indoor electronic control P C board No Yes No Replace the inverter P C...

Страница 33: ... valve Replace the inverter P C board NOTE After check of LEV do the undermentioned operations 1 Turn OFF the power supply and turn ON it again 2 Press RESET button on the remote controller Replace the LEV W1 Regardless of normal or abnormal condition a short beep is emitted once the signal is received Turn ON the power supply Preparation of the remote controller 1 While pressing both OPERATION SE...

Страница 34: ...verter P C board CN932 Inverter P C board Solder side Check the corresponding parts following LED indication Refer to 11 3 Operate the outdoor unit by starting EMERGENCY OPERATION Check the connection of the connector CN932 of outdoor fan motor If the connection is poor make it correct Check the outdoor fan motor Refer to11 5 I Outdoor fan motor does not operate or stops immediately after starting...

Страница 35: ...ply Check once more if the indoor outdoor connecting wire is not miswiring Short circuit outdoor terminal block S2 and S3 W1 B Turn ON the power supply Check the wiring Correct them Turn OFF the power supply Remove the short circuit between outdoor terminal block S2 and S3 Turn ON the power supply Is there amplitude of 10 to 20 VDC between outdoor terminal block S2 and S3 Confirmation of serial si...

Страница 36: ...noise 4 Layout of indoor outdoor unit of the air conditioner indoor outdoor wiring erath wire antennas wiring from antennas receiver 5 Electric field intensity of the broadcast station affected by the electromagnetic noise 6 Presence or absence of amplifier such as booster 7 Operation condition of air conditioner when the electromagnetic noise enters in 1 Turn OFF the power supply once and then tu...

Страница 37: ...emperature thermistor continue to read 5 or below and let the defrost thermistor continue to read 1 or below Check the following points before checking electric continuity 1 Does the resistance of ambient temperature thermistor have the characteristics Refer to 11 6 1 2 Is the resistance of defrost heater normal Refer to 11 4 3 Does the heater protector remain conducted not open 4 Are both ambient...

Страница 38: ...diagram and voltage Back side of unit Fin temperature thermistor RT64 CN642 Ambient temperature thermistor RT65 CN643 Discharge temperature thermistor RT62 CN641 Defrost thermistor RT61 CN641 LEV connector CN724 DB61 DC260 300 V Front side of unit AC230V Smoothing capacitor C62 Output to drive compressor LDU LDV LDW Fuse F701 2 50 V 3 15 A MUZ FD35VA MUZ FD35VAH Smoothing capacitor C61 Smoothing c...

Страница 39: ...mechanism 1Slide the sleeve 2Pull the terminal while pushing the locking lever 1Hold the sleeve and pull out the terminal slowly The terminal which has the locking mechanism can be detached as shown below There are two types Refer to 1 and 2 of the terminal with locking mechanism The terminal without locking mechanism can be detached by pulling it out Check the shape of the terminal before detachi...

Страница 40: ...ctor and the following connectors Inverter P C board CN721 R V coil CN722 Defrost heater CN932 Fan motor CN641 Defrost thermistor and discharge temperature thermistor CN643 Ambient temperature thermistor CN644 Outdoor heat exchanger temperature thermistor CN724 LEV 3 Remove the compressor connector CN61 4 Remove the screws fixing the relay panel See Photo 3 5 Remove the inverter assembly See Photo...

Страница 41: ... valve 1 Remove the cabinet and panels Refer to 1 2 Remove the inverter assembly Refer to 2 3 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressure gauge shows 0 kg cm2 0 MPa 4 Detach the welded part of the suction and the discharge pipe connected with compressor 5 Remove the nuts of compressor legs 6 Remove the compressor 7 Detach the welded part of pipes con...

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Страница 44: ...ARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN C C Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Aug 2007 No OBH489 6 Made in Japan New publication effective Aug 2007 Specifications subject to change without notice ...

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