Mitsubishi Electric MUZ-GF60VE Скачать руководство пользователя страница 42

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Distributed in Mar. 2013. No. OBH635
Made in Japan

New publication, effective Mar. 2013
Specifications are subject to change without notice.

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

Содержание MUZ-GF60VE

Страница 1: ...SYSTEM DIAGRAM 10 8 PERFORMANCE CURVES 12 9 ACTUATOR CONTROL 21 10 SERVICE FUNCTIONS 22 11 TROUBLESHOOTING 22 12 DISASSEMBLY INSTRUCTIONS 39 Models SPLIT TYPE AIR CONDITIONERS NOTE RoHS compliant products have G mark on the spec name plate HFC utilized R410A No OBH635 OUTDOOR UNIT PARTS CATALOG OBB635 MUZ GF60VE E1 MUZ GF71VE E1 Indoor unit service manual MSZ GF VE Series OBH634 ...

Страница 2: ...service Prepare the proper tools Prepare the proper protectors Provide adequate ventilation After stopping the operation of the air conditioner turn off the power supply breaker and remove the power plug Discharge the capacitor before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts with wet hands Do not pour water int...

Страница 3: ...3 MUZ GF60VE E1 MUZ GF71VE E1 1 New model TECHNICAL CHANGES 1 OBH635 ...

Страница 4: ...4 PART NAMES AND FUNCTIONS 2 ACCESSORIES Model MUZ GF60 71VE Drain socket 1 MUZ GF60VE MUZ GF71VE Piping Air outlet Drain outlet Air inlet back and side Drain hose OBH635 ...

Страница 5: ...V50S 0 40 FV50S Fan motor Model RC0J60 BC Current 1 Cooling A 0 93 0 83 Heating 0 93 0 82 Dimensions W H D mm 840 880 330 Weight kg 50 53 Special remarks Dehumidification Cooling L h 1 9 2 3 Air flow 1 Cooling High m3 h 3 492 3 426 Med 3 066 3 006 Low 1 692 1 512 Heating High 2 952 2 892 Med 2 952 2 892 Low 2 226 2 280 Sound level 1 Cooling dB A 55 Heating 55 Fan speed Cooling High rpm 950 Med 840...

Страница 6: ... V Fuse F601 F880 F901 T3 15AL250 V IGBT module IC932 5 A 600 V IC700 20 A 600 V Expansion valve coil LEV 12 V DC Reactor L 340 μH Diode module IC820 20 A 600 V Circuit protection PTC64 PTC65 33 Ω Terminal block TB1 TB2 3 P Relay X64 20 A 250 V X65 20 A 250 V X69 10 A 250 V X601 3 A 250 V X602 3 A 250 V R V coil 21S4 220 240 V AC OBH635 ...

Страница 7: ...000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL 0dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE HEATING 55 NC 10 55 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 0dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LI...

Страница 8: ...oles 10 21 360 840 109 81 880 452 Service panel 99 5 164 5 195 3 5 4 4 Liquid refrigerant pipe joint Refrigerant pipe flared Ø 6 35 MUZ GF60VE Ø 9 52 MUZ GF71VE Gas refrigerant pipe joint Refrigerant pipe flared Ø 15 88 350 mm or more 100 mm or more REQUIRED SPACE 500 mm or more 100 mm or more 500 mm or more OBH635 ...

Страница 9: ...9 WIRING DIAGRAM 6 MUZ GF60VE MUZ GF71VE OBH635 ...

Страница 10: ... 100 Strainer 100 Outdoor heat exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 Strainer 100 MUZ GF71VE Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve Stop valve with service port Capillary tube ø4 0 ø2 4 100 Refrigerant flow in cooling Compressor 4 way valve Refrigerant flow in heating Re...

Страница 11: ... Model Outdoor unit precharged Refrigerant piping length one way 7 m 10 m 15 m 20 m 25 m 30 m MUZ GF60 1 550 0 0 100 200 300 400 Calculation X g 20 g m Refrigerant piping length m 10 Model Outdoor unit precharged Refrigerant piping length one way 7 m 10 m 15 m 20 m 25 m 30 m MUZ GF71 1 900 0 0 275 550 825 1 100 Calculation X g 55 g m Refrigerant piping length m 10 NOTE Refrigerant piping exceeding...

Страница 12: ...least 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 ...

Страница 13: ... 3 13 8 12 3 10 7 9 2 7 7 6 1 25 3 23 4 21 4 19 5 17 5 15 6 13 6 11 7 9 7 7 8 Outdoor intake air Wet bulb temperature C 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 at Rated frequency Capacity correction factor 15 20 26 MUZ GF71VE MUZ GF60VE Indoor intake air Dry bulb temperature Indoor air Dry bulb temperature difference C 19 9 18 4 16 9 15 3 13 8 12 3 10 7 9 2 7 ...

Страница 14: ... 5 2 0 0 50 100 150 0 0 0 5 1 0 1 5 2 0 COOL operation Both indoor and outdoor unit are under the same temperature humidity condition Operation TEST RUN OPERATION Refer to 8 3 8 4 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT Dry bulb temperature C Relative humidity 20 50 25 60 30 70 8 3 HOW TO OPERATE FIXED FREQUENCY OPERATION Test run operation 1 Press EMERGENCY OPERATION switch to start COOL or...

Страница 15: ... current A Outdoor current A Outdoor unit current 0 5 10 15 20 25 3 0 3 5 4 0 4 5 5 0 5 5 0 5 10 15 20 25 6 8 10 12 MUZ GF60VE MUZ GF71VE Outdoor unit current Ambient temperature C Outdoor current A Outdoor current A Ambient temperature C Condition Operation Test run operation Refer to 8 3 HEAT operation Indoor Outdoor Dry bulb temperature C 20 0 2 7 15 20 0 Wet bulb temperature C 14 5 1 6 12 14 5...

Страница 16: ...27 24 8 17 4 01 0 49 1629 7 87 3 86 0 49 1718 7 69 3 77 0 49 1772 7 44 3 65 0 49 1862 27 26 8 42 3 11 0 37 1718 8 17 3 02 0 37 1808 8 05 2 98 0 37 1862 7 81 2 89 0 37 1915 28 18 7 17 6 38 0 89 1432 6 86 6 11 0 89 1504 6 59 5 86 0 89 1575 6 34 5 65 0 89 1647 28 20 7 47 5 75 0 77 1504 7 17 5 52 0 77 1593 6 95 5 35 0 77 1629 6 71 5 17 0 77 1701 28 22 7 78 5 06 0 65 1557 7 50 4 88 0 65 1656 7 32 4 76 ...

Страница 17: ...5 79 3 53 0 61 2076 27 24 7 01 3 44 0 49 1969 6 59 3 23 0 49 2059 6 22 3 05 0 49 2148 27 26 7 38 2 73 0 37 2041 6 95 2 57 0 37 2130 6 53 2 41 0 37 2220 28 18 5 98 5 32 0 89 1754 5 49 4 89 0 89 1862 5 06 4 51 0 89 1933 28 20 6 28 4 84 0 77 1826 5 86 4 51 0 77 1915 5 43 4 18 0 77 2023 28 22 6 65 4 32 0 65 1897 6 22 4 04 0 65 2005 5 79 3 77 0 65 2076 28 24 7 01 3 72 0 53 1969 6 59 3 49 0 53 2059 6 22...

Страница 18: ...27 24 9 51 4 57 0 48 1938 9 16 4 40 0 48 2045 8 95 4 29 0 48 2109 8 66 4 16 0 48 2215 27 26 9 80 3 53 0 36 2045 9 51 3 43 0 36 2151 9 37 3 37 0 36 2215 9 09 3 27 0 36 2279 28 18 8 34 7 34 0 88 1704 7 99 7 03 0 88 1789 7 67 6 75 0 88 1874 7 38 6 50 0 88 1960 28 20 8 70 6 61 0 76 1789 8 34 6 34 0 76 1896 8 09 6 15 0 76 1938 7 81 5 94 0 76 2024 28 22 9 05 5 79 0 64 1853 8 73 5 59 0 64 1970 8 52 5 45 ...

Страница 19: ...6 75 4 05 0 60 2471 27 24 8 17 3 92 0 48 2343 7 67 3 68 0 48 2450 7 24 3 48 0 48 2556 27 26 8 59 3 09 0 36 2428 8 09 2 91 0 36 2535 7 60 2 73 0 36 2641 28 18 6 96 6 12 0 88 2087 6 39 5 62 0 88 2215 5 89 5 19 0 88 2300 28 20 7 31 5 56 0 76 2173 6 82 5 18 0 76 2279 6 32 4 80 0 76 2407 28 22 7 74 4 95 0 64 2258 7 24 4 63 0 64 2386 6 75 4 32 0 64 2471 28 24 8 17 4 25 0 52 2343 7 67 3 99 0 52 2450 7 24...

Страница 20: ...26 3 67 1358 4 56 1593 5 37 1756 6 26 1882 7 14 1973 7 96 2027 8 84 2082 MUZ GF71VE CAPACITY 8 1 kW INPUT 2230 W INDOOR DB C OUTDOOR WB C 10 5 0 5 10 15 20 Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 5 10 1450 6 16 1739 7 21 1962 8 26 2119 9 32 2252 10 29 2319 11 34 2364 21 4 86 1561 5 83 1851 6 89 2052 7 86 2208 8 91 2319 9 88 2386 10 89 2475 26 4 37 1673 5 43 1962 6 40 2163 7 45 2...

Страница 21: ...an motor turns OFF 15 seconds after the compressor has stopped running 9 3 RELATION BETWEEN MAIN SENSOR AND ACTUATOR Sensor Purpose Actuator Compressor LEV Outdoor fan motor R V coil Indoor fan motor Defrost heater Discharge temperature thermistor Protection Indoor coil temperature thermistor Cooling Coil frost prevention Heating High pressure protec tion Defrost thermistor Heating Defrosting Fin ...

Страница 22: ...fore troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care of the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with the remote controller and after con firming the horizontal vane is closed turn OFF the breaker and or disconnect the power plug 2 Be sure t...

Страница 23: ...door outdoor abnormality Before blinking does the upper lamp of OPERATION INDICA TOR lamp stay ON for 3 seconds Stays ON for 3 seconds without beep The outdoor unit is abnormal The indoor unit is abnormal Check the blinking pattern and identify the abnormal point with the indoor unit failure mode table Refer to indoor unit service manual Make sure to check at least two consecutive blinking cycles ...

Страница 24: ...ode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller Repair the failure parts The outdoor unit is normal Release the failure mode recall function accord ing to the left mentioned procedure Deleting the memorized abnormal condition After repairing the unit recall the failur...

Страница 25: ...essor stops Compressor can restart if discharge temperature thermistor reads 100 C or less 3 minutes later Check refrigerant circuit and refrigerant amount Refer to 11 5 Check of LEV 6 time flash 2 5 seconds OFF High pressure Temperature indoor coil thermistor exceeds 70 C in HEAT mode Temperature defrost thermistor exceeds 70 C in COOL mode Check refrigerant circuit and refrigerant amount Check s...

Страница 26: ...xceeds 75 80 C or temperature of P C board temperature thermistor on the inverter P C board exceeds 70 75 C Check around outdoor unit Check outdoor unit air passage Refer to 11 5 Check of outdoor fan motor 10 5 time flash 2 5 seconds OFF High pressure pro tection Indoor coil thermistor exceeds 70 C in HEAT mode Defrost thermistor exceeds 70 C in COOL mode Check refrigerant circuit and refrig erant...

Страница 27: ...hermistor RT64 Ambient temperature thermistor RT65 Outdoor heat exchanger temperature thermistor RT68 Measure the resistance with a tester Refer to 11 6 Test point diagram and voltage 1 Inverter P C board for the chart of thermistor Discharge temperature thermistor RT62 Measure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Refer to 11 6 Test poin...

Страница 28: ... of open phase C Check of compressor With the connector between the compressor and the IGBT module IC700 disconnected activate the inverter and check if the inverter is normal by measuring the balance of voltage between the terminals Output voltage is 50 130 V The voltage may differ according to the tester Operation method Start cooling or heating operation by pressing EMERGENCY OPERATION switch o...

Страница 29: ...drier for about 20 minutes Do not recover refrigerant gas while heating Heating part Connect the compressor and activate the inverter Then measure the time until the inverter stops due to over current Operation method Start heating or cooling operation by pressing EMERGENCY OPERATION switch on the indoor unit TEST RUN OPERATION Refer to 8 3 Measurement Measure the time from the start of compressor...

Страница 30: ...8 Between CN671 pin5 and pin6 First of all measure the resistance of R V coil to check if the coil is defective Refer to 11 4 In case CN602 is disconnected or R V coil is open voltage is generated between the terminal pins of the connector although no signal is being transmitted to R V coil Check if CN602 is connected Is there 230 VAC between CN602 and on the inverter P C board 3 minutes after the...

Страница 31: ...measure the voltage of CN931 Between 1 and 5 Between 2 and 5 Between 3 and 5 Does the voltage between each terminal become 5 and 0 VDC repeatedly Does the outdoor fan motor rotate smoothly Replace the outdoor fan motor Replace the inverter P C board Yes Yes No Fixed to either 5 or 0 VDC No No Yes Disconnect the connectors CN931 and CN932 from the inverter P C board Check the connection between the...

Страница 32: ...N INDICATOR on the indoor unit light up Does LED on the inverter P C board light up or flash Refer to 11 6 1 No Replace the inverter P C board Is there bus bar voltage 325 370 VDC between JP715 and JP30 on the inverter P C board Refer to 11 6 1 No Check the electric parts in main circuit Yes Yes No Disconnect the connector between the compressor and the IGBT module IC700 Turn ON the power supply a...

Страница 33: ...he voltage by an analog tester Properly fix the LEV coil to the expansion valve Replace the inverter P C board Replace the LEV coil Replace the expansion valve Is LEV coil properly fixed to the expansion valve Does the resistance of LEV coil have the characteristics Refer to 11 4 Do you hear the expansion valve click click Do you feel the expansion valve vibrate on touching it Turn ON the power su...

Страница 34: ...door fan motor If the connection is poor make it correct Operate the outdoor unit by starting EMERGENCY OPERATION Check the LED indication on the inverter P C board Does the LED flash 10 times Replace the inverter P C board Check the corresponding parts following LED indication Refer to 11 3 Yes No Yes 10 time flash No L Check of inverter P C board OBH635 ...

Страница 35: ...ON Yes Turn OFF inverter controlled lighting equipment Turn OFF the power supply and then turn ON again Press EMERGENCY OPERATION switch A Is serial signal error indicated 6 minutes later B Yes Reinstall either the unit or the light away from each other Attach a filter on remote control receiving section of the indoor unit No NOTE Refer to the indoor unit service manual Replace the indoor electron...

Страница 36: ...he installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor outd...

Страница 37: ...mperature Fin temperature thermistor RT64 Resistance k Resistance k Resistance k Fin temperature thermistor RT64 CN673 Ambient temperature thermistor RT65 CN672 Discharge temperature thermistor RT62 CN671 Defrost thermistor RT61 CN671 Output to drive outdoor fan motor CN932 Outdoor heat exchanger temperature thermistor RT68 CN671 Fuse F901 T3 15AL250V Fuse F880 T3 15AL250V LEV connector CN724 Jump...

Страница 38: ...38 2 Relay P C board MUZ GF60VE MUZ GF71VE To inverter P C board CN681 CN680 CN60 L68B L68A 10 VDC OBH635 ...

Страница 39: ...minal with this connector has the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Terminal with locking mechanism Detaching points 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 ...

Страница 40: ...he lead wires of the inverter P C board 7 Remove the screws of the PB support 8 Remove the inverter P C board from the relay panel 9 Disconnect the following connectors Relay P C board CN60 Terminal block CN680 Inverter P C board TAB65 Inverter P C board TB71 10 Remove the screws fixing the P B holder 11 Remove the relay P C board from the P B holder Photo 3 Photo 4 3 Removing R V coil 1 Remove th...

Страница 41: ...tor 1 Remove the top panel cabinet and service panel Refer to 1 2 Disconnect the following connectors Inverter P C board CN931 and CN932 Fan motor 3 Remove the propeller 4 Remove the screws fixing the fan motor 5 Remove the fan motor 6 Removing the compressor and 4 way valve 1 Remove the top panel cabinet and service panel Refer to 1 2 Remove the back panel Refer to 1 3 Remove the inverter assembl...

Страница 42: ... ELECTRIC CORPORATION Distributed in Mar 2013 No OBH635 Made in Japan New publication effective Mar 2013 Specifications are subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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