Mitsubishi Electric MU-GA50VB Скачать руководство пользователя страница 30 | Manualshive

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30

DISASSEMBLY INSTRUCTIONS

10

(1) Slide the sleeve and check if there is a locking lever or not.

(2) The terminal with this connector is a terminal

with lock mechanism

1

Slide the sleeve.

2

Pull the terminal while

pushing the locking
lever.

1

Hold the sleeve, and

pull out the terminal
slowly.

In case of terminal with lock mechanism, detach the terminal as shown below.
There are two types ( Refer to (1) and (2)) of the terminal with lock mechanism.
The terminal with no lock mechanism can be removed by pulling it out.
Check the shape of the terminal and work.

<"Terminal with lock mechanism" Detaching points>

Connector

Sleeve

Locking lever

OPERATING PROCEDURE

PHOTOS

1. Removing the cabinet

(1) Remove the screws of the cabinet.
(2) Hold the down of the cabinet on the both side and remove

the cabinet.

10-1. MU-GA50VB -

OUTDOOR UNIT

E1

Photo 1

Photo 2

Screws of
the cabinet

Screws
of the
cabinet

Service
panel

2. Removing the electrical parts

(1) Remove the service panel and the cabinet.
(2) Remove the following parts.

•Compressor capacitor (C1)
•Outdoor fan capacitor (C2)
•Terminal block (TB1, TB2)
•Compressor contactor (52C)

Photo 3

Outdoor fan capacitor(C2)

Compressor capacitor(C1)

Terminal blocks
(TB1, TB2)

Connector Compressor

contactor(52C)

OB370-1.qxp 04.10.14 1:45 PM Page 30

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Содержание MU-GA50VB

Страница 1: ...FORMANCE CURVES 15 9 TROUBLESHOOTING 23 10 DISASSEMBLY INSTRUCTIONS 30 11 PARTS LIST 36 Wireless type Models MU GA50VB MU GA60VB MU GA80VB E1 E1 E1 SPLIT TYPE AIR CONDITIONERS MU GA50VB E1 Indication of model name NOTE This service manual describes technical data of outdoor units As for indoor units MS GA50VB MS GA60VB and MS GA80VB refer to the service manual OB369 E1 E1 E1 No OB370 HFC utilized ...

Страница 2: ... GWP w2 Refrigerant charge method Additional charge on leakage Kind Color Smell w1 Ozone Depletion Potential based on CFC 11 w2 Global Warming Potential based on CO2 INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT This room air conditioner adopts an HFC refrigerant R410A which never destroys the ozone layer Pay particular attention to the following points though the basic installation p...

Страница 3: ...detector R410A has high pressures beyond the measurement range of existing gauges Port diameters have been changed to prevent any other refrigerant from being charged into the unit Hose material and cap size have been changed to improve the pressure resistance Dedicated for HFC refrigerant 6 35 mm and 9 52 mm Description Clamp bar hole has been enlarged to reinforce the spring strength in the tool...

Страница 4: ... the vacuum pump for air purging for the purpose of environmental protection 5 Additional charge For additional charging charge the refrigerant from liquid phase of the gas cylinder If the refrigerant is charged from the gas phase composition change may occur in the refrigerant inside the cylinder and the outdoor unit In this case ability of the refrigerating cycle decreases or normal operation ca...

Страница 5: ...5 PART NAMES AND FUNCTIONS 2 Drainage hose Piping Air inlet Air inlet Air outlet Drain outlet back and side Air outlet back and side OUTDOOR UNIT MU GA50VB MU GA60VB E1 E1 MU GA80VB E1 ...

Страница 6: ...kg dB rpm kg cc MU GA50VB E1 Cooling Single phase 230V 50Hz 5 0 2 5 2 196 15 7 90 1 750 96 37 7 51 0 39 2 76 RN196VHSHT 1 300 C R 1 80 C S 3 00 RA6V50 PA WHT BLK 79 5 BLK RED 83 0 850o605o290 44 52 828 1 1 45 520 NEO22 MU GA60VB E1 Cooling Single phase 230V 50Hz 6 5 3 4 2 322 25 10 82 2 420 97 74 10 27 0 55 2 62 NN29VBAHT 1 900 C R 0 80 C S 1 64 RA6V60 MA WHT BLK 71 BLK RED 89 850o605o290 60 53 87...

Страница 7: ... oil Model Thermistor RT62 at 25 Thermistor RT63 at 0 kW R h K h A A W A A A W mm kg dB rpm kg cc k k MU GA80VB E1 Cooling Single phase 230V 50Hz 8 5 4 6 2 940 1 470 25 14 42 3 191 96 90 13 85 0 57 2 61 NN37VAAHT 2 500 C R 0 64 C S 1 63 RA6V75 AD WHT BLK 62 8 BLK YLW 55 9 YLW RED 26 0 840o850o330 75 55 53 805 435 2 2 40 1 300 NEO 22 231 44 33 18 Electrical data Compressor Fan motor Special remarks...

Страница 8: ...NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz Test conditions Cooling Dry bulb temperature 35 Wet bulb temperature 24 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 55 SPL dB A LINE High FAN SPEED OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR MU GA80VB E1 OUTDOOR UNIT MICROPHONE 1m 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC ...

Страница 9: ...VB 15 88 MU GA60VB 3 5 3 0 30 100 161 157 74 850 500 183 20 292 605 248 35 350 50 290 310 345 20 355 90 Drainage hole 16 2 3 0 3 5 155 90 198 40 515 299 66 34 51 330 360 850 430 500 80 121 840 Open as a rule 500mm or more if the front and both sides are open 100mm or more 200mm or more if there are obstacles to both sides Open as a rule 500mm or more if the back both sides and top are open 350mm o...

Страница 10: ...o the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Connector Terminal block NOTES SYMBOL C1 C2 DSAR NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR SURGE ABSORBER SYMBOL MC MF TB1 TB2 NAME COMPRESSOR INNER PROTECTOR OUTDOOR FAN MOTOR INNER PROTECTOR TERMINAL BLOCK SYMBOL 52C NAME COMPRESSOR CONTACTOR 1 About the indoor sid...

Страница 11: ...SR61 SYMBOL CZ C1 C2 DSAR F61 LEV NAME NAME NAME CZ SURGE ABSORBER COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR SURGE ABSORBER FUSE 3 15A EXPANSION VALVE COIL COMPRESSOR INNER PROTECTOR OUTDOOR FAN MOTOR INNER PROTECTOR VARISTOR DISCHARGE TEMPERATURE THERMISTOR AMBIENT TEMPERATURE THERMISTOR SOLID STATE RELAY SOLID STATE RELAY TERMINAL BLOCK TERMINAL BLOCK TRANSFORMER CONTACTOR COMPRESSOR CONTACTOR ...

Страница 12: ...op valve with service port Outdoor heat exchanger MU GA60VB E1 OUTDOOR UNIT Refrigerant pipe 15 88 with heat insulator Flared connection Flared connection Refrigerant pipe 6 35 with heat insulator Stop valve Capillary tube 3 0X 1 8X500 Compressor Stop valve with service port Outdoor heat exchanger Refrigerant flow in cooling Muffler 100 Unit mm Capillary tube 3 0o 1 6o600 Muffler Strainer 100 Muff...

Страница 13: ...ure thermistor RT62 Flared connection Stop valve Stop valve with service port Capillary tube 3 6 2 4 50 Refrigerant flow in cooling Compressor Refrigerant pipe 15 88 with heat insulator Refrigerant pipe 9 52 with heat insulator LEV Muffler Muffler Strainer Ambient temperature thermistor RT63 Capillary tube 4 0 2 4 200 Upper path Capillary tube 4 0 2 4 100 Lower path Model Piping size O D mm Length...

Страница 14: ... Refrigerant piping length m 7 Model MU GA60VB E1 Refrigerant piping length one way Outdoor unit precharged 2 000 15m 160 20m 260 25m 360 7m 0 10m 60 Calculation Xg 20g m Refrigerant piping length m 7 Outdoor unit precharged 2 400 0 165 440 715 990 1 165 Refrigerant piping length one way 15m 10m 7m 20m 25m 30m Model MU GA80VB E1 Calculation Xg 55g mo Refrigerant piping length m 7 ...

Страница 15: ...r wet dry bulb temperature for your reference at service How to measure the indoor air wet bulb dry bulb temperature difference 1 Attach at 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 le...

Страница 16: ... The conversion factor is 1 MPa Gauge 10 2 kgf f f Gauge 18 32 70 230V 15 20 50 25 60 30 35 0 7 0 8 0 9 1 0 1 1 1 2 7 8 9 10 11 12 15 20 50 25 60 30 70 35 5 6 9 7 8 18 32 230V MU GA50VB E1 MU GA50VB E1 Outdoor low pressure Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor unit current A kgf F Gauge MPa Gauge kgf F Gauge MPa Gauge 18 32 70 230V 15 20 50 25 60 30 ...

Страница 17: ...8 5 88 4 41 0 75 1448 5 63 4 22 0 75 1520 5 40 4 05 0 75 1593 5 20 3 90 0 75 1665 28 20 6 13 3 86 0 63 1520 5 88 3 70 0 63 1611 5 70 3 59 0 63 1647 5 50 3 47 0 63 1720 28 22 6 38 3 25 0 51 1575 6 15 3 14 0 51 1674 6 00 3 06 0 51 1720 5 75 2 93 0 51 1792 28 24 6 70 2 61 0 39 1647 6 45 2 52 0 39 1738 6 30 2 46 0 39 1792 6 10 2 38 0 39 1882 28 26 6 90 1 86 0 27 1738 6 70 1 81 0 27 1828 6 60 1 78 0 27...

Страница 18: ...0 75 1882 4 33 3 24 0 75 1919 28 20 5 15 3 24 0 63 1846 4 80 3 02 0 63 1937 4 63 2 91 0 63 1991 28 22 5 45 2 78 0 51 1919 5 10 2 60 0 51 2027 4 93 2 51 0 51 2063 28 24 5 75 2 24 0 39 1991 5 40 2 11 0 39 2082 5 25 2 05 0 39 2127 28 26 6 05 1 63 0 27 2063 5 70 1 54 0 27 2154 5 53 1 49 0 27 2199 29 18 4 90 3 87 0 79 1774 4 50 3 56 0 79 1882 4 33 3 42 0 79 1919 29 20 5 15 3 45 0 67 1846 4 80 3 22 0 67...

Страница 19: ...2381 8 19 2 70 0 33 2455 7 93 2 62 0 33 27 26 8 97 1 88 0 21 2381 8 71 1 83 0 21 2505 8 58 1 80 0 21 2579 8 32 1 75 0 21 28 18 7 64 5 58 0 73 1984 7 31 5 34 0 73 2083 7 02 5 12 0 73 2182 6 76 4 93 0 73 28 20 7 96 4 86 0 61 2083 7 64 4 66 0 61 2207 7 41 4 52 0 61 2257 7 15 4 36 0 61 28 22 8 29 4 06 0 49 2158 8 00 3 92 0 49 2294 7 80 3 82 0 49 2356 7 48 3 66 0 49 28 24 8 71 3 22 0 37 2257 8 39 3 10 ...

Страница 20: ...0 73 2579 5 62 4 10 0 73 2629 28 20 6 70 4 08 0 61 2530 6 24 3 81 0 61 2654 6 01 3 67 0 61 2728 28 22 7 09 3 47 0 49 2629 6 63 3 25 0 49 2778 6 40 3 14 0 49 2827 28 24 7 48 2 77 0 37 2728 7 02 2 60 0 37 2852 6 83 2 53 0 37 2914 28 26 7 87 1 97 0 25 2827 7 41 1 85 0 25 2951 7 18 1 80 0 25 3013 29 18 6 37 4 90 0 77 2430 5 85 4 50 0 77 2579 5 62 4 33 0 77 2629 29 20 6 70 4 35 0 65 2530 6 24 4 06 0 65...

Страница 21: ... 0 36 3390 28 26 11 73 3130 11 39 2 73 0 24 3293 11 22 2 69 0 24 3390 10 88 2 61 0 24 3488 29 18 9 99 2608 9 56 7 27 0 76 2738 9 18 6 98 0 76 2869 8 84 6 72 0 76 2999 29 20 10 41 2738 9 99 6 39 0 64 2901 9 69 6 20 0 64 2967 9 35 5 98 0 64 3097 29 22 10 84 2836 10 46 5 44 0 52 3016 10 20 5 30 0 52 3097 9 78 5 08 0 52 3227 29 24 11 39 2967 10 97 4 39 0 40 3130 10 71 4 28 0 40 3227 10 37 4 15 0 40 33...

Страница 22: ... 72 3390 7 35 5 29 0 72 3456 28 20 8 76 5 25 0 60 3325 8 16 4 90 0 60 3488 7 86 4 72 0 60 3586 28 22 9 27 4 45 0 48 3456 8 67 4 16 0 48 3651 8 37 4 02 0 48 3716 28 24 9 78 3 52 0 36 3586 9 18 3 30 0 36 3749 8 93 3 21 0 36 3831 28 26 10 29 2 47 0 24 3716 9 69 2 33 0 24 3879 9 39 2 25 0 24 3961 29 18 8 33 6 33 0 76 3195 7 65 5 81 0 76 3390 7 35 5 59 0 76 3456 29 20 8 76 5 60 0 64 3325 8 16 5 22 0 64...

Страница 23: ...moving the electronic control P C board hold the edge of the board with care NOT to apply stress on the com ponents 4 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires MU GA50VB MU GA60VB MU GA80VB E1 E1 E1 3 Troubleshooting procedure 1 First check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abn...

Страница 24: ...unit Trouble of room temp erature indoor coil thermistor 3 time flash Cause Indoor unit Trouble of indoor fan motor Check room temperature thermistor and indoor coil thermis tor Refer to Test point diagram and voltage Refer to Check of indoor fan motor 4 time flash Cause Indoor unit Trouble of indoor unit control system Replace the indoor electronic control P C board 1 Check indoor outdoor connect...

Страница 25: ...emperature thermistor RT62 MU GA80VB Ambient temperature thermistor RT63 MU GA80VB Measure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Part temperature 0 C 40 C Normal 120 k 800k Abnormal Open or short circuit Normal 5 k 60 k Abnormal Open or short circuit w Reference value MU GA50VB MU GA60VB MU GA80VB Measure the resistance between the termin...

Страница 26: ...ower supply Yes Is there 230V AC between 2 T1 on the compressor contactor 52C and N on the outdoor terminal block Yes Replace the deicer P C board Replace the deicer P C board No Yes No Is there 230V AC between 1 L1 on the compressor contactor 52C and N on the outdoor terminal block No No Yes Yes Yes Is there 230V AC between CN711 1 3 or 2 3 on the deicer P C board w Operate the unit in COOL mode ...

Страница 27: ...29 By tester the stylus is between 5 10V As for indoor unit refer to service manual OB369 Start No No Is there 20V DC between both ends of R132 on the indoor electronic control P C board By tester the stylus is between 0 20V Turn ON the power supply indoor outdoor unit Press once EMERGENCY OPERATION switch Is this mis wiring poor contact or wire disconnection Make them sure Replace the indoor elec...

Страница 28: ...ne beep tone LEV operates in full opening direction Is LEV properly fixed to the expansion valve Ok Do you hear the expansion valve click click Do you feel the expansion valve vibrate on touching it Does the resistance of LEV have the characterictics on page 25 No Yes Yes Yes No No Properly fix the LEV to the expansion valve Replace the deicer P C board NOTE After check of LEV do the undermentione...

Страница 29: ... temperature thermistor RT63 20 10 0 10 20 30 40 0 10 20 30 40 50 60 70 80 90 100 Temperature Resistance k CN662 1 2 Discharge temper ature thermistor RT62 Refer to page 28 CN662 3 4 Ambient temperature thermistor RT63 Refer to page 28 LEV connector CN724 Fan motor connector CN711 Varistor NR61 CN7301 3 230V AC Refer to page 26 or 27 R601 10V DC Refer to page 27 Refer to page 26 or 27 J101 J401 9 ...

Страница 30: ...ut Check the shape of the terminal and work Terminal with lock mechanism Detaching points Connector Sleeve Locking lever OPERATING PROCEDURE PHOTOS 1 Removing the cabinet 1 Remove the screws of the cabinet 2 Hold the down of the cabinet on the both side and remove the cabinet 10 1 MU GA50VB OUTDOOR UNIT E1 Photo 1 Photo 2 Screws of the cabinet Screws of the cabinet Service panel 2 Removing the ele...

Страница 31: ...he compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of the suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm2 MPa Use the burner un...

Страница 32: ...DOOR UNIT E1 Photo 1 Photo 3 Photo 2 Screws Screws Service panel 2 Removing the electrical parts 1 Remove the cabinet Refer to 1 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal block TB1 TB2 Relay X1 Compressor contactor 52C Compressor capacitor C1 Outdoor fan capacitor C2 Terminal blocks TB1 TB2 Compressor contactor 52C Connector Relay X1 ...

Страница 33: ...ve the soundproof felt 3 Remove the terminal cover on the compressor 4 Disconnect the lead wires from the glass terminal of the compressor 5 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressure gauge shows 0 kg cm2 0MPa 6 Disconnect the welded part of the discharge pipe 7 Disconnect the welded part of the suction pipe 8 Remove nuts fixing the compressor 9 Rem...

Страница 34: ...nel 10 Remove the back panel Photo 2 Photo 1 Photo 3 Screw of the top panel Screws of the cabinet Screws of the cabinet Screws of the top panel Screw of the motor support Set screws of the back panel Screws of the front panel 2 Removing the deicer P C board 1 Remove the service panel and the cabinet 2 Disconnect all the connectors and the terminals on the deicer P C board 3 Remove the deicer P C b...

Страница 35: ...t the outdoor fan motor connector 4 Remove the screws fixing the outdoor fan motor 5 Remove the outdoor fan motor Photo 5 Set screws of the outdoor fan motor Set screws of the outdoor fan motor Propeller nut 4 Removing the compressor 1 Remove the cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the c...

Страница 36: ...36 PARTS LIST 11 MU GA50VB MU GA60VB 11 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS E1 E1 1 17 12 13 11 16 4 5 6 10 9 8 2 3 7 19 20 14 15 22 21 18 ...

Страница 37: ...21 22 23 BACK PANEL CABINET GRILLE PROPELLER MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET COMPRESSOR COMPRESSOR BASE BASE STOP VALVE GAS STOP VALVE GAS STOP VALVE LIQUID SERVICE PANEL OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR OUTDOOR HEAT EXCHANGER OUTDOOR HEAT EXCHANGER SURGE ABSORBER SURGE ABSORBER TERMINAL BLOCK TERMINAL BLOCK COMPRESSOR CONTACTOR RELAY COMPRESSOR CONTACTOR OUTDOOR FAN C...

Страница 38: ...38 MU GA80VB 11 2 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS E1 4 21 13 9 1 12 10 11 2 5 6 7 8 15 14 15 16 17 18 19 22 23 24 25 3 20 ...

Страница 39: ...25 26 27 28 29 30 31 32 TOP PANEL OUTDOOR HEAT EXCHANGER OUTDOOR FAN MOTOR PROPELLER BASE CABINET HANDLE FAN GUARD COMPRESSOR RUBBER SET COMPRESSOR STOP VALVE GAS STOP VALVE LIQUID VALVE COVER SERVICE PANEL THERMISTOR SURGE ABSORBER TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR DEICER P C BOARD COMPRESSOR CONTACTOR COMPRESSOR CAPACITOR BACK PANEL OUT HANDLE MOTOR SUPPORT EXPANSION VALVE EXPA...

Страница 40: ...Specifications subject to change without notice C C Copyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Oct 2004 No OB370 6 Made in Japan HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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