Mitsubishi Electric MU-GF20VA страница 33 Скачать руководство пользователя | Manualshive

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33

OPERATING PROCEDURE

PHOTOS

1. Removing the cabinet

(1) Remove the screw fixing the service panel
(2) Pull down the service panel and remove it.
(3) Disconnect the indoor/outdoor connecting wire.
(4) Remove the screws fixing the top panel.
(5) Remove the top panel.
(6) Remove the screws fixing the cabinet.
(7) Remove the cabinet.
(8) Remove the screws fixing the back panel.
(9) Remove the back panel.

10-2. MU-GF50VA

Photo 1

Screws of the cabinet

Screws of the front panel and motor support

Photo 3

Screws of the

top panel

Service

panel

Screw of the

cabinet

Direction

to remove

Hooks

Screw of the

service panel

Screws of

the cabinet

Photo 2

Screws of the

top panel

NOTE:

Turn OFF the power supply before disassembly.

OBH622A

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Содержание MU-GF20VA

Страница 1: ... 10 DISASSEMBLY INSTRUCTIONS 31 Models NOTE RoHS compliant products have G mark on the spec name plate Indoor unit service manual MS GF VA Series OBH621 MU GF20VA E1 MU GF25VA E1 MU GF35VA E1 MU GF50VA E1 MU GF60VA E1 MU GF80VA E1 PARTS CATALOG OBB622 SPLIT TYPE AIR CONDITIONERS OUTDOOR UNIT HFC utilized R410A No OBH622 REVISED EDITION A Please void OBH622 Revision A MU GF50VA E1 MU GF60VA E1 and ...

Страница 2: ...r 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 into the electric parts Do n...

Страница 3: ...r inlet back and side MU GF20VA MU GF25VA MU GF35VA PART NAMES AND FUNCTIONS 2 Air outlet Drain outlet Piping Drain hose Air inlet back and side MU GF50VA MU GF60VA MU GF80VA Piping Air outlet Drain outlet Air inlet back and side Drain hose OBH622A ...

Страница 4: ...C S 5 40 C R 2 69 C S 3 51 C R 2 12 C S 3 40 C R 0 95 C S 1 48 C R 0 68 C S 1 80 Fan motor Model RA6V21 BC RA6V33 QA RA6V75 FA RA6V75 EA Fan motor current A 0 23 0 29 0 30 0 50 0 60 Winding resistance at 20 C Ω WHT BLK 276 BLK RED 233 WHT BLK 171 BLK RED 226 WHT BLK 71 5 BLK RED 89 5 WHT BLK 64 3 BLK RED 84 0 Dimensions W H D mm 718 x 525 x 255 800x 550x 285 840x 880x 330 Weight kg 25 34 38 57 72 ...

Страница 5: ...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 47 NC 10 MU GF20VA MU GF25VA MU GF35VA 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 CENT...

Страница 6: ...0 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 LINE 54 NC 10 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 FREQUENCI...

Страница 7: ... 200 mm or more 0 0 1 m m r o e r o m Air out Air in Air in Service port Handle 500 Bolt pitch for installation Service panel Liquid refrigerant pipe joint Refrigerant pipe flared ø6 35 Gas refrigerant pipe joint Refrigerant pipe flared ø9 52 Bolt pitch for installation 264 280 2 holes 10 x 16 Drain hole ø33 OUTLINES AND DIMENSIONS 5 OBH622A ...

Страница 8: ... 150 22 3 550 280 164 5 99 5 170 5 23 285 344 5 44 400 17 5 Bolt pitch for installation 304 325 40 4 3 3 5 2 holes 10x21 350mm or more 200mm or more 100mm or more 100mm or more Drain hole ø42 417 5 40 42 Drain hole 175 500 330 50 Air in Air out 2 holes 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 MU GF60VA flared Ø 9...

Страница 9: ...9 MU GF20VA MU GF25VA MU GF35VA 6 WIRING DIAGRAM MU GF50VA OBH622A ...

Страница 10: ...10 MU GF60VA MU GF80VA OBH622A ...

Страница 11: ...gerant pipe 6 35 with heat insulator Refrigerant pipe 9 52 MU GF35VA 12 7 MU GF50VA with heat insulator Flared connection Flared connection Refrigerant flow in cooling Capillary tube 3 0 x 1 4 x 900 Stop valve with service port Stop valve Compressor Strainer 100 Outdoor heat exchanger Refrigerant pipe 6 35 with heat insulator Refrigerant pipe 9 52 with heat insulator Flared connection Flared conne...

Страница 12: ... 88 with heat insulator Refrigerant pipe ø6 35 with heat insulator Strainer 100 Outdoor heat exchanger MU GF80VA Outdoor heat exchanger Flared connection Flared connection Stop valve Stop valve with service port Refrigerant pipe 15 88 with heat insulator Refrigerant pipe 9 52 with heat insulator Compressor Accumulator Strainer 100 Refrigerant flow in cooling Capillary tube 4 0 x 2 4 x 600 OBH622A ...

Страница 13: ...GERANT PIPING LENGTH and MAX HEIGHT DIFFERENCE Refrigerant piping m Piping size O D mm Max Length A Max Height difference B Gas Liquid MU GF20VA 20 10 9 52 6 35 MU GF25VA 20 10 9 52 6 35 MU GF35VA 25 10 9 52 6 35 MU GF50VA 30 10 12 7 6 35 MU GF60VA 30 10 15 88 6 35 MU GF80VA 30 15 15 88 9 52 Model Outdoor unit precharged Refrigerant piping length one way 7 m 10 m 15 m 20 m 25m 30m MU GF50VA 1 200 ...

Страница 14: ... 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 the air filter is cleaned 4 Open windows and doors of room 5 Press the EMERGENCY OPERATION switch once to start t...

Страница 15: ...dition Air flow should be set at MAX 8 2 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT Dry bulb temperature C Relative humidity 20 50 25 60 30 70 NOTE The unit of pressure has been changed to MPa on the international system of units SI unit system The conversion factor is 1 MPa Gauge 10 2 kgf cm2 Gauge Outdoor low pressure Outdoor low pressure MU GF50VA MU GF60VA Outdoor low pressure MU GF80VA Amb...

Страница 16: ...mperature C Ambient humidity Outdoor current A 15 20 50 25 60 30 70 35 15 20 50 25 60 30 70 35 MU GF35VA 4 5 6 7 8 9 7 8 9 10 11 12 9 10 11 12 13 14 MU GF50VA MU GF60VA Ambient temperature C Ambient humidity Outdoor current A 15 20 50 25 60 30 70 35 15 20 50 25 60 30 70 35 Ambient temperature C Ambient humidity Outdoor current A 15 20 50 25 60 30 70 35 15 20 50 25 60 30 70 35 Ambient temperature C...

Страница 17: ...703 27 24 3 08 1 66 0 54 646 2 97 1 60 0 54 682 2 90 1 56 0 54 703 2 81 1 52 0 54 738 27 26 3 17 1 33 0 42 682 3 08 1 29 0 42 717 3 04 1 28 0 42 738 2 94 1 24 0 42 760 28 18 2 70 2 54 0 94 568 2 59 2 43 0 94 596 2 48 2 33 0 94 625 2 39 2 25 0 94 653 28 20 2 82 2 31 0 82 596 2 70 2 22 0 82 632 2 62 2 15 0 82 646 2 53 2 07 0 82 675 28 22 2 93 2 05 0 70 618 2 83 1 98 0 70 657 2 76 1 93 0 70 675 2 65 ...

Страница 18: ...795 2 19 1 44 0 66 824 27 24 2 65 1 43 0 54 781 2 48 1 34 0 54 816 2 35 1 27 0 54 852 27 26 2 78 1 17 0 42 809 2 62 1 10 0 42 845 2 46 1 03 0 42 880 28 18 2 25 2 12 0 94 696 2 07 1 95 0 94 738 1 91 1 79 0 94 767 28 20 2 37 1 94 0 82 724 2 21 1 81 0 82 760 2 05 1 68 0 82 802 28 22 2 51 1 75 0 70 753 2 35 1 64 0 70 795 2 19 1 53 0 70 824 28 24 2 65 1 53 0 58 781 2 48 1 44 0 58 816 2 35 1 36 0 58 852...

Страница 19: ...767 27 24 3 35 1 71 0 51 705 3 23 1 64 0 51 744 3 15 1 61 0 51 767 3 05 1 56 0 51 806 27 26 3 45 1 35 0 39 744 3 35 1 31 0 39 783 3 30 1 29 0 39 806 3 20 1 25 0 39 829 28 18 2 94 2 67 0 91 620 2 81 2 56 0 91 651 2 70 2 46 0 91 682 2 60 2 37 0 91 713 28 20 3 06 2 42 0 79 651 2 94 2 32 0 79 690 2 85 2 25 0 79 705 2 75 2 17 0 79 736 28 22 3 19 2 14 0 67 674 3 08 2 06 0 67 717 3 00 2 01 0 67 736 2 88 ...

Страница 20: ...868 2 38 1 50 0 63 899 27 24 2 88 1 47 0 51 853 2 70 1 38 0 51 891 2 55 1 30 0 51 930 27 26 3 03 1 18 0 39 883 2 85 1 11 0 39 922 2 68 1 04 0 39 961 28 18 2 45 2 23 0 91 760 2 25 2 05 0 91 806 2 08 1 89 0 91 837 28 20 2 58 2 03 0 79 791 2 40 1 90 0 79 829 2 23 1 76 0 79 876 28 22 2 73 1 83 0 67 822 2 55 1 71 0 67 868 2 38 1 59 0 67 899 28 24 2 88 1 58 0 55 853 2 70 1 49 0 55 891 2 55 1 40 0 55 930...

Страница 21: ...4 62 2 03 0 44 1019 4 45 1 96 0 44 1075 4 35 1 91 0 44 1109 4 21 1 85 0 44 1165 27 26 4 76 1 52 0 32 1075 4 62 1 48 0 32 1131 4 55 1 46 0 32 1165 4 42 1 41 0 32 1198 28 18 4 05 3 41 0 84 896 3 88 3 26 0 84 941 3 73 3 13 0 84 986 3 59 3 01 0 84 1030 28 20 4 23 3 04 0 72 941 4 05 2 92 0 72 997 3 93 2 83 0 72 1019 3 80 2 73 0 72 1064 28 22 4 40 2 64 0 60 974 4 24 2 55 0 60 1036 4 14 2 48 0 60 1064 3 ...

Страница 22: ...3 28 1 84 0 56 1299 27 24 3 97 1 75 0 44 1232 3 73 1 64 0 44 1288 3 52 1 55 0 44 1344 27 26 4 17 1 34 0 32 1277 3 93 1 26 0 32 1333 3 69 1 18 0 32 1389 28 18 3 38 2 84 0 84 1098 3 11 2 61 0 84 1165 2 86 2 41 0 84 1210 28 20 3 55 2 56 0 72 1142 3 31 2 38 0 72 1198 3 07 2 21 0 72 1266 28 22 3 76 2 26 0 60 1187 3 52 2 11 0 60 1254 3 28 1 97 0 60 1299 28 24 3 97 1 90 0 48 1232 3 73 1 79 0 48 1288 3 52...

Страница 23: ...7 24 6 50 3 31 0 51 1347 6 26 3 19 0 51 1421 6 11 3 12 0 51 1465 5 92 3 02 0 51 1539 27 26 6 69 2 61 0 39 1421 6 50 2 53 0 39 1495 6 40 2 50 0 39 1539 6 21 2 42 0 39 1584 28 18 5 70 5 19 0 91 1184 5 46 4 97 0 91 1243 5 24 4 77 0 91 1302 5 04 4 59 0 91 1362 28 20 5 94 4 69 0 79 1243 5 70 4 50 0 79 1317 5 53 4 37 0 79 1347 5 34 4 21 0 79 1406 28 22 6 18 4 14 0 67 1288 5 97 4 00 0 67 1369 5 82 3 90 0...

Страница 24: ...4 61 2 90 0 63 1717 27 24 5 58 2 84 0 51 1628 5 24 2 67 0 51 1702 4 95 2 52 0 51 1776 27 26 5 87 2 29 0 39 1687 5 53 2 16 0 39 1761 5 19 2 02 0 39 1835 28 18 4 75 4 33 0 91 1450 4 37 3 97 0 91 1539 4 03 3 66 0 91 1598 28 20 5 00 3 95 0 79 1510 4 66 3 68 0 79 1584 4 32 3 41 0 79 1672 28 22 5 29 3 54 0 67 1569 4 95 3 31 0 67 1658 4 61 3 09 0 67 1717 28 24 5 58 3 07 0 55 1628 5 24 2 88 0 55 1702 4 95...

Страница 25: ...7 24 8 58 3 60 0 42 1975 8 26 3 47 0 42 2083 8 06 3 39 0 42 2148 7 81 3 28 0 42 2257 27 26 8 83 2 65 0 30 2083 8 58 2 57 0 30 2192 8 45 2 53 0 30 2257 8 19 2 46 0 30 2322 28 18 7 52 6 17 0 82 1736 7 20 5 90 0 82 1823 6 91 5 67 0 82 1910 6 66 5 46 0 82 1996 28 20 7 84 5 49 0 70 1823 7 52 5 26 0 70 1931 7 30 5 11 0 70 1975 7 04 4 93 0 70 2062 28 22 8 16 4 73 0 58 1888 7 87 4 57 0 58 2007 7 68 4 45 0...

Страница 26: ... 08 3 28 0 54 2517 27 24 7 36 3 09 0 42 2387 6 91 2 90 0 42 2496 6 53 2 74 0 42 2604 27 26 7 74 2 32 0 30 2474 7 30 2 19 0 30 2582 6 85 2 05 0 30 2691 28 18 6 27 5 14 0 82 2127 5 76 4 72 0 82 2257 5 31 4 36 0 82 2344 28 20 6 59 4 61 0 70 2213 6 14 4 30 0 70 2322 5 70 3 99 0 70 2452 28 22 6 98 4 05 0 58 2300 6 53 3 79 0 58 2430 6 08 3 53 0 58 2517 28 24 7 36 3 39 0 46 2387 6 91 3 18 0 46 2496 6 53 ...

Страница 27: ...3 87 0 37 2530 10 06 3 72 0 37 2669 9 83 3 64 0 37 2752 9 52 3 52 0 37 2891 27 26 10 76 2 69 0 25 2669 10 45 2 61 0 25 2808 10 30 2 57 0 25 2891 9 98 2 50 0 25 2975 28 18 9 17 7 06 0 77 2224 8 78 6 76 0 77 2335 8 42 6 49 0 77 2446 8 11 6 25 0 77 2558 28 20 9 56 6 21 0 65 2335 9 17 5 96 0 65 2474 8 89 5 78 0 65 2530 8 58 5 58 0 65 2641 28 22 9 95 5 27 0 53 2419 9 59 5 08 0 53 2572 9 36 4 96 0 53 26...

Страница 28: ... 41 3 63 0 49 3225 27 24 8 97 3 32 0 37 3058 8 42 3 12 0 37 3197 7 96 2 94 0 37 3336 27 26 9 44 2 36 0 25 3169 8 89 2 22 0 25 3308 8 35 2 09 0 25 3447 28 18 7 64 5 89 0 77 2724 7 02 5 41 0 77 2891 6 47 4 98 0 77 3002 28 20 8 03 5 22 0 65 2836 7 49 4 87 0 65 2975 6 94 4 51 0 65 3141 28 22 8 50 4 51 0 53 2947 7 96 4 22 0 53 3114 7 41 3 93 0 53 3225 28 24 8 97 3 68 0 41 3058 8 42 3 45 0 41 3197 7 96 ...

Страница 29: ... of the board with care NOT to apply stress on the components 5 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires 3 Troubleshooting procedure 1 Check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality To make sure check how many times the OPERATION INDICATOR lamp is flashing on and off befo...

Страница 30: ... 4 76 5 83 3 09 3 79 Normal Ω MU GF50VA MU GF60VA MU GF80VA C R 1 87 2 29 0 83 1 03 0 59 0 74 C S 2 99 3 67 1 30 1 60 1 58 1 95 Outdoor fan motor INNER FUSE MU GF20 25VA 130 C CUT OFF MU GF35 50VA 145 C CUT OFF INNER PROTECTOR MU GF60VA 130 5 C OPEN 83 15 C CLOSE MU GF80VA 145 5 C OPEN 94 15 C CLOSE Measure the resistance between lead wires using a tester Temperature 10 40 C Color of lead wire Nor...

Страница 31: ...cking 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 The terminal without locking mechani...

Страница 32: ...fan motor 5 Remove the outdoor fan motor Photo 5 4 Removing the compressor 1 Remove the top panel the service panel the valve cover and the cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover 5 Pull out the lead wires from the glass terminal of the compressor 6 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressu...

Страница 33: ...nel 6 Remove the screws fixing the cabinet 7 Remove the cabinet 8 Remove the screws fixing the back panel 9 Remove the back panel 10 2 MU GF50VA Photo 1 Screws of the cabinet Screws of the front panel and motor support Photo 3 Screws of the top panel Service panel Screw of the cabinet Direction to remove Hooks Screw of the service panel Screws of the cabinet Photo 2 Screws of the top panel NOTE Tu...

Страница 34: ... 1 Remove the cabinet Refer to 1 2 Remove the propeller nut and remove the propeller NOTE Loosen the propeller in the rotating direction for removal When attaching the propeller align the mark on the propeller and the motor shaft cut section Set the propeller in position by using the cut on the shaft and the mark on the propeller 3 Disconnect the connector and remove the lead clamps and outdoor fa...

Страница 35: ...om the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressure gauge shows 0 kg cm2 0 MPa 7 Disconnect the brazed parts of the suction pipe and dis charge pipe 8 Remove the nuts fixing the compressor and the compres sor Glass terminal Brazed part of the discharge pipe Brazed part of the suction pipe Compressor nuts Compressor ...

Страница 36: ...ical parts 1 Remove the service panel and the cabinet Refer to 1 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal block TB Compressor contactor 52C Photo 3 Screws of the cabinet Screws of the top panel Terminal block TB Compressor capacitor C1 Compressor contactor 52C Outdoor fan capacitor C2 Screws of the cabinet Screw of the front panel and separator Screw o...

Страница 37: ... 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 compressor 6 Recover gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Before using a burner recover gas from the pipes...

Страница 38: ...arts 1 Remove the service panel and the cabinet Refer to 1 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal block TB Compressor contactor 52C CR surge absorber CR Photo 3 Screws of the cabinet Screws of the top panel Outdoor fan capacitor C2 Screws of the cabinet Screw of the front panel and separator Screw of the front panel and motor support Screws of the to...

Страница 39: ... 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 compressor 6 Recover gas from the refrigerant circuit 7 Disconnect the brazed part of the discharge pipe 8 Disconnect the brazed part of suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Before using a burner recover gas from the pipes...

Страница 40: ...ributed in Feb 2013 No OBH622 REVISED EDITION A Distributed in Oct 2012 No OBH622 Made in Japan New publication effective Feb 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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