Mitsubishi Electric MU-GA20VB-E1 Скачать руководство пользователя страница 1 | Manualshive

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CONTENTS

1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································3
4. NOISE CRITERIA CURVES ·······························5
5. OUTLINES AND DIMENSIONS ·························6
6. WIRING DIAGRAM ············································6
7. REFRIGERANT SYSTEM DIAGRAM ················7
8. PERFORMANCE CURVES ································8
9. TROUBLESHOOTING······································17

10. DISASSEMBLY INSTRUCTIONS·····················20
11. PARTS LIST······················································22
12. RoHS PARTS LIST···········································24

MU-GA20VB
MU-GA25VB
MU-GA35VB

HFC

utilized

R410A

SPLIT-TYPE, AIR CONDITIONERS

Wireless type
Models

MU-GA20VB-

MU-GA20VB-

MU-GA25VB-

MU-GA25VB-

MU-GA35VB-

E1

E2

E1

E2

E1

SERVICE MANUAL

OUTDOOR UNIT

Indoor unit service manual

MSC-GA

•

VB Series (OB385)

MSC-CA

•

VB Series (OB393)

No. OB386

REVISED EDITION-B

Please void OB386 REVISED EDITION-A.

Revision B:

●

MU-GA20VB-

and MU-GA25VB -

have been added.

E2

E2

NOTE:

• This service manual describes technical data of outdoor units.
• RoHS compliant products have <G> mark on the spec name plate.

For servicing of RoHS compliant products, refer to the RoHS Parts List.

OB386B.qxp 06.4.25 11:23 AM Page 1

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Содержание MU-GA20VB-E1

Страница 1: ...d R410A SPLIT TYPE AIR CONDITIONERS Wireless type Models MU GA20VB MU GA20VB MU GA25VB MU GA25VB MU GA35VB E1 E2 E1 E2 E1 SERVICE MANUAL OUTDOOR UNIT Indoor unit service manual MSC GA VB Series OB385 MSC CA VB Series OB393 No OB386 REVISED EDITION B Please void OB386 REVISED EDITION A Revision B MU GA20VB and MU GA25VB have been added E2 E2 NOTE This service manual describes technical data of outd...

Страница 2: ...sor has been changed RN099VHSHT RN092VHSHT MU A12YV MU GA35VB 1 Indication of capacity has been changed BTU base kW base 2 Unit size has been changed W780mm x H540mm x D255mm W800mm x H550mm x D285mm 3 Outdoor fan motor has been changed RC6V33 AC RA6V33 KA 4 Stop valve cover has been added 5 Outdoor fan capacitor has been changed 6 Compressor capacitor has been changed 7 Compressor has been change...

Страница 3: ...ity R410A Refrigeration oil Model kW R h K h A A W A kW A A A W mm kg dB rpm kg cc MU GA20VB E1 Single phase 230V 50Hz 2 3 0 9 1 800 10 3 17 715 98 21 2 76 0 245 3 22 RN092VHSHT 600 C R 3 87 C S 6 14 RA6V21 AC WHT BLK 366 BLK RED 274 800o550o285 31 45 745 1 0 60 350 NEO22 MU GA20VB E2 Single phase 230V 50Hz 2 3 0 9 1 800 10 3 17 715 98 15 5 2 76 0 245 3 22 KN092VDMHC 650 C R 3 62 C S 5 40 RA6V21 A...

Страница 4: ...00o550o285 27 45 745 1 0 60 350 NEO22 2 5 1 1 1 800 3 40 775 99 15 5 2 99 0 245 3 23 MU GA25VB E1 Single phase 230V 50Hz 10 RN092VHSHT 600 C R 3 87 C S 6 14 RA6V21 AC WHT BLK 366 BLK RED 274 800o550o285 31 45 745 1 0 60 350 NEO22 2 5 1 1 1 800 3 40 775 99 21 2 99 0 245 3 23 MU GA35VB E1 Single phase 230V 50Hz 1 7 10 5PS132DAH01 900 C R 2 80 C S 5 43 RA6V33 KA WHT BLK 215 BLK RED 307 800o550o285 30...

Страница 5: ...ENTER FREQUENCIES Hz Test conditions Cooling DB35 WB24 MU GA35VB COOL FUNCTION 49 SPL dB A LINE OUTDOOR UNIT MICROPHONE 1m 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 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 Test conditions Cooling DB27 WB19 MU GA20V...

Страница 6: ...5 170 5 23 Service panel Service port 285 344 5 44 400 Air in Air out Air in MU GA35VB 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 10X21 REQUIRED SPACE Basically open 100mm or more without any obstruction in front and on both sides of the unit 350mm or more 200mm or mo...

Страница 7: ...TB2 C1 C2 WHT CIRCUIT BREAKER WHT 51C 4 1 BRN F BLU BRN WHT RED BLU WHT BLK RED POWER SUPPLY N 230V 50Hz 12V TO INDOOR UNIT CONNECTING WHT BLK DSAR 52C C R S GRN YLW BRN COM 52C NO MC 1 3 2 BLK RED WHT MF NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block C...

Страница 8: ...or intake air wet bulb temperature CWB 2 Indoor outlet air wet bulb temperature CWB 3 Outdoor intake air dry bulb temperature CDB 4 Total input W Indoor air wet dry bulb temperature difference on the left side of the chart on next page shows the difference between the indoor intake air wet dry bulb temperature and the indoor outlet air wet dry bulb temperature for your reference at service How to ...

Страница 9: ...ge 10 2 kgf f f Gauge INDOOR UNIT OUTDOOR UNIT Wet and dry bulb thermometers Wet and dry bulb thermometers MSC GA20VB MU GA20VB MU GA35VB MSC GA35VB MU GA25VB MSC GA25VB 8 5 7 8 7 1 6 4 5 8 5 1 9 6 8 8 8 0 7 2 6 5 5 7 11 0 10 0 9 1 8 2 7 4 6 5 8 1 CAPACITY AND THE INPUT CURVES 18 32 230V 15 20 50 25 60 30 70 35 0 7 0 8 0 9 1 0 1 1 1 2 1 3 7 8 9 10 11 12 13 15 20 50 25 60 30 70 35 1 2 4 3 18 32 230...

Страница 10: ... 70 35 1 2 4 3 18 32 230V 18 32 230V 15 20 50 25 60 30 70 35 0 6 0 7 0 8 0 9 1 0 1 1 1 2 6 7 8 9 10 11 12 MU GA25VB MU GA25VB Outdoor low pressure Outdoor unit current A kgf F Gauge MPa Gauge kgf F Gauge MPa Gauge Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity MU GA35VB MU GA35VB ...

Страница 11: ... 744 2 94 0 94 0 32 765 28 18 2 70 2 27 0 84 572 2 59 2 17 0 84 601 2 48 2 09 0 84 629 2 39 2 01 0 84 658 28 20 2 82 2 03 0 72 601 2 70 1 95 0 72 636 2 62 1 89 0 72 651 2 53 1 82 0 72 679 28 22 2 93 1 76 0 60 622 2 83 1 70 0 60 661 2 76 1 66 0 60 679 2 65 1 59 0 60 708 28 24 3 08 1 48 0 48 651 2 97 1 42 0 48 686 2 90 1 39 0 48 708 2 81 1 35 0 48 744 28 26 3 17 1 14 0 36 686 3 08 1 11 0 36 722 3 04...

Страница 12: ... 851 2 54 0 81 0 32 869 28 18 2 25 1 89 0 84 701 2 07 1 74 0 84 744 1 99 1 67 0 84 758 28 20 2 37 1 71 0 72 729 2 21 1 59 0 72 765 2 13 1 53 0 72 787 28 22 2 51 1 50 0 60 758 2 35 1 41 0 60 801 2 27 1 36 0 60 815 28 24 2 65 1 27 0 48 787 2 48 1 19 0 48 822 2 42 1 16 0 48 840 28 26 2 78 1 00 0 36 815 2 62 0 94 0 36 851 2 54 0 91 0 36 869 29 18 2 25 1 98 0 88 701 2 07 1 82 0 88 744 1 99 1 75 0 88 75...

Страница 13: ... 806 3 20 0 90 0 28 829 28 18 2 94 2 35 0 80 620 2 81 2 25 0 80 651 2 70 2 16 0 80 682 2 60 2 08 0 80 713 28 20 3 06 2 08 0 68 651 2 94 2 00 0 68 690 2 85 1 94 0 68 705 2 75 1 87 0 68 736 28 22 3 19 1 79 0 56 674 3 08 1 72 0 56 717 3 00 1 68 0 56 736 2 88 1 61 0 56 767 28 24 3 35 1 47 0 44 705 3 23 1 42 0 44 744 3 15 1 39 0 44 767 3 05 1 34 0 44 806 28 26 3 45 1 10 0 32 744 3 35 1 07 0 32 783 3 30...

Страница 14: ... 922 2 76 0 77 0 28 942 28 18 2 45 1 96 0 80 760 2 25 1 80 0 80 806 2 16 1 73 0 80 822 28 20 2 58 1 75 0 68 791 2 40 1 63 0 68 829 2 31 1 57 0 68 853 28 22 2 73 1 53 0 56 822 2 55 1 43 0 56 868 2 46 1 38 0 56 884 28 24 2 88 1 27 0 44 853 2 70 1 19 0 44 891 2 63 1 16 0 44 911 28 26 3 03 0 97 0 32 884 2 85 0 91 0 32 922 2 76 0 88 0 32 942 29 18 2 45 2 06 0 84 760 2 25 1 89 0 84 806 2 16 1 82 0 84 82...

Страница 15: ... 42 1 06 0 24 1198 28 18 4 05 3 08 0 76 896 3 88 2 95 0 76 941 3 73 2 83 0 76 986 3 59 2 73 0 76 1030 28 20 4 23 2 70 0 64 941 4 05 2 59 0 64 997 3 93 2 52 0 64 1019 3 80 2 43 0 64 1064 28 22 4 40 2 29 0 52 974 4 24 2 21 0 52 1036 4 14 2 15 0 52 1064 3 97 2 06 0 52 1109 28 24 4 62 1 85 0 40 1019 4 45 1 78 0 40 1075 4 35 1 74 0 40 1109 4 21 1 68 0 40 1165 28 26 4 76 1 33 0 28 1075 4 62 1 29 0 28 11...

Страница 16: ...333 3 81 0 91 0 24 1361 28 18 3 38 2 57 0 76 1098 3 11 2 36 0 76 1165 2 98 2 27 0 76 1187 28 20 3 55 2 27 0 64 1142 3 31 2 12 0 64 1198 3 19 2 04 0 64 1232 28 22 3 76 1 96 0 52 1187 3 52 1 83 0 52 1254 3 40 1 77 0 52 1277 28 24 3 97 1 59 0 40 1232 3 73 1 49 0 40 1288 3 62 1 45 0 40 1316 28 26 4 17 1 17 0 28 1277 3 93 1 10 0 28 1333 3 81 1 07 0 28 1361 29 18 3 38 2 70 0 80 1098 3 11 2 48 0 80 1165 ...

Страница 17: ...t with the 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 electronic control P C board hold the edge of the board with care NOT to apply stress on the components 4 W...

Страница 18: ...me 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 1 Check indoor outdoor connecting wire 2 Refer to Check of indoor electronic control P C board Outdoor unit doesn t stop even if indoor unit stops Check of wiring diagram of outdoor unit Refer to 6 WIRING DIA...

Страница 19: ...1 6 63Ω MU GA20 GA25VB E2 3 19 3 91Ω 4 76 5 83Ω 2 46 3 01Ω 4 79 5 56Ω C R C S MU GA35VB MU GA35VB P INNER PROTECTOR Color of lead wire 9 3 Trouble criterion of main parts A A Check of MU MUX TYPE MUH MXZ TYPE SWITCH OVER Start Turn OFF the power supply indoor outdoor unit Set switch SW2 2 on the indoor electronic control P C board to MU type w1 Does the unit operate OK Yes No Refer to the Instruct...

Страница 20: ...t Photo 2 Screw of the front panel and motor support 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking 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 t...

Страница 21: ... DSAR 2 Removing the electrical 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 TB1 TB2 Surge absorber DSAR Compressor contactor 52C Photo 4 Terminal block TB2 Screws of the outdoor fan motor Compressor contactor 52C Terminal block TB1 Photo 6 Compressor Suction pipe Discharge pipe Glass termin...

Страница 22: ... non RoHS compliant 22 11 19 5 6 9 10 8 4 11 18 3 16 11 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS MU GA20VB MU GA25VB MU GA35VB 2 1 17 15 14 12 7 13 20 This figure shows MU GA20 GA25VB ...

Страница 23: ... PROPELLER CABINET CABINET GRILLE OUT BASE BASE COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET COMPRESSOR COMPRESSOR STOP VALVE GAS STOP VALVE LIQUID BACK PANEL BACK PANEL SERVICE PANEL TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR CONDENSER NET CONDENSER NET MOTOR SUPPORT TOP PANEL SEPARATOR FUSE FUSE HOLDER COMPRESSOR CONTACTOR S...

Страница 24: ...LIST RoHS compliant 24 12 19 5 6 9 10 8 4 11 18 3 16 12 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS MU GA20VB MU GA25VB MU GA35VB 2 1 17 15 14 12 7 13 20 This figure shows MU GA20 GA25VB ...

Страница 25: ...BASE BASE COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET COMPRESSOR COMPRESSOR COMPRESSOR STOP VALVE GAS STOP VALVE LIQUID STOP VALVE LIQUID BACK PANEL BACK PANEL SERVICE PANEL TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR CONDENSER NET CONDENSER NET MOTOR SUPPORT TOP PANEL SEPARATOR FUSE FUSE HOLDER COMPRESSO...

Страница 26: ...26 ...

Страница 27: ...27 ...

Страница 28: ...No OB386 REVISED EDITION B 6 Distributed in Mar 2005 No OB386 REVISED EDITION A 6 Distributed in Jan 2005 No OB386 6 Made in Japan New publication effective May 2006 Specifications subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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