background image

SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················4
3. INDOOR / OUTDOOR 

CORRESPONDENCE TABLE ···························5

4. SPECIFICATION·················································5
5. NOISE CRITERIA CURVES ·······························6
6. OUTLINES AND DIMENSIONS ························ 6
7. WIRING DIAGRAM ············································7
8. REFRIGERANT SYSTEM DIAGRAM ················8
9. PERFORMANCE CURVES ································9

10. MICROPROCESSOR CONTROL ····················15
11. TROUBLESHOOTING ······································15
12. DISASSEMBLY INSTRUCTIONS·····················21
13. PARTS LIST······················································23

Multi system type
Model

MUX-A22WV  -

E1

MUX-A22WV  -

E1

No. OB318

HFC

utilized

R410A

SPLIT-TYPE, AIR CONDITIONER

Indication of 
model name

NOTE:
•This manual describes technical data of outdoor unit.
•As for indoor unit MSC-A07WV -

or MSC-A12WV -

,

refer to the service manual OB307 REVISED EDITION-A.

E1

E1

OB318--1.qxp  03.10.30 0:54 PM  Page 1

Содержание MUX-A22WV

Страница 1: ...TEM DIAGRAM 8 9 PERFORMANCE CURVES 9 10 MICROPROCESSOR CONTROL 15 11 TROUBLESHOOTING 15 12 DISASSEMBLY INSTRUCTIONS 21 13 PARTS LIST 23 Multi system type Model MUX A22WV E1 MUX A22WV E1 No OB318 HFC u...

Страница 2: ...high as that of R22 some special tools and piping parts materials are required Refer to the table below 2 Take sufficient care not to allow water and other contaminations to enter the R410A refrigeran...

Страница 3: ...porization No No No Yes Yes New New New Gauge manifold Charge hose Torque wrench Flare tool Flare gauge Vacuum pump adapter Electronic scale for refrigerant charging No Not Substitutable for R410A Yes...

Страница 4: ...into the atmosphere Take care not to discharge refrigerant into the atmosphere during installation reinstallation or repairs to the refrigerant circuit Use the vacuum pump for air purging for the pur...

Страница 5: ...ouble A B or A C 3 5 2 4 1 4 0 9 2 460 20 8 92 1 975 96 3 48 8 01 0 57 2 88 MC1 RN145VHSHT MC2 RN092VHSHT MC1 1 000 MC2 600 RA6V60 GA WHT BLK 90 BLK RED 146 840O640O330 67 52 730 1 0 85 Room A 0 85 Ro...

Страница 6: ...MUX A22WV E1 OUTDOOR UNIT 500 840 61 264 1 0 1 0 Service panel 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...

Страница 7: ...UNIT SYMBOL MF61 NR61 SR861 SR863 SR865 SR866 TB1 SYMBOL C1 C2 C61 DSAR F61 MC1 MC2 NAME NAME NAME COMPRESSOR CAPACITOR MC1 COMPRESSOR CAPACITOR MC2 OUTDOOR FAN CAPACITOR SURGE ABSORBER FUSE 3 15A COM...

Страница 8: ...ve with service port Stop valve Solenoid valve 21R3 Solenoid valve 21R4 Solenoid valve 21RB Stop valve with service port Stop valve with service port Capillary tube CT1 Capillary tube CT3 Capillary tu...

Страница 9: ...liquid For gas Outside diameter mm 6 35 12 7 6 35 9 52 8mm 8mm 8mm 8mm Insulation material Heat resisting foam plastic 0 045 specific gravity Unit A Unit B and Unit C 9 The standard data contained in...

Страница 10: ...7 8 8 6 9 4 MUX A22WV E1 MSC A07WV E1 6 1 6 9 7 7 8 5 9 4 10 2 MUX A22WV E1 MSC A12WV E1 B or C A 9 1 CAPACITY AND THE INPUT CURVES ONE INDOOR UNIT WITH ONE OUTDOOR UNIT 70 Dry bulb temperature Relat...

Страница 11: ...2 20 0 55 1307 27 24 4 69 2 00 0 43 1201 4 52 1 93 0 43 1267 4 41 1 88 0 43 1307 4 27 1 82 0 43 1373 27 26 4 83 1 48 0 31 1267 4 69 1 44 0 31 1333 4 62 1 42 0 31 1373 4 48 1 38 0 31 1412 28 18 4 11 3...

Страница 12: ...2 09 0 55 1399 3 57 1 95 0 55 1478 3 45 1 89 0 55 1505 27 24 4 03 1 72 0 43 1452 3 78 1 61 0 43 1518 3 68 1 57 0 43 1551 27 26 4 24 1 30 0 31 1505 3 99 1 22 0 31 1571 3 87 1 19 0 31 1604 28 18 3 43 2...

Страница 13: ...6 808 2 76 1 55 0 56 842 27 24 3 22 1 42 0 44 774 3 10 1 36 0 44 816 3 02 1 33 0 44 842 2 93 1 29 0 44 884 27 26 3 31 1 06 0 32 816 3 22 1 03 0 32 859 3 17 1 01 0 32 884 3 07 0 98 0 32 910 28 18 2 82...

Страница 14: ...2 62 1 46 0 56 901 2 45 1 37 0 56 952 2 36 1 32 0 56 969 27 24 2 76 1 21 0 44 935 2 59 1 14 0 44 978 2 52 1 11 0 44 999 27 26 2 90 0 93 0 32 969 2 74 0 88 0 32 1012 2 65 0 85 0 32 1033 28 18 2 35 1 9...

Страница 15: ...the unit and then after con firming 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 cabi...

Страница 16: ...ge 18 Refer to Check of remote controller and receiver P C board Flash on and off at 0 5 second intervals Cause Wrong setting of switch SW2 2 on the electronic control P C board 2 time flash Cause Ind...

Страница 17: ...rcuit C R C S RN145VHSHT RN092VHSHT 2 14 2 63 3 41 4 18 3 35 4 11 5 41 6 63 Outdoor fan motor MF61 INNER PROTECTOR 145i8 C OPEN Measure the resistance between the terminals with a tester Coil wiring t...

Страница 18: ...inal block of each indoor unit No Short both terminal of fuse F61 Yes Is the resistance 0 between the fuse F61 and the terminal of CN903 Replace the outdoor control P C board Yes Replace the fuse F61...

Страница 19: ...oor unit is operating Turn ON the power supply and operate all the indoor units at a time Yes No Operate the indoor unit one by one and measure the voltage between 1 and 2 of outdoor terminal block fo...

Страница 20: ...nput 230V AC 50Hz Terminal 3 of X522 Terminal 3 of X521 Terminal 4 of X521 To fan motor To fan capacitor C61 To solenoid coil 21RB 230V AC 50Hz To indoor unit C Solenoid coil 21R4 230V AC 50Hz To indo...

Страница 21: ...of the terminal and work Terminal with lock mechanism Detaching points Connector Sleeve Locking lever 12 1 MUX A22WV OUTDOOR UNIT E1 OPERATING PROCEDURE PHOTOS 1 Removing the cabinet 1 Remove the scre...

Страница 22: ...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 pa...

Страница 23: ...2 MC1 CT1 CT3 CT4 CT2 CT5 21RB 21R3 21R4 E02 636 297 E02 636 515 E02 756 630 E02 636 232 E02 527 521 E07 001 009 E02 742 900 E02 744 900 E02 289 936 E02 134 936 E02 075 506 E02 636 290 E02 756 661 E02...

Страница 24: ...2 TB3 TB1 C61 F61 C2 C1 DSAR TB4 E02 756 301 E02 214 501 E02 757 444 E02 085 385 E02 637 374 E02 637 377 E02 756 374 E02 138 351 E02 127 382 E02 742 353 E02 667 353 E02 128 383 E07 056 374 No Part No...

Отзывы: