Mitsubishi Electric MSZ-G09SV Service Manual Download Page 108 | Manualshive

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108

MUZ-G09SV -

MUZ-G12SV -

MUZ-G09SV -

MUZ-G12SV -

E2

E2

E1

E1

13-5. OUTDOOR UNIT STRUCTURAL PARTS AND FUNCTIONAL PARTS

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9

6

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4

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3

16

17

8

7

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15

12

11

Part numbers that are circled are not shown in the illustration.

TOP PANEL
TOP PANEL
FRONT PANEL
GRILLE
PROPELLER FAN
PROPELLER FAN
BASE
COMPRESSOR
COMPRESSOR
STOP VALVE (GAS)
STOP VALVE (GAS)
STOP VALVE (LIQUID)
SERVICE PANEL
BACK PANEL
BACK PANEL
BACK PANEL
BACK PANEL
EXPANSION VALVE
EXPANSION VALVE
4-WAY VALVE
4-WAY VALVE
SEPARATOR
SEPARATOR
CONDENSER NET
CONDENSER NET
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
MOTOR SUPPORT
MOTOR SUPPORT
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
CAPILLARY TUBE

{

3.0

✕

{

2.0

✕

300

MUFFLER
MUFFLER
MUFFLER SPECIAL
MUFFLER SPECIAL

When servicing, cut the tube to the proper length as shownin the REFRIGERANT SYSTEM DIAGRAM. See page 21.

T2W E71 297
T2W E93 297
T2W E45 232
T2W E56 521
M21 47L 501
M21 21J 501
M21 54A 290
T92 518 272
T92 501 280
M21 00A 661
M21 00L 661
M21 21J 662
M21 40L 245
T2W E66 531
T2W E85 531
T2W E56 531
T2W E86 531
T2W E66 645
M21 56T 645
M21 21J 961
T2W G04 961
M21 HK6 293
M21 45G 293
M21 83A 523
M21 20A 523
T2W E66 301
T2W E68 301
M21 47J 515
M21 50L 515
M21 43G 630
T2W E68 630
M21 LV0 936
M21 00G 943
M21 22A 943
T2W E66 943
M21 00E 943

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2
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4

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6

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8
9

10

11

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13

14

15

16

17

18

19

20

KHV-104FGK
SHV-130FEA

{

9.52

{

12.7

{

6.35

LEV, CAPILLARY TUBE

LEV ,CAPILLARY TUBE

RA6V18-
RA6V28-

{

3.0

✕

{

2.0

✕

400

MC
MC

MF61
MF61

1

1
1
1

1
1

1

1
1
1

1

1

1

1

1

1

1

1

1

1

1
1
1

1
1

1

1
1

1

1

1

1

1

1

1

1

1

1

1
1
1

1
1

1

1
1
1

1

1

1

1

1

1

1

1
2

1

1

1
1
1

1
1

1

1
1
1

1

1

1

1

1

1

1

1
2

1

1

Symbol

in Wiring

Diagram

Q'ty/unit

Remarks

Part No.

NO.

Part Name

MUZ-G09SV-

E1

E2

MUZ-G12SV-

E1

E2

OB245--4qxp 02.10.22 4:51 PM Page 108

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Summary of Contents for MSZ-G09SV

Page 1: ...63 11 TROUBLESHOOTING 66 12 DISASSEMBLY INSTRUCTIONS 97 13 PARTS LIST 106 14 OPTIONAL PARTS 115 Wireless type Models MSZ G09SV WH MUZ G09SV MSZ G09SV WH MUZ G09SV MSZ G12SV WH MUZ G12SV MSZ G12SV WH MUZ G12SV MSZ G20SV WH MUZ G20SV E1 E1 E2 E2 E1 E1 E2 E2 E1 E1 No OB245 REVISED EDITION B SPLIT TYPE HEAT PUMP AIR CONDITIONERS Revision MSZ G20SV has been added SPECIFICATION PERFORMANCE CURVES and PA...

Page 2: ...ection Emergency operation switch Deodorizing filter gray sponge type and air cleaning filter white bellows type of MSZ G20SV are optional parts Operation Indicator Remote controller PART NAMES AND FUNCTIONS 2 INDOOR UNIT MSZ G20SV E1 MSZ G09SV MSZ G12SV E2 E2 MSZ G09SV MSZ G12SV E1 E1 MSZ G09SV MSZ G12SV E2 E2 MSZ G09SV MSZ G12SV E1 E1 MSZ G20SV E1 MSZ G20SV E1 1 TECHNICAL CHANGES MSZ G09SV MSZ G...

Page 3: ...tion plate Installation plate fixing screw 4 o 25 mm Remote controller holder Fixing screw for 3 3 5 o 1 6 mm Black Battery AAA for remote controller Wireless remote controller Felt tape Used for left or left rear piping 1 7 1 2 2 1 1 MSZ G20SV E1 8 9 0 1 Drain socket 3 way drain socket Relay pipe Different diameter pipe 2 1 1 1 MUZ G20SV E1 MSZ G09SV E1 MSZ G09SV E2 MSZ G12SV E1 MSZ G12SV E2 1 5 ...

Page 4: ...ONTROL button ON TIMER button CLOCK SET button HR button MIN button TIME SET button TEMPERATURE buttons VANE CONTROL button OFF TIMER button RESET button ON OFF TOO WARM TOO COOL HR MIN CLOCK RESET CLOCK MODE FAN VANE START STOP ECONO COOL button ECONO COOL I FEELCOOL DRY HEAT 600 1 100 AM PM SWING SWING button MSZ G09SV MSZ G12SV E1 E1 ...

Page 5: ...CK Open the front lid Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button TIME SET button ON TIMER button RESET button ECONO COOL button VANE CONTROL button CLOCK SET button VERTICAL VANE SWING button MSZ G09SV MSZ G12SV E2 E2 ...

Page 6: ...K Open the front lid Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button TIME SET button ON TIMER button RESET button ECONO COOL button VANE button Horizontal vane button CLOCK SET button LONG button WIDE VANE button Vertical vane button ...

Page 7: ...34W 25W 1 100 920W 700W 6 87 Indoor model Function Power supply Capacity Air flow High Med W LowW Dehumidification Power outlet Running current Power input Auxiliary heater Power factor Starting current Fan motor current Model Winding resistance at20 Dimensions WOHOD Weight Air direction Sound level High Med W LowW Fan speed High Med W LowW Fan speed regulator Thermistor RT11 at25 Thermistor RT12 ...

Page 8: ...mistor RT62 at25 Thermistor RT67 at70 kW K h r h A A W A kW A A mm kg dB rpm k k k K h A A W mm kg dB rpm kg cc k k k MSZ G20SV E1 Single phase 230V 50Hz 20 90 11 20 0 30 RC4V40 AA WHT BLK 138 2 BLK RED 159 0 1 100O325O227 16 5 47 43W 39W 3 10 10 10 MUZ G20SV E1 1 860 1 560W 0 38 SHV 130FEA 1 400 U V 0 45 V W 0 45 W U 0 45 RA6V35 AA WHT BLK 236 2 BLK YLW 48 1 BLK RED 224 1 800 69 o600o300 45 68 63...

Page 9: ...Fuse Expansion valve coil Reactor Current detecting resistor Current limiting resistor Solid state relay Terminal block Outdoor fan relay Current limiting relay R V coil Noise filter Transistor module MSZ G09SV E1 MSZ G12SV E1 MUZ G12SV E1 MSZ G09SV E2 MSZ G12SV E2 165 420V 2500 420V 15A 4 3mH 100m 5W 10 20W EM43262 QM20TG 9B MUZ G09SV E1 MUZ G12SV E2 MUZ G09SV E2 1 8 440V RR 18 S25VB80 250V 2A 25...

Page 10: ...ck Terminal block Outdoor fan relay Outdoor fan relay Relay R V coil Noise filter MSZ G20SV E1 MUZ G20SV E1 C61 C62 C65 CT61 CT62 DS61 DS62 20A 1A F911 F912 IPM L R64A R64B R61 R62 LEV SSR61 TB1 TB2 X61 X62 X64 21S4 C11 F11 MV1 MV2 NR11 SR141 TB 2 5 440V 250V 3 15A MP20 12V 300 ERZV 10D 471 S201 DH1Y 250V 1 5A 4P 165 400V 2500 400V 2 5 400V RR 18 CT25E 31V1A S25VB80 25A 800W 250V 20A 250V 1A 250V ...

Page 11: ...EATING Heating Dry bulb temperature 7 Wet bulb temperature 6 MSZ G09SV MSZ G09SV E2 E1 MSZ G12SV MSZ G12SV E2 E1 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 dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE COOLING FUNCTION 39 SPL dB A LINE High FAN SPEED HEA...

Page 12: ...B A LINE High FAN SPEED HEATING Heating Dry bulb temperature 20 Wet bulb temperature 15 5 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 dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling Dry bulb temperature 35 Wet bulb temperature 24 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE COO...

Page 13: ...ght 1 0m Lead to left 0 3m Wireless remote controller Liquid line 6 35 0 5m Gas line 9 52 0 43m Insulation 37 O D 21 I D 278 Unit mm 116 5 81 5 78 67 818 850 165 629 56 7 or more 100 41 2 5 42 271 4 5 231 5 82 169 326 326 5 189 Air in Air out Insulation 28 Drain hose 16 Connected part O D Installation plate Wall hole 65 Indoor unit Installation plate Power supply cord Lead to right 1 0m Lead to le...

Page 14: ...emote controller Liquid line 6 35 0 5m Gas line 9 52 0 43m Insulation 37 O D 21 I D 78 67 7 INDOOR UNIT MSZ G12SV E2 116 5 81 5 818 278 850 165 629 56 or more 100 41 2 5 42 271 4 5 231 5 82 169 326 326 5 189 Air in Air out Insulation 28 Drain hose 16 Connected part O D Installation plate Wall hole 65 Indoor unit Installation plate Power supply cord Lead to right 1 0m Lead to left 0 3m Liquid line ...

Page 15: ...QUIRED SPACE Even if the right left sides or back side are vacant the top has to be at least 100mm unobstructed Drainage holes 28 127 32 4 92 367 Drainage holes 28 33 32 5 255 285 320 155 90 4 3 3 5 540 270 10 350mm or more 100mm or more 100mm or more 100mm or more Basically unobstructed 12 7 MUZ G12SV W A W A W B W A In case of poorly ventilated place the front or the back has to be at least 200 ...

Page 16: ... 88 When connecting the indoor unit use the different diameter pipe that is an accessory of outdoor unit REQUIRED SPACE Open as a rule 100mm or more if the front and both sides are open 100mm or more 350mm or more 100mm or more Air in Air in 4holes 10x21 Air out Bolt pitch for installation Service panel Service port Liquid refrigerant pipe joint Refrigerant pipe flared 9 52 Open as a rule 200mm or...

Page 17: ...N201 3 2 1 BLU 2 1 BLU BLU RED F12 BLU WHT BRN BLU N 2 3 L TB BRN 230V F11 ELECTRONIC CONTROL P C BOARD NR11 CN211 CN 111 RT11 RT12 10 MV1 CN 151 CN112 1 2 3 4 RT13 MV2 TRANS HIC1 C11 121 CN 1 2 3 SR141 3 6 5 4 3 2 1 MF RED WHT BRN YLW GRY BLK GRN YLW POWER SUPPLY CORD N 230V 50Hz SYMBOL C11 F11 F12 HIC1 MF SYMBOL MV1 MV2 NR11 RT11 RT12 SYMBOL RT13 SR141 TB 52C NAME INDOOR FAN CAPACITOR FUSE 3 15A...

Page 18: ...OMPRESSOR OUTDOOR FAN MOTOR INNER PROTECTOR VARISTOR DEFROST THERMISTOR DISCHARGE TEMPERATURE THERMISTOR FIN TEMPERATURE THERMISTOR CURRENT DETECTING RESISTOR CURRENT LIMITING RESISTOR NAME SOLID STATE RELAY TERMINAL BLOCK POWER TRANSISTOR MODULE TRANSFORMER OUTDOOR FAN RELAY CURRENT LIMITING RELAY R V COIL BLU RED WHT U NOISE FILTER P C BOARD L62 CY62 LDE2 DSA61 CY63 CY64 CN722 3 2 1 CN724 6 2 1 ...

Page 19: ...MPRESSOR OUTDOOR FAN MOTOR INNER PROTECTOR VARISTOR DEFROST THERMISTOR DISCHARGE TEMPERATURE THERMISTOR FIN TEMPERATURE THERMISTOR CURRENT DETECTING RESISTOR CURRENT LIMITING RESISTOR NAME SOLID STATE RELAY TERMINAL BLOCK POWER TRANSISTOR MODULE TRANSFORMER OUTDOOR FAN RELAY CURRENT LIMITING RELAY R V COIL BLU RED WHT U NOISE FILTER P C BOARD L62 CY62 LDE2 DSA61 CY63 CY64 CN722 3 2 1 CN724 6 2 1 P...

Page 20: ...OWER SUPPLY N 230V 50Hz CIRCUIT GRN YLW BREAKER BLK TB2 YLW F911 1A PE BLK WHT RED RED WHT BLK MC U W V TAB62 R62 CN61 21S4 CN911 CN912 MF61 6 CN663 CN664 SSR61 C65 TAB65 TAB61 U V W CT62 T801 FUSE 1A IPM R61 GRN YLW PE TO INDOOR UNIT GROUND BLK BLU NOISE FILTER P C BOARD 3 2 1 7 6 5 4 3 2 1 7 6 5 4 1 2 3 3 2 1 4 1 2 3 1 2 3 4 5 6 RT62 3 4 CN771 LEV RT67 RT61 5 6 1 2 1 2 ELECTRONIC CONTROL P C BOA...

Page 21: ...ain Expansion valve R V coil heating ON cooling OFF Strainer MUZ G12SV MUZ G12SV E2 E1 MSZ G12SV MSZ G12SV E2 E1 Indoor heat exchanger Outdoor heat exchanger Flared connection Room temperature thermistor RT11 Indoor coil thermistor RT13 sub Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve with strainar Stop valve with service port Capillary tube 3 0 2 0 20...

Page 22: ...ermistor RT13 sub Room temperature thermistor RT11 Flared connection Flared connection Refrigerant pipe 15 88 Option with heat insulator Refrigerant pipe 9 52 Option with heat insulator Capillary tube 3 0 2 0 200 MSZ G20SV E1 INDOOR UNIT OUTDOOR UNIT Unit mm MUZ G20SV E1 MAX REFRIGERANT PIPING LENGTH Refrigerant piping Max length m A 12 15 Indoor unit Gas 0 43 Liquid 0 5 Gas 9 52 12 7 15 88 Liquid...

Page 23: ...g length m 5 8m 90 90 9m 120 120 10m 150 150 12m 210 210 13m 240 15m 300 MSZ G09SV E1 MUZ G09SV E1 MSZ G09SV E2 MUZ G09SV E2 MSZ G12SV E1 MUZ G12SV E1 MSZ G12SV E2 MUZ G12SV E2 Calculation Xg 25g mo Refrigerant piping length m 7 Refrigerant Piping Max length A w Height difference should be within 8m MSZ G09SV 10m MSZ G12 G20SV regardless of which unit indoor or outdoor position is high w Max Heigh...

Page 24: ...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 the air filter is cleaned 4 Open windows and d...

Page 25: ...ational frequency of compressor MUZ G12SV MUZ G12SV E1 E2 MUZ G12SV MUZ G12SV E1 E2 Correction of Cooling total input Input correction factors The operational frequency of compressor 50 100 150 Hz 0 0 5 1 0 1 5 The operational frequency of compressor 50 100 150 Hz 0 0 5 1 0 1 5 Correction of Cooling total input MUZ G20SV E1 MUZ G20SV E1 Correction of Heating total input The operational frequency o...

Page 26: ...e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e ...

Page 27: ...re 1 6 12 14 5 C Outdoor unit current A Outdoor unit current A Ambient temperature C Ambient temperature C MUZ G09SV MUZ G09SV E1 E2 MUZ G12SV MUZ G12SV E1 E2 2 5 10 15 20 25 4 0 4 5 5 0 5 5 6 0 6 5 7 0 Outdoor unit current A Ambient temperature C MUZ G20SV E1 6 0 5 5 5 0 4 5 4 0 3 5 3 0 2 5 10 15 20 25 58Hz 6 0 5 5 5 0 4 5 4 0 3 5 3 0 2 5 10 15 20 25 58Hz 80Hz ...

Page 28: ...5 1 27 0 38 902 3 28 1 24 0 38 931 3 17 1 21 0 38 978 27 26 3 59 0 93 0 26 902 3 48 0 91 0 26 949 3 43 0 89 0 26 978 3 33 0 87 0 26 1006 28 18 3 06 2 38 0 78 752 2 93 2 28 0 78 790 2 81 2 19 0 78 827 2 70 2 11 0 78 865 28 20 3 19 2 10 0 66 790 3 06 2 02 0 66 837 2 96 1 96 0 66 855 2 86 1 89 0 66 893 28 22 3 32 1 79 0 54 818 3 20 1 73 0 54 870 3 12 1 68 0 54 893 2 99 1 61 0 54 931 28 24 3 48 1 46 0...

Page 29: ...0 38 1081 2 73 1 04 0 38 1105 2 65 1 01 0 38 1128 27 26 3 15 0 82 0 26 1072 2 96 0 77 0 26 1119 2 87 0 75 0 26 1142 2 78 0 72 0 26 1166 28 18 2 55 1 99 0 78 921 2 34 1 83 0 78 978 2 25 1 75 0 78 996 2 16 1 68 0 78 1015 28 20 2 68 1 77 0 66 959 2 50 1 65 0 66 1006 2 41 1 59 0 66 1034 2 31 1 53 0 66 1062 28 22 2 83 1 53 0 54 996 2 65 1 43 0 54 1053 2 56 1 38 0 54 1072 2 47 1 33 0 54 1090 28 24 2 99 ...

Page 30: ...1 67 0 37 1238 4 41 1 63 0 37 1277 4 27 1 58 0 37 1342 27 26 4 83 1 21 0 25 1238 4 69 1 17 0 25 1303 4 62 1 16 0 25 1342 4 48 1 12 0 25 1380 28 18 4 11 3 17 0 77 1032 3 94 3 03 0 77 1084 3 78 2 91 0 77 1135 3 64 2 80 0 77 1187 28 20 4 29 2 79 0 65 1084 4 11 2 67 0 65 1148 3 99 2 59 0 65 1174 3 85 2 50 0 65 1226 28 22 4 46 2 37 0 53 1122 4 31 2 28 0 53 1193 4 20 2 23 0 53 1226 4 03 2 13 0 53 1277 2...

Page 31: ...48 27 26 4 24 1 06 0 25 1471 3 99 1 00 0 25 1535 3 87 0 97 0 25 1567 3 75 0 94 0 25 1600 28 18 3 43 2 64 0 77 1264 3 15 2 43 0 77 1342 3 03 2 33 0 77 1367 2 91 2 24 0 77 1393 28 20 3 61 2 34 0 65 1316 3 36 2 18 0 65 1380 3 24 2 10 0 65 1419 3 12 2 02 0 65 1458 28 22 3 82 2 02 0 53 1367 3 57 1 89 0 53 1445 3 45 1 83 0 53 1471 3 33 1 76 0 53 1496 28 24 4 03 1 65 0 41 1419 3 78 1 55 0 41 1484 3 68 1 ...

Page 32: ...10 3 41 0 48 2111 6 84 3 28 0 48 2227 6 68 3 21 0 48 2297 6 47 3 10 0 48 2413 27 26 7 31 2 63 0 36 2227 7 10 2 56 0 36 2343 7 00 2 52 0 36 2413 6 78 2 44 0 36 2482 28 18 6 23 5 48 0 88 1856 5 96 5 25 0 88 1949 5 72 5 04 0 88 2042 5 51 4 85 0 88 2134 28 20 6 49 4 93 0 76 1949 6 23 4 73 0 76 2065 6 04 4 59 0 76 2111 5 83 4 43 0 76 2204 28 22 6 76 4 32 0 64 2018 6 52 4 17 0 64 2146 6 36 4 07 0 64 220...

Page 33: ...04 3 02 0 60 2691 27 24 6 10 2 93 0 48 2552 5 72 2 75 0 48 2668 5 57 2 67 0 48 2726 5 41 2 59 0 48 2784 27 26 6 41 2 31 0 36 2645 6 04 2 18 0 36 2761 5 86 2 11 0 36 2819 5 67 2 04 0 36 2877 28 18 5 19 4 57 0 88 2274 4 77 4 20 0 88 2413 4 58 4 03 0 88 2459 4 40 3 87 0 88 2506 28 20 5 46 4 15 0 76 2366 5 09 3 87 0 76 2482 4 90 3 73 0 76 2552 4 72 3 58 0 76 2622 28 22 5 78 3 70 0 64 2459 5 41 3 46 0 ...

Page 34: ...5 0 5 10 15 20 DB Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 2 27 741 2 74 889 3 20 1003 3 67 1083 4 14 1151 4 57 1186 5 04 1208 21 2 16 798 2 59 946 3 06 1049 3 49 1129 3 96 1186 4 39 1220 4 84 1265 26 1 94 855 2 41 1003 2 84 1106 3 31 1186 3 78 1243 4 21 1277 4 68 1311 MSZ G09SV MUZ G09SV MSZ G09SV MUZ G09SV Rated frequency 95Hz E2 E2 E1 E1 CAPACITY 4 8 KW INPUT 1540 W OUTDOOR WB...

Page 35: ...re is obtained This shows that the room temperature is approaching the target temperature Operation state Indication lighted not lighted The following indication applies regardless of shape of the indicator Operation Indicator 9 1 I FEEL CONTROL OPERATION 1 Press OPERATE STOP ON OFF button on the remote controller OPERATION INDICATOR lamp of the indoor unit will turn on with a beep tone 2 Select I...

Page 36: ...2 Initial room temperature minus 2 1 4 The initial set temperature is decided by the initial room temperature 1 When the system is restarted with the remote controller the system operates with the previous set temperature regard less of the room temperature at restart The set temperature is calculated by the previous set temperature 5 TEMPERATURE buttons In I FEEL CONTROL h mode set temperature is...

Page 37: ...an operates at set speed a Compressor has been continuously operating b Indoor fan speed is Low or Med c Room temperature is below 26 When compressor stops the accumulated time is cancelled When compressor restarts time counting starts from the beginning Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds 26 However when two of the above cond...

Page 38: ...2 if the temperature of RT12 is less than 22 C and 1 if the temperature of room temperature thermistor RT11 is 15 C or less the fan stops 2 if the temperature of room temperature thermistor RT11 is more than 15 C the fan operates at Very Low NOTE If the temperature of RT12 reads from 18 to 22 at the air conditioner starting and also after defrosting this control works Released Cold Air Prevention ...

Page 39: ...e first defrost interval is 32 minutes long and the second 35 minutes long The third and subsequent intervals are set to be longer and less frequent depending on defrosting time The third and subsequent defrost intervals follow any of the three patterns 5 or 10 minutes longer the same or 5 or 10 minutes shorter compared with the previous defrost interval with the longest 115 minutes and the shorte...

Page 40: ... protection defrosting R V coil control are the same as HEAT mode of I FEEL CONTROL High Med Low High Rotational frequency time 9 5 FAN MOTOR CONTROL 1 Rotational frequency feedback control The indoor fan motor is equipped with a rotational frequency sensor and outputs signal to the microprocessor to feed back the rotational frequency Comparing the current rotational frequency with the target rota...

Page 41: ...rned off The vertical vane will return to the position just before the swing operation was started The operation mode AUTO COOL DRY or HEAT is changed The vertical vane will return to the position just before the swing operation was started The SWING button is pressed The vertical vane stops at the position when the button is pressed COOL and DRY HEAT About 100 About 150 Horizontal AIR FLOW blowin...

Page 42: ... C to 24 C 21 C to 22 C 20 C to 21 C 18 C to 20 C 17 C to 18 C 15 C to 17 C 15 C or less 5 8 11 14 17 20 23 Horizontal blow time sec 20 17 14 11 8 2 23 A H G F E D C B 2 Cancel TIMER setting can be cancelled with the ON or OFF TIMER buttons or To cancel the ON timer press the button To cancel the OFF timer press the button TIMER is cancelled and the display of set time disappears 9 7 TIMER OPERATI...

Page 43: ...itch on the front of the indoor unit Emergency operation is available when the remote controller is missing has failed or the batteries of remote controller run down The unit will start and the OPERATION INDICATOR lamp will light The first 30 minutes of operation is the test run operation This operation is for servicing The indoor fan speed runs at High speed and the system is in continuous operat...

Page 44: ...on hours as shown below w However it is under rating frequency when indoor fan speed is set to MANUAL Low or AUTO Low Applied model MSZ G09SV MSZ G09SV E2 E1 Minimum frequency Rating frequency Maximum frequency Minimum frequency Rating frequency Maximum frequency 45 COOL HEAT 79 92 45 95 105 DRY 45 MSZ G12SV MSZ G12SV E2 E1 15 85 105 15 96 125 30 1Hr Time T Maximum frequency Frequency Rating or un...

Page 45: ...after compressor stops Remote controller ON LEV is positioned first full closed at zero pulse and then positioned During 2 to 13 minutes after compressor starts Opening degree is adjusted according to standard opening degree Standard opening degree is set for each rotational frequen cy of compressor More than 13 minutes have passed since compressor start up LEV opening degree is corrected to get t...

Page 46: ...N The operational frequency of the compressor Commanded to open Standard opening degree Opening degree is corrected according to discharge temperature Positioning Air conditioner ON Air conditioner OFF thermostat off LEV opening degree 13 min 3 Control data 06 05 04 03 02 01 LEV opening degree A target discharge temperature B C D E F 30 50 70 The operational frequency of the compressor 90 110 130 ...

Page 47: ... are not detected for 12 seconds it is detected as abnormality of AC fan motor and indoor OPERATION INDICA TOR lamp flashes to show abnormality Controlled voltage is applied to AC fan motor The microprocessor outputs pulse every 100Hz every 50Hz in half wave Fan speed varies according to the time span between a Zero cross point on the commercial wave and a pulse output point The microproces sor dr...

Page 48: ...door unit turns on with a beep tone 2 Select I FEEL CONTROL h mode with the OPERA TION SELECT button 3 The operation mode is determined by the room temper ature at start up of the operation Mode COOL mode of I FEEL CONTROL DRY mode of I FEEL CONTROL HEAT mode of I FEEL CONTROL Initial room temperature 25 or more 23 to 25 less than 23 ON OFF FAN TOO WARM TOO COOL VANE MODE ECONO COOL STOP START HR ...

Page 49: ...ntinuously at the set speed by FAN SPEED CONTROL button regardless of the thermostat s OFF ON In AUTO the fan speed is as follows Initial temperature difference Fan Speed Room temperature minus set temperature 1 7 degrees or more High Room temperature minus set temperature Between 1 and 1 7 degrees Med Room temperature minus set temperature less than 1 degree Low 1 deg 1 7 deg 3deg Difference betw...

Page 50: ...ation of the compressor and indoor outdoor fan Compressor operates by room temperature control and time control 1 Set temperature is controlled to fall 2 C from initial room temperature 2 Indoor fan and outdoor fan operate in the same cycle as the compressor 3 Operational frequency of compressor during operation is fixed to 84Hz NOTE Coil frost prevention during DRY mode of I FEEL CONTROL The oper...

Page 51: ...ore High The upper limit of the fan speed is the set speed If the thermostat turns off this operation changes to flow soft control 4 Flow soft control After the thermostat turns off the indoor fan operates at Very Low NOTE When the thermostat turns on the fan operates at the set speed Due to the cold air prevention control the fan does not start at set speed until the indoor coil thermistor RT12 r...

Page 52: ...NOTE When the indoor coil thermistor reads above 18 C indoor fan operates at Very Low for 30 seconds When the indoor coil thermistor reads 18 C or less the indoor fan stops 3 Defrosting time chart Defrost thermistor RT61 3 or more 3 or less Compressor X62 R V coil Outdoor fan Defrost counter Indoor fan Indoor vane ON OFF ON OFF ON OFF ON OFF ON OFF Horizontal Set Position Max 10 minutes 30 seconds...

Page 53: ...mperature protection control defrosting R V coil control are the same as HEAT mode of I FEEL CONTROL High Med Low High Rotational frequency time 9 18 FAN MOTOR CONTROL 1 Rotational frequency feedback control The indoor fan motor is equipped with a rotational frequency sensor and outputs signal to the microprocessor to feedback the rotational frequency Comparing the current rotational frequency wit...

Page 54: ...angle is fixed to Angle 1 Vane angle is fixed to Angle 4 6 Dew prevention During COOL or DRY operation at vane Angle 4 or 5 when the compressor cumulative operation time exceeds 1 hour the vane angle automatically changes to Angle 1 for dew prevention 7 SWING MODE By selecting SWING mode with the VANE button the horizontal vane swings vertically The remote controller displays 8 Cold air prevention...

Page 55: ...ation next downward blow time is decided Then when the downward blow has been finished next horizontal blow time is decided For initial 10 minutes the swing operation is performed in table G H for quick cooling Also after 10 minutes when the difference of set temperature and room temperature is more than 2 the swing opera tion is performed in table D H for more cooling The air conditioner repeats ...

Page 56: ...ation and HEAT operation w Indoor fan speed becomes faster than setting fan speed on the remote controller even when or is selected COOL and DRY HEAT About 100 About 150 Horizontal AIR FLOW blowing range 3 Press ON OFF TIMER button to select the operation ON TIMER button AUTO START operation ON timer OFF TIMER button AUTO STOP operation OFF timer 4 Press HR and MIN button TIME set button to set th...

Page 57: ... or the batteries of remote controller run down The unit will start and the OPERATION INDICATOR lamp will light The first 30 minutes of operation is the test run operation This operation is for servicing The indoor fan speed runs at High speed and the system is in continuous operation The thermostat is ON After 30 minutes of test run operation the system shifts to EMERGENCY COOL HEAT MODE with a s...

Page 58: ...frequency and voltage decided by microcomputer based on various kinds of information R61 and R62 Current detecting resistor are installed for overload protection of the compressor and for protection of IPM CT61 Current transformer measures the current of main power supply circuit 2 Power factor improvement of power supply Unlike inverter less alternating current circuit the power factor of this in...

Page 59: ... COMMON MODE CHOKE COIL COMMON MODE CHOKE COIL CURRENT DETECTING RESISTOR CURRENT LIMITING RESISTOR RELAY 1Hr Time T Maximum frequency Frequency Rating or under rating frequency w The maximum frequency in COOL mode varies according to operation hours as shown below w However it is under rating frequency when indoor fan speed is set to MANUAL Low or AUTO Low Minimum frequency Maximum frequency Mini...

Page 60: ... value A 2 2 A 2 A 2 Previous voltage correction value minus 1 Same as previous voltage correction value Previous voltage correction value plus 1 3 Frequency control by estimated discharge temperature for protecting the discharge temperature in case the estimated discharge temperature is 100 or higher By calculating the difference between the current discharge temperature and the discharge tempera...

Page 61: ...tat OFF in COOL or DRY mode Thermostat OFF in HEAT mode Stop Indoor unit status Thermostat ON in COOL or DRY mode Opening before stop 500 pulse in 15 minutes Maintain LEV opening before stop 500 pulse in 15 minutes Maintain LEV opening before stop 500 pulse in 15 minutes w1 LEV opening when the outdoor unit operating Upper limit 500 pulse Lower limit 59 pulse 9 25 LEV control Standard opening 1 2 ...

Page 62: ...d to be higher than 111 and less than 116 the control decreases 6Hz from the current frequency When temperature of the discharge temperature thermistor is expected to be higher than 104 and less than 111 the control is set at the current frequency 9 27 Discharge temperature protection control Note When the indoor coil thermistor is 57 or more on HEAT operation fan speed is fixed to Low Or the indo...

Page 63: ...P C board The time will be shortened as follows Refer to page 90 or 91 Set time 1 minute 1 second Set time 3 minute 3 second It takes 3 minutes for the compressor to start operation However the starting time is shortened by short circuit of JPG and JPS 10 1 CHANGE IN DEFROST SETTING MSZ G09 12SV MSZ G09 12SV JS When the JS wire of the outdoor electronic control P C board is cut the defrost tempera...

Page 64: ...fter the power has restored 2 How to modify the remote controller P C board MSZ G09 12SV MSZ G20SV Remove batteries before modification The board has a print as shown below E1 E2 The P C board has the print J1 and J2 Solder J1 and J2 according to the number of indoor unit as shown in Table 2 After modification press the RESET button NOTE For remodelling take out the bat teries and press the OPERAT...

Page 65: ...nds have passed after the indoor unit was operated with the remote controller If main power is turned OFF or a power failure occurs while AUTO START STOP timer is active the timer setting is can celled If the unit has been off with the remote controller before power failure the auto restart function does not works as the power button of the remote controller is off To prevent breaker off due to th...

Page 66: ...tal 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 When connecting or disconnecting the connectors hold the housing of...

Page 67: ...of indoor electronic control P C board on page 79 1 time flash Cause Indoor Outdoor unit Trouble of serial signal 2 time flash Cause Indoor unit Trouble of room temper ature indoor coil thermistor 3 time flash Cause Indoor unit Trouble of indoor fan motor 5 time flash Cause Outdoor unit Outdoor power system abnormality 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit 7 time fl...

Page 68: ...door unit Outdoor power system abnormality 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit 7 time flash Cause Outdoor unit Trouble of outdoor control system Refer to V How to check of mis wiring When outdoor unit doesn t work on page 86 Check room temperature thermistor and indoor coil thermis tor Refer to Test point diagram and voltage on page 91 Refer to R Check of indoor f...

Page 69: ...rate Outdoor unit does not operate Outdoor unit does not operate Outdoor unit does not operate 1 time flash 2 5 second OFF When indoor electronic control P C board does not receive serial signals for 4 to 5 seconds with OPERATION STOP ON OFF button of remote controller ON and 52C contactor ON for the first time NOTE In case of serial signal error mis wiring indication will appear by turning power ...

Page 70: ...8 Replace the outdoor electronic control P C board Refer to V How to check mis wiring on page 86 3 Indoor fan motor 7 Low discharge temperature protection When discharge temperature has been 50 or less on cool operation or is 49 or less on heat operation for 20 minutes Abnormal point Outdoor unit does not operate Room tempera ture thermistor 2 time flash 2 5 second OFF Detect Indoor coil room temp...

Page 71: ...sor continues running When discharge temperature has been 50 or below for 20 minutes No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Symptom LED indication Detection method Checkpoint Outdoor unit does not operate Outdoor unit stops and restarts 3 minutes later is repeated Outdoor unit operates at low frequency Outdoor unit operates 1 time flash every 2 5 seconds NOTE For abnormality location refer to Indoor ...

Page 72: ...tor during compressor running Check the characteristic of the fin temper ature thermistor Refer to Z on page 89 Check the connector CN664 Lighting 4 times Over current protection When over current is applied to the power module Check the inverter compressor Refer to Y on page 88 Check the amount of gas Check the indoor outdoor air flow for short cycle Check the indoor unit air filter for clogging ...

Page 73: ...n cooling When indoor pipe temperature falls to 6 or below during cooling 3 time Lighting Discharge temperature protection When the discharge temperature exceeds 111 4 time Lighting Low discharge tempera ture protection When the state with low discharge temperature of which 50 4 or below in cool and 48 8 or below in heat for 20 minutes 7 time Lighting Defrost thermistor When a short or open circui...

Page 74: ...the voltage power ON When fan revolved one time 0V 5V 0V Approx Measure the resistance between the terminals with a tester Part temperature 10 C 40 C WHT BLK BLK RED Abnormal Open or short circuit Normal Normal BRN other one Abnormal Open or short circuit Measure the resistance between the terminals with a tester Part temperature 10 C 30 C Measure the resistance between the terminals with a tester...

Page 75: ... Remain 0V or 5V Normal 4 5 5 5V Measure the voltage power ON When fan revolved one time 0V 5V 0V Approx Measure the resistance between the terminals with a tester Part temperature 10 C 40 C WHT BLK BLK YLW BLK RED Abnormal Open or short circuit Normal 208 4 254 8 42 4 51 9 197 7 241 7 Normal Approx 300 in each phase Abnormal Open or short circuit Measure the resistance between the RED terminals a...

Page 76: ...s BLK WHT BLK RED WHT RED Judgment Balanced Normal Unbalanced Abnomal open phase Shutdown by overcurrent Abnormal short NOTE 1 Measure AC voltage at 3 points more than one minute after the outdoor fan motor starts running 2 The output voltage values in above table have tolerance withinJ i20 Disconnect the connector between compressor and transistor module and measure resistance between terminals o...

Page 77: ... mode Measurement Measure the time from the start of outdoor fan running till the stop of the inverter due to over current Judgment For reference 0 10 seconds Abnormal short 10 60 seconds Abnormal compressor lock out 60 seconds 5 minutes Abnormal refrigerant circuit defect more than 5 minutes Normal w Measure resistance between the lead wires at 3 points Outdoor fan starts Abnormal Compressor wind...

Page 78: ...nd 3 and then 2 and 3 No not clear No Yes 0 or Is LED display on remote controller visible Does the unit operate with remote controller Is noise heard from the radio Are there any fluorescent lights of inverter or radio start type within 1 meter Is resistance 0 short circuit or open circuit Replace batteries and then press RESET button Refer to page 66 Replace the indoor electronic control P C boa...

Page 79: ...2 Fin temperature thermistor RT64 Does the resistance of the thermistor have the characteristics on page 92 No Yes Does the unit operate 10 minutes or more Is LED in the outdoor electronic control P C board flashing 5 minutes Reconnect the connector Yes No Check both parts side and pattern side of indoor electronic control P C board visually Replace the fuse Is fuse F11 blown Be sure to check both...

Page 80: ...e 230V AC between CN 721 1 and 2 on the relay P C board Three minutes after power ON is there voltage 230V AC between outdoor terminal block 2 and Is there voltage approx 230V AC either between 1 and 3 or between 3 and 5 at CN 771 Indoor outdoor connecting wire Outdoor terminal block N 2 3 Disconnect the connector CN 771 on the relay P C board Disconnect the connector between compressor and transi...

Page 81: ...r is open the rush current limiting relay may not be working properly Therefore confirm the limiting resistor works properly after replacing it Three minutes after power ON is there voltage of approx 230V AC between outdoor terminal block 2and N Is there voltage approx 340V DC between TAB 64 and TAB 63 Dose LED light up or flash Is resistance between the connector CN 201 1 on indoor electronic con...

Page 82: ...ectronic control P C board LEV operates in full opening direction Is LEV coil properly fixed to the body Ok Do you hear LEV click click Do you touch LEV and feel it vibrate Do you hear LEV click click No Yes Yes Yes Yes No No No Properly fix LEV coil to the body Ok Confirm again that LEV is operating Does the resistance have the characteristics 1Press the EMERGENCY OPERATION switch 2Turn OFF the p...

Page 83: ...the wiring is correct before the operation starts w3 Replace the indoor electronic control P C board w3 Be sure to release the failure mode recall function after checking Mis wiring indication No No Yes Repair wiring w3 Rectify indoor outdoor connecting wire w3 Reactor Diode stack Power factor capacitor Smoothing capacitor Fuse Yes A B Turn OFF the power supply and confirm that indoor outdoor conn...

Page 84: ...sible Remove batteries then set them back and press the RESET button Check if the unit operates with the remote controller Yes Does the unit operate with the remote controller Yes OK No not clear Yes No No No 5V or 0V DC No Repair the indoor fan motor Disconnect lead wires from connector CN211 on the indoor electronic control P C board Measure resistance between lead wires No 1 and No 4 and then N...

Page 85: ...n ON the power supply No No Does the unit operate with the remote controller Does the OPERATION INDICATOR lamp light up by pressing the EMERGENCY OPERATION switch Yes No Be sure to check both resistance Turn OFF the power supply Turn OFF the power supply Turn ON power supply No Yes Yes No No Yes Start Check the connecting of main circuit parts Is there voltage 230V AC between the power supply term...

Page 86: ...Y OPERATION switch Is this mis wiring poor contact or wire disconnection Make them sure Replace the indoor electronic control P C board Yes Yes After three minutes mis wiring is indicated 0 5 second ON 0 5 second OFF on OPERATION INDICATOR lamp on indoor unit w w Short circuit of JPG and JPS on the indoor electronic control P C board enables self check to be displayed in 3 seconds 1 Turn OFF the p...

Page 87: ...ontrol P C board When cooling operation doesn t work Check of R V coil No Yes No Yes No Yes Start 1 Disconnect the lead wire from the compressor 2 Turn ON power supply opearate the unit in HEAT mode by pressing EMERGENCY OPERATION switch After three minutes is the voltage 230V AC between No 1 and No 2 at connector CN912 on noise filter P C board 1 Turn OFF power supply 2 Disconnect the connector C...

Page 88: ...nals Is the resistance 0 53 0 66 between the each terminal Replace the outdoor electronic control P C board Connect the lead wire to compressor and turn ON power supply Press the EMERGENCY OPERATION switch Replace the compressor W1 After the outdoor fan starts running wait for 1 minutes or more before measuring the voltage The output voltage values have the tolerance of i20 Y Check of LEV No Yes N...

Page 89: ...V After three minutes is the voltage 12V DC between No 3 and No 6 at the connector CN851 Reconnect the connector CN851 on outdoor electronic control P C board and the connector CN901 on noise filter board Check of outdoor thermistor Yes Yes No No Reconnect the connector CN663 and CN664 and disconnect the lead wire from the compressor Turn on power supply Press the EMERGENCY OPERATION switch Thermi...

Page 90: ...r RT11 Indoor coil thermistor RT12 Timer short mode point JPG JPS Refer to page 63 Indoor coil thermistor RT12 main RT13 sub Room temperature thermistor RT11 Emergency operation switch Power supply input 230V AC Fan motor power supply How to set Auto restart function Cut the Resistor JR07 Refer to page 65 5V DC 12V DC Indoor coil thermistor RT13 4V DC Power monitor receiver P C board ...

Page 91: ...il thermistor RT12 main Timer short mode point JPS JPG Refer to page 63 Emergency operation switch 12V DC Indoor coil thermistor RT12 main RT13 sub Room temperature thermistor RT11 Room temperature thermistor RT11 How to set Auto restart function Cut the Resistor JR07 Refer to page 65 Indoor coil thermistor RT13 sub PS132 Receiver P C board ...

Page 92: ... 100 200 300 400 500 600 700 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 120 140 160 180 200 Temperature Fin temperature thermistor RT64 Resistance k Resistance k Resistance k Fin temperature thermistor RT64 Jumper wire for change in defrost setting JS Refer to page 63 Connector for indoor out door commu nication CN601 LEV connector CN724 325V DC LED monitor lamp Defrost thermistor RT61 Discharge ...

Page 93: ... 12V DC pulse wave LED monitor indi cation LED 1 LED monitor indi cation LED 2 Serial signal 5 10V DC FUSE AC 250V 1A Temperature Fin temperature thermistor RT67 Resistance k Defrost thermistor RT62 20 10 0 10 20 30 40 0 10 20 30 40 50 60 70 80 90 100 Temperature Resistance k 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 120 140 160 180 200 Temperature Discharge temperature thermistor RT61 Resistanc...

Page 94: ...SV Noise filter P C board E2 E1 MUZ G12SV MUZ G12SV Noise filter P C board E2 E1 Current limit ing relay X64 Surge absorber DSA61 Current limit ing relay X64 230V AC Surge absorber DSA61 Varistor NR61 230V AC Varistor NR61 ...

Page 95: ... MUZ G20SV Noise filter P C board E1 230V AC 50Hz Input Outdoor Fan Fan speed Low 230V AC Outdoor Fan Fan speed High 230V AC 230V AC 50Hz Output R V coil 230V AC FUSE F911 AC250V 1A FUSE F912 AC250V 3 15A ...

Page 96: ...96 MUZ G09SV MUZ G12SV MUZ G09SV MUZ G12SV Relay P C board E2 E2 E1 E1 R V coil 21S4 230V AC Outdoor fan motor MF61 230V AC ...

Page 97: ...e front panel 1 Remove the screw caps of the front panel Remove the screws 2 Pull the panel down to your side slightly and unhook the catches at the top Photo 1 Photo 2 V A clamp Screw of the V A clamp Room temperature thermistor connector Cord clamp Indoor electronic control P C board Screw of the ground wire Vane motor connector Fan motor connector Screws Front panel R L holder 2 Removing the el...

Page 98: ... 4 Disconnect the motor connector CN211 and CN121 and the vane motor connector CN151 on the electronic control P C board 5 Remove the screw of ground wire 6 Remove the fan motor lead wire and indoor coil thermistor from the electrical box 7 Remove the lead wire of vane motor from the bottom of electrical box 8 Remove the screw fixing the electrical box remove the electrical box 5 Removing the line...

Page 99: ... cover Screw of the termi nal block Receiver P C board 2 Removing the electronic control P C board the receiver P C board and the display P C board 1 Remove the front panel Refer to 1 2 Remove the screw of the electrical cover Remove the electrical cover 3 Remove the screw of the V A clamp Remove the V A clamp 4 Remove the screw of the terminal block 5 Remove the screw of the ground wire 6 Disconn...

Page 100: ... out the drain hose from the nozzle assembly remove the nozzle assembly 6 Remove the screws of the vane motor disconnect the con nector 7 Remove the vane motor Screws fixing the fan motor 5 Removing the line flow fan and the indoor fan motor 1 Remove the front panel Refer to 1 2 Remove the electrical box Refer to 3 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Rem...

Page 101: ...3 Removing the noise filter P C board 1 Remove the service panel top panel and the cabinet Refer to 1 2 Remove all the connectors and the terminals on the noise fil ter P C board 3 Remove the screw of ground wire on the relay panel 4 Remove the hook of T B support Then remove the noise filter P C board 4 Removing the relay P C board 1 Remove the service panel top panel and the cabinet Refer to 1 2...

Page 102: ...ng the compressor 9 Remove the compressor NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm2 0MPa Use the burner under the condition that gas can be recovered even when the inner pressure rises by heat 6 Removing the outdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller fan nut 3 Remove the propeller fan 4 Remove lead clamps and fan mot...

Page 103: ...V CN771 on the electronic control P C board 4 Remove the compressor connector Photo 3 5 Remove the screws fixing the relay panel and remove the inverter assembly Photo 3 3 Removing the electronic control P C board 1 Remove the top panel front panel and service panel Refer to 1 2 Remove all the connectors and the lead wire on the elec tronic control P C board 3 Remove the compressor connector 4 Rem...

Page 104: ...ervice panel Refer to 1 2 Remove the inside and outside connection electric wire and the back panel 3 Remove all the connectors the lead wire and the ground wire on the electronic control P C board 4 Remove the compressor connector Photo 3 5 Remove the screws fixing the heat sink and pull up the electronic control P C board Photo 4 6 Remove the screws fixing the transistor module 7 Remove the scre...

Page 105: ...om the refrigerant circuit 5 Detach the brazed joints of the suction and the discharge pipe connected with compressor 6 Remove the compressor nuts and remove the compressor 7 Detach the welded parts of 4 way valve and pipe Photo 8 NOTE Before using a burner reclaim gas from the pipes until the pres sure gauge shows 0 kg cm2 0MPa Use the burner under the condition that gas can be recovered even whe...

Page 106: ...LATION PLATE Symbol in Wiring Diagram Including No 4 5 6 2PCS SET 3PCS SET See page 114 MAC 1800DF See page 114 MAC 1300FT Remarks Part No No Part Name 1 1 1 2 3 1 2 1 1 1 1 1 1 1 2 3 1 2 1 1 1 1 1 1 1 2 3 1 2 1 1 1 1 1 1 1 2 3 1 2 1 1 1 1 WH 1 2 3 4 5 6 7 8 9 10 11 MSZ G09SV WH WH 13 2 INDOOR UNIT HEAT EXCHANGER 1 w 5 4 7 w 6 2 11 12 w 10 13 14 3 CATCH SCREW CAP E02 518 620 E02 448 620 E02 151 66...

Page 107: ... MV1 RT11 MF TB RT12 RT13 F12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 MSZ G09SV WH WH WH WH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AUTO RESTART Including receiver P C board AUTO RESTART Including receiver P C board AUTO RESTART Including receiver P C board AUTO RESTAR...

Page 108: ...tube to the proper length as shownin the REFRIGERANT SYSTEM DIAGRAM See page 21 T2W E71 297 T2W E93 297 T2W E45 232 T2W E56 521 M21 47L 501 M21 21J 501 M21 54A 290 T92 518 272 T92 501 280 M21 00A 661 M21 00L 661 M21 21J 662 M21 40L 245 T2W E66 531 T2W E85 531 T2W E56 531 T2W E86 531 T2W E66 645 M21 56T 645 M21 21J 961 T2W G04 961 M21 HK6 293 M21 45G 293 M21 83A 523 M21 20A 523 T2W E66 301 T2W E68 ...

Page 109: ...P C BOARD ELECTRONIC CONTROL P C BOARD DIODE STACK FUSE FUSE T2W E66 357 T2W E68 357 T2W E66 337 M21 21A 337 T2W E66 441 T2W E66 424 T2W E68 424 T2W E66 389 M21 21L 307 M21 43A 307 M21 61A 307 T2W E66 356 T2W E68 356 T2W E45 376 M21 00J 361 M21 PG2 361 T2W E66 451 T2W E68 451 T2W E45 447 T2W A79 382 T2W E66 382 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Symbol in Wiring Diagram Q ty unit 1500 420V 2500 420V...

Page 110: ...MSZ G20SV E1 1 1 1 4 3 1 2 1 1 INSTALLATION PLATE BOX WH FRONT PANEL ASSEMBLY WH CATCH SCREW CAP WH GRILLE WH AIR FILTER CORNER BOX RIGHT WH LAMP PANEL 13 8 INDOOR UNIT HEAT EXCHANGER 2 4 5 7 6 1 10 8 11 12 3 CATCH SCREW CAP E02 527 620 E02 527 666 E02 527 667 INDOOR HEAT EXCHANGER UNION GAS UNION LIQUID 15 88 9 52 10 11 12 1 1 1 13 8 INDOOR UNIT HEAT EXCHANGER 13 7 INDOOR UNIT STRUCTURAL PARTS Op...

Page 111: ...ING DRAIN HOSE NOZZLE ASSEMBLY WH VANE UPPER WH VANE LOWER WH FUSE VARISOR VANE CRANK SET INDOOR FAN MOTOR ASSEMBLY VANE MOTOR VERTICAL VANE MOTOR HORIZONTAL DISPLAY P C BOARD RECEIVER P C BOARD ELECTRONIC CONTROL P C BOARD ROOM TEMPERATURE THERMISTOR MOTOR BAND TERMINAL BLOCK INDOOR COIL THERMISTOR VANE MOTOR SUPPORT SET RIGHT VANE MOTOR SUPPORT SET LEFT Part numbers that are circled are not show...

Page 112: ...LVE ASSEMBLY EXPANSION VALVE COIL STRAINER CAPILLARY TUBE 3 0x 2 0x400 CAPILLARY TUBE 4 0x 2 4x2 000 MC MF61 LEV 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit Remarks SHV 130FEA 9 52 15 88 RA6V35 EXPANSION VALVE STRAINER CAPILLARY TUBE 3 0x 2 0x200 3 0x 2 0x200 4 0x 2 4x300 T2W E87 232 T2W E87 521 M21 68N 290 T92 501 280 T2W E87 646 M21 0...

Page 113: ...APACITOR RT67 DS61 DS62 L F911 FUSE F912 FUSE RT61 RT62 21S4 TB1 TB2 C61 C62 1 2 1 1 1 2 1 1 1 1 1 1 1 1 1 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit Remarks T2W E87 308 T2W E45 447 M21 68K 337 T2W E87 471 T2W E87 424 T2W E66 382 T2W E99 313 T2W E99 382 T2W E99 307 T2W E87 389 T2W E64 376 T2W E99 375 T2W E99 451 T2W E45 357 T2W E75 356 MUZ G20SV E1 DISCHARGE DEFROST FUSEAND VARISTOR...

Page 114: ...r DEODORIZING FILTER and AIR CLEANING FILTER can be attached on either side MAC 1800DF Model Part No MSZ G09SV MSZ G12SV MSZ G09SV MSZ G12SV E1 E2 E1 E2 Air cleaning filter White bellows type 13 13 AIR CLEANING FILTER AIR CLEANING FILTER removes fine dust of 0 01 micron from air by means of static electricity Normal life of AIR CLEANING FILTER is 4 months However when it becomes dirty replace it a...

Page 115: ...le and then wash and rinse it Dry the filter in the shade thoroughly When the filter color is still dark even after cleaning replace the filter with a new one Replace the filter at least once a year DEODORIZING FILTER and AIR CLEANING FILTER can be attached on either side Model Part No MSZ G20SV E1 MAC 2200DF Air cleanig filter White bellow type 14 1 AIR CLEANING FILTER AIR CLEANING FILTER removes...

Page 116: ...right 2000 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Oct 2002 No OB245 REVISED EDITION B 18 Distributed in Mar 2001 No OB245 REVISED EDITION A 249 Distributed in Mar 2000 No OB245 249 Made in Japan New publication effective Oct 2002 Specifications subject to change without notice ...

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