Mitsubishi Electric Mr.Slim MU-A18ND-S1 Скачать руководство пользователя страница 4

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OUTLINES AND DIMENSIONS

Unit: mm

100mm or more

350mm or more

100mm or more

REQUIRED SPACE

500mm or more

100

157

161

Liquid refrigerant

pipe joint

Refrigerant pipe

(Flared)

[

6.35

Service panel

183

500

850

350

248

605

292

310

290

345

Air in

Air out

Drainage
3holes

[

Air in

Drainage
hole

[

16.2

355

Gas refrigerant
pipe joint
Refrigerant pipe
(flared)

[

12.7

MU-A18ND -

OUTDOOR UNIT

100

157

161

Liquid refrigerant

pipe joint

Refrigerant pipe

(Flared)

[

6.35

Service panel

183

500

850

350

248

605

292

310

290

345

Air in

Air out

Drainage
3holes

[

Air in

Drainage
hole

[

16.2

355

Gas refrigerant
pipe joint
Refrigerant pipe
(flared)

[

12.7

100mm or more

350mm or more

100mm or more

REQUIRED SPACE

500mm or more

MU-A18ND -

OB405E.qxp 09.10.14 9:16 AM Page 4

Содержание Mr.Slim MU-A18ND-S1

Страница 1: ... CONDITIONERS TM MU A18ND MU A18ND MU A18ND MU A24ND MU A24ND MU A30ND MU A30ND S2 S1 S2 S1 S2 S1 Indoor unit service manual MS A ND Series OB404 No OB405 REVISED EDITION E SERVICE MANUAL Models OUTDOOR UNIT NOTE This service manual describes technical data of the outdoor units RoHS compliant products have G mark on the spec name plate For servicing of RoHS compliant products refer to the RoHS Par...

Страница 2: ...ectricity receiving unit Indoor unit Outdoor unit Liquid refrigerant pipe diameter 9 52 6 35 Rated voltage 220V 220 230V Frequency New Model Old Model MU 24TN S1 MU A24ND S1 60Hz MU 24SN C2 w w w w w w w w w w MU A30ND New model S1 MU A18ND MU A18ND Valve cover has been added S2 S1 MU A24ND MU A24ND Compressor contactor has been added S2 S1 MU A30ND MU A30ND Solenoid valve and solenoid valve coil ...

Страница 3: ...oefficient of performance C O P Total Capacity 2 480 15 40 0 55 RH247NRAT 1 200 C R 1 43 C S 2 06 RA6V60 MA WHT BLK 71 2 BLK RED 89 3 850o605o290 44 54 945 1 1 40 520 MS56 ISO 5151 5 10 2 3 8 52 1 800 96 92 7 60 2 83 SSA 385 5 9 2 7 20 12 42 2 650 97 11 39 2 23 ISO 5151 6 6 3 2 15 10 54 2 250 97 93 9 50 2 93 SSA 385 6 6 3 2 17 52 3 700 96 16 49 1 78 ISO 5151 8 1 4 3 14 25 3 010 96 92 13 22 2 69 SS...

Страница 4: ...0 Air in Drainage hole 16 2 355 74 3 0 3 5 Gas refrigerant pipe joint Refrigerant pipe flared 12 7 MU A18ND S1 OUTDOOR UNIT 100 157 161 Liquid refrigerant pipe joint Refrigerant pipe Flared 6 35 Service panel 183 500 850 30 50 20 350 35 248 605 292 20 310 290 345 Air in Air out Drainage 3holes 33 50 90 Air in Drainage hole 16 2 355 81 74 3 0 3 5 Gas refrigerant pipe joint Refrigerant pipe flared 1...

Страница 5: ...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 Service panel Gas refrigerant pipe joint Refrigerant pipe flared 15 88 Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 MU A24ND 9 52 MU A30ND 350mm or more 100mm or more MU A24ND MU A30ND OUTDOOR UNIT ...

Страница 6: ...5A COMPRESSOR INNER PROTECTOR OUTDOOR FAN MOTOR INNER PROTECTOR TERMINAL BLOCK TERMINAL BLOCK MU A24ND S1 L N 2 BRN RED BLK WHT BLU TB2 BLU WHT RED C2 ORN DSAR TB1 GRN YLW BRN F MF 2 1 ORN RED 3 4 N L PE BLU MC WHT BLU S C R C1 BLK SYMBOL C1 C2 DSAR SYMBOL F MC MF SYMBOL TB1 TB2 NAME NAME NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR SURGE ABSORBER FUSE 3 15A COMPRESSOR INNER PROTECTOR OUTDOOR F...

Страница 7: ... CONTACTOR SOLENOID VALVE COIL RELAY SOLENOID VALVE COIL COMPRESSOR CONTACTOR NOTES 1 Use copper conductors only For field wiring 2 Since the indoor and outdoor unit connecting wires have polarity connect them according to the numbers 3 N 2 3 Symbols below indicate Terminal block Connector MU A24ND S2 OUTDOOR UNIT OUTDOOR UNIT SYMBOL C1 C2 DSAR SYMBOL F MC MF SYMBOL TB1 TB2 52C NAME NAME NAME COMP...

Страница 8: ...rant flow in cooling Compressor Refrigerant pipe 15 88 with heat insulator Refrigerant pipe 6 35 with heat insulator Strainer 100 Accumulator MU A18ND OUTDOOR UNIT Unit mm Refrigerant pipe 6 35 with heat insulator Refrigerant pipe 12 7 with heat insulator Compressor Outdoor heat exchanger Flared connection Strainer 100 Stop Valve with service port Stop Valve Capillary tube 3 0 x 1 8 x 400 ...

Страница 9: ...ry tube 4 0 x 2 4 x 100 LEV Expansion valve Solenoid valve 4 2 x 3 0 x 50 MU A30ND OUTDOOR UNIT MAX REFRIGERANT PIPING LENGTH and MAX HEIGHT DIFFERENCE Model Piping size O D mm Refrigerant piping m Max length A Max Height difference B Gas Liquid 30 MU A18ND MU A24ND MU A30ND 15 88 6 35 9 52 15 12 7 Indoor unit Outdoor unit Max length A Max Height difference B ADDITIONAL REFRIGERANT CHARGE R22 g NO...

Страница 10: ...perature Outdoor intake air DB temperature Indoor intake air WB temperature Outdoor intake air DB temperature MS A30ND MU A30ND MS A24ND MU A24ND MS A18ND MU A18ND 9 9 9 1 8 3 7 5 6 7 5 9 12 5 11 4 10 3 9 3 8 3 7 3 18 6 16 8 15 1 13 5 12 0 10 5 Wet and dry bulb thermometers Wet and dry bulb thermometers How to measure the indoor air wet dry bulb temperature difference 1 Attach at least 2 sets of w...

Страница 11: ...OR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Air flow should be set at MAX Dry bulb temperature Relative humidity 20 50 25 60 30 70 3 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 f f Gauge 18 50 60 70 32 35 15 20 25 30 4 0 5 0 6 0 7 0 8 0 MU A18ND MU A18ND Outdoor low pressure Outdoor unit ...

Страница 12: ...the components for bursting and discolouration 4 When troubleshooting refer to 8 2 TROUBLESHOOTING 8 8 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for mis wiring 2 Take care the following during servicing 1 Before servicing the air conditioner be sure to turn off the main unit first with the ...

Страница 13: ...flash Cause Outdoor unit Trouble of outdoor control system Refer to 8 4 C How to check mis wiring When outdoor unit dose not work Check room temperature thermistor and indoor coil thermis tor Refer to Test point diagram and voltage Refer to Check of indoor fan motor Refer to 8 4 E Check of outdoor thermistor Replace the deicer P C board MU A30ND 10 time flash Cause Outdoor unit Trouble of low disc...

Страница 14: ...sure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Part temperature 0 C 40 C Refer to 8 5 Test point diagram and voltage Outdoor deicer P C board the chart of thermistor Refer to 8 5 Test point diagram and voltage Outdoor deicer P C board the chart of thermistor MU A18ND MU A24ND MU A30ND Measure the resistance between the terminals with a tester...

Страница 15: ...the outdoor terminal block Yes Is there 220 230V AC CN730 on the deicer P C board Replace the deicer P C board Replace the deicer P C board No No No Yes Yes Check the deicer P C board Refer to 8 5 Is there 5V DC Yes Is there 220 230V AC CN711 1 3 or 2 3 on the deicer P C board No Make the connection of wiring correct Check the outdoor fan motor Refer to 8 3 Yes Is there 220V AC CN730 on the deicer...

Страница 16: ... the unit for 1 minute or more and stop it by pressing the EMERGENCY OPERATION switch again After 30 seconds does compressor stop Yes No Is there 220 230V AC between 3 N on the outdoor terminal block Replace the indoor electronic control P C board No Make the connection of wiring correct Is there 220 230V AC between 3 N on the indoor terminal block Yes Reconnect the continuity of indoor and outdoo...

Страница 17: ...ndoor electronic control P C board Is there 220 230V AC between L N on the outdoor terminal block No Check the outdoor power supply and connection of wiring Is there 5V DC between J101 J401 Refer to 8 5 Yes No Replace the deicer P C board Yes No Make the wiring between CN730 on the deicer P C board and outdoor terminal block correct Refer to 8 5 Replace the deicer P C board Yes Yes Yes When the un...

Страница 18: ...ansion valve click click Do you feel the expansion valve vibrate on touching it Does the resistance of LEV have the characteristics on 8 3 No Yes Yes Yes No No Properly fix LEV coil to the expansion valve Replace the deicer P C board NOTE After check of LEV do the undermentioned operation 1 Turn OFF the power supply and turn ON again 2 Press the RESET button on the remote controller Replace the LE...

Страница 19: ...he solenoid valve coil Refer to Solenoid valve control Check of solenoid valve coil F Outdoor unit repeats start and stop Solenoid valve control The solenoid valve opens when the ambient temperature thermistor RT63 temperature reaches 49 2 or more after 1 minute has passed since the compressor turned on Then the solenoid valve maintains to open until the ambient tem perature thermistor RT63 temper...

Страница 20: ...0 600 700 800 900 Ambient 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 temperature thermistor RT62 Refer to 8 4 E CN662 3 4 Ambient tempera ture thermistor RT63 Refer to 8 4 E LEV connector CN724 Fan motor connector CN711 Varistor NR61 CN7301 3 220 230 240V AC Refer to 8 4 C R601 10V DC Refer to 8 4 C Refer to 8 4 A o...

Страница 21: ...hout locking mechanism can be detached by pulling it out Check the shape of the terminal before detaching Terminal with locking mechanism Detaching points Connector Sleeve Locking lever OPERATING PROCEDURE PHOTOS 1 Removing the cabinet 1 Remove the screws of the cabinet 2 Hold the bottom of the cabinet on both sides to remove the cabinet 3 Remove the screws of the service panel and remove the serv...

Страница 22: ...he compressor 1 Remove the cabinet Refer to 1 2 Remove the soundproof felt 3 Remove the terminal cover on the compressor 4 Disconnect lead wires from the glass terminal of the com pressor 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 sucti...

Страница 23: ...ews 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 electrical parts 1 Remove the service panel and the cabinet 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal blocks TB1 TB2 Compressor contactor 52C MU A24ND S2 Screw of the service panel Screw of the...

Страница 24: ...tdoor fan motor connector 4 Remove the screws fixing the outdoor fan motor 5 Remove the outdoor fan motor 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 compressor 6 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressur...

Страница 25: ... 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 board Screw of the service panel Screw of the...

Страница 26: ...e 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 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 compressor 6 Recover gas from the refrige...

Страница 27: ... 009 E02 627 936 E02 A49 382 E07 001 241 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 BACK PANEL BACK PANEL CABINET GRILLE PROPELLER MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR BASE BASE STOP VALVE GAS STOP VALVE LIQUID VALVE COVER SERVICE PANEL OUTDOOR FAN MOTOR OUTDOOR HEAT EXCHANGER OUTDOOR HEAT EXCHANGER SURGE ABSORBER TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR COMPR...

Страница 28: ...28 MU A24ND MU A30ND 10 2 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 4 23 15 10 1 11 12 2 6 7 8 9 17 16 17 18 19 20 21 24 25 26 27 3 22 5 13 14 A B PARTS LIST non RoHS compliant ...

Страница 29: ...TOP VALVE GAS STOP VALVE LIQUID STOP VALVE LIQUID ACCUMULATOR VALVE COVER SERVICE PANEL THERMISTOR SURGE ABSORBER TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR DEICER P C BOARD COMPRESSOR CONTACTOR COMPRESSOR CONTACTOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR BACK PANEL OUT HANDLE MOTOR SUPPORT EXPANSION VALVE EXPANSION VALVE COIL FUSE VARISTOR CAPILLARY TUBE TAPER PIPE CAPIL...

Страница 30: ...30 RoHS PARTS LIST RoHS compliant 11 MU A18ND 11 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 1 18 13 14 12 17 4 5 6 10 9 8 2 3 7 19 16 20 15 11 ...

Страница 31: ...6 17 18 19 20 21 22 23 BACK PANEL BACK PANEL CABINET GRILLE PROPELLER MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR BASE BASE STOP VALVE GAS STOP VALVE LIQUID VALVE COVER SERVICE PANEL OUTDOOR FAN MOTOR OUTDOOR HEAT EXCHANGER OUTDOOR HEAT EXCHANGER SURGE ABSORBER TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR HANDLE CAPILLARY TUBE FUSE FUSE HOLDER G G G G G G G G G G G G...

Страница 32: ...2 MU A24ND MU A30ND 11 2 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 4 23 15 10 1 11 12 2 6 7 8 9 17 16 17 18 19 20 21 24 25 26 27 3 22 5 13 14 A B RoHS PARTS LIST RoHS compliant ...

Страница 33: ...E ABSORBER TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR DEICER P C BOARD DEICER P C BOARD COMPRESSOR CONTACTOR COMPRESSOR CONTACTOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR BACK PANEL OUT HANDLE MOTOR SUPPORT EXPANSION VALVE EXPANSION VALVE COIL FUSE VARISTOR CAPILLARY TUBE TAPER PIPE CAPILLARY TUBE TAPER PIPE CAPILLARY TUBE TAPER PIPE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY...

Страница 34: ...34 ...

Страница 35: ...35 ...

Страница 36: ...tributed in May 2006 No OB405 REVISED EDITION D 106 Distributed in Nov 2005 No OB405 REVISED EDITION C 106 Distributed in Jun 2005 No OB405 REVISED EDITION B 106 Distributed in May 2005 No OB405 REVISED EDITION A 106 Reprinted in Apr 2005 No OB405 100 Distributed in Mar 2005 No OB405 6 Made in Japan New publication effective Oct 2009 Specifications subject to change without notice TM ...

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