Mitsubishi Electric MS-07NV - E2 (WH) Page 1 Service Manual Download

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SERVICE MANUAL

SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS······················3

3. SPECIFICATION·················································6

4. OUTLINES AND DIMENSIONS ·························9

5. WIRING DIAGRAM ··········································12

6. REFRIGERANT SYSTEM DIAGRAM ··············20

7. PERFORMANCE CURVES ······························24

8. MICROPROCESSOR CONTROL ····················27

9. SERVICE FUNCTIONS ····································34

10. TROUBLESHOOTING······································37

11. DISASSEMBLY INSTRUCTIONS ·····················45

12. PARTS LIST······················································53

13. OPTIONAL PARTS···········································61

Wireless type
Models

MS-07NV -

(WH)

· MU-07NV -

MS-09NV -

(WH)

· MU-09NV -

MS-12NV -

(WH)

· MU-12NV -

MS-18NV -

(WH)

· MU-18NV -

MS-24NV -

(WH)

· MU-24NV -

MS-07NV -

(WH)

· MU-07NV -

MS-09NV -

(WH)

· MU-09NV -

MS-12NV -

(WH)

· MU-12NV -

MS-18NV -

(WH)

· MU-18NV -

MS-24NV -

(WH)

· MU-24NV -

MS-18NV -

(WH)

· MU-18NV -

No. OB206

MS-18NV -
MS-24NV -
MS-18NV -
MS-24NV -
MS-18NV -

This Servise Manual OB206 deals with MS-07/09/12/18/24NV-E1,
MU-07/09/12/18/24NV-E1, MS-18NV-E2, and MU-18NV-E2 in
OB175 THIRD EDITION issued in June in 1997.
Therfore, please refer to OB206, not to OB175 THIRD EDITION,
for the above models.

OB206t-1.qxp 25/9/97 6:42 PM Page 1

Summary of Contents for MS-07NV - E2 (WH)

Page 1: ...s type Models MS 07NV WH MU 07NV MS 09NV WH MU 09NV MS 12NV WH MU 12NV MS 18NV WH MU 18NV MS 24NV WH MU 24NV MS 07NV WH MU 07NV MS 09NV WH MU 09NV MS 12NV WH MU 12NV MS 18NV WH MU 18NV MS 24NV WH MU 24NV MS 18NV WH MU 18NV E3 E3 E2 E2 E2 E2 E2 E2 E2 E2 E2 E2 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 No OB206 MS 18NV MS 24NV MS 18NV MS 24NV MS 18NV E3 E2 E2 E1 E1 This Servise Manual OB206 deals with MS 07 09 1...

Page 2: ...ng capacity R 22 has changed 900g 850g MS 12NV MS 12NV 1 Indoor electronic control P C board has changed However it is compatible between and models Auto restart function is added MS 18NV MS 18NV 1 Indoor electronic control P C board has changed However it is compatible between and models 2 Auto restart function is added MS 24NV MS 24NV 1 Indoor electronic control P C board has changed However it ...

Page 3: ...E2 E2 E1 E1 E1 MU 07NV MU 09NV MU 07NV MU 09NV E2 E2 E1 E1 When the front panel is open MS 07NV MS 09NV MS 12NV MS 07NV MS 09NV MS 12NV E2 E2 E2 E1 E1 E1 MS 07NV MS 09NV MS 12NV MS 07NV MS 09NV MS 12NV E2 E2 E2 E1 E1 E1 MS 18NV MS 24NV MS 18NV MS 24NV MS 18NV E3 E2 E2 E1 E1 MS 18NV MS 24NV MS 18NV MS 24NV MS 18NV E3 E2 E2 E1 E1 MS 18NV MS 24NV MS 18NV MS 24NV MS 18NV E3 E2 E2 E1 E1 ...

Page 4: ...4 REMOTE CONTROLLER MS 07NV MS 09NV MS 12NV MS 18NV MS 24NV MS 18NV E2 E1 E1 E1 E1 E1 ...

Page 5: ...ct number 7000001T MS 09NV Product number 7000001T MS 12NV Product number 7000001T MS 24NV Product number 7000001T MS 07NV MS 09NV MS 12NV MS 18NV Product number 7000001T MS 24NV MS 18NV E3 E2 E2 E2 E2 E2 E1 E1 E1 E1 ...

Page 6: ...ling capacity R 22 Thermistor Width Height Depth Width Height Depth Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit RT11 at25 RT12 at25 kW r h K h A A W A kW A A A W mm mm mm mm mm mm kg kg dB dB rpm rpm kg k k MS 07NV E1 E2 Cooling 2 2 0 8 3 15 3 05 680 710 98 97 2 69 2 59 3 24 3 10 RH 135VGHT 650 C R 4 17 C S 5 75 0 65 MS 09NV E1 Cooling 2 5 1 1 3 60 3 45 780 810 98 98...

Page 7: ...ht Depth Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit RT11 at25 RT12 at25 kW r h K h A A W A kW A A A W mm mm mm mm mm mm kg kg dB dB rpm rpm kg k k MS 09NV E2 Cooling 2 5 1 1 INDOOR 492 OUTDOOR 1620 3 60 3 45 780 810 98 98 25 3 15 2 99 INDOOR 0 17 OUTDOOR 0 29 3 21 3 09 RH 145VGHT 700 C R 4 04 C S 5 96 RA6V23 AB WHT BLK268 4 BLK RED390 8 780 540 255 32 37 44 45 1 100...

Page 8: ... Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit RT11 at25 RT12 at25 kW R h K h A A W A kW A A A W mm mm mm mm mm mm kg kg dB dB rpm rpm kg k k MS 18NV E1 E2 E3 MS 24NV E1 E2 Single phase 220 240V 50Hz WHT BLK183 8 BLK RED250 5 1 015 320 190 850 605 290 14 5 4 10 10 Cooling 6 4 3 4 INDOOR 816 OUTDOOR 2286 25 12 9 12 6 2 780 2 900 98 96 59 12 06 11 76 INDOOR 0 29 OUTDOOR ...

Page 9: ...9 OUTLINES AND DIMENSIONS 4 MS 07NV MS 09NV MS 07NV MS 09NV E2 E2 E1 E1 MU 07NV MU 09NV MU 07NV MU 09NV E2 E2 E1 E1 INDOOR UNIT OUTDOOR UNIT Unit mm ...

Page 10: ...2NV MU 12NV E2 E1 INDOOR UNIT OUTDOOR UNIT 12 7 If the right left sides or back side is vacant the front has only to be 50cm unobstructed If the front or right left sides are vacant the top has only to be 10cm unobstructed Unit mm ...

Page 11: ...eless remote controller Wireless remote controller Power supply cord Power supply cord Lead to right 2m Lead to right 2m Lead to left 1m Lead to left 1m W Wall hole all hole 75 75 Installation plate Installation plate Liquid line Liquid line 8 0 5m 8 0 5m Gas line Gas line 12 0 43m 12 0 43m Insulation Insulation 50 O D 50 O D 28 I D 28 I D Insulation Insulation 28 28 Drain hose Drain hose 16 16 Ai...

Page 12: ...R FAN CAPACITOR OUTDOOR FAN MOTOR COMPRESSOR INNERTHERMOSTAT TERMINAL BLOCK FUSE 2A NOTE 1 For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring...

Page 13: ...diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector NOTE 1 Use copper conductors only For field wiring 2 show the terminals with a lock mechanism so they cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lever projected part of the terminal with a finger 3 Symbols below indicate Terminal b...

Page 14: ...CONTACTOR TERMINAL BLOCK SURGE ABSORBER TB GRN YLW 2 N WHT BLK TO INDOOR UNIT CONNECTING C R S C2 C1 WHT BLK RED ORN MC MF WHT BLK RED ORN RED BLK 1 2 3 4 SYMBOL C1 C2 SYMBOL MF MC SYMBOL TB F NAME NAME NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR OUTDOOR FAN MOTOR COMPRESSOR INNERTHERMOSTAT TERMINAL BLOCK FUSE 2A NOTE 1 For the outdoor electric wiring refer to the outdoor unit electric wiring ...

Page 15: ...ED X1 BLU F 1 TB2 RED BLU BLU GRY WHT TO INDOOR UNIT CONNECTING RED RED a b TB 2 WHT 52C 1 2 R C S BLK RED C1 MC YLW YLW BLK WHT RED ORN WHT BLK ORN RED C2 MF RED CR 52C N RED GRN YLW 3 6 26F1 X1 BLU 5 1 3 220 240V 220 240V SYMBOL C1 C2 X1 SYMBOL MF MC 52C SYMBOL TB CR F NAME NAME NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR FAN MOTOR RELAY OUTDOOR FAN MOTOR COMPRESSOR INNERTHERMOSTAT COMPRESSO...

Page 16: ...NERTHERMOSTAT TERMINAL BLOCK FUSE 2A 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring 2 show the terminals with a lock mechanism so they cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lever projected part of the terminal with a finger 3 Symbols below indicate Terminal block Connector...

Page 17: ... OUTDOOR FAN CAPACITOR OUTDOOR FAN MOTOR COMPRESSOR INNERTHERMOSTAT TERMINAL BLOCK FUSE 2A NOTE 1 For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field...

Page 18: ...lock Connector 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring 2 show the terminals with a lock mechanism so they cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lever projected part of the terminal with a finger 3 Symbols below indicate Terminal block Connector 220 240 6 5 4 3 2 1 2...

Page 19: ...AME INDOOR FAN CAPACITOR FUSE 93 C FUSE 3 15A INDOOR FAN MOTOR VANE MOTOR VARISTOR ROOMTEMPERATURETHERMISTOR INDOOR COIL THERMISTOR HYBRID IC CONTACTOR TERMINAL BLOCK SURGE ABSORBER DC DC CONVERTER NOTE 1 For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MF ...

Page 20: ...utdoor heat exchanger Capillary tube 1 6x1200 Strainer Refrigerant pipe 6 35 Option with heat insulator Refrigerant flow in cooling Unit mm Unit mm Refrigerant pipe 12 7 Optional with heat insulator Stop valve with service port Stop valve with service port Strainer Refrigerant pipe 6 35 Option with heat insulator Stop valve Capillary tube 1 8x800 Refrigerant flow in cooling Outdoor heat exchanger ...

Page 21: ...r heat exchanger Refrigerant flow in cooling Strainer Distributor Capillary tube 1 6X350 Discharge Pressure Regulator MS 18NV MS 18NV MS 18NV E3 E2 E1 MU 18NV MU 18NV MU 18NV E3 E2 E1 INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 Refrigerant pipe 15 88 Option with heat insulator Flared connection Indoor coil thermistor RT12 Refrigerant pipe 6 35 Option with heat i...

Page 22: ... MS 24NV E1 MS 24NV E2 MAX HEIGHT DIFFERENCE ADDITIONAL REFRIGERANT CHARGE R 22 g Model Refrigerant piping Max length m A 10 15 Piping size O D mm Length of connecting pipe m Indoor unit 0 43 Gas 9 52 12 7 15 88 Liquid 6 35 9 52 Outdoor unit 0 MS 07NV E1 MS 07NV E2 MS 09NV E1 MS 09NV E2 MS 12NV E1 MS 12NV E2 MS 18NV E1 MS 18NV E2 MS 18NV E3 MS 24NV E1 MS 24NV E2 MAX REFRIGERANT PIPING LENGTH Calcu...

Page 23: ...age manifold valve remains in the same position Check the vacuum with the gage manifold valve then close the gage manifold valve and stop the vacuum pump Run the vacuum pump for more than 15 minutes and at this time confirm that the pressure gage indicates 0 1 Mpa When vacuuming Connect the gage manifold valve and the vacuum pump to the service port of the stop valve on the liquid pipe side of the...

Page 24: ...ference between the indoor intake air wet bulb temperature and the indoor outlet air wet bulb temperature for your reference at service How to measure the indoor air wet bulb temperature difference 1 Attach at least 2 sets of wet and dry bulb thermometers 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 m...

Page 25: ...rent A Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity 220 240V 240V 220 240V 220V E3 Both indoor and outdoor unit are under the same temperature humidity condition OUTDOOR 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 Outdoor low pressure kgf F G MPa G Outdoor low pressure k...

Page 26: ...mbient temperature C Ambient humidity Outdoor unit current A Ambient temperature C Ambient humidity 220V 240V 220 240V 220 240V 7 6 5 4 3 2 MU 18NV E3 E2 E1 MU 18NV E3 E2 E1 Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity 220 240V 220 240V Outdoor low pressure kgf F G MPa G Outdoor low pressure kgf F G MPa G Outdoor unit current A Outdoor low pressure kgf F G MPa G ...

Page 27: ...ll not change by room temperature afterwards Under the ON TIMER operation the mode is determined according to the room temperature as the operation starts When the system is stopped with the OPERATE STOP button on the remote controller and restarted within 2 hours in I FEEL CONTROL mode the system operates in previous mode automatically regardless of the room temperature Example Previous operation...

Page 28: ...ition set temperature is controlled by TOO WARM or TOO COOL buttons when you feel too cool or too warm Each time the TOO WARM or TOO COOL button is pressed the indoor unit receives the signal and emits a beep tone Fuzzy control When the TOO COOL or TOO WARM button is pressed the microprocessor changes the set temperature considering the room temperature the frequency of pressing TOO COOL or TOO WA...

Page 29: ...rates at the set speed by FAN SPEED CONTROL button Followings are the fan speed in AUTO Initial temperature difference Room temperature minus set temperature 2 degrees or more Hi Room temperature minus set temperature 1 degree or more and less than 2 degrees Me Room temperature minus set temperature less than 1 degree Lo DRY mode of I FEEL CONTROL The system for dry operation uses the same refrige...

Page 30: ...16 31 C Indoor fan continues to operate regardless of thermostat s OFF ON Coil frost prevention is as same as COOL mode of I FEEL CONTROL 3 DRY OPERATION 1 Press OPERATE STOP button OPERATION INDICATOR of the indoor unit turns on with a beep tone 2 Select DRY mode 3 The microprocessor reads the room temper ature and determines the set temperature Set temperature is as shown on the right chart Ther...

Page 31: ...24 and adjusts fan motor electric current to make the cur rent rotational frequency close to the target rotational frequency With this control when the fan speed is switched the rotational frequency changes smoothly 2 Fan motor lock up protection When the rotational frequency feedback signal has not output for 12 seconds or when the microprocessor cannot detect the signal for 12 seconds the fan mo...

Page 32: ...RY 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 6 SWING MODE By pressing the SWING button vane swings vertically The remote controller displays SWING mode is can celled when the SWING button or VANE CONTROL button is pressed or the operation stops or changes to other mode In COOL and D...

Page 33: ... the remote controller at the position where its signal can reach the air conditioner even during TIMER operation or the set time may deviate within the range of about 10 minutes NOTE2 Reset the timer in the following cases or the set time may deviate and other malfunctions may occur A power failure occurs The circuit breaker functions 2 CANCEL Timer setting can be cancelled with the TIMER CONTROL...

Page 34: ...emote controller must be modified according to the number of the indoor unit How to modify the remote controller P C board Remove batteries before modification The board has a print as shown below The P C board has the print J10 and J20 Jumper wires are mounted to each J10 and J20 Replace J20 and J10 with J21 and J11 according to the number of indoor unit as shown in Table 1 After modification pus...

Page 35: ...as at left Same as at left Cut both J1 and J2 Table 1 Note At power supply failure or installation indoor unit deletes the memory about remote controller When the power supply is turned on and indoor unit receives the first signals from the remote controller the remote controller number is desig nated as the indoor unit number Therefore at and after the second time indoor unit accepts the remote c...

Page 36: ...If the main power 220 240V AC has been cut the operation settings remain 2After the power is restored the unit restarts automatically according to the memory However it takes at least 3 minutes for the compressor to start running Note The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote controller If main power is turned off while AUTO...

Page 37: ... the abnormality indication for 2 or 3 times before starting service work 2 If the electronic control P C board is supposed to be defective check the copper foil pattern for disconnection and the components for bursting and discoloration 3 When troubleshooting refer to the flow chart and the check table on page 38 10 1 4 How to replace batteries Weak batteries may cause the remote controller malfu...

Page 38: ...heck indoor coil thermistor Refer to Test point dia gram and voltage on page 42 44 2 time flash 2 5 second OFF 3 time flash 2 5 second OFF Start C A 10 2 1 troubleshooting check table Before taking measures make sure that the symptom reappears for accurate troubleshooting Self check table NO 1 2 Abnormal point Indoor coil thermistor Room tempera ture ther mistor Indoor fan motor Indication 2 time ...

Page 39: ...P MAIN AUX BLK RED WHT P MAIN AUX BLK YLW RED WHT ORN P MAIN YLW RED BLU ORN PNK ROTOR INNER PROTECTOR P 12NV 18NV Normal 8kΩ 20kΩ Abnormal Opened or short circuited Normal 07NV 3 67 4 50Ω 5 07 6 21Ω 3 56 4 36Ω 1 86 2 28Ω 3 50 4 29Ω 1 05 1 30Ω 2 38 2 92Ω 09NV 12NV 18NV C R C S Normal Abnormal Opened or short circuited 18 24NV 280 303Ω 176 192Ω 240 261Ω WHT BLK BLK RED BRN YLW YLW GRY Normal 4 5 5 ...

Page 40: ...it operates by pressing the EMERGENCY OPERATION switch but does not operate with the remote controller Turn on a radio to AM and press switch on remote controller Is noise heard from radio Are there any fluorescent lights of inverter or rapid start type within the range of 1m Turn ON power supply Measure the voltage between receiver P C board connector No 2 and No 1 MS 12 18 24 indoor electronic c...

Page 41: ...mpressor and outdoor fan do not operate Only indoor fan operates Check voltage to terminal block of outdoor unit Is there AC220 240V to terminal block between 2 N Press EMERGENCY OPERATION switch 3 minute time delay works Test run operation operates for 30 minutes Start Check voltage to terminal block of indoor unit Is there AC220 240V to terminal block between 2 N No Yes Press EMERGENCY OPERATION...

Page 42: ...1 Fan motor power supply Fuse AC250V 3 15A Power supply input AC220 240V DC5V Indoor coil thermistor RT12 Time short mode point Emergency operation switch Room temperature thermistor RT11 DC12V Room temperature thermistor RT11 Indoor coil thermistor RT12 C144 C144 JP43 JPG JPS JPG ...

Page 43: ...S 12NV Indoor electronic control P C board E2 E2 E2 E1 E1 E1 CN201 No1 Varistor NR11 Fuse AC250V 3 15A Room temperature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point Room temperature thermistor RT11 Indoor coil thermistor RT12 Power supply input AC220 240V ...

Page 44: ...P C board E3 E2 E2 E1 Fan motor power supply Fuse AC250V 3 15A Power supply input AC220 240V DC5V Indoor coil thermistor RT12 Timer short mode point Emergency operation switch DC12V Room temperature thermistor RT11 Room temperature thermistor RT11 Indoor coil thermistor RT12 C144 C144 JPG JP45 ...

Page 45: ...hoto 1 Photo 2 Screws Front panel 2 Removing the electronic control 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 Disconnect the room temperature thermistor and the con nector from the indoor coil thermistor 4 Remove the terminal cover Remove the screw of the terminal block 5 Remove the cord clamp 6 ...

Page 46: ...nel 2 Remove the screw of the vane motor disconnect the con nector 3 Remove the vane motor 5 Removing the line flow fan and the indoor fan motor 1 Remove the front panel Refer to 1 2 Disconnect the connector from the vane motor 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Lifting the left side of the heat exchanger remove the elec trical box 5 Remove the fixture ...

Page 47: ...e screw remove the terminal cover 4 Remove the screw on the terminal block 5 Unhook the catch of the lamp holder 6 Remove the receiver holder 7 Disconnect the connectors and the lead wire from 52C relay on the electronic control P C board and remove the ground and the indoor coil thermistor 8 Remove the electronic control P C board 11 2 MS 18NV MS 24NV MS 18NV MS 24NV MS 18NV INDOOR UNIT E3 E2 E2 ...

Page 48: ...onic con trol P C board 5 Remove the screw of the electrical box remove the electri cal box 4 Removing the indoor fan motor and the line flow fan 1 Remove the front panel 2 Remove the electrical box 3 Unhook the catches on the both sides of the nozzle assem bly 4 Remove the nozzle assembly 5 Remove the screws of the bearing support 6 Remove the screw of the heat exchanger unhook the catch 7 Liftin...

Page 49: ...he rotating direction for removal When attaching the propeller fan align the mark on the propeller fan and the motor shaft cut section Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan 4 Remove lead clamps and disconnect the outdoor fan motor lead wires 5 Remove screws fixing the fan motor 6 Remove the outdoor fan motor 11 3 MU 07NV MU 09NV MU 07NV M...

Page 50: ...compressor terminal 6 Remove the overcurrent relay 7 Remove the compressor nuts 8 Detach the suction pipe welded section and discharge pipe welded section with a burner NOTE Before using a burner purge gas from the pipes until the pres sure gauge shows 0 kg cm2 Use the burner under the condition that gas can be released even when the inner pressure rises by heat Photo 4 Terminal cover Discharge pi...

Page 51: ... the cabinet 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 block 11 4 MU 12NV MU 18NV MU 24NV MU 12NV MU 18NV MU 24NV MU 18NV OUTDOOR UNIT E3 E2 E2 E2 E1 E1 E1 Photo 1 Photo 3 Photo 2 Screws Screws Service panel Compressor capacitor ...

Page 52: ...ove the soundproof felt 3 Remove the terminal cover on the compressor 4 Disconnect lead wires from the glass terminal of the com pressor Refer to 2 5 Release gas from the refrigerant circuit 6 Disconnect the welded part of the discharge pipe 7 Disconnect the welded part of the suction pipe 8 Remove nuts fixing the compressor 9 Remove the compressor Photo 5 Compressor Discharge pipe Suction pipe Co...

Page 53: ...1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1PC SET 2PCS SET Remarks Part No NO Part Name MS 07NV E1 WH 1 1 2 1 1 2 MS 07NV E2 WH MS 09NV E1 WH MS 09NV E2 WH MS 12NV E1 WH MS 12NV E2 WH Optional part See page 62 5 4 1 6 2 3 E02 151 620 E02 155 620 E02 151 666 E02 155 666 E02 151 667 1 2 3 INDOOR HEAT EXCHANGER INDOOR HEAT EXCHANGER UNION GAS UNION GAS UNION LIQUID Symbol in Wiring Diagram Q ty u...

Page 54: ...E VANE MOTOR INDOOR FAN MOTOR RUBBER MOUNT LINE FLOW FAN BEARING MOUNT ROOM TEMPERATURE THERMISTOR INDOOR COIL THERMISTOR TERMINAL BLOCK ELECT CONTROL P C BOARD ELECT CONTROL P C BOARD POWER SUPPLY CORD FUSE VARISTOR SLEEVE BEARING RECEIVER FAN GUARD Symbol in Wiring Diagram Q ty unit RC4V19 2PCS SET 3 15A Remarks Part No NO Part Name MV MF RT11 RT12 TB F11 NR11 MS 07NV WH E1 E2 E1 E2 E1 E2 MS 09N...

Page 55: ...INET TOP PANEL FAN GUARD SERVICE PANEL OUTDOOR HEAT EXCHANGER COMPRESSOR COMPRESSOR COMPRESSOR RUBBER SET STOP VALVE LIQUID STOP VALVE GAS MOTOR SUPPORT BASE CAPILLARY TUBE MC MC Symbol in Wiring Diagram Q ty unit RH 145VGHT RH 135VGHT 6 35 9 52 3 0 1 6 1200 Remarks Part No NO Part Name 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 MU 09NV MU 07NV E1 E1 MU 07NV E2 MU 09NV E2 Part number that are...

Page 56: ... COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR TERMINAL BLOCK Symbol in Wiring Diagram Q ty unit RA6V23 25 440VAC 1 5 440VAC Remarks Part No NO Part Name MF C1 C2 TB 1 1 1 1 1 MU 07NV E1 E2 MU 09NV E1 E2 1 3 5 4 2 OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS MU 07NV MU 09NV MU 07NV MU 09NV E2 E2 E1 E1 ...

Page 57: ...EL COMPRESSOR RUBBER SET MOTOR SUPPORT OUTDOOR HEAT EXCHANGER COMPRESSOR BASE STOP VALVE LOQUID STOP VALVE GAS PROPELLER FAN OUTDOOR FAN MOTOR COMPRESSOR CAPACITOR TEAMINAL BLOCK OUTDOOR FAN CAPACITOR CAPILLARY TUBE Symbol in Wiring Diagram Q ty unit RH 231VHAT 6 35 12 7 RA6V40 30 440VAC 3 0MFD 440VAC 3 0 1 8 800 Remarks Part No NO Part Name MC MF C1 TB C2 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 MU 12NV...

Page 58: ... 3PCS SET Remarks Part No NO Part Name 1 1 1 2 1 3 1 1 1 1 2 1 3 1 MS 24NV WH MS 18NV E1 E2 E3 E1 E2 WH Part number that are circled is not shown in the illustration Optional parts See page 62 3 5 4 6 6 6 2 1 INDOOR UNIT HEAT EXCHANGER PARTS MS 18NV WH MS 24NV WH MS 18NV WH MS 24NV WH MS 18NV WH E3 E2 E2 E1 E1 E02 141 620 E02 138 667 E02 176 667 E02 138 666 1 2 3 INDOOR HEAT EXCHANGER UNION LIQUID...

Page 59: ... SUPPLY CORD POWER SUPPLY CORD ELECT CONTROL P C BOARD ELECT CONTROL P C BOARD ELECT CONTROL P C BOARD LINE FLOW FAN VANE MOTOR DISPLAY P C BOARD BEARING MOUNT TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK VARISTOR RECEIVER P C BOARD SLEEVE BEARING INDOOR COIL THERMISTOR ROOM TEMPERATURE THERMISTOR FUSE FAN GUARD Symbol in Wiring Diagram Q ty unit 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 MS 18NV WH 1 ...

Page 60: ... OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR PROPELLER FAN COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK CAPILLARY TUBE CAPILLARY TUBE COMPRESSOR RUBBER SET STOP VALVE LIQUID STOP VALVE LIQUID STOP VALVE GAS BACK PANEL COMPRESSOR CONTACTOR THERMAL REED SWITCH FAN MOTOR RELAY MU 18NV 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 MU 18NV 1 1 1 1 1 1 1 1 1 1...

Page 61: ...15m 9 52 3 8 12 7 1 2 15 88 5 8 6 35 1 4 9 52 3 8 27 31 21 27 MAC 440PI MAC 441PI MAC 442PI MAC 443PI MAC 660PI MAC 661PI MAC 662PI MAC 663PI MAC 664PI MAC 670PI MAC 671PI MAC 672PI MAC 673PI MAC 674PI MAC 860PIE MAC 861PIE MAC 862PIE MAC 863PIE MAC 864PIE MS 07NV MS 09NV MS 07NV MS 09NV MS 12NV MS 12NV MS 18NV MS 18NV MS 18NV MS 24NV MS 24NV 0 45 0 45 120 0 45 120 0 45 120 Pipe length Cross secti...

Page 62: ...pacity or cause frost on the air outlet DO NOT reuse AIR CLEANING FILTER even if it is washed DO NOT remove or attach AIR CLEANING FILTER during unit operation 3 DEODORIZING FILTER DEODORIZING FILTER removes ammonia and hydrogen sulphide emitted from tobacco and odors of pets Clean DEODORIZING FILTER every two weeks If the filter is particularly dirty clean the filter more often For cleaning soak ...

Page 63: ......

Page 64: ...UNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYO C C Copyright 1997 MITSUBISHI ELECTRIC ENGINIEERING CO LTD Issued in Sep 1997 No OB206 646 Printed in Japan New publication effective Sep 1997 Specifications subject to change without notice ...

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