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HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN

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Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.

Issued in Dec. 2000. No.OB273 223
Made in Japan

New publication, effective Dec. 2000
Specifications subject to change without notice.

OB273--2.qxp  12/25/00 1:53 PM  Page 48

Содержание -E1WH

Страница 1: ...ND DIMENSIONS 9 6 WIRING DIAGRAM 10 7 REFRIGERANT SYSTEM DIAGRAM 12 8 PERFORMANCE CURVES 14 9 MICROPROCESSOR CONTROL 20 10 SERVICE FUNCTIONS 27 11 TROUBLESHOOTING 29 12 DISASSEMBLY INSTRUCTIONS 37 13 PARTS LIST 43 14 OPTIONAL PARTS 46 Wireless type Models MS C18TV WH MU C18TV MS C24TV WH MU C24TV E1 E1 E1 E1 No OB273 MS C18TV MS C24TV E1 E1 HFC utilized R407C ...

Страница 2: ......

Страница 3: ...possible Incompatible oil Non Non Previous refrigerant R22 HCFC22 100 Single refrigerant Included A1 86 5 40 8 0 94 44 4 Non combustible 0 055 1700 Gas phase Possible Compatible oil Light yellow Non Refrigerant Composition Ratio Refrigerant handling Chlorine Safety group ASHRAE Molecular weight Boiling point Steam pressure 25 Mpa Gauge Saturated steam density 25 Kg K Combustibility ODP w1 GWP w2 R...

Страница 4: ...ing Do not use copper pipes which are broken deformed or discoloured In addition be sure that the inner surfaces of the pipes are clean free of hazardous sulfur and oxides or have no dust dirt shaving particles oil moisture or any other contamination If there is a large amount of residual oil inside the piping and joints deterioration of the refrigerant oil will result 3 Refrigerant oil Apply the ...

Страница 5: ...V MS C24TV E1 E1 ACCESSORIES MS C18TV MS C24TV E1 E1 1 5 1 2 2 1 1 1 1 2 3 4 5 6 7 8 Installation plate Installation plate fixing screw 4 x 25 mm Remote controller mounting hardware Fixing screw for 3 3 5 x 16 mm Black Battery AAA for remote controller Wireless remote controller Felt tape Used for left or left rear piping Refrigeration oil OUTDOOR UNIT MU C18TV MU C24TV E1 E1 ...

Страница 6: ... RESET CLOCK FAN 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 MS C18TV MS C24TV E1 E1 ...

Страница 7: ... A W mm kg dB rpm kg cc Cooling Single phase 230V 50Hz WHT BLK 183 8 BLK RED 250 5 1 015O320O190 14 5 3 10 10 850o605o290 1100 NEO22 MS C24TV E1 6 4 3 1 816 25 12 7 2 840 97 84 0 29 2 25 RA4V27 EE 45 1 260 MU C24TV E1 11 86 0 55 NE 47VMHHT 2 200 C R 0 67 C S 2 02 RA6V60 AC WHT BLK 81 1 BLK RED 102 2 BLK YLW 92 2 61 53 873 2 1 85 MS C18TV E1 5 1 2 4 756 15 9 3 2 100 98 50 0 25 2 43 RA4V27 EF 42 1 1...

Страница 8: ...tions Cooling Dry bulb temperature 27 Wet bulb temperature 19 45 SPL dB A LINE NOTCH High MS C18TV E1 MS C24TV 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 Test conditions Cooling Dry bulb temperature 35 Wet...

Страница 9: ...d line 8 0 5m Gas line 12 0 43m Insulation 50 O D 28 I D Insulation 28 Drain hose 16 Air out Air in Wireless remote controller 162 19 58 100mm or more 100mm or more 100mm or more 500mm or more 350mm or more Drainage 3holes 33 Air out Air in Air in Service panel Liquid refrigerant pipe joint Refregerant pipe flared 6 35 MU C18TV 9 52 MU C24TV Gas refregerant pipe joint Refregerant pipe flared 15 88...

Страница 10: ...2 3 GRN YLW FROM INDOOR UNIT CONNECTING C S R MC 2 CIRCUIT BREAKER 50Hz 230V BRN DSAR GRN YLW LD1 REMOTE CONTROLLER 3 1 DISPLAY P C BOARD 101 CN 102 CN 151 CN BLU RECEIVER P C BOARD MV 5 F11 3 3 BLU N 230V CORD POWER SUPPLY TO OUTDOOR UNIT CONNECTING BRN L N GRN YLW TB 52C BRN 2 4 3 CN201 1 2 F12 WHT BLU BLU BLU TRANS HIC1 111 CN 4 2 1 C11 CN211 BLK WHT GRY RED RT11 MF 3 121 CN CN 112 NR11 IC141 R...

Страница 11: ...RN YLW RED GRY RED WHT WHT BLK RED BLU BLU RED ORN WHT BLK YLW 7 8 2 1 B L U 3 5 6 1 FROM INDOOR UNIT CONNECTING X1 MF RED ORN WHT YLW BLK C S R C1 230V BLU BLU BRN BLU F12 2 1 CN201 3 4 BRN YLW BLU TB GRN YLW 3 RED TO OUTDOOR UNIT CONNECTING CN 121 3 MF BLU F11 RT11 RED GRY WHT BLK WHT CN211 C11 1 2 4 CN 111 1 3 DSAR WHT WHT 1 TRANS NR11 HIC1 CN 112 IC141 RT12 52C N L 230V 230V 2 ELECTRONIC CONTR...

Страница 12: ...pressor Stop valve with service port Outdoor heat exchanger Refrigerant flow in cooling Strainer Unit mm Distributor Unit mm MS C24TV E1 MU C24TV 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 9 52 Option with heat insulator Stop valve Capillary tube ...

Страница 13: ...length one way 15m 160 7m 0 10m 60 MS C18TV E1 MU C18TV E1 MS C24TV E1 MU C24TV E1 MAX HEIGHT DIFFERENCE ADDITIONAL REFRIGERANT CHARGE R407C g Model Refrigerant piping Max length m A 15 Piping size O D mm Length of connecting pipe m Indoor unit Gas 0 43 Liquid 0 5 Gas 15 88 Liquid 6 35 9 52 Outdoor unit Gas 0 Liquid 0 MS C18TV E1 MU C18TV E1 MS C24TV E1 MU C24TV E1 MAX REFRIGERANT PIPING LENGTH Ca...

Страница 14: ...tween the indoor intake air wet dry bulb temperature and the indoor outlet air wet dry bulb temperature for your reference at ser vice How to measure the indoor air wet bulb dry 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 thermo...

Страница 15: ...ve humidity 20 50 25 60 30 70 15 20 50 25 60 30 70 35 0 3 0 4 0 5 0 6 0 7 7 0 6 0 5 0 4 0 3 0 18 32 230V 15 20 50 25 60 30 70 35 7 0 8 0 9 0 10 0 11 0 12 0 230V 18 32 MU C18TV E1 MU C18TV E1 Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor low pressure kgf F Gauge MPa Gauge Outdoor unit current A 7 0 6 0 5 0 4 0 3 0 230V 15 20 50 25 60 30 70 35 0 3 0 4 0 5 0 6 ...

Страница 16: ...0 53 1827 6 27 3 32 0 53 1943 6 12 3 24 0 53 1995 5 87 3 11 0 53 2079 27 24 6 83 2 80 0 41 1911 6 58 2 70 0 41 2016 6 43 2 63 0 41 2079 6 22 2 55 0 41 2184 27 26 7 04 2 04 0 29 2016 6 83 1 98 0 29 2121 6 73 1 95 0 29 2184 6 53 1 89 0 29 2247 28 18 5 99 4 85 0 81 1680 5 74 4 65 0 81 1764 5 51 4 46 0 81 1848 5 30 4 30 0 81 1932 28 20 6 25 4 31 0 69 1764 5 99 4 13 0 69 1869 5 81 4 01 0 69 1911 5 61 3...

Страница 17: ... 2247 4 72 3 07 0 65 2310 4 54 2 95 0 65 2373 27 22 5 56 2 95 0 53 2226 5 20 2 76 0 53 2352 5 02 2 66 0 53 2394 4 85 2 57 0 53 2436 27 24 5 87 2 40 0 41 2310 5 51 2 26 0 41 2415 5 36 2 20 0 41 2468 5 20 2 13 0 41 2520 27 26 6 17 1 79 0 29 2394 5 81 1 69 0 29 2499 5 64 1 63 0 29 2552 5 46 1 58 0 29 2604 28 18 5 00 4 05 0 81 2058 4 59 3 72 0 81 2184 4 41 3 57 0 81 2226 4 23 3 43 0 81 2268 28 20 5 25...

Страница 18: ...0 48 2471 7 87 3 78 0 48 2627 7 68 3 69 0 48 2698 7 36 3 53 0 48 2812 27 24 8 58 3 09 0 36 2584 8 26 2 97 0 36 2726 8 06 2 90 0 36 2812 7 81 2 81 0 36 2954 27 26 8 83 2 12 0 24 2726 8 58 2 06 0 24 2868 8 45 2 03 0 24 2954 8 19 1 97 0 24 3039 28 18 7 52 5 72 0 76 2272 7 20 5 47 0 76 2386 6 91 5 25 0 76 2499 6 66 5 06 0 76 2613 28 20 7 84 5 02 0 64 2386 7 52 4 81 0 64 2528 7 30 4 67 0 64 2584 7 04 4...

Страница 19: ...09 27 22 6 98 3 35 0 48 3010 6 53 3 13 0 48 3181 6 30 3 03 0 48 3238 6 08 2 92 0 48 3294 27 24 7 36 2 65 0 36 3124 6 91 2 49 0 36 3266 6 72 2 42 0 36 3337 6 53 2 35 0 36 3408 27 26 7 74 1 86 0 24 3238 7 30 1 75 0 24 3380 7 07 1 70 0 24 3451 6 85 1 64 0 24 3522 28 18 6 27 4 77 0 76 2783 5 76 4 38 0 76 2954 5 54 4 21 0 76 3010 5 31 4 04 0 76 3067 28 20 6 59 4 22 0 64 2897 6 14 3 93 0 64 3039 5 92 3 ...

Страница 20: ...of I FEEL CONTROL or COOL mode Once the mode is fixed the mode does not change by room temperature afterwards Under the ON TIMER operation the mode is determined according to the room temperature at the set time the operation starts When the system is stopped on the remote controller and restarted within 2 hours in I FEEL CONTROL mode the system operates in previous mode automati cally regardless ...

Страница 21: ...l room temperature 1 Indoor fan speed control Indoor fan operates at the set speed by FAN SPEED CONTROL button In AUTO the fan speed is as follows Initial temperature difference Room temperature minus set temperature 2 degrees or more High Room temperature minus set temperature Between 1 and 2 degrees Med Room temperature minus set temperature less than 1 degree Low 2 Coil frost prevention 1 Tempe...

Страница 22: ...te in the same cycle as the compressor When the room temperature is 23 C or over When the thermostat is ON the compressor repeats 8 minutes ON and 3 minutes OFF When the thermostat is OFF the compressor repeats 4 minutes OFF and 1 minute ON When the room temperature is under 23 C When the thermostat is ON the compressor repeats 2 minutes ON and 3 minutes OFF When the thermostat is OFF the compress...

Страница 23: ...rget rotational frequency High Med Low the microprocessor controls IC141 and adjusts fan motor electric current to make the current 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 ...

Страница 24: ...d blow time sec 22 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 Upward level blow time sec 20 17 14 11 8 2 23 8 ECONO COOL operation ECONOmical operation When the ECONO COOL button is pressed in COOL mode set temperature is automatically set 2 C higher than that in COOL mode Also the horizontal vane swings in various cycle according to ...

Страница 25: ...re to place 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 ON...

Страница 26: ... is in continuous operation The thermostat is ON After 30 minutes of test run operation the system shifts to EMERGENCY COOL MODE with a set temperature of 24 C The fan speed shifts to Med speed The coil frost prevention works even in emergency operation In the test run or emergency operation the horizontal vane operates in VANE AUTO mode Emergency operation continues until the EMERGENCY OPERATION ...

Страница 27: ...mory 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 controller of the initial setting number At setting error turn the power supply off to cancel the individual operation and the...

Страница 28: ...peration 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 or a power failure occurs while AUTO START STOP timer is a...

Страница 29: ...R lamp on the indoor unit is flashing on and off to indicate an abnormality To make sure check how many times the abnormality indication is flashing on and off before starting service work 2 Before servicing that the connector and terminal are connected properly 3 If the electronic control P C board is supposed to be defective check the copper foil pattern for disconnection and the components for ...

Страница 30: ...controller OPERATION INDICATOR lamp on the indoor unit is flashing on and off Outdoor unit operates in only Test Run operation Outdoor unit doesn t operate even in Test Run operation Indoor unit operates when the EMERGENCY OPERATION switch is pressed Indoor unit doesn t operate when the EMERGENCY OPERATION switch is pressed Check room temperature thermistor Refer to Test point diagram and voltage ...

Страница 31: ... the resistance between the terminals with a tester Part temperature10 C 30 C Figure P BLK R MAIN AUX RED S C WHT MAIN AUX FUSE BLK RED WHT GRY YLW BRN MAIN AUX BLK RED WHT ORN P YLW RED BLU ORN PNK ROTOR INNER PROTECTOR P Normal 8kΩ 20kΩ Abnormal Open or short circuit Normal C18TV C24TV 0 95 1 17Ω 1 92 2 36Ω 0 59 0 73Ω 1 78 2 18Ω C R C S Normal Abnormal Open or short circuit 176 192Ω 240 261Ω WHT...

Страница 32: ... Indoor unit operates by pressing the EMERGENCY OPERATION switch but doesn t operate with the remote controller Turn on a radio to AM and press switch on the remote controller Is noise heard from radio Are there any fluorescent lights of inverter or rapid start type within the range of 1m Measure the voltage between receiver P C board connector No 2 and No 1 when remote controller button is presse...

Страница 33: ... of indoor electronic control P C board visually Replace the fuse Is fuse F11 blown Be sure to check both fuse and varistor in any case Replace the fan motor Replace the indoor electronic control P C board Is winding resistance of fan motor 0 Is winding resistance of vane motor 0 No Yes Replace the vane motor Turn OFF the power supply Turn OFF the power supply No Yes Yes Is varistor NR11 burnt Rep...

Страница 34: ...ate Yes Is there 230V AC between 3 N on the outdoor terminal block Check the outdoor fan motor Refer to page 31 No Make the connection of wiring correct Is there 230V AC between 3 N on the indoor terminal block Yes Reconnect the continuity of indoor and outdoor unit connection Yes Is there 230V AC between 1 on the compressor contactor 52C and N on the outdoor terminal block Replace the compressor ...

Страница 35: ... connection of wiring correct Is there 230V AC between 3 N on the indoor terminal block Yes Reconnect the continuity of indoor and outdoor unit connection Is there 230V AC between 1 on the compressor contactor 52C and N on the outdoor terminal block No Yes Reconnect the continuity of indoor and outdoor unit connection Yes Replace the compressor contactor 52C OK No After 30 seconds does outdoor fan...

Страница 36: ...15A Power supply input 230V AC 5V DC Indoor coil thermistor RT12 Timer short mode point JPG JPS Refer to page 27 Emergency operation switch 12V DC Room temperature thermistor RT11 Room temperature thermistor RT11 Indoor coil thermistor RT12 C144 C144 JPG JP45 Auto restart function Cut the Resistor JR06 Refer to page 28 Varistor NR11 ...

Страница 37: ...e down of the front panel Remove the screws 2 Pull the panel down to your side slightly and unhook the catches at the top 12 1 MS C18TV MS C24TV INDOOR UNIT E1 E1 Photo 2 Photo 1 Front panel Screws 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 electrical cover 3 Remove the screw of the terminal cover 4 ...

Страница 38: ...ane motor Vane motor 4 Removing the vane 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 Remove the screws both upper and lower of the vane motor disconnect the connector 5 Remove the vane motor 5 Removing the indoor fan motor and the line flow fan 1 Remove the front panel 2 Remove the ...

Страница 39: ...binet 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 TB 12 2 MU C18TV OUTDOOR UNIT E1 Photo 1 Photo 3 Photo 2 Screws of the cabinet Screws of the cabinet Service panel Outdoor fan capacitor C2 Compressor capacitor C1 Terminal block TB ...

Страница 40: ...from the glass terminal of the com pressor 5 Recover 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 NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm2 MPa Use the burner under the condition that gas can be recov...

Страница 41: ...Photo 1 Photo 2 Screws of the cabinet Screws of the cabinet Service panel 2 Removing the electrical parts 1 Remove the service panel and cabinet 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Compressor contactor 52C Fan motor relay X1 Terminal block TB Compressor capacitor C1 Photo 3 Fan motor relay X1 Terminal block TB Contactor 52C Outdoor fan capacitor C2 ...

Страница 42: ...mpressor 4 Disconnect lead wires from the glass terminal of the com pressor 5 Recover gas from the refrigerant circuit 6 Disconnect the welded part of the discharge pipe 7 Disconnect the welded part of the suction pipe 7 Remove the nuts fixing the compressor 8 Remove the compressor NOTE Before using a burner reclaim gas from the pipes until the pressure gauge shows 0 kg cm2 MPa Use the burner unde...

Страница 43: ...02 143 067 E02 141 100 E02 516 007 1 2 3 4 5 6 7 INSTALLATION PLATE BOX WH FRONT PANEL ASSEMBLY WH GRILLE WH SCREW CAP WH AIR FILTER LAMP PANEL WH Symbol in Wiring Diagram Q ty unit Including 4 5 7 3PCS SET Remarks Part No NO Part Name 1 1 1 1 3 2 1 1 1 1 1 3 2 1 MS C18TV E1 WH MS C24TV E1 WH Optional parts See page 46 2 1 6 5 4 3 E02 141 620 E02 138 667 E02 176 667 E02 138 666 8 9 10 INDOOR HEAT ...

Страница 44: ...NOZZLE WH VANE WH INDOOR COIL THERMISTOR VANE MOTOR POWER SUPPLY CORD POWER SUPPLY CORD TERMINAL BLOCK TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR RECEIVER P C BOARD ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD INDOOR FAN MOTOR INDOOR FAN MOTOR FAN MOTOR RUBBER MOUNT DISPLAY P C BOARD VARISTOR FUSE THERMAL FUSE THERMAL FUSE SURGE ABSORBER SURGE ABSORBER Symbol in Wiring Diagram Q ty un...

Страница 45: ...2 23 BACK PANEL CABINET GRILLE PROPELLER FAN MOTOR SUPPORT MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR COMPRESSOR BASE BASE STOP VALVE GAS STOP VALVE LIQUID STOP VALVE LIQUID SERVICE PANEL OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR OUTDOOR HEAT EXCHANGER OUTDOOR HEAT EXCHANGER TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR CAPILLARY TUBE CAPILLARY TUBE FUSE COM...

Страница 46: ...se 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 14 2 DEODORIZING FILTER DEODORIZING FILTER removes ammonia and hydrogen sulphide emitted from tobacco and odor of pets Clean DEODORIZING FILTER every two weeks If the filter is particularly dirty clean the filter more often For cleaning soak the filter ...

Страница 47: ......

Страница 48: ... 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN C C Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Dec 2000 No OB273 223 Made in Japan New publication effective Dec 2000 Specifications subject to change without notice ...

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