Mitsubishi Electric MSZ-GB50VA Series Скачать руководство пользователя страница 28 | Manualshive

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11-3. INDOOR UNIT ELECTRICAL PARTS

AND FUNCTIONAL PARTS

MSZ-GB50VA

4

2

5

3

9

1

6

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11-4. INDOOR UNIT HEAT EXCHANGER

10

8

7

12

13

14

15

16

21

24

23

11

15

15

19

17

18

20

RoHS PARTS LIST (RoHS compliant)

SW P.C.
BOARD

POWER MONITOR
RECEIVER P.C.
BOARD

INDOOR
ELECTRONIC
CONTROL P.C.
BOARD

OB454qxp 06.3.22 4:30 PM Page 28

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Содержание MSZ-GB50VA Series

Страница 1: ...AGRAM 8 8 SERVICE FUNCTIONS 9 9 TROUBLESHOOTING 10 10 DISASSEMBLY INSTRUCTIONS 24 11 RoHS PARTS LIST 27 12 OPTIONAL PARTS 30 Wireless type Models MSZ GB50VA E1 SPLIT TYPE HEAT PUMP AIR CONDITIONERS MSZ GB50VA NOTE This service manual describes technical data of the indoor units INDOOR UNIT Outdoor unit service manual MUZ GB VA series OB455 MXZ A VA series OB377 MXZ 8A140VA OC316 No OB454 ...

Страница 2: ...2 1 TECHNICAL CHANGES MSZ GA50VA MSZ GB50VA Indoor unit size has been changed W1 100 mm x H325 mm x D258 mm W780 mm x H298 mm x D210 mm E1 E1 ...

Страница 3: ...section Front panel Panel Heat exchanger Horizontal vane Operation section When the front panel is opened Remote controller Remote control receiving section Catechin air filter Air cleaning filter Option Anti Allergy Enzyme Filter Blue bellows type Emergency operation switch Fan guard Operation Indicator lamp ...

Страница 4: ...piping 1 5 1 2 2 1 1 REMOTE CONTROLLER ON TIMER button CLOCK SET button TIME SET buttons FORWARD button BACKWARD button OFF TIMER button This diagram shows an overall view Open the front lid RESET button VANE CONTROL button Signal transmitting section Operation display section Temperature buttons OPERATE STOP ON OFF button FAN SPEED CONTROL button OPERATION SELECT button ECONO COOL button Indicati...

Страница 5: ...et Running current 1 Power input 1 Power factor 1 Fan motor current 1 Model Dimensions WOHOD Weight Air direction Sound level Super High High Med Low Fan speed Super High Fan speed High Med Low Fan speed regulator Remote controller model K h K h A A W A mm kg dB A rpm rpm Electrical data Fan motor Special remarks Capacity NOTE Test conditions are based on ISO 5151 Cooling Indoor Dry bulb temperatu...

Страница 6: ...Air in Air out Wall hole 65 Indoor unit Installation plate Installation plate 11x20 Oblong hole 11x26 Oblong hole 10 or more 75 or more 66 or more W 75 or more W In case of left left back or left under piping using spacer 115 or more Insulation 28 Drain hose 16 Connected part O D Liquid line 8 0 0 5m Gas line 9 52 0 43m Insulation 35 O D 19 I D Required space Indoor unit MSZ GB50VA ...

Страница 7: ...0µPa BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 Test conditions Cooling Dry bulb temperature 27 Wet bulb temperature 19 48 SPL dB A LINE High FAN SPEED Heating Dry bulb temperature 20 Wet bulb temperature 15 MSZ GB50VA INDOOR UNIT WALL MICROPHONE 0 8m 1m ...

Страница 8: ... MOTOR VANE MOTOR HORIZONTAL VARISTOR NAME ROOM TEMPERATURE THERMISTOR INDOOR COIL THERMISTOR MAIN INDOOR COIL THERMISTOR SUB TRANSFORMER TERMINAL BLOCK NOTE 1 About the outdoor side 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 MSZ GB50VA 4 3 2 1 S2 POWER MONITOR RECEI...

Страница 9: ...e as at left Same as at left Same as at left Solder both J1 and J2 Table 1 How to set the remote controller exclusively for particular indoor unit After you turn the breaker ON the first remote controller that sends the signal to the indoor unit will be regarded as the remote controller for the indoor unit The indoor unit will only accept the signal from the remote controller that has been assigne...

Страница 10: ...re power failure the auto restart function does not work as the power button of the remote controller is off To prevent breaker off due to the rush of starting current systematize other home appliance not to turn on at the same time When some air conditioners are connected to the same supply system if they are operated before power failure the starting current of all the compressors may flow simul...

Страница 11: ...ch the front lid If horizontal vane is not installed correctly all of the operation indicator lamps will blink In this case install the horizontal vane correctly by following the procedures 1 to 2 NOTE Before installation of the horizontal vane turn OFF the power supply 5 How to install the horizontal vane In procedure 2 2 lock the stoppers until they click into place INFORMATION FOR MULTI SYSTEM ...

Страница 12: ...e blinking pattern and confirm the abnormal point with the indoor unit failure mode table 9 2 2 Make sure to check at least two consecutive blinking cycles W2 Turn ON the power supply Preparation of the remote controller 1 While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the same time press RESET button 2 First release RESET button And release the other t...

Страница 13: ... Refer to the characteristics of the main indoor coil thermistor the sub indoor coil thermistor 9 7 Indoor coil thermistor When the indoor coil thermistor short or open circuit is detected every 8 seconds during operation 3 time flash 2 5 second OFF Refer to 9 6 D How to check mis wiring and serial signal error Serial signal When the serial signal from outdoor unit is not received for a maximum of...

Страница 14: ...time flash Cause Outdoor unit Outdoor power system abnormality Left lamp 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit Left lamp 7 time flash Cause Outdoor unit Trouble of outdoor control system Refer to 9 6 D How to check mis wiring and serial signal error All lamps Flash on and off at 0 5 second intervals Cause Indoor unit The horizontal vane is not installed correctly Re...

Страница 15: ...tdoor unit do not operate Indoor unit and outdoor unit do not operate Left lamp flashes 5 time flash 2 5 second OFF Left lamp flashes 6 time flash 2 5 second OFF Indoor unit and outdoor unit do not operate Indoor unit and outdoor unit do not operate Indoor unit and outdoor unit do not operate Other abnormality An abnormality other than above mentioned is detected Confirm the abnormality in detail ...

Страница 16: ...AT at the same time the operation mode of the indoor unit that has operated at first has the priority Unify the operation mode Refer to outdoor unit service manual 2 5 second OFF Right lamp flash Flashing of OPERATION INDICATOR lamp all lamps indicates abnormality Flashing of OPERATION INDICATOR lamp right hand side lamp indicates abnormality OPERATION INDICATOR lamp left hand side lamp is lighted...

Страница 17: ...n 12 seconds after EMERGENCY OPERATION switch is pressed If more than 12 seconds passes by turn OFF the power supply and turn ON it again then measure the voltage w 1 Measure the voltage between CN211 1 and 3 2 Measure the voltage between CN211 5 and 3 Is there 325V DC between CN211 1 and 3 and does the voltage between CN211 5 and 3 rise to the range of 3 to 6V DC within 12 seconds after EMERGENCY...

Страница 18: ...rd from radio Are there any fluorescent lights of inverter or rapid start type within the range of 1m Replace the indoor electronic control P C board Replace the remote controller Reinstall the unit away from lights Attach a filter on receiving part Switch ON the remote controller Is LCD display on the the remote controller visible Remove the batteries then set them back and press RESET button Ref...

Страница 19: ...3 and 4 of the indoor fan motor connector Short open circuit Replace the indoor fan motor Short open circuit Replace the horizontal vane motor and the indoor electronic control P C board Turn OFF the power supply Check both parts side and pattern side of the indoor electronic control P C board visually Replace the varistor NR11 and fuse F11 Are the varistor NR11 burnt and the fuse F11 blown Be sur...

Страница 20: ...eck the power supply A Turn OFF the power supply Check once more if the indoor outdoor connecting wire is not mis wiring Short circuit outdoor terminal block S2 and S3 W1 B Turn ON the power supply Check the wiring Make them correct Turn OFF the power supply Remove the short circuit between outdoor terminal block S2 and S3 Turn ON the power supply Is there amplitude of 10 to 20V DC between outdoor...

Страница 21: ...lock the stopper of the horizontal vane to the indoor unit Refer to 9 1 5 Yes Are all lamps flashing Yes No No OK Turn ON the power supply To check the continuity of the interlock switch Fan measure the resistance of connector 1 2 connected to CN1R1 on the indoor electronic control P C board Turn OFF the power supply Turn OFF the power supply When All lamps flash ON and OFF every 0 5 second Indoor...

Страница 22: ...nit of the air conditioner indoor outdoor wiring grounding wire antennas wiring from antennas receiver 5 Electric field intensity of the broadcast station affected by the electromagnetic noise 6 Presence or absence of amplifier such as booster 7 Operation condition of air conditioner when the electromagnetic noise enters in 1 Turn OFF the power supply once and then turn ON the power supply In this...

Страница 23: ...ermistor RT12 MAIN 12 RT13 SUB 34 CN112 Horizontal vane motor CN151 9 7 Test point diagram and voltage SW P C board Power monitor receiver P C board 12V DC 5V DC Interlock switch Fan CN1R1 Power supply input Indoor fan motor CN211 Varistor NR11 Room temperature thermistor RT11 Timer short mode point JPG JPS Refer to 8 1 5 3 6V DC 415V DC 3 Fiducial terminal of cathode side on measur ing high volta...

Страница 24: ...and 2 of the terminal with locking mechanism The terminal without 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 MSZ GB50VA INDOOR UNIT OPERATING PROCEDURE PHOTOS Photo 1 1 Removing the panel 1 Remove the horizontal vane 2 Remove the screw caps of the panel Remove t...

Страница 25: ...nected to the heat exchanger from the electrical box See Photo 4 12 Unhook the catches of the electrical box and pull out the electrical box 13 Remove the screws of the terminal block cover and then the terminal block cover and the terminal block holder See Photo 2 14 Remove the terminal block by sliding it OPERATING PROCEDURE PHOTOS Screw of the electrical cover Switch holder Photo 3 3 Removing t...

Страница 26: ...orner box 2 Remove the switch holder and the electrical box Refer to 3 3 Pull out the drain hose from the nozzle assembly and remove the nozzle assembly 4 Remove the screws fixing the motor bed See Photo 6 5 Loosen the screw fixing the line flow fan See Photo 7 6 Remove the motor bed together with fan motor and motor band 7 Release the hooks of the motor band and remove the motor band then pull ou...

Страница 27: ... ASSEMBLY SCREW CAP FRONT PANEL CATECHIN AIR FILTER LEFT CATECHIN AIR FILTER RIGHT CORNER BOX RIGHT INSTALLATION PLATE Including No 3 4 2PCS SET 1 1 2 1 1 1 1 1 E12 A32 234 E12 915 000 E12 913 067 E12 915 010 E12 915 100 E12 916 100 E12 A32 975 E12 913 970 E12 915 426 E12 527 083 E1 1 1 RoHS G G 11 1 INDOOR UNIT STRUCTURAL PARTS 11 2 ACCESSORY AND REMOTE CONTROLLER 1 7 2 4 3 8 5 6 10 9 11 2 ACCESS...

Страница 28: ... FUNCTIONAL PARTS MSZ GB50VA 4 2 5 3 9 1 6 22 11 4 INDOOR UNIT HEAT EXCHANGER 10 8 7 12 13 14 15 16 21 24 23 11 15 15 19 17 18 20 RoHS PARTS LIST RoHS compliant SW P C BOARD POWER MONITOR RECEIVER P C BOARD INDOOR ELECTRONIC CONTROL P C BOARD ...

Страница 29: ...6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 INDOOR HEAT EXCHANGER UNION GAS UNION LIQUID 12 7 6 35 E12 751 509 E12 001 504 E12 897 702 E12 A88 235 E12 897 303 E12 897 316 E12 913 040 E12 A49 382 E12 661 385 E12 915 095 E12 897 784 E12 897 780 E12 897 779 E12 913 375 E12 A88 452 E12 897 308 E12 A56 307 E12 915 782 E12 915 300 E12 897 333 E12 897 302 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Страница 30: ... means of static electricity Normal life of AIR CLEANING FILTER is 1 year If AIR CLEANING FILTER is to be washed soak AIR CLEANING FILTER in water when showing dirt in lukewarm water and rinse it delicately without removing the filter from the frame about once every 3 months Clogged AIR CLEANING FILTER may reduce the air conditioner capacity or cause frost on the air outlet Do not remove or attach...

Страница 31: ...31 ...

Страница 32: ...ARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN C C Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Mar 2006 No OB454 6 Made in Japan New publication effective Mar 2006 Specifications subject to change without notice ...

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