Mitsubishi Electric MSZ-HJ25VA Скачать руководство пользователя страница 13 | Manualshive

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MSZ-HJ60VA MSZ-HJ71VA

Indoor

heat

exchanger

Flared connection

Room temperature
thermistor
RT11

Flared connection

Refrigerant flow in cooling

Refrigerant flow in heating

Refrigerant pipe ø15.88
(with heat insulator)

Refrigerant pipe ø6.35 (

MSZ-HJ60VA

)

ø9.52

(

MSZ-HJ71VA

)

(with heat insulator)

Indoor coil
thermistor
RT12

Indoor coil
thermistor
RT13

Unit : mm

OBH647D

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Содержание MSZ-HJ25VA

Страница 1: ... MSZ HJ25VA E1 E2 ER1 ER2 MSZ HJ35VA E1 E2 ER1 ER2 MSZ HJ50VA E1 E2 ER1 ER2 MSZ HJ60VA E1 E2 ER1 MSZ HJ71VA E1 E2 ER1 Outdoor unit service manual MUZ HJ VA Series OBH648 MXZ HJ VA Series OBH709 SERVICE MANUAL No OBH647 REVISED EDITION D PARTS CATALOG OBB647 NOTE RoHS compliant products have G mark on the spec name plate Models Revision D MSZ HJ25 35 50 60 71VA E2 and MSZ HJ25 35 50VA ER2 have been...

Страница 2: ...eds to be done without turning off the power exercise great caution not to touch the live parts Use the specified refrigerant only Never use any refrigerant other than that specified Doing so may cause a burst an explosion or fire when the unit is being used serviced or disposed of Correct refrigerant is specified in the manuals and on the spec labels provided with our products We will not be held...

Страница 3: ...del MSZ HJ25VA E1 MSZ HJ25VA E2 MSZ HJ35VA E1 MSZ HJ35VA E2 MSZ HJ50VA E1 MSZ HJ50VA E2 MSZ HJ60VA E1 MSZ HJ60VA E2 MSZ HJ71VA E1 MSZ HJ71VA E2 1 Optional air cleaning filter has been added MSZ HJ25VA ER1 MSZ HJ25VA ER2 MSZ HJ35VA ER1 MSZ HJ35VA ER2 MSZ HJ50VA ER1 MSZ HJ50VA ER2 1 Optional air cleaning filter has been added OBH647D ...

Страница 4: ...control receiving section Emergency operation switch Horizontal vane Air inlet Air lter Front panel Air outlet Heat exchanger Emergency operation switch Remote controller Air cleaning lter Silver ionized air purifier filter option HJ60 71VA E2 ACCESSORIES MSZ HJ25VA MSZ HJ35VA MSZ HJ50VA MSZ HJ60VA MSZ HJ71VA Installation plate 1 Installation plate fixing screw 4 25 mm 5 Battery AAA for remote con...

Страница 5: ...8 497 Low 208 364 Sound level Cooling Super High dB A 43 45 High 37 38 40 Med 30 31 36 Low 22 28 Heating Super High dB A 43 44 47 High 37 41 Med 30 34 Low 23 27 Fan speed Cooling Super High rpm 1 080 1 200 1 120 High 880 930 1 000 Med 710 730 860 Low 550 660 Heating Super High rpm 1 120 1 150 1 220 High 900 1 000 Med 710 800 Low 520 640 Fan speed regulator 4 Remote controller model MP13A E1 ER1 MS...

Страница 6: ...619 Sound level Cooling Super High dB A 50 High 44 Med 38 Low 31 33 Heating Super High dB A 49 High 44 Med 38 Low 31 33 Fan speed Cooling Super High rpm 1 250 High 1 000 Med 850 Low 690 730 Heating Super High rpm 1 250 High 1 050 1 070 Med 870 880 Low 700 750 Fan speed regulator 4 Remote controller model MP14B E1 MS16B E2 NOTE Test conditions are based on ISO 5151 Cooling Indoor Dry bulb temperatu...

Страница 7: ...30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING Test conditions Cooling Dry bulb temperature 27 C Wet bulb temperature 19 C Heating Dry bulb temperature 20 C 44 45 NC 10 MSZ HJ35VA 4 NOISE CRITERIA CURVES MSZ HJ50VA 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 ...

Страница 8: ... High FAN SPEED HEATING 50 49 NC 10 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 COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING 50 49 NC 10 INDOOR UNIT WALL MICROPHONE 0 8m 1m Test conditions Cooling Dry bulb temperature 27 C Wet bulb temperature 19 C...

Страница 9: ...m Flared connection Ø9 52 Drain hose Insulation Connected part Ø16 O D active length 370 MSZ HJ25 35VA MSZ HJ50VA Piping Insulation Ø37 O D Liquid line Ø7 0 39m Flared connection Ø6 35 Gas line Ø9 52 0 34m Flared connection Ø12 7 Drain hose InsulationØ28 Connected part Ø16 O D active length 370 Piping Insulation Ø50 O D Liquid line Ø8 0 39m Flared connection Ø6 35 Gas line Ø12 0 34m Flared connect...

Страница 10: ...10 MSZ HJ25VA E1 ER1 MSZ HJ35VA E1 ER1 MSZ HJ50VA E1 ER1 6 WIRING DIAGRAM MSZ HJ25VA E2 ER2 MSZ HJ35VA E2 ER2 MSZ HJ50VA E2 ER2 OBH647D ...

Страница 11: ...11 MSZ HJ60VA E1 ER1 MSZ HJ71VA E1 ER1 MSZ HJ60VA E2 MSZ HJ71VA E2 OBH647D ...

Страница 12: ...ipe ø6 35 with heat insulator Indoor coil thermistor RT12 Indoor coil thermistor RT13 Unit mm MSZ HJ50VA Indoor heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe ø12 7 with heat insulator Refrigerant pipe ø6 35 with heat insulator Indoor coil thermistor RT12 Indoor coil thermistor RT13 7 REFR...

Страница 13: ...ure thermistor RT11 Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe ø15 88 with heat insulator Refrigerant pipe ø6 35 MSZ HJ60VA ø9 52 MSZ HJ71VA with heat insulator Indoor coil thermistor RT12 Indoor coil thermistor RT13 Unit mm OBH647D ...

Страница 14: ... 4 unit Solder both J1 and J2 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 assigned to the indoor unit once they are set The se...

Страница 15: ...herefore the special counter measures are required to prevent the main voltage drop or the rush of the starting current by adding to the system that allows the units to start one by one JR77 Indoor electronic control P C board CN10A CN111 CN151 CN112 CN110 8 3 AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller the operation mode the set temperature and the fan spee...

Страница 16: ...nsmitting section Operation display section Temperature buttons OPERATE STOP ON OFF button Fan speed control button Operation select button Timer mode select button ECONO COOL button 9 MICROPROCESSOR CONTROL MSZ HJ25 35 50VA E1 ER1 MSZ HJ60 71VA E1 ER1 Time set buttons RESET button Vane control button Signal transmitting section Operation display section Temperature buttons OPERATE STOP ON OFF but...

Страница 17: ...e desired temperature The setting range is 16 31 C 1 Coil frost prevention The compressor operational frequency is controlled by the temperature of the indoor heat exchanger to prevent the coil from frosting When the temperature of indoor heat exchanger becomes too low the coil frost prevention mode works The indoor fan operates at the set speed and the compressor stops This mode continues until t...

Страница 18: ...eration with the vane angle at Angle 3 5 when the compressor cumulative operation time exceeds 1 hour the vane angle automatically changes to Angle 2 for dew prevention 7 SWING mode By selecting SWING mode with VANE CONTROL button the horizontal vane swings vertically 9 3 HEAT OPERATION 1 Press OPERATE STOP ON OFF HJ VA E1 ER1 STOP OPERATE OFF ON HJ VA E2 ER2 button OPERATION INDICATOR lamp of the...

Страница 19: ...nd will decrease in 1 hour increments as time passes EMERGENCY OPERATION switch 9 6 EMERGENCY TEST OPERATION In the case of test run operation or emergency operation use EMERGENCY OPERATION switch on the right side of the indoor unit Emergency operation is available when the remote controller is missing or has failed or when the batteries in the remote controller are running down The unit will sta...

Страница 20: ...ction is equipped to prevent the microcomputer from malfunctioning due to the voltage drop caused by the battery replacement 3 Do not use the leaking batteries Press RESET button with a thin instrument and then use the remote controller Remove the back lid and insert batteries Then reattach the back lid 10 1 CAUTIONS ON TROUBLESHOOTING 1 Before troubleshooting check the following 1 Check the power...

Страница 21: ...RESET button of the remote controller The outdoor unit is abnormal Check the blinking pattern and identify the abnormal point by referring to the outdoor unit failure mode table Refer to outdoor unit service manual Make sure to check at least 2 consecutive blinking cycles 3 Repair the failure parts Yes Blinks No OFF Setting up the failure mode recall function Judgment of indoor outdoor abnormality...

Страница 22: ...e main indoor coil ther mistor the sub indoor coil thermistor 10 7 3 time flash 2 5 second OFF Serial signal The serial signal from outdoor unit is not re ceived for a maximum of 6 minutes Refer to 10 6 How to check miswiring and serial signal error 11 time flash 2 5 second OFF Indoor fan motor The rotational frequency feedback signal is not emitted for the 12 seconds after the indoor fan motor is...

Страница 23: ...operation means the operation within 30 minutes after EMERGENCY OPERA TION switch is pressed Refer to outdoor unit service manual Upper lamp Flash on and off at 0 5 sec ond intervals Cause Indoor Outdoor unit Miswiring or trouble of serial signal Upper lamp 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor Upper lamp 3 time flash Cause Indoor unit Trouble of indoor ...

Страница 24: ...tronic control P C board 5 Outdoor power sys tem Upper lamp flashes 5 time flash 2 5 second OFF It consecutively occurs 3 times that the com pressor stops for overcurrent protection or start up failure protection within 1 minute after start up Refer to How to check of in verter compressor Refer to outdoor unit service manual Check the stop valve 6 Outdoor thermistors Upper lamp flashes 6 time flas...

Страница 25: ...ween the terminals with a tester Part temperature 10 30 C Color of the lead wire Normal RED BLK 235 255 Ω BLK BLK RED BLK BLK ROTOR OPERATION INDICATOR No Abnormal point Operation indicator lamp Symptom Condition Remedy 1 MXZ type Operation mode setting Upper lamp lights and lower lamp flashes 2 5 second OFF Outdoor unit operates but indoor unit does not operate The operation mode of the each indo...

Страница 26: ...s pressed the voltage measured at 2 above goes 0 VDC although the indoor P C board is normal Does the voltage between CN211 and on the power P C board rise to the range of 3 to 6 VDC within 12 seconds after EMERGENCY OPERATION switch is pressed Replace the indoor fan motor Yes No The indoor fan motor error has occurred and the indoor fan repeats 12 second ON and 30 second OFF 3 times and then stop...

Страница 27: ... light is turned on when the room is cool the unit may have difficulty receiving the signal from the remote controller or may not be able to operate with it if the inverter fluorescent light is turned on when the room is warm the unit may be able to operate with the remote controller Press OPERATE STOP ON OFF HJ VA E1 ER1 STOP OPERATE OFF ON HJ VA E2 ER2 button on the remote controller Turn ON a r...

Страница 28: ... the indoor electronic control P C board Measure the resistance of the vane motor coil Refer to 10 5 Short circuit Replace the vane motor and the indoor electronic control P C board 1 The fan motor connector s lead wire is red whereas is black 2 Connect of the tester to fan motor connector s lead wire and to lead wire otherwise the resistance cannot be measured properly 3 Please replace the fuse a...

Страница 29: ... in the outdoor unit repeat 3 6 second OFF and 0 8 second ON quick blinking for 3 minutes after the outdoor unit is energized Check the blinking pattern within 3 minutes after LED is turned on Af ter 3 minutes LED will blink 6 times whether the inverter P C board in the outdoor unit is normal or not No Replace the inverter P C board in the outdoor unit 2 Yes A 2 Be careful of 140 VDC 280 VDC resid...

Страница 30: ...e breaker Turn ON the breaker Does the LED on the outdoor display P C board or the outdoor control P C board repeat quick BLINKING and OFF 2 Replace the indoor electronic control P C board 1 4 2 The LED indicates the status of serial communication Check the communication status Replace the inverter P C board or the outdoor control P C board 3 4 If the trouble sometimes occurs possible causes are a...

Страница 31: ...ic conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor outdoor unit of the air conditioner indoor outdoor ...

Страница 32: ...VDC 15 VDC GND High voltage DC 325 VDC 0 or 15 VDC Indoor terminal block connecting TAB2 Timer short mode point Refer to 8 1 Room temperature thermistor RT11 CN111 Connector to Indoor coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to indoor power P C board CN10A 12V DC 5V DC To disable Auto restart function cut the Jumper wire to JR77 Refer to 8 3 Emergency operation switch E O SW SW1 ...

Страница 33: ...ck connecting TAB1 3 6 VDC 15 VDC GND High voltage DC 325 VDC 0 or 15 VDC Indoor terminal block connecting TAB2 Timer short mode point Refer to 8 1 Room temperature thermistor RT11 CN111 Connector to Indoor coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to indoor power P C board CN10A 12V DC 5V DC To disable Auto restart function cut the Jumper wire to JR77 Refer to 8 3 Emergency opera...

Страница 34: ...he terminal with this connector has the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Terminal with locking mechanism Detaching points The terminal which has the locking mechanism can be detached as shown below There are two types refer to 1 and 2 of the terminal with locking mech...

Страница 35: ...ical cover and remove the electrical cover 8 Disconnect the following connectors Indoor power P C board CN211 Indoor fan motor CN201 TAB1 TAB2 Terminal block CN20A To the indoor electronic control P C board 9 Remove the upper catch of the electrical box and pull out the electrical box To attach the electrical box pass the wires connecting the indoor power P C board and the indoor electronic contro...

Страница 36: ...he back side of the control P C board holder 5 Unhook the catches of the control P C board holder and open the control P C board holder 6 Remove the indoor electronic control P C board from the control P C board holder 4 Removing the vane motor 1 Remove the panel Refer to 1 Remove the corner box 2 Remove the control P C board holder and the electrical box Refer to 2 3 Pull out the drain hose from ...

Страница 37: ... of the fan motor from the motor band 10 Disengage the hooks of the motor band and remove the motor band Pull out the indoor fan motor 11 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it 12 Remove the screws fixing the left side of the heat exchanger 13 Lift the heat exchanger and pull out the line flow fan to th...

Страница 38: ...w caps on the panel and remove the screws of the panel 2 Pull the panel slightly toward you and then remove the panel by pushing it upward 38 11 2 MSZ HJ60VA MSZ HJ71VA NOTE Turn OFF the power supply before disassembly Photo 1 Screws of the panel Front panel OBH647D ...

Страница 39: ...cover and remove the electrical cover 10 Disconnect the CN211 Indoor fan motor from the indoor power P C board 11 Remove the upper catch of the electrical box and pull out the electrical box To attach the electrical box pass the wires connecting the indoor power P C board and the indoor electronic control P C board through A Pass the lead wires of the fan motor through B as shown in the Photo 3 12...

Страница 40: ...k side of the control P C board holder 5 Unhook the catches of the control P C board holder and open the control P C board holder 6 Remove the indoor electronic control P C board from the control P C board holder 4 Removing the vane motor 1 Remove the panel Refer to 1 Remove the corner box 2 Remove the control P C board holder water cover and the electrical box Refer to 2 3 Pull out the drain hose...

Страница 41: ...d remove the motor band Pull out the indoor fan motor 8 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it 9 Remove the screws fixing the left side and upper right side of the heat exchanger 10 Lift the heat exchanger and pull out the line flow fan to the lower left When attaching the line flow fan screw the line f...

Страница 42: ...ked position Do not pull the lead wire when removing the indoor coil thermistor Holder shape Clip shape When fixing the indoor coil thermistor to the clip shape holder shape part the lead wire should point down 1 Set the indoor coil thermistor in the center of the clip shape part 2 Check the marked mounting position 3 Mount the clip shape part Position and procedure for mounting the clip shape par...

Страница 43: ...43 ...

Страница 44: ...647 REVISED EDITION C Distributed in Dec 2013 No OBH647 REVISED EDITION B Distributed in Mar 2013 No OBH647 REVISED EDITION A Distributed in Dec 2012 No OBH647 Made in Japan New publication effective Dec 2015 Specifications are subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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