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2. Removing the electronic control P.C. board and the

display and receiver P.C. board

(1) Remove the panel. (Refer to 1.)
(2) Remove the screw of the electrical cover, and then the

electrical cover.

(3) Remove the screw of the earth wires under the electrical

box, and then the earth wires.

(4) Remove the screw of the earth wires connected to the

indoor fan motor (lower), and then the earth wires.

(5) Remove the screw of the earth wires connected to the

indoor heat exchanger, and then the earth wires.

(6) Unhook the lamp cover from the catch.
(7) Open the lamp cover and pull out the display receiver P.C.

board.

(8) Remove the screw of the earth wires connected to the

electronic control P.C. board, and then the earth wires.

(9) Pull the electronic control P.C. board slightly toward you

from the electrical box, and disconnect all the connectors
on the electronic control P.C. board.

(10) Pull out the electronic control P.C. board from the electri-

cal box.

OPERATING PROCEDURE

PHOTOS

Screw of the
electrical box

Screws of the
earth wires

Photo 4

3. Removing the electrical box

(1) Remove the panel. (Refer to 1.)
(2) Remove the electrical cover. (Refer to 2.)
(3) Remove the earth wires from the electrical box. (Refer to 2.)
(4) Remove the earth wires connected to the indoor fan motor

and the ones connected to the indoor heat exchanger.
(Refer to 2.)

(5) Remove the screw of the electrical box.
(6) Disconnect the following connectors on the electronic con-

trol P.C. board.

• Fan motor connectors < CN211, CN212 >

• Horizontal vane motor connector < CN151 >

• Damper motor connector < CN152 >

•

Display receiver P.C. board connectors < CN106, CN125 >

• Indoor coil thermistor connectors < CN112, CN113 >

• Room temperature thermistor connector < CN111 >

• Damper limit switch connectors < CN1X1, CN1Y1 >

(7) Unhook the electrical box from the upper catch and pull

out the electrical box from the box.

Photo 5

Display receiver

P.C. board connec-

tor CN125

Indoor coil thermistor
connector CN113

Fan motor

connector CN212

Photo 3

Display receiver

P.C. board connec-

tor CN106

Screw of the
electrical cover

Horizontal vane

motor connector

CN151
Damper motor

connector CN152

Fan motor

connector CN211

Lamp cover

OB409E

Содержание MFZ-KA25VA

Страница 1: ...of the indoor units RoHS compliant products have G mark on the spec name plate For servicing of RoHS compliant products refer to the RoHS Parts List SERVICE MANUAL Models No OB409 REVISED EDITION E INDOOR UNIT Revision E MFZ KA25VA E5 MFZ KA35VA E5 and MFZ KA50VA E5 have been added Please void OB409 REVISED EDITION D MFZ KA25VA E1 MFZ KA25VA E2 MFZ KA25VA E3 MFZ KA25VA E4 MFZ KA25VA E5 MFZ KA35VA ...

Страница 2: ...ed is changed depending on air outlet temperature of indoor unit MFZ KA25VA E3 MFZ KA25VA E4 MFZ KA35VA E3 MFZ KA35VA E4 MFZ KA50VA E3 MFZ KA50VA E4 1 Fan motor has been changed MFZ KA25VA E4 MFZ KA25VA E5 MFZ KA35VA E4 MFZ KA35VA E5 MFZ KA50VA E4 MFZ KA50VA E5 1 Software has been changed for ERP MFZ KA25 35 50VA E5 are the ERP models for Multi series Revision A MFZ KA25VA E2 MFZ KA35VA E2 and MFZ...

Страница 3: ... Display and operation section When the front grille is opened Remote controller Operation indicator lamp Emergency operation switch Air outlet selection switch Remote control receiving section Front grille Fan guard Air cleaning filter Anti Allergy Enzyme Filter blue bellows type Damper Air outlet Air inlet Panel Vertical vane OB409E ...

Страница 4: ...ning filter MFZ KA25VA MFZ KA35VA 1 1 2 1 2 2 1 5 4 4 1 1 1 MFZ KA50VA MFZ KA25VA MFZ KA35VA MFZ KA50VA This diagram shows an overall view ra verall view Open the front lid ON TIMER button CLOCK SET button TIME SET buttons FORWARD button BACKWARD button OFF TIMER button i save button RESET button VANE CONTROL button FAN SPEED CONTROL button OPERATION SELECT button ECONO COOL button Signal transmit...

Страница 5: ... Air direction 5 5 5 Sound level Super High dB A 37 38 43 44 Sound level High Med Low dB A 32 27 22 33 28 23 38 28 25 39 35 32 Upper Fan speed Super High rpm E1 E2 E3 1 080 E1 E2 E3 1 010 1 130 E1 E2 E3 1 030 E1 E2 E3 1 280 E1 E2 E3 1 260 E4 E5 1 110 E4 E5 1 030 E4 E5 1 050 E4 E5 1 320 E4 E5 1 310 Fan speed High Med Low rpm 940 800 700 870 740 630 970 830 720 890 740 650 1 140 1 020 940 1 070 930 ...

Страница 6: ... resistance at 20 ºC Ω 25VA H TH U V 1 53 UW 1 53 V W 1 53 35VA H TH U V 0 49 U W 0 49 V W 0 49 U V 0 45 U W 0 45 V W 0 45 U V 0 45 U W 0 45 V W 0 45 25VA H R1 TH 25VA2 TH U V 1 70 U W 1 70 V W 1 70 35VA H R1 TH 35VA2 TH U V 1 91 U W 1 91 V W 1 91 Fan motor Model RC0J50 AL RC0J50 AL RC0J60 AA RC0J60 AA Winding resistance at 20 ºC Ω WHT BLK 37 5 BLK RED 37 5 RED WHT 37 5 WHT BLK 37 5 BLK RED 37 5 R...

Страница 7: ...300 Ω 12 V 300 Ω ERZV14D471 Item Model Fuse Damper lock motor Right Damper lock motor Left Horizontal vane motor Damper motor Varistor MFZ KA25VA MFZ KA35VA MFZ KA50VA F11 ML1 ML2 MV1 MV2 NR11 Specifications and rated conditions of main electric parts OB409E ...

Страница 8: ...E LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling Dry bulb temperature 27 C Wet bulb temperature 19 C COOLING FUNCTION 37 37 SPL dB A LINE Super High FAN SPEED HEATING Heating Dry bulb temperature 20 C Wet bulb temperature 15 C 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 0...

Страница 9: ...nit Installation plate 96 123 125 60 19 12 60 128 118 165 205 200 12 12 11 Gas pipe 25 35 9 52 flared 3 8 50 12 7 flared 1 2 Liquid pipe 6 35 flared 1 4 drain Air in Air out Air out 46 5 46 5 600 700 54 506 140 607 100mm or more 100mm or more 100mm or more OUTLINES AND DIMENSIONS 5 Unit mm INDOOR UNIT MFZ KA25VA MFZ KA35VA MFZ KA50VA OB409E ...

Страница 10: ...N112 CN113 111 RT11 RT15 5 3 1 2 4 6 CN 1 2 3 4 RT12 RT13 RT14 CN 1Y1 CN 1X1 LS1 LS2 CN212 T11 F11 NR11 DB111 ML1 MV1 5 5 CN 151 MF2 MF1 5 5 ML2 152 MV2 5 5 CN 106 CN CN 125 6 2 6 4 2 1 5 3 CN211 6 4 2 1 5 3 DISP REC P C BOARD MFZ KA25VA E1 E2 MFZ KA35VA E1 E2 MFZ KA50VA E1 E2 Terminal block Connector MFZ KA25VA E3 E4 MFZ KA35VA E3 E4 MFZ KA50VA E3 E4 OB409E ...

Страница 11: ...sub Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe 9 52 MFZ KA25 35VA Refrigerant pipe 12 7 MFZ KA50VA with heat insulator Refrigerant pipe 6 35 with heat insulator Indoor coil thermistor RT12 main Distributor INDOOR UNIT Unit mm MFZ KA25VA MFZ KA35VA MFZ KA50VA MFZ KA25VA E5 MFZ KA35VA E5 MFZ KA50VA E5 OB409E ...

Страница 12: ...e and the indoor outlet air wet and dry bulb temperature for your reference at service How to measure the indoor air wet and dry bulb temperature difference 1 Attach at least 2 sets of wet and dry bulb thermometers to the indoor air inlet as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to the position where air ...

Страница 13: ...2 1 3 10 5 0 5 10 15 20 25 30 35 40 45 46 Total input cooling 26 24 22 20 18 SUZ KA50VA 1 TH Rated frequency 75Hz SUZ KA50VA 1 TH Rated frequency 75Hz Capacity correction factor Input correction factor 20 15 10 5 0 5 10 15 0 4 12 7 10 1 10 6 8 5 9 4 7 5 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 Heating capacity 15 20 26 20 15 10 5 0 5 10 15 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 Total input heating 15 ...

Страница 14: ...0 0 0 5 1 0 1 5 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 2 5 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 Input correction factors 0 50 100 150 Hz 0 0 0 5 1 0 1 5 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 2 5 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 SUZ KA25VA H TH SUZ KA25VA H R1 TH SUZ KA25VA2 TH SUZ KA35VA H TH SUZ KA35VA H R1 TH SUZ KA35VA2 TH SUZ...

Страница 15: ...midity Outdoor low pressure SUZ KA50VA 1 TH SUZ KA50VAR2 TH SUZ KA50VA2 TH 32 18 15 20 50 25 60 30 70 35 C 1 5 2 0 2 5 3 0 3 5 15 20 50 25 60 30 70 35 C 3 0 3 5 4 0 4 5 5 0 32 18 15 20 50 25 60 30 70 35 C 4 5 5 0 5 5 6 0 6 5 7 0 57 Hz KA25VA H TH 56 5 Hz KA25VA H R1 TH KA25VA2 TH 77 Hz KA35VA H TH 75 Hz KA35VA H R1 TH KA35VA2 TH 57 Hz KA25VA H TH 56 5 Hz KA25VA H R1 TH KA25VA2 TH 77 Hz KA35VA H TH...

Страница 16: ...79 0 24 603 3 20 0 77 0 24 621 28 18 2 94 2 23 0 76 464 2 81 2 14 0 76 487 2 70 2 05 0 76 510 2 60 1 98 0 76 534 28 20 3 06 1 96 0 64 487 2 94 1 88 0 64 516 2 85 1 82 0 64 528 2 75 1 76 0 64 551 28 22 3 19 1 66 0 52 505 3 08 1 60 0 52 537 3 00 1 56 0 52 551 2 88 1 50 0 52 574 28 24 3 35 1 34 0 40 528 3 23 1 29 0 40 557 3 15 1 26 0 40 574 3 05 1 22 0 40 603 28 26 3 45 0 97 0 28 557 3 35 0 94 0 28 5...

Страница 17: ...64 0 24 719 28 18 2 45 1 86 0 76 568 2 25 1 71 0 76 603 2 08 1 58 0 76 626 28 20 2 58 1 65 0 64 592 2 40 1 54 0 64 621 2 23 1 42 0 64 655 28 22 2 73 1 42 0 52 615 2 55 1 33 0 52 650 2 38 1 24 0 52 673 28 24 2 88 1 15 0 40 638 2 70 1 08 0 40 667 2 55 1 02 0 40 696 28 26 3 03 0 85 0 28 661 2 85 0 80 0 28 690 2 68 0 75 0 28 719 29 18 2 45 1 96 0 80 568 2 25 1 80 0 80 603 2 08 1 66 0 80 626 29 20 2 58...

Страница 18: ...3 1134 4 48 1 03 0 23 1166 28 18 4 11 3 08 0 75 872 3 94 2 95 0 75 916 3 78 2 84 0 75 959 3 64 2 73 0 75 1003 28 20 4 29 2 70 0 63 916 4 11 2 59 0 63 970 3 99 2 51 0 63 992 3 85 2 43 0 63 1036 28 22 4 46 2 28 0 51 948 4 31 2 20 0 51 1008 4 20 2 14 0 51 1036 4 03 2 05 0 51 1079 28 24 4 69 1 83 0 39 992 4 52 1 76 0 39 1046 4 41 1 72 0 39 1079 4 27 1 67 0 39 1134 28 26 4 83 1 30 0 27 1046 4 69 1 27 0...

Страница 19: ... 86 0 23 1352 28 18 3 43 2 57 0 75 1068 3 15 2 36 0 75 1134 2 91 2 18 0 75 1177 28 20 3 61 2 27 0 63 1112 3 36 2 12 0 63 1166 3 12 1 96 0 63 1232 28 22 3 82 1 95 0 51 1155 3 57 1 82 0 51 1221 3 33 1 70 0 51 1264 28 24 4 03 1 57 0 39 1199 3 78 1 47 0 39 1254 3 57 1 39 0 39 1308 28 26 4 24 1 14 0 27 1243 3 99 1 08 0 27 1297 3 75 1 01 0 27 1352 29 18 3 43 2 71 0 79 1068 3 15 2 49 0 79 1134 2 91 2 29 ...

Страница 20: ...1 33 0 21 1612 6 14 1 29 0 21 1659 28 18 5 64 4 12 0 73 1240 5 40 3 94 0 73 1302 5 18 3 78 0 73 1364 4 99 3 64 0 73 1426 28 20 5 88 3 59 0 61 1302 5 64 3 44 0 61 1380 5 47 3 34 0 61 1411 5 28 3 22 0 61 1473 28 22 6 12 3 00 0 49 1349 5 90 2 89 0 49 1434 5 76 2 82 0 49 1473 5 52 2 70 0 49 1535 28 24 6 43 2 38 0 37 1411 6 19 2 29 0 37 1488 6 05 2 24 0 37 1535 5 86 2 17 0 37 1612 28 26 6 62 1 66 0 25 ...

Страница 21: ... 1 08 0 21 1922 28 18 4 70 3 43 0 73 1519 4 32 3 15 0 73 1612 3 98 2 91 0 73 1674 28 20 4 94 3 02 0 61 1581 4 61 2 81 0 61 1659 4 27 2 61 0 61 1752 28 22 5 23 2 56 0 49 1643 4 90 2 40 0 49 1736 4 56 2 23 0 49 1798 28 24 5 52 2 04 0 37 1705 5 18 1 92 0 37 1783 4 90 1 81 0 37 1860 28 26 5 81 1 45 0 25 1767 5 47 1 37 0 25 1845 5 14 1 28 0 25 1922 29 18 4 70 3 62 0 77 1519 4 32 3 33 0 77 1612 3 98 3 0...

Страница 22: ...UZ KA50VAR2 TH SUZ KA50VA2 TH Rated frequency 81Hz CAPACITY 6 0 kW INPUT 1860 W INDOOR 10 Q INPUT 5 Q INPUT 0 Q INPUT 5 Q INPUT 10 Q INPUT 15 Q INPUT 20 Q INPUT 15 21 26 INDOOR 10 Q INPUT 5 Q INPUT 0 Q INPUT 5 Q INPUT 10 Q INPUT 15 Q INPUT 20 Q INPUT 15 21 26 3 78 3 60 3 24 1209 1302 1395 4 56 4 32 4 02 1451 1544 1637 5 34 5 10 4 74 1637 1711 1804 6 12 5 82 5 52 1767 1841 1934 6 90 6 60 6 30 1879 ...

Страница 23: ... The P C board has the print J1 and J2 Solder J1 and J2 according to the number of indoor unit as shown in Table 1 After modification press the RESET button How to modify the electronic control P C board Turn OFF the power supply before modification Cut off JR05 and JR06 on the electronic control P C board according to the number of indoor unit as shown in Table 2 Refer to 10 7 No 1 unit No 2 unit...

Страница 24: ...l 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 How to disable AUTO RESTART FUNCTION Turn off the main power for the unit Solder the Jumper wire to JR07 on the indoor electronic control P C board Refer to 10 7 JR07 CN106 CN111 CN112 CN113 CN125 C111 T11 CN212 CN211 CN152 CN151 IC1...

Страница 25: ...abinet the top panel and the electronic control P C board 3 When removing the electronic control P C board hold the edge of the board with care NOT to apply stress on the components 4 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires MFZ KA25VA MFZ KA35VA MFZ KA50VA 3 Troubleshooting procedure 1 Check if the OPERATION INDICATOR lamp on the...

Страница 26: ...hout beep The outdoor unit is abnormal The indoor unit is abnormal Check the blinking pattern and confirm the abnormal point with the indoor unit failure mode table 10 2 2 Make sure to check at least two consecutive blinking cycles 2 Deleting the abnormal memorized condition Turn ON the power supply While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the sam...

Страница 27: ... second Refer to the characteristics of the room temperature thermistor 10 7 Room temperature thermistor When the room temperature thermistor short or open circuit is detected every 8 seconds during operation Not lighted Normal Left lamp of OPERATION INDICATOR lamp 13 time flash 2 5 second OFF Replace to the characteristic of the main 3 indoor coil thermistor 10 7 Indoor coil thermistor Main 3 Whe...

Страница 28: ...le of indoor fan motor Left lamp 5 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 Check room temperature thermistor and indoor coil thermis tor Refer to 10 7 Test point diagram and voltage Refer to How to check the inverter comp...

Страница 29: ...onal frequency feedback signal is not emitted during the indoor fan operation Refer to 10 6 How to check miswiring and serial signal error Refer to 10 6 1 2 Check of indoor fan motor Indoor unit and outdoor 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 o...

Страница 30: ...RITERIA OF MAIN PARTS MFZ KA25VA MFZ KA35VA MFZ KA50VA RED YLW BRN ORN GRN ROTOR Part name Figure Check method and criteria Indoor fan motor Upper MF1 Measure the resistance with a tester Part temperature 10 C 30 C Normal 8 kΩ 20 kΩ Room temperature thermistor RT11 Indoor coil thermistor RT12 MAIN1 RT13 SUB RT14 MAIN2 RT15 MAIN3 Horizontal vane motor MV1 Damper motor MV2 Normal Measure the resista...

Страница 31: ...switch is pressed If more than 12 seconds passes by turn OFF the power supply and turn it ON again then measure the voltage 1 Measure the voltage between CN211 and 2 Measure the voltage between CN211 and Is there 325V DC between CN211 and and does the voltage between CN211 and rise to the range between 3 and 6V DC within 12 seconds after EMERGENCY OPERATION switch is pressed Yes Replace the indoor...

Страница 32: ...ter EMERGENCY OPERATION switch is pressed If more than 12 seconds passes by turn OFF the power supply and turn it ON again then measure the voltage 1 Measure the voltage between CN212 and 2 Measure the voltage between CN212 and Is there 325V DC between CN211 and and does the voltage between CN212 and rise to the range between 3 and 6V DC within 12 seconds after EMERGENCY OPERATION switch is presse...

Страница 33: ...di tioner earthed No Yes Earth the air conditioner Is there any inverter or rapid start type fluorescent light within the range of 1 m 2 Yes Reinstall the air condi tioner away from the fluorescent light Attach a glass filter on the receiving part Press the OPERATE STOP ON OFF but ton on the remote controller and measure the voltage between CN301 and on the display receiver P C board Is the voltag...

Страница 34: ...12 and 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 sure...

Страница 35: ...ght up Confirmation of the power supply to the indoor unit Press EMERGENCY OPERATION switch once Check the power supply Is the serial signal error indicated 6 minutes later A Turn OFF the power supply Check once again if the indoor outdoor connecting wire is not wrongly connected Short circuit the outdoor terminal block S2 and S3 1 B Turn ON the power supply of the outdoor unit Check the wiring Co...

Страница 36: ...or both damper limit switches open close as follows 1 No Replace the damper limit switch open 2 No Replace the damper limit switch close Yes Yes 1 Is there 0V DC between CN1X1 and 2 Is there 5V DC between CN1Y1 and Make the damper close by pressing VANE CONTROL button Yes Yes Replace the indoor electronic control P C board 1 Measure the voltage between CN1X1 and 2 Measure the voltage between CN1Y1...

Страница 37: ...f specific conditions such as antennas or wiring Check the followings 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...

Страница 38: ...rature thermistor RT11 Varistor NR11 Indoor coil thermistor RT14 MAIN 2 Indoor coil thermistor RT13 SUB Indoor coil thermistor RT12 MAIN 1 Indoor coil thermistor RT15 MAIN 3 Timer short mode point JPG JPS Refer to 9 1 Display receiver P C board 1FAN 2FAN change switch Emergency operation switch Horizontal vane motor CN151 Damper lock motor Right CN151 Damper motor CN152 Damper lock motor Left CN15...

Страница 39: ...it out Check the shape of the terminal before detaching Terminal with locking mechanism Detaching points Connector Sleeve Locking lever MFZ KA25VA MFZ KA35VA MFZ KA50VA NOTE Turn OFF power supply before disassembly OPERATING PROCEDURE PHOTOS Photo 1 Photo 2 1 Removing the panel 1 Push both sides of the upper part of the front grille and pull the front grille open and then remove the front grille f...

Страница 40: ... Screw of the electrical box Screws of the earth wires Photo 4 3 Removing the electrical box 1 Remove the panel Refer to 1 2 Remove the electrical cover Refer to 2 3 Remove the earth wires from the electrical box Refer to 2 4 Remove the earth wires connected to the indoor fan motor and the ones connected to the indoor heat exchanger Refer to 2 5 Remove the screw of the electrical box 6 Disconnect ...

Страница 41: ...e motor unit Photo 6 5 Removing the indoor fan motor upper 1 Remove the panel Refer to 1 2 Remove the electrical box Refer to 3 3 Remove the nozzle upper 4 Unhook the water cover from the catches and remove the water cover 5 Removing the screw of the motor band and then the motor band 6 Remove the line flow fan and the indoor fan motor upper from the box Photo 8 Screw of the horizontal vane motor ...

Страница 42: ... from the nozzle assem bly lower 5 Remove the screws of the damper lock motor 6 Lift the nozzle slightly and remove the lock shaft from with in the nozzle and remove the damper lock motors ML1 ML2 7 Remove the screws of the damper motor support and then the damper motor support 8 Remove the screws of the damper motor and then the damper motor from the damper motor support 9 Disconnect the connecto...

Страница 43: ...KM05G BOX ASSEMBLY PANEL ASSEMBLY FRONT GRILLE CATECHIN AIR FILTER BACK PLATE 1 1 1 1 1 1 1 1 1 1 M21 E0W 234 T2W A4T 000 T2W A4T 010 T2W A4T 100 T2W A4T 233 1 1 T2W A4T 426 M21 HL5 256 1 1 1 1 1 1 1 1 1 MFZ KA35VA E1 E1 E1 12 1 INDOOR UNIT STRUCTURAL PARTS 12 2 ACCESSORY AND REMOTE CONTROLLER 1 2 3 5 6 4 Optional parts See 14 12 2 ACCESSORY AND REMOTE CONTROLLER Part number that is circled is not...

Страница 44: ... MFZ KA25VA MFZ KA35VA MFZ KA50VA 12 3 INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS 1 2 3 4 5 6 7 14 15 12 19 16 18 24 21 23 22 8 9 12 13 10 11 17 25 26 20 18 15 PARTS LIST non RoHS compliant OB409E ...

Страница 45: ...Remarks Symbol in Wiring Diagram Q ty unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 M21 E0W 235 T2W A6T 040 T2W A4T 040 T2W A4T 079 M21 E0W 504 M21 E2W 235 T2W A6T 306 T2W A4T 506 T2W A6T 049 T2W A6T 047 T2W A4T 047 M21 WJ7 306 M21 W60 703 T2W A6T 041 T2W A4T 049 T2W A5T 309 M21 1L9 300 T2W A4T 515 T2W YH1 376 M21 H81 307 T2W A4T 450 T2W A5T 450 T2W A6T 450 T2W A4...

Страница 46: ...TOR SET 6 35 9 52 12 7 3PCS SET RT13 RT12 14 15 No Part No Part name Remarks Symbol in Wiring Diagram Q ty unit 1 2 3 4 5 6 7 T2W A4T 638 M21 E0W 620 M21 E8W 620 M21 VL4 664 M21 NJ9 663 M21 VL4 663 T2W A4T 791 T2W A5T 308 T2W A4T 308 1 1 1 1 1 1 1 1 1 1 1 1 1 1 MFZ KA25VA MFZ KA35VA MFZ KA50VA 1 1 1 1 1 1 1 E1 E1 E1 12 4 INDOOR UNIT HEAT EXCHANGER 6 7 PARTS LIST non RoHS compliant OB409E ...

Страница 47: ... 1 1 1 1 1 1 4 G M21 L3V 100 CATECHIN AIR FILTER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 G T2W L3V 233 BACK PLATE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13 2 ACCESSORY AND REMOTE CONTROLLER Part number that is circled is not shown in the illustration 6 G T2W A4T 426 REMOTE CONTROLLER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 KM05G 7 G M21 L3V 256 FELT TAPE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RoHS PARTS LIST RoHS compliant 13 MFZ KA...

Страница 48: ... MFZ KA25VA MFZ KA35VA MFZ KA50VA 13 3 INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS 1 2 3 4 5 6 7 14 15 12 19 16 18 24 21 23 22 8 9 12 13 10 11 17 25 26 20 18 15 RoHS PARTS LIST RoHS compliant OB409E ...

Страница 49: ...IN HOSE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14 G M21 L3V 041 DAMPER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 G M21 L4V 049 LOCK SHAFT 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 16 G M21 L4V 302 LINE FLOW FAN LOWER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 17 G M21 1L9 300 INDOOR FAN MOTOR ASSEMBLY LOWER MF2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RC0J30 18 G M21 L3V 023 MOTOR BAND 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 19 G T2W L2V 376 TERMINAL BLOCK TB ...

Страница 50: ...IR PIN COVER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 G M21 EAK 620 INDOOR HEAT EXCHANGER 1 1 1 1 1 1 1 1 1 1 G M21 EAL 620 1 1 1 1 1 3 G M21 L3V 664 UNION LIQ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 35 4 G M21 L3V 663 UNION GAS 1 1 1 1 1 1 1 1 1 1 9 52 G M21 L5V 663 1 1 1 1 1 12 7 5 G M21 L3V 791 WATER COVER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 G M21 L4V 305 INDOOR COIL THERMISTOR RT13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 7 ...

Страница 51: ...r 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 AIR CLEANING FILTER during unit operation Remove the catechin air filter 1 Remove the air cleaning filter 2 Install the catechin air filter Be s...

Страница 52: ...uted in Mar 2009 No OB409 REVISED EDITION C 7 Distributed in Dec 2008 No OB409 REVISED EDITION B 7 Distributed in Jun 2006 No OB409 REVISED EDITION A 8 Distributed in May 2005 No OB409 8 Made in Japan HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN New publication effective Nov 2012 Specifications are subject to change without notice ...

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Mitsubishi Electric MFZ-KA25VA, Руководство по обслуживанию

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