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SERVICE MANUAL

CONTENTS

1. REFERENCE MANUAL................................... 2

2. SAFETY PRECAUTION................................... 3

3. PARTS NAMES AND FUNCTIONS................. 8

4. SPECIFICATIONS........................................... 13

5. NOISE CRITERION CURVES......................... 16

6. OUTLINES AND DIMENSIONS...................... 18

7. WIRING DIAGRAM .........................................19

8. REFRIGERANT SYSTEM DIAGRAM............ 20

9. TROUBLESHOOTING....................................21

10. FUNCTION SETTING .....................................36

11. SPECIAL FUNCTION .....................................37

12. DISASSEMBLY PROCEDURE....................... 43

INDOOR UNIT

PARTS CATALOG (OCB650)

Notes:

• This manual describes ser

vice data of the indoor units

only.

• RoHS compliant products

have <G> mark on the spec

name plate.

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

SPLIT-TYPE, AIR CONDITIONERS

Model name

indication for

MAIN UNIT

Model name

indication for GRILLE

No. OCH650

March 2017

Indoor unit

[Model Name] [Service Ref.]

PLA-ZM35EA

PLA-ZM50EA

PLA-ZM60EA

PLA-ZM71EA

PLA-ZM100EA

PLA-ZM125EA

PLA-ZM140EA

PLA-ZM35EA.UK
PLA-ZM50EA.UK
PLA-ZM60EA.UK
PLA-ZM71EA.UK
PLA-ZM100EA.UK
PLA-ZM125EA.UK
PLA-ZM140EA.UK

Grille model

[Model Name] [Service Ref.]

PLP-6EA

PLP-6EAE

PLP-6EAL

PLP-6EALE

PLP-6EAJ

PLP-6EAJE

PLP-6EALM

PLP-6EALME

PLP-6EA PLP-6EAR1
PLP-6EAE PLP-6EAER1
PLP-6EAL PLP-6EALR1
PLP-6EALE PLP-6EALER1
PLP-6EAJ
PLP-6EAJE
PLP-6EALM
PLP-6EALME

R32/R410A

Содержание PLA-ZM100EA.UK

Страница 1: ...ve G mark on the spec name plate SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPLIT TYPE AIR CONDITIONERS Model name indication for MAIN UNIT Model name indication for GRILLE No OCH650 March 2017 Indoor unit...

Страница 2: ...PUHZ ZRP200 250YKA2 PUHZ ZRP100 125 140 VKA3 UK PUHZ ZRP100 125 140 YKA3 UK PUHZ ZRP200 250YKA2 UK OCH645 OCB645 PUHZ SHW112VHA PUHZ SHW112 140YHA PUHZ SHW112VHAR4 UK PUHZ SHW112 140YHAR4 UK OCH526 O...

Страница 3: ...gauge Gauge manifold Torque wrench Gas leak detector Charge hose Tools for R32 R410A Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc If dirt dust or moisture en...

Страница 4: ...f brazing the refrigerant pipes 12 When performing brazing work be sure to ventilate the room sufficiently Make sure that there are no hazardous or flammable materials nearby When performing the work...

Страница 5: ...geration Equipment Where electrical components are being changed they shall be fit for the purpose and to the correct specification At all times the manufacturer s maintenance and service guidelines s...

Страница 6: ...tional procedures shall be used However for flammable refrigerants it is important that best practice is followed since flammability is a considera tion The following procedure shall be adhered to rem...

Страница 7: ...ring refrigerant into cylinders ensure that only appropriate refrig erant recovery cylinders are employed Ensure that the correct number of cylinders for holding the total system charge are available...

Страница 8: ...INDOOR UNIT No Tool name Specifications 1 Gauge manifold Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Use pressure performance of 5...

Страница 9: ...ng Auto Fan speed setting Set Temperature buttons Set Time button Sets the time Airflow button Changes up down airflow direction Mode button Changes operation mode Timer ON button Timer OFF button OFF...

Страница 10: ...See the Installation Manual Note All icons are displayed for explanation 5 6 1 2 3 4 Press to turn ON OFF the indoor unit 1 ON OFF button This lamp lights up in green while the unit is in operation I...

Страница 11: ...High power Weekly timer Restriction Maintenance Initial setting ON OFF timer Auto OFF timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode A...

Страница 12: ...o Manual vane angle Use to set the vane angle for each vane to a fixed position 3D i see Sensor Use to set the following functions for 3D i see Sensor Air distribution Energy saving option Seasonal ai...

Страница 13: ...Power supply phase cycle voltage Input Running current External finish Grille Heat exchanger Fan Fan drive o No Fan motor output Airflow Low Medium2 Medium1 High External static pressure Booster heate...

Страница 14: ...NIT PLA ZM125EA UK Mode Power supply phase cycle voltage Input Running current External finish Grille Heat exchanger Fan Fan drive o No Fan motor output Airflow Low Medium2 Medium1 High External stati...

Страница 15: ...ration control Thermostat Noise level SPL Low Medium2 Medium1 High Field drain pipe O D Dimensions Weight W D H INDOOR UNIT PLA ZM140EA UK Cooling 0 10 0 66 Heating 0 10 0 64 Single phase 50Hz 230 V M...

Страница 16: ...APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz 4000 8000 PLA ZM71EA UK NOTCH SPL dB LINE High 36 Medium1 33 Medium2 30 Low 28 90 8...

Страница 17: ...0 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar BAND CENTER FREQUENCIES Hz MAIN UNIT 1 5 m MICROPHONE CEILING PLA ZM125EA UK NOTCH SPL dB LINE High 41 Medium1 39 Medium2 36 Low 33 OCTAVE BAND SO...

Страница 18: ...SOR SUSPENSION BOLT LOWER EDGE CONNECTED THE ATTACED DRAIN SOCKET CEILING DRAIN PIPE VP 25 CONNECTION GRILLE INDOOR UNIT OUTDOOR UNIT CONNECTING WIRE POWER SUPPLY WIRE ENTRY MAIN UNIT 1 2 SUSPENSION B...

Страница 19: ...ion between indoor unit and outdoor unit Abnormality of indoor controller board Abnormality in outdoor unit Refer to outdoor unit wiring diagram 1 Symbols used in wiring diagram above are Terminal blo...

Страница 20: ...Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare PLA ZM35EA UK PLA ZM50EA U...

Страница 21: ...it after finishing service 3 There is no abnormality in electrical component controller board remote controller etc 1 Re check the abnormal symptom 2 Conduct troubleshooting and ascertain the cause of...

Страница 22: ...nit fan motor error 12 Fb Indoor unit control system error memory error etc 14 PL Refrigerant circuit abnormal E0 E3 Remote controller transmission error E1 E2 Remote controller control board error Ou...

Страница 23: ...protection device is not connected Reverse or open phase wiring for the outdoor unit s power terminal block Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote cont...

Страница 24: ...resistance value of thermistor For characteristics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 9 7 TEST POINT DIAGRAM Turn the power on and chec...

Страница 25: ...THE PARTS 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit Heating mode 1 Check clogs of the filter 2 Remove blockage 4 Refer to 9 6 HOW TO CHECK THE PARTS 5 Check outdoor...

Страница 26: ...of connecting remote control ler max 2 units If the cause of trouble is not any of 1 3 above 4 Diagnose remote controllers a When RC OK is displayed Remote controllers have no problem Turn the power o...

Страница 27: ...eceive a signal for 3 minutes from outdoor controller circuit board a signal which allows outdoor controller circuit board to transmit signals Indoor controller board Abnormal if data cannot be read n...

Страница 28: ...ping 4 Abnormal operation no rotation of indoor fan Defective fan motor Defective indoor control board 5 Defective refrigerant circuit clogging 1 When this error occurs be sure to replace the 4 way va...

Страница 29: ...lock S1 and S2 When 220 240 V AC is not detected check indoor outdoor unit connecting wire for miswiring When 220 240 V AC is detected check 4 below 4 Check the fuse on indoor controller board Check t...

Страница 30: ...heck the connection of remote controller wires in case of twin triple indoor unit system When 2 or more indoor units are wired in one refrigerant system connect remote controller wires to one of those...

Страница 31: ...controller When the remote controller does not function it is possible to activate emergency operation by using the indoor unit emergency operation switch SW1 SW2 of the wireless signal receiver boar...

Страница 32: ...te 5 2 0 7 5 2 7 Blue Yellow M 1 2 3 Red Purple Black 1 Check if the drain float switch works properly 2 Check if the drain pump works and drains water properly in cooling operation 3 If no water drai...

Страница 33: ...and fan motor Self check Symptom The indoor fan cannot turn around 1 2 Power supply check Without fan motor connected Remove the fan motor Remove the fan motor connector CNMF and measure the voltage i...

Страница 34: ...output CNV Vane motor MV 12 V pulse output J41 J42 Jumper wire Pair No setting with wireless remote controller SW2 Capacity setting LED3 Communication Indoor outdoor SWE Jumper switch Emergency opera...

Страница 35: ...mote controller and indoor control PCB J41 J42 are given in the table on the left in the table indicates the jumper wire is dis connected Jumper wire Short Open The black square indicates a switch pos...

Страница 36: ...dard 2 High ceiling 3 No of air outlets 4 directions 09 1 3 directions 2 2 directions 3 Installed options high efficiency filter Not supported 10 1 Supported 2 Up down vane setting Downward setting va...

Страница 37: ...operation 1 Re storage operation Case Obstruction of the raising air intake grille before storage or malfunction of storage detection switch Re storage operation will be performed when the intake gril...

Страница 38: ...4 5 6 ON OFF 2 SW2 on U B LOWERING DISTANCE SET UP 2 0m 2 4m 1 2m 1 6m Initial setting 1 2 3 4 5 6 ON OFF 1 2 3 4 5 6 ON OFF 1 2 3 4 5 6 ON OFF LOWERING DISTANCE SET UP 3 6m 4 0m 2 8m 3 2m 1 2 3 4 5 6...

Страница 39: ...ille Filter is not properly installed Intake grille is not hung with all 4 hooks Because the intake grille has finished lowering to the auto stop position This is the noise made when the string is win...

Страница 40: ...d unit starts operation in conjunction with the 1st unit Once the actual room temperature goes down to 4 C below set point the 2nd unit stops operation automatically set point set temperature by R C r...

Страница 41: ...setting 2nd unit cut in setting Setting contents Setting No Request code No 7 316 No 8 317 No 9 318 Rotation and Back up OFF Normal group control operation Monitoring the request code of current setti...

Страница 42: ...ith the F1 or F2 button Set each number 0 through 9 with the F3 or F4 button Note The initial maintenance password is 9999 4 Then press the button 5 Select Check with the F1 or F2 button and press the...

Страница 43: ...ng the electrical box cover 1 Remove the air intake grille and the filter Refer to procedure 2 2 Loosen the 2 electrical box cover fixing screws M4 10 approximately 2 to 3 mm See Photo 1 3 Slide the e...

Страница 44: ...White for signal receiver Option CNP White for drain pump CN4F White for float switch CN44 White for thermistor TH2 TH5 CN01 Black for Indoor Outdoor connecting line CN3C Blue for Indoor Outdoor trans...

Страница 45: ...w 4 10 2 screws See Photo 10 3 Loosen the 2 clamps 4 Remove the 3 nuts and washers M5 5 Remove the fan motor 6 Remove the 3 rubber mounts 7 Removing the turbo fan 1 Remove the electrical box See Photo...

Страница 46: ...ner panel See Figure 4 5 Remove the 4 installation screws M5 28 See Photo 11 6 Release the 2 temporary hanging hooks to remove the grille See Photo 12 10 Removing the drain pan 1 Remove the electrical...

Страница 47: ...Pipe temperature liquid thermistor TH2 12 Removing the drain pump DP 1 Remove the drain pan Refer to procedure 10 2 Cut the hose band and remove the hose 3 Loosen the clamp of the drain pump 4 Remove...

Страница 48: ...e the piping cover tapping screw 4 10 3 screws 3 Remove the coil plate tapping screw 4 10 2 screws 4 Remove the heat exchanger fixing screws tapping screw 4 10 2 screws 5 Remove the coil support tappi...

Страница 49: ...49 OCH650...

Страница 50: ...CE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2017 MITSUBISHI ELECTRIC CORPORATION Published Mar 2017 No OCH650 Made in Japan Specifications are subject to change witho...

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