Mitsubishi Electric PSA Series Скачать руководство пользователя страница 43 | Manualshive

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OCH724

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Содержание PSA Series

Страница 1: ...s PARTS CATALOG OCB724 Model name indication No OCH724 CONTENTS 1 REFERENCE MANUAL 2 2 SAFETY PRECAUTION 2 3 PARTS NAMES AND FUNCTIONS 9 4 SPECIFICATIONS 10 5 NOISE CRITERION CURVES 12 6 OUTLINES AND DIMENSIONS 13 7 WIRING DIAGRAM 14 8 REFRIGERANT SYSTEM DIAGRAM 15 9 TROUBLESHOOTING 16 10 SPECIAL FUNCTION 27 11 DISASSEMBLY PROCEDURE 29 12 REMOTE CONTROLLER 34 Indoor unit Model Name PSA M71KA PSA M...

Страница 2: ...100 125 140YKA TH ET ER OCH670 OCB670 PUHZ P200 250YKA2 PUHZ P200 250YKA2 UK OCH647 OCB647 SUZ M71VA SUZ M71VAR1 TH OCH684 OCB684 PUZ M100 125 140VKA2 PUZ M100 125 140YKA2 PUZ M100 125 140VKA2 TH PUZ M100 125 140YKA2 TH PUZ M200 250YKA2 PUZ M200 250YKA2 UK OCH775 OCB775 PUHZ FRP71VHA PUHZ FRP71VHA OCH544 OCB544 SAFETY PRECAUTION 2 2 1 ALWAYS OBSERVE FOR SAFETY Before obtaining access to terminal a...

Страница 3: ...ts with wet hands Do not pour water into the electric parts Do not touch the refrigerant Do not touch the hot or cold areas in the refrigerating cycle When the repair or the inspection of the circuit needs to be done without turning off the power exercise great caution not to touch the live parts When opening or closing the valve below freezing temperatures refrigerant may spurt out from the gap b...

Страница 4: ...n case of 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 in a closed room small room or similar location make sure that there are no refriger ant leaks before performing the work If refrigerant leaks and accumulates it may ignite or poisonous gases ...

Страница 5: ...he Refrigeration 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 shall be followed If in doubt consult the manufacturer s technical department for assistance The following checks shall be applied to installations using flammable refrigerants The charge size ...

Страница 6: ...e conventional 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 remove refrigerant purge the circuit with inert gas evacuate purge again with inert gas open the circuit by cutting or brazing The refrigerant charge shall be recovered into the correct recovery ...

Страница 7: ...transferring 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 All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with p...

Страница 8: ...itting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Charge hose Use pressure performance of 5 09MPa G or over 3 Electronic weighing scale 4 Gas leak detector Use the detector for R134a R407 R410A or R32 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder R32 or R410A refrigerant Cylinder with syphon 8 Refrigerant rec...

Страница 9: ...nd right Removes dust and pollutants from intake air Intakes air from room Disperses air up and down PARTS NAMES AND FUNCTIONS 3 3 1 Indoor Unit 3 2 WIRED REMOTE CONTROLLER OPTION Refer to 12 1 REMOTE CONROLLER FUNCTIONS for details ...

Страница 10: ...ish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive х No Centrifugal direct х 1 Fan motor output kW 0 16 Airflow Low Middle High m min 25 28 30 External static pressure Pa mmAq 0 direct blow Booster heater kW Operation control Thermostat Remote controller built in Noise level Low Middle High dB 45 49 51 Unit drain pipe O D mm 20 Dimensions W mm 600 D mm 360 H mm 1 900 Weight kg...

Страница 11: ...0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive х No Centrifugal direct х 1 Fan motor output kW 0 16 Airflow Low Middle High m min 25 28 31 External static pressure Pa mmAq 0 direct blow Booster heater kW Operation control Thermostat Remote controller built in Noise level Low Middle High dB 45 49 51 Unit drain pipe O D mm 20 Dimensions W mm 600 D mm 360 H mm 1 900 Weight kg 48 ...

Страница 12: ...OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002 µbar BAND CENTER FREQUENCIES Hz PSA M100KA ER ET PSA M125KA ER ET NOTCH High Middle Low SPL dB 51 49 45 LINE NOISE CRITERION CURVES 5 1 m 1 m Main unit about 1 4 m MICROPHONE floor 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTI...

Страница 13: ...13 OCH724 Unit mm OUTLINES AND DIMENSIONS 6 ...

Страница 14: ... wiring for servicing 4 This diagram shows the wiring of Indoor and Outdoor connecting wires specification of 230V adopting superimposed system of power and signal When work to supply power separately to Indoor and Outdoor unit was applied refer to Fig 1 For power supply system of this unit refer to the caution label located near this diagram 1 3 5 1 4 1 CN22 BU CN32 WH CN51 WH CN41 WH CN2L RD OFF...

Страница 15: ...ondenser evaporator temperature thermistor TH5 Room temperature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare REFRIGERANT SYSTEM DIAGRAM 8 ...

Страница 16: ...NFERIOR PHENOMENA The trouble is not reoccurring Logged 1 Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring etc 2 Reset check code logs and restart the unit ...

Страница 17: ...ent sensor error Other errors Refer to the technical manual for the outdoor unit Others If the unit cannot be operated properly after test run has been performed refer to the following table to remove the cause Indicates whether control power is supplied Make sure that this LED is always lit Indicates whether power is supplied to the remote controller This LED lights only in the case of the indoor...

Страница 18: ...aracteristics refer to P1 above 2 Check contact failure of connector CN44 on the indoor controller board Refer to 9 6 TEST POINT DIAGRAM Turn the power on and check restart after inserting connector again 4 Check pipe liquid temperature with remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may be defective 5 ...

Страница 19: ... circuit board as follows 23Check reversed connection of extension pipe or reversed wiring of indoor outdoor unit connecting wire P9 Pipe temperature thermistor Condenser Evaporator TH5 1 The unit is in 3 minute resume protection mode if short open of thermistor is detected Abnormal if the unit does not get back to normal within 3 minutes The unit returns to normal operation if it has been reset n...

Страница 20: ...ly one indoor unit 3 The address must be set to a separate setting 4 6 Diagnose remote controller a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check When becoming abnormal again replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 or ERC 00 66 is displayed noise may be causing abnormality 1 Contact failu...

Страница 21: ... of refrigerant vacuum dry the whole refrigerant circuit 4 Refer to section 9 5 2 DC Fan motor FAN MOTOR INDOOR CONTROLLER BOARD 5 Check refrigerant circuit for operation To avoid entry of moisture or air into refrigerant circuit which could cause abnormal high pressure purge air in refrigerant circuit or replace refrigerant EE FH FL PB Pb 1 Unauthorized connection of indoor unit and outdoor unit ...

Страница 22: ... AC is not detected check indoor outdoor unit connecting wire for mis wiring When 220 240 V AC is detected check 4 below 4 Check the fuse on indoor controller board Check the wiring connection If no problem is found indoor controller board is defective When LED1 on indoor controller board is lit 1 Mis setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant add...

Страница 23: ...king remote controller is defective if LED2 is lit connection failure of remote controller terminal block etc has returned to normal 3 Receiver for wireless remote controller does not work normally 1 Weak batteries of wireless remote controller 2 Contact failure of connector on wireless remote controller receiver board Insert failure 3 Contact failure of connector CN90 on indoor controller board I...

Страница 24: ...t causes trouble of the indoor controller board and fan motor 2 Self check Symptom The indoor fan cannot rotate Yes Yes Yes No Fail Fail OK OK No No Indoor controller board fuse check Wiring contact check Contact of fan motor connector CNMF Power supply check Remove the connector CNMF Measure the voltage in the indoor controller board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC 310 3...

Страница 25: ...nal A CN22 Remote controller connecting wire 10 4 14 6 V DC CN01 Connect to the Terminal Block TB4 Indoor outdoor connecting line Between 3 and 5 220 240 V AC SWE Emergency operation Jumper wire J41 J42 Pair No setting for wireless remote controller FUSE 6 3A 250V CN51 Centrally control 1 2 Control signal 13V pulse input 1 3 4 Operation indicator 13 V DC 3 3 5 Malfunction indicator 13 V DC 3 CNP L...

Страница 26: ...he pair number settings of the wireless remote controller and indoor control PCB J41 J42 according to the table on the left Open in the table indicates the jumper line is disconnected Manufacture Service MODELS 1 2 3 4 5 1 2 3 4 5 PSA M71KA 1 2 3 4 5 ON OFF PSA M100KA ON OFF PSA M125KA 1 2 3 4 5 ON OFF PSA M140KA ON OFF The black square indicates a switch position 9 7 FUNCTIONS OF DIP SWITCH AND J...

Страница 27: ...ternately according to the interval of rotation setting Main and sub unit should be set by refrigerant address Outdoor DIP switch setting Refrigerant address 00 Main unit Refrigerant address 01 Sub unit When error occurs to one unit another unit will start operation Back up function System constraint This function is available only by the grouping control system INDOOR UNIT OUTDOOR UNIT 1 1 of 2 r...

Страница 28: ...ng interval 1day and back up function No 5 314 Rotation ON Alternating interval 3day and back up function No 6 315 Rotation ON Alternating interval 5day and back up function No 7 316 Rotation ON Alternating interval 7day and back up function No 8 317 Rotation ON Alternating interval 14day and back up function No 9 318 Rotation ON Alternating interval 28day and back up function Setting No Request c...

Страница 29: ...the electrical parts cover and remove the electrical parts cover 3 Disconnect the fan motor connector and the other connec tors on the indoor controller board See Photo 3 4 Unhook the 6 catches of the controller case by opening and remove the indoor controller board See Photo 3 Photo 2 3 Removing the room temperature thermistor 1 Remove the intake grille Refer to Procedure 1 2 Remove the electrica...

Страница 30: ...4 1 3 Disconnect the white connector CN1 on the R32 sensor 4 Unlock the catch 1 of the holder and remove the R32 sensor Refer to Photo 4 2 Installing the R32 sensor 1 Put the R32 sensor through the catch 2 2 Fix the R32 sensor with the catch 1 to install it into the holder Photo 4 1 Photo 4 2 Photo 4 3 30 OCH724 Sensor cover Screws Connector Catch1 Catch2 R32 sensor ...

Страница 31: ...motor nuts and remove the indoor fan motor 8 Disconnect the white connector CNMF on the indoor con troller board Photo 5 1 Photo 5 2 6 Removing the front panel 1 Remove the intake grille Refer to Procedure 1 2 Remove the electrical parts cover Refer to Procedure 2 3 Disconnect the blue connector CN22 on the indoor con troller board 4 Remove the 2 screws at the lower part of the front panel 5 Pull ...

Страница 32: ...parts cover Refer to Procedure 2 3 Remove the front panel Refer to Procedure 6 4 Remove the swing louver See Photo 7 1 5 Remove the 10 screws of the insulation panel and remove the insulation panel 6 Remove the screw of the piping cover and remove the pip ing cover 7 Remove the indoor coil thermistor from the holder on the copper pipe 8 Disconnect the connector CN44 on the indoor controller board ...

Страница 33: ...he indoor heat exchanger 10 Remove the indoor heat exchanger Photo 9 1 Photo 9 2 10 Removing the drain pan 1 Remove the intake grille Refer to Procedure 1 2 Remove the front panel Refer to Procedure 6 3 Remove the swing louver See Photo 7 1 and 7 2 4 Remove the top panel See Photos 7 1 5 Remove the insulation panel See Photo 8 1 6 Remove the electrical parts cover electrical parts box and the drai...

Страница 34: ...tion except for the ON OFF button 6 ON OFF lamp This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error 7 Function button F1 Main display Press to change the operation mode Menu screen The button function varies with the screen 8 Function button F2 Main display Press to decrease temperature Main menu Press to move t...

Страница 35: ...Cool Mode Temp Fan Set temp Auto 2 1 5 6 7 8 9 0 1 3 9 4 2 3 4 5 6 7 2 1 5 Display 4 3 8 4 Appears when the Weekly timer is enabled 5 Appears while the units are operated in the energy saving mode Will not appear on some models of indoor units 6 Appears while the outdoor units are operated in the silent mode 7 Appears when the built in thermistor on the remote controller is activated to monitor th...

Страница 36: ... OFF timer Auto return Clock Main Sub Temp range Auto OFF timer Schedule Daylight saving time Clock Administrator password Operation locked 3D i See sensor Horizontal air direction High power Vane 3D i See Vent Lossnay Comfort Timer Energy saving Basic setting Display setting Operation setting Restriction Weekly timer OU silent mode Timer menu Main display Display details Contrast Brightness Langu...

Страница 37: ...me input Function setting Rotation setting Maintenance password Dealer information input Error information Test run menu Maintenance information Filter information Cleaning Settings menu Check menu Other menu Auto descending panel Descending operation Self check Descending adjustment Remote controller check Continue from the previous page Not all functions are available on all models of indoor uni...

Страница 38: ...elect the desired silent level from Normal Middle and Quiet Night setback 1 Use to make Night setback settings Select Yes to enable the setting and No to disable the setting The temperature range and the start stop times can be set Energy saving Restriction Temp range 2 Use to restrict the preset temperature range Different temperature ranges can be set for different operation modes Operation lock...

Страница 39: ...layed The model name manufacturing number and contact information need to be registered in advance to be displayed Filter information Use to check the filter status The filter sign can be reset Cleaning Auto descending panel Use to lift and lower the auto descending panel Optional parts Service Test run Select Test run from the Service menu to bring up the Test run menu Test run Drain pump test ru...

Страница 40: ...ignal transmitted from the remote controller has been received Signals can be received up to approximately 7 meters in a direct line from the indoor unit in an area 45 to the left and right of the unit However illumination such as fluorescent lights and strong light can affect the ability of the indoor unit to receive signals If the operation lamp near the receiver on the indoor unit is blinking t...

Страница 41: ...ing Auto Set Temperature buttons Weekly timer ON OFF button 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 ON button Fan Speed button Changes fan speed SET SEND button CANCEL button Up Down buttons Menu button i see button Reset button Remote controller display Transmission area 3D i See sensor ...

Страница 42: ...l name and serial number will appear The model name and serial number will appear only if the informa tion have been registered Press the F1 or F2 button to go to the next page When an error occurs the following screen will appear Check the error status stop the operation and consult your dealer Contact information dealer s phone number will appear if the information has been registered 2 Press th...

Страница 43: ...ormation Filter information Cleaning While no errors are occurring page 2 2 of the error information can be viewed by selecting Error information from the Maintenance menu Errors cannot be reset from this screen Checking the error information F1 F2 F3 F4 ...

Страница 44: ...e to make the maintenance setting Maintenance password is required 3 If the password matches the Service menu will appear A screen will appear that indicates the setting has been saved Navigating through the screens To go back to the Service menu button To return to the previous screen button Note The initial maintenance password is 9999 Change the default password as necessary to prevent unauthor...

Страница 45: ...ss the F1 button to go through the operation modes in the order of Cool and Heat Check the auto vane with the F1 F2 F3 buttons Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appear The test run will automatically stop after 2 hours The function is available only for the model with vanes Test run operation Auto vane che...

Страница 46: ... from the unit 6 Press the VANE button and check whether the auto vane operates properly 7 Press the ON OFF button to stop the test run Note Point the remote controller towards the indoor unit receiver while following steps 2 to 7 It is not possible to run in FAN DRY or AUTO mode 1 A B 2 3 12 4 3 PAR SL101A E 1 Press the button 1 to stop the air conditioner If the weekly timer is enabled is on pre...

Страница 47: ...Non highlighted items indicate that no function settings are made Screen appearance varies depending on the Unit No setting 4 Use the F1 or F2 button to move the cursor to select the mode number and change the setting number with the F3 or F4 button 5 When the settings are completed press the button to send the setting data from the remote controller to the indoor units 6 When the transmission is ...

Страница 48: ... units 8 When the transmission is successfully completed the screen will return to the Function setting screen Pattern 2 Note Refer to the indoor unit Installation Manual for the detailed information about initial settings mode numbers and setting numbers for the indoor units Be sure to write down the settings for all functions if any of the initial settings has been changed after the completion o...

Страница 49: ...s remote controller toward the receiver of the indoor unit and press the h button 3 Set the unit number Press the TEMP button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the min button Notes 1 If a unit number that cannot be recognized by the unit is entered 3 beeps of 0 4 ...

Страница 50: ...de number B Fig 3 Direct the wireless remote controller toward the receiver of the indoor unit and press the button Current setting number 1 1 beep 1 second 2 2 beep 1 second each 3 3 beep 1 second each 4 Selecting the setting number Use the button to change the Setting number C Fig 4 Direct the wireless remote controller toward the receiver of the indoor unit and press the button 5 To select mult...

Страница 51: ... F1 or F2 button and press the button 3 16 error history records will appear 4 records are shown per page and the top record on the first page indicates the latest error record To delete the error history press the F4 button Delete on the screen that shows error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the history Err...

Страница 52: ...tton Delete on the screen that shows preliminary error history A confirmation screen will appear asking if you want to delete the preliminary error history Press the F4 button OK to delete the preliminary error history Preliminary error history deleted will appear on the screen Press the button to go back to the Error history menu Preliminary error hist Page Delete Error history menu Error Unt dd ...

Страница 53: ...ute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the error history If deletion fails Request rejected will appear Unit not exist will appear if no indoor units that are corres...

Страница 54: ...dress B indoor unit and the number of blinks of the OPERATION INDICATOR lamp check is completed f 12 7 3 PAR SL101A E Procedure 1 Press the CHECK button twice CHECK lights and refrigerant address 00 blinks Check that the remote controller s display has stopped before continuing 2 Press the TEMP buttons Select the refrigerant address of the indoor unit for the self diagnosis Note Set refrigerant ad...

Страница 55: ...32 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line and the other remote controllers NG ALL0 ALL1 Send receive circuit fault The remote controller needs replacing ERC The number of data errors is the discrepancy between the number of bits in the data transmitted from the remote controller and that of the data that was act...

Страница 56: ... the button Fixed operation will start Note Stable mode will take approx 20 minutes F1 F2 F3 F4 Check menu Cursor Service menu Error history Diagnosis Smooth maintenance Request code Smooth maintenance Return Smooth maintenance Return Smooth maintenance Return Page Page Page COMP current COMP run time COMP On Off COMP frequency A Hz Hr times Hr Ref address Cool Ref address Cool Ref address Cool Su...

Страница 57: ... 01 Outdoor unit Indoor unit 01 Outdoor unit Indoor unit 01 Remote controller Details on the operation data including each thermistor temperature and error history can be confirmed with the remote controller Select Request code with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button 2 Set the Refrigerant address and Request code Select the item to b...

Страница 58: ...ICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2021 MITSUBISHI ELECTRIC CORPORATION Published Sep 2021 No OCH724 Made in Japan Specifications are subject to change without notice ...

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