Mitsubishi Electric PEA-M200LA Technical & Service Manual Download Page 14 | Manualshive

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II

Part Names and Functions ]

- 11 -

HWE20020

GB

Error information

Filter information

Cleaning

Auto descending panel

Descending operation

Descending adjustment

Test run menu

Test run

Drain pump test run

Maintenance information

Model name input

Serial No. input

Dealer information input

Initialize maintenance info.

Maintenance menu

Service menu

Settings menu

Function setting (Mr. SLIM)

Function setting (CITY MULTI)

Lossnay (CITY MULTI only)

Check menu

Error history

Diagnosis

Self check

Remote controller check

Smooth maintenance (Mr. SLIM only)

Request code (Mr. SLIM only)

Other menu

Maintenance password

Initialize remote controller

Remote controller information

Not all functions are available on all models of indoor units.

HWE20020.book 11 ページ２０２０年１１月２７日　金曜日　午前１０時４５分

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Summary of Contents for PEA-M200LA

Page 1: ......

Page 2: ...1 Refrigerant System Diagram 24 IX Troubleshooting 1 Troubleshooting 25 1 Cautions on troubleshooting 25 2 Self check function 25 3 Self diagnosis action table 29 4 Test point diagram 33 5 Trouble criterion of main parts 34 6 Thermistor 34 7 DC fan motor fan motor indoor controller board 35 8 Functions of dip switch and jumper wire 36 X Disassembly Procedure 1 Disassembly Procedure 37 1 Control bo...

Page 3: ...HWE20020 GB HWE20020 book 2 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 4: ...nt operation before test run Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes Charge refrigerant from liquid phase of gas cylinder If the refrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered Do not use refrigerant other than R32 R410A If other refrigerant R22 etc is used chlorine in...

Page 5: ...ficiently 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 may be released 13 Do not install the unit in places where refrigerant may build up or places with poor v...

Page 6: ...rantion 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 is in acc...

Page 7: ...ed 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 cylinders For appliances containing f...

Page 8: ...rs 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 pressure relief valve and associated s...

Page 9: ...ions UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 Use pressure performance of 5 09MPa G or over 3 Electronic weighing scale 4 Gas leak detector Use the detector for 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 recovery equipment Electronic weighing scal...

Page 10: ... II Part Names and Functions 7 HWE20020 GB II Part Names and Functions 1 Part Names and Functions Indoor Unit Air inlet In case of rear inlet Air outlet HWE20020 book 7 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 11: ...enu screen The button function varies with the screen Function button F3 Main display Press to increase temperature Main menu Press to move the cursor right Menu screen The button function varies with the screen Function button F4 Main display Press to change the fan speed Menu screen The button function varies with the screen Main display Main menu Cursor Page Menu screen Function guide Operation...

Page 12: ... timer is disabled by the centralized control system Appears when the Weekly timer is enabled Appears while the units are operated in the energy save mode Will not appear on some models of indoor units Appears while the outdoor units are operated in the silent mode Appears when the built in thermistor on the remote controller is activated to monitor the room temperature a appears when the thermist...

Page 13: ...ght setback Restriction Temp range Operation locked Energy saving Auto return Schedule Basic setting Main Sub Clock Clock Daylight saving time Administrator password Operation Timer menu Energy saving Initial setting menu Display setting Main display Black and white inversion setting Display details Contrast Brightness Language selection Operation setting Auto mode HWE20020 book 10 ページ２０２０年１１月２７日...

Page 14: ...ut Initialize maintenance info Maintenance menu Service menu Settings menu Function setting Mr SLIM Function setting CITY MULTI Lossnay CITY MULTI only Check menu Error history Diagnosis Self check Remote controller check Smooth maintenance Mr SLIM only Request code Mr SLIM only Other menu Maintenance password Initialize remote controller Remote controller information Not all functions are availab...

Page 15: ...nits over temperature control Set the Start Stop times for each day of the week Select the desired silent level from Normal Middle and Quiet Clock setting is required Night setback 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 Clock setting is required 1ºC increments Energy saving Restrict...

Page 16: ...brightness Language selection Use to select the desired language Service Initialize remote controller Use to initialize the remote controller to the factory shipment status Remote controller information Use to display the remote controller model name software version and serial number Maintenance Error information Use to check error information when an error occurs Error code error source refriger...

Page 17: ...oller install the holder included with the remote controller on a wall and be sure to always place the remote controller in the holder after use CLOCK CHECK RESET SET TESTRUN MODE FAN VANE LOUVER min h AUTOSTART AUTOSTOP ON OFF TEMP NOT AVAILABLE MODELSELECT TESTRUN CHECK SET TEMPERATURE button SET TEMPERATURE button sets and any desired room temperature AUTO STOP AUTO START button Used for select...

Page 18: ... 200 Remote controller built in 34 39 43 39 43 47 41 46 47 35 40 43 36 41 44 32 1370 1120 470 87 No dB A Service Ref Mode Power supply Input 1 1 1 The value is measured at an external static pressure of 75 Pa kW Running Current A External ﬁnish Heat exchanger Fan Fan drive No Fan motor output kW Airﬂow Low Mid High m3 min L S External static pressure Pa Booster heater kW Operation control Thermost...

Page 19: ...0 80 100 120 140 160 180 0 20 40 60 80 100 120 140 160 180 200 220 240 PEA M200LA External static pressure 60Pa Power source 220 240V 50Hz Air flow rate m3 min PEA M200LA External static pressure 100Pa Power source 220 240V 50Hz Air flow rate m3 min PEA M200LA External static pressure 200Pa Power source 220 240V 50Hz Air flow rate m3 min PEA M200LA External static pressure 75Pa Power source 220 24...

Page 20: ...gh Middle Low 30 35 40 45 50 55 60 65 70 75 80 0 20 40 60 80 100 120 140 External static pressure Pa Air flow rate m3 min Limit Limit High Middle Low 30 35 40 45 50 55 60 65 70 75 80 Limit Limit High Middle Low 30 35 40 45 50 55 60 65 70 75 80 0 20 40 60 80 100 120 140 External static pressure Pa Limit Limit High Middle Low 30 35 40 45 50 55 60 65 70 75 80 0 20 40 60 80 100 120 140 External static...

Page 21: ...ssure Levels 18 HWE20020 GB V Sound Pressure Levels 1 Sound Pressure Levels 1 Sound pressure level Measurement location 2m 1m Aux duct 1 5m test unit Ceiling concealed HWE20020 book 18 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 22: ...ic pressure 200Pa 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Octave band pressure level dB 0dB 20μPa NC 40 NC 30 NC 20 Octave band center frequencies Hz High Low Middle Approximate minimum audible limit on continuous noise External static pressure 150Pa 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 1...

Page 23: ...ssure 200Pa 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 Octave band pressure level dB 0dB 20μPa NC 40 NC 30 NC 20 Octave band center frequencies Hz High Low Middle Approximate minimum audible limit on continuous noise External static pressure 150Pa 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250...

Page 24: ...box 2 4 ø3 holes Terminal block Transmission Terminal block Power source 1 Refrigerant piping gas brazing connection 2 Refrigerant piping liquid brazing connection 2 4 ø3 holes Knockout hole ø27 Transmission wiring Knockout hole ø27 Power source wiring Terminal block MA remocon 100 3 100 300 169 41 200 327 100 19 3 100 300 470 29 420 Duct 20 1100 Duct 102 425 110 1100 Duct 100 340 Duct 105 100 10 ...

Page 25: ...le below the unit between the unit and the ceiling At least 20mm of space should be left below the unit as shown in Fig 3 Create access door 3 for the maintenance from the bottom when the motor fan heat exchanger drain pump option and drain pan is cleaned exchanged Fig 4 Maintenance access space Control box Access door 3 Ceiling Ceiling beam Min 20mm Min 20mm 1120 50 50 450 200 300 1220 1350 50 12...

Page 26: ...ng line Inlet air temp thermistor Pipe temp thermistor liquid Cond eva temp thermistor Terminal block Remote controller transmission line CN2L Connector Lossanay RU Receiving unit BZ1 Buzzer LED1 LED Run indicator R B Remote controller board Terminal block Remote controller transmission line TB6 LED1 LED2 LED3 LED Transmission Indoor Outdoor I B Indoor controller board ACL SYMBOL NAME SYMBOL NAME ...

Page 27: ...pe temperature Liquid Distributor with strainer 100 Thermistor TH5 Cond Eva temperature Thermistor TH1 Room temperature Refrigerant flow in cooling Refrigerant flow in heating Heat exchanger Refrigerant GAS pipe connection Brazed PEA M200 250 Refrigerant LIQUID pipe connection Brazed PEA M200 250 HWE20020 book 24 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 28: ...ervicing 1 Before servicing the air conditioner be sure to turn off the remote controller first to stop the main unit and then turn off the breaker When removing the indoor controller board hold the edge of the board with care NOT to apply stress on the components When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires Lead wires 1 2 3 1 1 2 3 4...

Page 29: ... transmission error E1 E2 Remote controller control board error E9 Indoor unit control system error memory error etc Indoor outdoor unit communication error Transmitting error Outdoor unit UP Compressor overcurrent interruption U3 U4 Open short of outdoor unit thermistors UF Compressor overcurrent interruption When compressor locked U2 Abnormal high discharging temperature 49C worked insufficient ...

Page 30: ...cked Abnormal high discharging temperature 49C worked insufficient refrigerant Abnormal high pressure 63H worked Overheating safeguard operation Abnormal temperature of heat sink Outdoor unit fan protection stop Compressor overcurrent interruption Abnormal of power module Abnormality of super heat due to low discharge temperature Abnormality such as overvoltage or voltage shortage and abnormal syn...

Page 31: ...LED 3 communication between indoor and outdoor units AUTO RESTART FUNCTION Indoor controller board This model is equipped with the AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller the operation mode set temperature and the fan speed are memorized by the indoor controller board The auto restart function sets to work the moment the power has restored after power fa...

Page 32: ...ve refrigerant circuit is causing thermistor temperature of 90 C or more or 40 C or less Defective indoor controller board Check resistance value of thermistor For characteristics refer to error code P1 above Check contact failure of connector CN44 on 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...

Page 33: ...Defective indoor fan motor Fan motor is defective Indoor controller board is defective Defective outdoor fan control Overcharge of refrigerant Defective refrigerant circuit clogs Bypass circuit of outdoor unit is defective Cooling or drying mode Check clogging of the filter Remove shields Refer to 7 DC Fan motor fan motor indoor controller board Check outdoor fan motor Check operating condition of...

Page 34: ...en RC OK is displayed Remote controllers have no problem Turn the power off and on again to check If abnormality generates again replace indoor controller board b When RC NG is displayed Replace remote controller c When RC E3 is displayed d When ERC 00 06 is displayed c d Noise may be causing abnormality If the unit is not normal after replacing indoor controller board in group control indoor cont...

Page 35: ...volatile memory of the indoor controller board Defective indoor controller board Replace indoor controller board E1 or E2 Remote controller control board Abnormal if data cannot be read normal ly from the nonvolatile memory of the remote controller control board Error code E1 Abnormal if the clock function of remote controller cannot be operated normally Error code E2 Defective remote controller R...

Page 36: ...acity setting SW5 Function setting CN32 Remote start stop adapter CN22 For MA remote controller cable con nection 10 13 VDC Between 1 and 3 CN51 Centralized control CN41 JAMA standard HA terminal A CN44 Thermistor liquid condenser evaporator temperature CN4F Float switch CN20 Thermistor Inlet temperature CN3C Indoor outdoor transmission 0 24VDC CN90 Wireless remote controller HWE20020 book 33 ページ ...

Page 37: ...4 3kΩ 9 6kΩ Abnormal Opened or short circuited 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature C Resistance KΩ Thermistor Characteristic graph Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature thermistor TH5 Thermistor R0 15kΩ 3 Fixed number of B 3480kΩ 2 Rt 15exp 3480 0 C 15kΩ 10 C 9 6kΩ 20 C 6 3kΩ 25 C 5 2kΩ 30 C...

Page 38: ...ard Power supply check Remove the connector CNMF Measure the voltage in the indoor controller circuitboard TEST POINT VDC between 1 and 4 of the fan connector VDC DC310 340V TEST POINT VCC between 5 and 4 of the fan connector VCC DC15V Wiring recovery Replace indoor controller board Replace the fan motor Replace indoor controller board I B Replace fan motor MF Replace indoor controller board Repla...

Page 39: ...ontroller and indoor control PCB J41 J42 are given in the table on the left in the table indicates the jumper line is disco nnected There is no jumper JP1 because these models have the cond eva temperature thermistor TH5 Marks in the table below Jumper wire Short Open Without TH5 With TH5 Model Factory shipment Service parts Indoor controller board type Service board MODELS PEA M250LA PEA M200LA E...

Page 40: ...fixing screws on the cover A to remove it Exercise caution when removing heavy parts Fig 1 A 1 Remove the control box cover according to the procedure in section 1 2 Disconnect the connector CN20 from the Indoor controller board 3 Pull out the thermistor holder B and thermistor C on the control box Fig 2 B C Indoor controler board HWE20020 book 37 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 41: ...r controller board 2 Remove the thermistor G from the thermistor holder H on the copper tube Thermistor size Liquid pipe ø8 mm Condenser evaporator ø6 mm Exercise caution when removing heavy parts Fig 3 Fig 4 F E D G H Indoor controler board 1 Removing the bottom plate 1 Remove the twelve fixing screws on the bottom plate J to remove it 2 Removing the drain pan 1 Pull out the drain pan K in the di...

Page 42: ...ain pan according to the procedure in section 4 5 Removing the maintenance cover and bottom plate 1 Remove the fifteen fixing screws on the cover L cover M and bottom plate N to remove it 6 Removing the separator 1 Remove the four fixing screws on the separator P to remove it 7 Removing the heat exchanger 1 Remove the five fixing screws on the heat exchanger Q to remove it Exercise caution when re...

Page 43: ...o remove it 4 Removing the fan case 1 Remove the tape from the fan case 2 Squeeze the tabs on the fan case S to remove it 5 Removing the fan and fan motor 1 Remove the two fixing screws and attachment on the fan motor T 2 Pull out the fan motor in the direction of the arrow 6 Removing the fan case 1 Remove the eight fixing screws on the fan case U to remove it Exercise caution when removing heavy ...

Page 44: ...utton for ten seconds on the maintenance password setting screen Air conditioning units may need to be stopped to make certain settings There may be some settings that cannot be made when the system is centrally controlled Select Service from the Main menu and press the SELECT button Select Function setting with the F1 or F2 button and press the SELECT button Set the indoor unit refrigerant addres...

Page 45: ... con tents by entering a or other mark in the appropriate check filed of the tables Mode Settings Mode no Setting no Initial setting Check Power failure automatic recovery AUTO RESTART FUNCTION Not available 01 1 2 Available 1 2 2 Indoor temperature detecting Indoor unit operating average 02 1 Set by indoor unit s remote controller 2 Remote controller s internal sensor 3 LOSSNAY connectivity Not S...

Page 46: ...Optional parts 43 HWE20020 GB XII Optional parts 1 Optional parts 1 Optional parts Drain pump PAC KE06DM F1 Filter Box PAC KE250TB F Long Life Filter PAC KE85LAF HWE20020 book 43 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

Page 47: ... XII Optional parts 44 HWE20020 GB HWE20020 book 44 ページ２０２０年１１月２７日金曜日午前１０時４５分 ...

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