Mitsubishi Electric PEA-RP200WKA Page 48 Service Manual Download

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HWE17030.qxd 17.11.9 16:28 Page 46

Summary of Contents for PEA-RP200WKA

Page 1: ...HWE17030 qxd 17 11 9 16 28 Page 1 ...

Page 2: ...HWE17030 qxd 17 11 9 16 28 Page 2 ...

Page 3: ...CONTENTS HWE17030 qxd 17 11 9 16 28 Page 3 ...

Page 4: ...ters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge manifold Torque wrench Gas leak detector Charge hose Too...

Page 5: ... Charge hose Only for R410A Use pressure performance of 5 09MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment PART NAMES AND FUNCTIONS 2 Indoor Unit Air inlet Ai...

Page 6: ...lation 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 It blinks while the remote controller is starting up or when there is an error Press to save the setting Main display Press to change the operation mode Main menu Press to move the cursor down Press to return to the ...

Page 7: ...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 Administrator password Language selection Daylight saving time Service Input maintenance info Function setting Check Self check Maintenance password Remote controller check Test run Clock Auto descending panel Menu structure ...

Page 8: ... cannot be operated Initial setting Main Sub When connecting 2 remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Use to switch between Full and Basic modes for the Main display The initial setting is Full Contrast Use to adjust screen contrast Daylight saving time Sets the daylight saving time Initial setting Display details Ma...

Page 9: ...ternal static pressure Pa Booster heater kW Operation control Thermostat Sound pressure level Low Mid High dB A Field drain pipe O D mm Dimensions W mm D mm H mm kg 1 The value is measured at an external static pressure of 150 Pa INDOOR UNIT Weight 60Pa 75Pa 100Pa 150Pa PEA RP200WKA Cooling Heating Single phase 50Hz 220 240V 0 66 3 57 Galvanized sheets Plate fin coil Sirocco fan 2 0 87 50 61 72 83...

Page 10: ...5 70 75 0 50 100 150 200 40 45 50 55 60 65 70 75 0 50 100 150 200 40 45 50 55 60 65 70 75 Airflow rate m 3 min External static pressure Pa External static pressure Pa External static pressure Pa Airflow rate m 3 min Airflow rate m 3 min Airflow rate m 3 min External static pressure Pa Middle Rated point Rated point Low High Middle Rated point Low High Middle Rated point Low High Middle Low High PE...

Page 11: ...50 1766 55 1942 60 2119 65 2295 70 2472 75 2648 80 2825 85 3001 90 3178 0 0 50 0 201 100 0 401 150 0 602 200 0 803 Low Middle High Limit Rated point Rated point Airflow rate m3 min cfm External static pressure Pa in WG 50 1766 55 1942 60 2119 65 2295 70 2472 75 2648 80 2825 85 3001 90 3178 0 0 50 0 201 100 0 401 150 0 602 200 0 803 Low Middle High Limit Limit Rated point Rated point Airflow rate m...

Page 12: ...0 NC 30 High Middle Low 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 Approximate minimum audible limit on continuous noise NC 40 Octave band center frequencies Hz NC 20 NC 30 High Middle Low 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 Approximate minimum audible li...

Page 13: ... 150Pa NOTE The sound level is measured in an anechoic room where echoes are few when compressor stops The sound may be bigger than displayed level under actual installation condition by surrounding echoes The sound level can be higher than the displayed level during cooling and heating operation HWE17030 qxd 17 11 9 16 28 Page 11 ...

Page 14: ...0 More than 20 Note2 Access door 5 0 5 0 1 5 0 2 0 0 4 5 0 4 5 0 2 0 0 3 0 0 8 0 0 1 3 5 0 7 3 0 PEA RP200WKA Drain hose 32mm flexible joint accessory Drain hose Liquid pipe ø9 52 ø25 4 Gas pipe MODEL PEA RP250WKA ø12 7 Note 1 Use M10 screw for the suspension bolt field supply 2 Keep the service space for the maintenance from the bottom when the heat exchanger is cleaned 3 Make sure to install the...

Page 15: ... for optional parts 4 To perform a drainage test for the drain pump turn on the SWE on the control board while the indoor unit is being powerd Be sure to turn off the SWE after completing a drainage test or test run Switch for mode selection Switch for capacity code Switch for model selection Switch for model selection Connector emergency operation Intelligent power module SYMBOL EXPLANATION NAME ...

Page 16: ...trainer 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 200 250 Refrigerant LIQUID pipe connection Brazed PEA 200 250 HWE17030 qxd 17 11 9 16 28 Page 14 ...

Page 17: ...t is wrong and take a corrective action according to 9 3 SELF DIAGNOSIS ACTION TABLE Conduct troubleshooting and ascertain the cause of the trouble according to 9 4 TROUBLESHOOTING BY INFERIOR PHENOMENA 1 2 Reset check code logs and restart the unit after finishing service 3 There is no abnormality in electrical component controller board remote controller etc 1 Re check the abnormal symptom 2 Con...

Page 18: ...ation For description of each LED LED1 2 3 provided on the indoor controller board refer to the following table LED1 power for microcomputer Indicates whether control power is supplied Make sure that this LED is always lit LED2 power for remote controller Indicates whether power is supplied to the remote controller This LED lights only in the case of the indoor unit which is connected to the outdo...

Page 19: ...utput that indicates a signal has been successfully received from the wireless remote controller Confirmation of the connection to the wireless remote controller for an effective signal reception Confirmation of the connection to the wireless remote controller for an effective signal reception 500 Repeat ms ms Repeat Output pattern B When air conditioner detects an error the operation lamp on the ...

Page 20: ...after the above test run has been performed refer to the following table to remove the cause On the wireless remote controller with conditions above following phenomena takes place No signals from the remote controller are accepted OPE lamp is blinking The buzzer makes a short ping sound Note Operation is not possible for about 30 seconds after cancellation of function selection Correct operation ...

Page 21: ...ove 2 Check contact failure of connector CN44 on the indoor controller board Refer to 9 5 3 Turn the power on again 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 have defective 5 Check pipe liquid temperature with re...

Page 22: ...tive Indoor controller board is defective 5 Defective outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit clogs 8 Bypass circuit of outdoor unit is defective Cooling or drying mode 1 Check clogging of the filter 2 Remove shields 4 Refer to 9 8 DC Fan motor FAN MOTOR INDOOR CONTROLLER BOARD 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit Hea...

Page 23: ...tioned problem of 1 3 4 Diagnose remote controllers a When 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 replac...

Page 24: ...l if data cannot be read normal ly from the nonvolatile memory of the remote controller control board Error code E1 2 Abnormal if the clock function of remote controller cannot be operated normally Error code E2 1 Defective remote controller 1 Replace remote controller PA 2500 Water leakage This detection is performed during the operation stop heating fan or error stop mode etc other than cooling ...

Page 25: ... If the problem persists after taking step 2 above replace the motor 4 If the problem persists after taking step 3 above replace the indoor controller board 5 If the problem persists after taking step 4 above replace the power supply board 1 ACCT sensor Refer to 9 8 4 2 THHS sensor Refer to 9 8 4 8 Fan motor error Find out if there was a momentary power failure Check whether the power voltage is 1...

Page 26: ...D2 on indoor controller board is blinking When LED1 on indoor controller board is also blinking Connection failure of indoor outdoor unit connecting wire When LED1 is lit 1 Mis wiring of remote controller wires Under twin triple indoor unit system 2 or more indoor units are wired together 2 Refrigerant address for outdoor unit is wrong or not set Under grouping control system there are some units ...

Page 27: ...or Connect to the Resistor Connect to the Diode bridge Connect to the power supply board Connect to the INV board Connect to the indoor controller board Measure the charged voltage of the inverter electrolytic capacitor here TP001 Anode TP002 Cathode Connect to the drain pump optional parts 25 9 5 TEST POINT DIAGRAM 9 5 1 NF board HWE17030 qxd 17 11 9 16 28 Page 25 ...

Page 28: ...XC1 CNRSC CNRSP CN18V CNPW2 CNCX1 CNRSC CNRSP CN18V Connect to the NF board Connect to the indoor controller board Connect to the indoor controller board Connect to the INV board Connect to the INV board HWE17030 qxd 17 11 9 16 28 Page 26 ...

Page 29: ... VDC Between 1 and 3 Centralized control JAMA standard HA terminal A Thermistor liquid condenser evaporator temperature Float thermistor Thermistor Inlet temperature Indoor outdoor transmission 0 24VDC Wireless remote controller Connect to the NF board Connect to the power supply board Connect to the power supply board CN22 CN100 CN41 CN32 SW1 SW2 CN2L SWE CN51 CN3C CN90 CN44 CN4F CN20 CNXB2 CNXC2...

Page 30: ... board Connect to the FAN motor power line Connect to the power supply board Connect to the power supply board Connect to the FAN motor rotor position sensor input Connect to the current sensor Connect to the thermistor heat sink CNINV CNVDC CN15V CNRS2 CNCT2 CNCT1 CNTH SW2 HWE17030 qxd 17 11 9 16 28 Page 28 ...

Page 31: ...Abnormal Opened or short circuited 9 7 Thermistor 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance K Thermistor Characteristic graph Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature thermistor TH5 Thermistor R0 15k 3 Fixed number of B 3480k 2 Rt 15exp 3480 0 15k 10 9 6k 20 6 3k 25 5 2k 30 4 3k 40 3 0k Th...

Page 32: ... the inverter Inverter related errors Pb Main power breaker is tripped The main earth leakage breaker is tripped The fan motor vibrates excessively or makes abnormal sounds 1 Troubleshooting the inverter related problems Check the error code display on the remote controller to see if the error is an inverter related error Only the fan motor is inoperative Peripheral devices pick up electrical nois...

Page 33: ...sure to turn off the breaker 2 Disconnect the connector CNINV from the INV board 3 Turn SW2 1 on the INV board to ON 4 Turn on the breaker 5 Operate the indoor units The units will operate for approximately 30 seconds unloaded and then stop During the unloaded operation a constant line voltage of approximately 20V will be output Replace the INV board Replace the INV board Replace the INV board Rep...

Page 34: ...pped 1 Main power breaker is tripped 2 Nothing appears on the remote controller Check the components in the main inverter circuit Refer to 4 Simple check on the main inverter circuit components a Diode bridge b Inrush current limiting resistor c AC reactor ACL d Current sensor ACCT a Look for a possible short circuit and if found repair b If no problems are found with item a there may be problems ...

Page 35: ... tester and use the measured value for troubleshooting Read before taking measurements Check the polarity before taking measurements Black is positive on a regular multimeter when it is used to measure resistance Check that the circuit is not completely open Ω or short circuited 0 Ω These resistance measurement values are provided only as a guide and small deviations from these values are allowed ...

Page 36: ...the service parts To avoid damage to the IPM thoroughly check the wiring to the main circuit components in the diode bridge Apply a thin layer of heat radiation grease to the entire surface of the back of the IPM and diode bridge and screw the module securely into place Wipe off any grease that may get on the wiring terminal to avoid contact failure HWE17030 qxd 17 11 9 16 28 Page 34 ...

Page 37: ...y shipment Service parts Indoor controller board type JP3 Service board MODELS PEA 250 PEA 200 ON 1 2 3 4 5 ON 1 2 3 4 5 ON 1 2 3 4 5 ON 1 2 3 4 5 6 7 8 ON 1 2 ON 1 2 3 4 5 6 7 8 9 10 The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF 9 9 FUNCTIONS OF DIP SWITCH AND JUMPER WIRE Each function is controlled by the dip switch and the jumper wire on co...

Page 38: ...he control box cover according to the procedure in section 1 Fig 1 Fig 2 B C Indoor controller board Fig 3 DISASSEMBLY PROCEDURE 10 Exercise caution when removing heavy parts 2 Disconnect the connector CN20 from the Indoor controller board 3 Pull out the thermistor holder B and thermistor C on the control box HWE17030 qxd 17 11 9 16 28 Page 36 ...

Page 39: ...he cover D cover E and cover F to remove the maintenance cover 3 Removing the thermistor 1 Disconnect the thermistor connector CN44 from the Indoor 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 Fig 4 Fig 5 Exercise caution when removing heavy parts HWE17030 qxd 17 11 9 16 28 Page 37 ...

Page 40: ...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 direction of the arrow J Fig 6 K Fig 7 Note Drain the water out of the drain pan before removing it HWE17030 qxd 17 11 9 16 28 Page 38 ...

Page 41: ...in section 3 2 3 Disconnect the thermistor connector according to the procedure in section 3 3 1 4 Remove the drain pan according to the procedure in section 4 5 Removing the Heat exchanger 1 Remove the four fixing screws on the heat exchanger L to remove it Fig 8 L Fig 9 Exercise caution when removing heavy parts HWE17030 qxd 17 11 9 16 28 Page 39 ...

Page 42: ...cedure in section 1 2 Removing the fan motor and ACL cable 1 Disconnect the connector CNCT1 from the INV board and connector CNACL from the noise filter board Then disconnect the relay connector 2 Remove the cable through the rubber bush 3 Removing the top plate 1 Remove the ten fixing screws on the top plate M to remove it M INV board Noise filter board Fig 10 6 Removing the fan and fan motor 1 R...

Page 43: ...dure in section 1 2 Removing the fan motor and ACL cable 1 Disconnect the connector CNCT1 from the INV board and connector CNACL from the noise fil ter board Then disconnect the relay connector 2 Remove the cable through the rubber bush 3 Removing the bottom plate 1 Remove the ten fixing screws on the bottom plate R to remove it R Noise filter board INV board Fig 14 6 Removing the fan and fan moto...

Page 44: ... screws on the two attachment blocks to remove them 2 Remove the three fixing screws on the top plate 3 Separate the unit Indoor controller board Brackets one on each side Fig 19 8 Separating the unit 1 Removing the covers 1 Remove the two fixing screws on the control box cover to remove it 2 Remove the three fixing screws on the lead wire cover to remove it Control box cover Lead wire cover Fig 1...

Page 45: ...nd the setting data from the remote controller to the indoor units When the transmission is successfully completed the screen will return to the Function setting screen Select Function setting with the F1 or F2 button and press the SELECT button Checking the Indoor unit No When the SELECT button is pressed the target indoor unit will start fan operation If the unit is common or when running all un...

Page 46: ...ir intake Supported indoor unit is equipped with outdoor air intake Filter sign 100 Hr 07 2500 Hr No filter sign indicator External static pressure 08 10 Note When the function of an indoor unit were changed by function selection after the end of installation always indicate the contents by entering a or other mark in the appropriate check filed of the tables External static pressure Setting no of...

Page 47: ...45 OPTIONAL PARTS 12 Drain pump PAC KE05DM F HWE17030 qxd 17 11 9 16 28 Page 45 ...

Page 48: ...HWE17030 qxd 17 11 9 16 28 Page 46 ...

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