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SPLIT-TYPE AIR CONDITIONERS

SERVICE MANUAL

Model name
<Indoor unit>

PEY-P18JA(L)(T)
PEY-P24JA(L)(T)
PEY-P30JA(L)(T)
PEY-P36JA(L)(T)
PEY-P42JA(L)(T)
PEY-P48JA(L)(T)

Series PEY

2014

INDOOR UNIT

Содержание PEY Series

Страница 1: ...SPLIT TYPE AIR CONDITIONERS SERVICE MANUAL Model name Indoor unit Model name Indoor unit PEY P18JA L T PEY P24JA L T PEY P30JA L T PEY P36JA L T PEY P42JA L T PEY P48JA L T Series PEY 2014 INDOOR UNIT ...

Страница 2: ... curves 19 6 OUTLINES DIMENSIONS 23 6 1 Indoor unit 23 7 WIRING DIAGRAM 25 8 REFRIGERANT SYSTEM DIAGRAM 26 9 TROUBLESHOOTING 27 9 1 Troubleshooting 27 9 2 Malfunction diagnosis method by remote controller 28 9 3 Self diagnosis action table 31 9 4 Troubleshooting of problems 35 9 5 Emergency operation 37 9 6 How to check the parts 38 9 7 Test point diagram 40 9 8 Functions of dip switch and jumper ...

Страница 3: ...22 etc is used chlorine in refrigerant can cause deterioration of refrigerant oil etc Use a vacuum pump with a reverse flow check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Use the following tools specifically designed for use with R410A refrigerant The following tools are necaessary to use R410A refrigerant Tools for R410A Ga...

Страница 4: ...usive tools for R410A refrigerant No Tool name Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over 2 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 pu...

Страница 5: ...5 HWE1305A PART NAMES AND FUNCTIONS 2 PART NAMES AND FUNCTIONS 2 1 Indoor unit In case of bottom inlet Air intake sucks the air inside the room into the unit In case of rear inlet Air outlet ...

Страница 6: ...isplays the order of timer operation display Displays whether timer is on or off Buttons used to set the hour and minute of the current time and timer settings h and min buttons display display FAN SPEED display indicates which fan speed has been selected display The vertical direction of air flow is indicated display Blinks when model is selected display display CHECK and TEST RUN display indicat...

Страница 7: ...e Louver Vent Lossnay High power Timer Weekly timer OU silent mode Main display Main menu Function guide 7 8 9 0 7 8 9 0 1 ON OFF button Press to turn ON OFF the indoor unit 2 SELECT button Press to save the setting 3 RETURN button Press to return to the previous screen 4 MENU button Press to bring up the Main menu 5 Backlit LCD Operation settings will appear When the backlight is off pressing any...

Страница 8: ...rs when the operation mode is centrally controlled 8 Appears when the preset temperature is centrally controlled 9 Appears when the filter reset function is centrally controlled 0 Indicates when filter needs maintenance a Room temperature Current room temperature appears here See the Installation Manual b Appears when the buttons are locked c Appears when the On Off timer or Night setback function...

Страница 9: ...r Energy saving Auto return Schedule Night setback Restriction Temp range Operation lock Maintenance Auto descending panel Manual vane angle Initial setting Main Sub Clock Main display Contrast Display details Auto mode Administrator password Language selection Service Service menu Test run Drain pump test run Input maintenance info Function setting Lossnay City Multi only Check Self check Mainten...

Страница 10: ...g Auto return Use to get the units to operate at the preset temperature after performing energy save operation for a specified time period Time can be set to a value from 30 and 120 in 10 minute increments This function will not be valid when the preset temperature ranges are restricted Schedule Set the start stop times to operate the units in the energy save mode for each day of the week and set ...

Страница 11: ...est run Input maintenance Select Input maintenance Info from the Service menu to bring up the Maintenance information screen The following settings can be made from the Maintenance Information screen Model name input Serial No input Dealer information input Function setting Make the settings for the indoor unit functions via the remote controller as necessary LOSSNAY setting City Multi only This s...

Страница 12: ...isplay Shows the room temperature The room temperature display range is 8 39 C The display blinks if the temperature is lower than 8 C or 39 C or higher Louver display Indicates the action of the swing louver Does not appear if the louver is not running Power On indicator Indicates that the power is on Fan Speed indicator Shows the selected fan speed Ventilation indicator Appears when the unit is ...

Страница 13: ...W mm in 900 35 7 16 1100 43 5 16 D mm in 732 28 7 8 732 28 7 8 H mm in 250 9 7 8 250 9 7 8 Weight kg 27 29 lbs 60 64 Indoor unit Service Ref PEY P30JA L T PEY P36 42 48JA L T Mode Cooling Cooling Power supply Single phase 50 60Hz 220 240V Single phase 50 60Hz 220 240V Input kW 0 23 0 34 Running Current A 1 57 2 29 External ﬁnish Galvanized sheets Galvanized sheets Heat exchanger Plate fin coil Pla...

Страница 14: ...e Pa Middle Low High Limit PEY P18JA L T 10 15 20 External static pressure 70Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 Airflow rate m3 min External static pressure Pa Middle Low High Limit PEY P18JA L T 10 15 20 External static pressure 100Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Airflow rate m3 min External static pressure Pa Middle Low High Limit ...

Страница 15: ...t PEY P24JA L T External static pressure 70Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit PEY P24JA L T 5 External static pressure 100Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 10 15 20 25 30 Airflow rate m3 min External static pressure Pa Middle Low High Limit PEY P24JA L...

Страница 16: ... T External static pressure 70Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 10 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Middle Low High Limit PEY P30JA L T External static pressure 100Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 10 15 20 25 30 35 40 45 Airflow rate m 3 min External static pressure Pa Middle Low Hi...

Страница 17: ...tatic pressure 70Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 15 20 25 30 35 40 45 Airflow rate m 3 min External static pressure Pa Middle Low High Limit PEY P36 42 48JA L T External static pressure 100Pa 220 240V 50Hz 220V 60Hz 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 15 20 25 30 35 40 45 Airflow rate m3 min External static pressure Pa Mi...

Страница 18: ...18 HWE1305A SOUND PRESSURE LEVELS 5 SOUND PRESSURE LEVELS 5 1 Sound pressure level 1 Ceiling concealed Measurement location 2m 1m Aux duct 1 5m test unit ...

Страница 19: ...0µPa 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 PEY P18JA L T External static pressure 70Pa 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 Appro...

Страница 20: ...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 PEY P24JA L T External static pressure 70Pa 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 ...

Страница 21: ...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 PEY P30JA L T External static pressure 70Pa Octave band pressure level dB 0dB 20µPa 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 ...

Страница 22: ... 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 PEY P36 42 48JA L T External static pressure 70Pa Octave band pressure level dB 0dB 20µPa 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 2...

Страница 23: ...Y P18JA L T models have 1 fan 4 In case of the inlet duct is used remove the air filter supply with the unit then install the filter field supply at suction side Air Filter Drain pipe O D ø32 Air outlet Air inlet 2xE ø2 9 2 2 ø2 9 Refrigerant piping Flare connection liquid 2 1 Refrigerant piping Flare connection gas Control box Terminal block Indoor Outdoor connecting line Terminal block Remote co...

Страница 24: ...or unit 100 200 100 200 Access door 1 450 450 Access door 1 450 450 Electric box Electric box Electric box Electric box Electric box Maintenance access space Secure enough access space to allow for the maintenance inspection and replacement of the motor fan heat exchanger and electric box in one of the following ways Select an installation site for the indoor unit so that its maintenance access sp...

Страница 25: ...ine Power supply board Aux relay Switch for model selection Switch for capacity code Connector Emergency operation CN90 I B SYMBOL EXPLANATION F01 DSA CN41 CN51 NAME SW1 SW2 CN32 I B SYMBOL SYMBOL SYMBOL NAME NAME SWE TH1 Intake air temp thermistor TH2 Pipe temp thermistor liquid LED1 LED2 NAME SYMBOL TB15 P B X01 SW5 Switch for system selection R B Remote controller board TB6 Terminal block Remot...

Страница 26: ...48JA L T Thermistor TH2 Pipe temperature Liquid Distributor with strainer 50 Thermistor TH5 Cond Eva temperature Thermistor TH1 Room temperature Refrigerant flow in cooling Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare ...

Страница 27: ...d take a corrective action according to 9 4 Troubleshooting of problems page35 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 and etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred and wiring...

Страница 28: ...ant address 00 flashes Check that the remote controller s display has stopped before continuing 2 Press the temperature buttons Select the refrigerant address of the indoor unit for the self diagnosis Note Set refrigerant address using the outdoor unit s DIP switch SW1 For more information see the outdoor unit installation manual 3 Point the remote controller at the sensor on the indoor unit and p...

Страница 29: ...roller signal receiving error 10 11 12 Fb FB 3 Indoor unit control system error memory error etc 13 PL Refrigerant circuit abnormal E0 E3 Remote controller transmission error E1 E2 Remote controller control board error Output pattern B Errors detected by unit other than indoor unit outdoor unit etc Wireless remote controller Wired remote controller Symptom Remark Beeper sounds OPERATION INDICATOR ...

Страница 30: ...ar even when operation switch is turned ON operation lamp does not light up Only LED 1 is lighted LED 1 blinks twice LED 2 blinks once Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short On the wireless remote controller with condition above following phenomena take place No signals from the remote controller can be received OPE lamp is bli...

Страница 31: ...e 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 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 refrigerant circuit may have defective 5 Check pipe li...

Страница 32: ...completely 1 4 Check pipe liquid or condenser evaporator temperature with room temperature display on remote controller and outdoor controller circuit board Pipe liquid or condenser evaporator temperature display is indicated by setting SW2 of outdoor controller circuit board as follows Conduct temperature check with outdoor controller circuit board after connecting A Control Service Tool PAC SK52...

Страница 33: ...a at the same time compares the data and when detecting it judges different data to be abnormal 30 continuous times Error code E5 1 2 remote controllers are set as main In case of 2 remote controllers 2 Remote controller is connected with 2 indoor units or more 3 Repetition of refrigerant address 4 Defective transmitting receiving circuit of remote controller 5 Defective transmitting receiving cir...

Страница 34: ...in water waving due to filter clogging 1 Check the drain pump 2 Check whether water can be drained 3 Check the resistance of the float switch 4 Check the connector contact failure 5 Check the float switch leadwire mounted Check the filter clogging 6 Extension piping connection difference at twin triple quadruple system 7 Miswiring of indoor outdoor connecting at twin triple quadruple system 8 Room...

Страница 35: ...ng connection If no problem are found indoor controller board is defective For the separate indoor outdoor unit power supply system 1 Power supply of 220 240V AC is not supplied to indoor unit 1 Check the voltage of indoor power supply terminal block L N When AC220 240V is not detected Check the power supply wiring When AC220 240V is detected check 2 below 2 The connectors of the optional replacem...

Страница 36: ...nect remote controller wires again and if LED2 is blinking remote controller is defective if LED2 is lit connection failure of remote controller terminal block etc has returned to normal 3 Upward downward vane performance failure 1 The vane is not downward during defrosting and heat preparation and when the thermostat is OFF in HEAT mode Working of COOL protection function 1 Normal operation The v...

Страница 37: ...ndoor unit microprocessor has failed it is necessary to proceed with points 2 and 3 below as in the case of the wired remote controller 2 When you activate emergency operation of the cooling or heating you have to set the switch SWE on the indoor controller board and activate emergency operation of the outdoor unit For details on how to activate emergency operation of the outdoor unit refer to the...

Страница 38: ...egulator Hall IC Motor winding Power device Pre driver Vm Power supply for motor Vcc Power supply for control Vsp Speed command voltage PG Pulse output for rotation GND 9 6 1 Thermistor 1 Thermistor Characteristic graph Thermistor for lower temperature Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature thermistor TH5 Thermistor R0 15kΩ 3 Fixed number o...

Страница 39: ... CNMF Check the fuse FUSE on indoor controller board Power supply check Remove the connector CNMF Measure the voltage in the indoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC DC310 340V TEST POINT 2 VCC between 5 and 4 of the fan connector VCC DC15V Wiring recovery Replace drain pump DP Replace indoor controller board Replace the fan motor Replace indoor con...

Страница 40: ...oller board CNXB1 Connect to the indoor controller board CNXC1 Connect to the indoor controller board CNXA2 Connect to the indoor power board CNXB2 Connect to the indoor power board CNXC2 Connect to the indoor power board 1 VFG Voltage on the side of PC51 and C25 Same with the voltage between 7 and 4 of CNMF VCC Voltage between the C25 pins 15 VDC Same with the voltage between 5 and 4 of CNMF Vsp ...

Страница 41: ...alized control CN41 JAMA standard HA terminal A CN44 Thermistor liquid condenser evaporator temperature CN4F Float thermistor CN20 Thermistor Inlet temperature CN3C Indoor outdoor transmission 0 24VDC CN90 Wireless remote controller CNXA2 Connect to the indoor controller board CNXB2 Connect to the indoor controller board CNXC2 Connect to the indoor controller board CNXA1 Connect to the indoor powe...

Страница 42: ... T 1 2 3 4 5 ON OFF PEY P36JA L T 1 2 3 4 5 ON OFF PEY P42JA L T 1 2 3 4 5 ON OFF PEY P48JA L T 1 2 3 4 5 ON OFF J41 J42 Pair number setting with wireless remote controller Wireless remote controller setting Control PCB setting J41 J42 0 1 2 3 9 Settings at time of factory shipment Wireless remote controller 0 Control PCB for both J41 and J42 Four pair number settings are supported The pair number...

Страница 43: ...ol box 1 Removing the control box cover 1 Remove the two fixing screws on the cover A to remove it A Fig 1 Fig 2 10 2 Thermistor Intake air 1 Remove the control box cover according to the procedure in section 10 1 Control box page43 1 Pull out the thermistor holder B and thermistor C on the control box B C Fig 3 ...

Страница 44: ... 1 Removing the filter and the bottom plate 1 Push up the tab on the filter and pull out the filter in the direction of the arrow 1 2 Remove the fixing screws on the bottom plate D E to remove it D E Fig 4 2 Removing the drainpan 1 Pull out the drain pan in the direction of the arrow 2 Fig 5 ...

Страница 45: ...n according to the procedure in section 10 3 Drainpan page44 2 Removing the Heat exchanger cover 1 Remove the four fixing screws on the heat exchanger cover F to remove it F Fig 6 3 Removing the thermistor 1 Remove the thermistor G from the thermistor holder H on the copper tube Thermistor size Liquid pipe ø8mm Condenser evaporator ø6mm G H Fig 7 ...

Страница 46: ...m plate J to remove it J Fig 8 2 Removing the fan casing bottom half 1 Squeeze the tabs on the fan casing to remove it in the direction of arrow 2 Fig 9 3 Removing the motor cable 1 Remove the motor cable threw the rubber bush 4 Removing the fan motor and the Sirocco fan 1 Remove the two motor fixing screws to remove the motor and the Sirocco fan in the direction of arrow 3 Fig 10 2 Remove the fou...

Страница 47: ...e in section 10 3 Drainpan page44 2 Remove the heat exchanger cover according to the procedure in section 10 4 2 Removing the Heat exchanger cover page45 3 Removing the cover 1 Remove the five fixing screws on the cover K to remove it K Fig 12 4 Removing the Heat exchanger 1 Remove the fixing screws on the heat exchanger L to remove it L Fig 13 ...

Страница 48: ...http Global MitsubishiElectric com HWE1305A New publication effective Feb 2014 Specifications subject to change without notice ...

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