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SERVICE MANUAL - Masterxoloda.ru

1. CNRU WHT H TO f tro00n L J UNI 1 Fig 1 CN01 4 LB BLK TB2 tfo aa ET L POWER SUPPLY 3 0 N 1PHASE 5o GANVLW I _ 230V 50Hz SW JA e 9 n TB4 LDSWE B SWE2 O si we LJ ORN Nisa i OUTDOOR 1 011 RU BRN UNIT o REC1 S3f 2 7 3 INDOOR OUTDOOR Oj LEDI onso BLU COMMUNICATION 6 ole amp cNao1 LED2 GRN When attaching Whi hing drai 1 drain pump option puma opti Ea TBS 186 M t t t remove the jumper 4 pie See astman EN Ee 2s THI TH2 TH5 connector CN4F FLOATSW lt OPTION PARTS and fit the drain CN4F PPI float switch FS WHT 315 Fs sia N E oo ate Table 1 SW1 Table 2 MODEL SELECTION SW2 CAPACITY CODE SETTING MODELS SETTING MODELS SETTING MODELS SETTING etalon PKA RP60KAL OT Tat falter PKA RP71KAL Ammon PKA RP100KAL TTT TR mial l in mlml lm mot PKA Wa ioe PKARP100KAL Pl Ge Notes 1 Symbols used in wiring diagram above are o 9 Connector Terminal block 2 3 4 Indoor and outdoor connecting wires have polariti S1 S2 S3 for correct wirings es make sure to match terminal numbers Since the outdoor si
2. REMOVING THE INDOOR CONTROLLER BOARD AND THE WIRELESS CONTROLLER BOARD 1 Remove the panel and the corner box Refer to 1 2 Remove the front and side electrical box covers each 1 screw See Photo 2 3 Disconnect the connectors on the indoor controller board See Photo 3 4 Remove the switch board holder and open the cover 5 Pull out the indoor controller board toward you then remove the indoor controller board and switch board See Photo 3 6 Remove the holder of wireless remote controller board 7 Disconnect the connector of wireless remote controller board and remove the wireless remote controller board from the holder 29 Screw of electrical Water Cut box cover side VA we board J holder Screw of electrical Holder of wireless box cover Front remote controller board Photo 3 Terminal block TB4 Indoor controller board I B Room temp thermistor TH1 OPERATION PROCEDURE 3 REMOVING THE ELECTRICAL BOX 1 Remove the panel and the corner box Refer to 1 2 Remove the front and side electrical box covers each 1 screw 3 Remove the indoor outdoor connecting wire from termi nal block TB4 4 Disconnect the connectors on the indoor controller board 5 Disconnect the connector for ground wire 6 Remove the screw on lower side of the electrical box See Photo 5 7
3. Emergency operation e switc Louver e Wireless remote controller CHECK TESTAVI display CHECK and TEST RUN display indicate that the unit is being checked or test run MODELSELECT display Blinks when model is selected ROD XX display OPERATION MODE display Operation mode display indicates which operation mode is in effect s display The vertical direction of air flow is indicated P41 display FAN SPEED display indicates which fan speed has been selected ON OFF button The unit is turned ON and OFF alternately each time the button is pressed FAN SPEED SELECT button Used to change the fan speed MODE SELECT button Used to switch the operation mode between cooling drying heating auto and fan mode CHECK TEST RUN button Only press this button to perform an inspection check or test operation Do not use it for normal operation VANE CONTROL button Used to change the air flow direction CHECK TEST ALN MODEL SELECT AUTO STOP DO AUTO START OF display Lights up while the signal is transmitted to the indoor unit when the button is pressed E display SET TEMP display indicates the desired temperature which is se
4. 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase 3 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant Tool name Specifications Gauge manifold Only for R410A Use the existing fitting specifications UNF 1 2 Use high tension side pressure of 5 3MPa G or over Charge hose Only for R410A Use pressure performance of 5 09MPa G or over Electronic scale Gas leak detector Use the detector for R134a R407C or R410A Adaptor for reverse flow check Attach on vacuum pump Refrigerant charge base Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon Refrigerant recovery eguipment 3 PART NAMES AND FUNCTIONS e Indoor unit Front grille
5. BHO0D078 Emergency gp 002 operation switch Wireless remote controller board 24 9 8 FUNCTIONS OF DIP SWITCH AND JUMPER WIRE Each function is controlled by the dip switch and the jumper wire on control P C board Marks in the table below Jumper wire O Short X Open Jumper wire Functions Setting by the dip switch and jumper wire Remarks MODELS SETTING SW1 MORE 12345 settings PKA RP KAL ma iia ON ae Capacity MODELS SETTING settings 1303 g PKA RPGOKAL ii i ON Ei E OFF PKA RP71KAL L an E ON EE m OFF 12345 PKA RP100KAL p Mm ON OFF lt lnitial setting gt A Control PCB setin Wireless remote controller 0 Pairnumber Jtiolersstima gaa o Control PCB O for both J41 and J42 J41 setting with 0 O O 4 pair number settings are supported 42 wireless 1 O The pair number settings of the wireless remote 5 remote 7 O x controller and indoor control PCB J41 J42 are controller 3 3 S s given in the table on the left x in the table indicates the jumper wire is disco nnected Indoor atrallar Indoor controller board type JP3 O With JP3 JPS board t For product O Without JP3 paratype Service parts O ey setting 25 10 SPECIAL FUNCTION 10 1 ROTATION FUNCTION AND BA
6. 311 318 321 324 Press the FILTER button to perform function setting If above setting operations are done correctly Request code number will appear in data display area Example When the 311 of Request code number is set 311 appears on the screen Refererence You can check current request code number setting by setting the request code number 310 or 820 and pressing the FILTER button O Example When the current setting is Setting No 2 Reguest code 311 311 appears on the screen 7 To return to normal mode press the DON OFF button 28 11 DISASSEMBLY PROCEDURE PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH Be careful when removing heavy parts OPERATION PROCEDURE 1 REMOVING THE PANEL 1 Press and unlock the knobs on both sides of the front grille and lift the front grille until it is level Pull the hinges forward to remove the front grille See Photo 1 2 Remove 3 screw caps of the panel Remove 5 screws See Photo 1 3 Unfix 3 hooks See Figure 1 4 Hold the lower part of both ends of the panel and pull it slightly toward you and then remove the panel by pushing it upward 5 Remove the screw of the corner box See Photo 1 Remove the corner box PHOTOS amp ILLUSTRATIONS Photo 1 Front grille Screws Screw of the Screws and screw CapS corner box Figure 1
7. 72 4 Min 220 Min 50 5 te drain up mechanism installation 550 mm or greater with optional drain up mechanism installation VA Air outlet 9 16 OD Drain hose Louver manual ELN Knockout hole for lower pipin 4 09 Bolt hole o Temporarily fixing hole 75 05 1 AEE 2 CAS Tapping screw hole amp 388 amp T 8 Indoor unit outline 54 C 32 155 25 125 1 125 25 E 37 5 62 5 75 87 5 100 T7 104 5 125 129 5 142 167 192 242 2 229 5 279 5 E 292 308 5 G 31 CN o g n go 2 2 N Qu a a 2 Bg 2g8 8 s 88 83 8 S N Knockout hole for N s vi Wall hole for Wall hole for left rear piping 75x480 left rear pipin right rear piping 108 mm or greater with left or rear left piping or drain up mechanism installation 7 WIRING DIAGRAM PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH LEGEND SYMBOL NAME SYMBOL NAME L B Indoor controller board M Vane motor CN2L Connector LOSSNAY MS Fan motor CN32 Connector Remote switch SW Switch board CN41 Connector HA terminal A SWE2 Emergency operation CN51 Connector Centrally control TB2 Terminal block Indoor unit Power option CN90 Connector Remote operation adapter TB4 Terminal block Indoor outdoor connecting line DSA Surge absorber TB5 Terminal block Remote controll
8. unit Abnormal condition RC Wired remote controller IC 1 Sub j s unit IC 2 i j e a 1 28 days I 1 28 days I Ex When the request code number is 313 each unit operates alternately in daily cycle Note When the unit is restarted to operate after turning off the power or OFF operation the unit which was operationg will start operation To operate the main unit refer to the 10 1 2 and set the requet code No which is not the same as the current one and set again the former request code No 2 2nd stage cut in function Outline of functions When the 1st unit can NOT supply with sufficient capacity for exceptionally high demand conditions and the actual room temperature reaches set point the 2nd unit starts operation in conjunction with the 1st unit Once the actual room temperature goes down to 4degrees C below set point the 2nd unit stops operation automatically set point set temperature by R C remote controller 4 6 8C selectable Number of operating units is determined according to the room temperature and set point When room temperature becomes higher than set point standby unit starts 2 units operation When room temperature falls below set point 4 C standby unit stops 1 unit operation 26 System constraint This function is available only in cooling mode Ex Set temp by R C 20 C 2nd stage cut in function Request code
9. Fan drive x No kW Line flow fan direct x 1 Fan motor output m min CFM 0 056 Airflow Low Middle High 20 23 26 705 810 920 External static pressure Pa mmAq kW O direct blow Booster heater Operation control amp Thermostat Wireless remote controller amp built in Noise level Low Middle High 41 45 49 Field drain pipe D 16 5 8 Dimensions 1 170 46 1 16 295 11 5 8 365 14 3 8 Weight 5 NOISE CRITERION CURVES 5 1 SOUND LEVELS Sound level at anechoic room Low Middle High Sound level dB A PKA RP60 71KAL TH 39 42 45 PKA RP100KAL TH 41 45 49 1 0m Measurement location 1 0m Measured in anechoic room 5 2 NOISE CRITERION CURVES PKA RP60 71KAL PKA RP100KAL External static pressure OPa External static pressure OPa Power source 220 230 240V 50Hz Power source 220 230 240V 50Hz 00 T13 70 0 an 2 65 0 RRON amp 65 0 Low N 60 0 S 60 0 55 0 es Tm NC 60 n 55 0 an NC 60 50 0 45 0 40 0 7 NC 50 NC 50 Octave band pressure level dB 0dB Octave band pressure level dB 0dB 35 0 NC 40 NC 40 30 0 25 0 syi NG 30 NC 30 20 0 Approximate minimum 20 0 Approximate minimum 4 15 0 Gontingous no
10. Push up the upper fixture catch to remove the box then remove it from the box fixture PHOTOS Connector for Photo 4 ground wire Terminal block TB4 l e Electrical box REMOVING THE NOZZLE ASSEMBLY with VANE and VANE MOTOR AND DRAIN HOSE 1 Remove the panel and corner box Refer to 1 2 Remove the electrical box covers Refer to 2 3 Disconnect the vane motor connector CN151 on the indoor controller board 4 Pull out the drain hose from the nozzle assembly and remove nozzle assembly See Photo 5 Photo 5 see the bottom Vane motor Nozzle assembly Cable strap Screw of electrical box Drain hose REMOVING THE VANE MOTOR 1 Remove the nozzle assembly Refer to 4 2 Remove 2 screws of the vane motor unit cover and pull out the vane motor unit 3 Remove 2 screws of the vane motor unit 4 Remove the vane motor from the vane motor unit 5 Disconnect the connector from the vane motor Photo 6 Screws of the vane motor unit Screws of the vane motor unit cover 30 OPERATION PROCEDURE 6 REMOVING THE INDOOR FAN MOTOR AND THE Photo 7 LINE FLOW FAN PHOTOS Screw of the motor band 1 Remove the panel and the corner box Refer to 1 ia Lead wire of pipe ther 2 Remove the electrical box Refer to 2 and the nozzle AN mistor assembly Refer to 3 Remove the water cut See Photo 2 Remove the screw fixing
11. controller board Refer to 9 7 Turn the power on again and check restart after inserting connector again O Check room temperature display on remote controller Replace indoor controller board if there is abnormal difference with actual room temperature Turn the power off and on again to operate after check Pipe temperature thermistor Liguid TH2 O The unit is in 3 minute resume prevention mode if short open of thermistor is detected Abnormal if the unit does not reset normally after 3 min utes The unit returns to normal opera tion if it has been reset normally amp Constantly detected during cooling drying and heating except defrosting operation Short 90 C or more Open 40 C or less O Defective thermistor characteristics O Contact failure of connector CN44 on the indoor controller board Insert failure amp Breaking of wire or contact failure of thermistor wiring O Defective 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 P1 above 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 O Check pipe lt liguid gt temperature with remote controller in test run mode If pipe lt liguid gt temperature is extremely low in coolin
12. fuse on indoor controller board Check the wiring connection If no problem are found indoor controller board is defective O Check the voltage of indoor power supply terminal block L N e When AC220 240V is not detected check the power supply wiring e When AC220 240V is detected check O below O Check that there is no problem in the method of connecting the connectors e When there are problems in the method of connecting the connectors connect the connector correctly refer ring to installation manual of an optional kit e When there is no problem in the meth od of connecting the connectors check O below amp Check the fuse on indoor controller board Check the wiring connection If no problem are found indoor controller board is defective When LED1 on indoor controller board is lit O Mis setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant address 0 19 O Check again the setting of refrigerant address for outdoor unit Set the refrigerant address to 0 For grouping control system under which 2 or more outdoor units are connected set one of the units to O Set refrigerant address using SW1 3 6 on outdoor controller circuit board Phenomena Note Refer to the manual of outdoor unit for the detail of remote controller Cause Countermeasure 2 LED2 on indoor controller board is blinking e When LED1
13. number 322 324 Set point 26C Room temp Set point Room t Set point 4C ic gog i oom temp 2 Set poin oom temp lt Set point When request code number is 323 i Start operation Sub unit start operation Sub unit stop o i Main 26 C 2nd unit Cut in e l init i IC 1 4 degree C Sub 22 C 2nd unit Cut out aul i IC 2 VN OU UE Vt SE a ce ce N SN 10 1 2 How to set rotation function Back up function 2nd stage cut in function You can set these functions by wired remote controller Maintenance monitor NOTICE Both main and sub unit should be set in same setting Every time replacing indoor controller board for servicing the function should be set again 1 Request Code List Rotation setting Sena No Setting contents i Reguest code Monitoring the reguest code of current setting Rotation and Back up OFF Normal group control operation Back up function only Rotation ON Alternating interval 1day and back up function Rotation ON Alternating interval 3days and back up function Rotation ON Alternating interval 5days and back up function Rotation ON Alternating interval 7days and back up function Rotation ON Alternating interval 14days and back up function Rotation ON Alternating interval 28days and back up function 2nd unit cut in setting Setting No 7 Initial Request code Setting contents setting Monitoring the reques
14. on indoor controller board is also blinking Connection failure of indoor outdoor unit connecting wire Check indoor outdoor unit connecting wire for connection failure e When LEDI is lit O Miswiring of remote controller wires Under twin triple indoor unit system 2 or more indoor units are wired together O Refrigerant address for outdoor unit is wrong or not set Under grouping control system there are some units whose refrigerant address is 0 Short cut of remote controller wires O Defective remote controller O Check the connection of remote con troller 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 units O Check the setting of refrigerant address in case of grouping control system If there are some units whose refrigerant addresses are 0 in one group set one of the units to 0 using SW1 3 6 on outdoor controller circuit board OO Remove remote controller wires and check LED2 on indoor controller board e When LED2 is blinking check the short cut of remote controller wires e When LED2 is lit connect 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 O The vane is not downward during defrosting and heat p
15. replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 or ERC 00 66 is dis played noise may be causing abnormal ity Error Code Abnormal point and detection method Cause Countermeasure Indoor outdoor unit communication error Signal receiving error O Abnormal if indoor controller board cannot receive any signal normally for 6 minutes after turning the power on amp Abnormal if indoor controller board cannot receive any signal normally for 3 minutes Consider the unit abnormal under the fol lowing condition When 2 or more indoor units are connected to an outdoor unit indoor controller board cannot receive a signal for 3 minutes from outdoor controller circuit board a signal which allows outdoor controller circuit board to transmit signals O Contact failure short circuit or miswiring converse wiring of indoor outdoor unit connecting wire Defective transmitting receiving circuit of indoor controller board Defective transmitting receiving circuit of indoor controller board O Noise has entered into indoor outdoor unit connecting wire Check LED display on the outdoor control circuit board Connect A control service tool PAC SK52ST Refer to outdoor unit service manual O Check disconnection or looseness of indoor outdoor unit connecting wire of indoor unit or outdoor unit Check all the units in case
16. the line flow fan See Photo 8 Remove 5 screws fixing the motor bed See Photo 7 Remove the lead wire of pipe thermistor from the hook of motor bed See Photo 7 7 Remove the screw fixing motor band See Photo 7 8 Remove the motor bed together with fan motor and motor W 5 Screws of the motor band 9 Remove 3 screws fixing the left side of the heat exchanger See Photo 9 10 Lift the heat exchanger and pull out the line flow fan to the lower left 3 4 5 6 Photo 9 Photo 8 Screw of the line flow fan Screws of the left side of the heat exchanger 7 REMOVING THE LIQUID PIPE THERMISTOR AND Photo 10 COND EVA PIPE THERMISTOR 1 Remove the panel and the corner box Refer to 1 2 Remove the electrical box covers Refer to 2 3 Remove the water cut See Photo 2 4 Remove the liguid pipe thermistor and cond eva thermis tor 5 Disconnect the connector CN44 on the indoor controller board Cond eva thermistor TH5 Liquid pipe thermistor TH2 31 OPERATION PROCEDURE PHOTOS 8 REMOVING THE HEAT EXCHANGER Photo 11 1 Remove the panel and the corner box Refer to 1 2 Remove the electrical box Refer to 3 and the nozzle assembly Refer to 4 3 Remove the water cut 4 Remove the pipe thermistors from each holder Heat exchanger Water Cut 5 Disconnect the connector for ground wire 6 Remove 3 s
17. 0 20 10 0 10 20 30 40 50 Temperature C 22 9 6 2 DC Fan motor fan motor indoor controller circuit board Check method of DC fan motor fan motor indoor controller circuit board O Notes High voltage is applied to the connecter CNMF for the fan motor Pay attention to the service Do not pull out the connector CNMF for the motor with the power supply on It causes trouble of the indoor controller circuit board and fan motor O Self check Symptom The indoor fan cannot turn around Wiring contact check Contact of fan motor connector CNMF N lt Is there contact failure gt Yes gt 4 No Power supply check Remove the connector CNMF Measure the voltage in the indoor controller circuit board TEST POINT O Voc between 1 and 3 of the fan connector Voc DC310 340V TEST POINT O Vcc between 4 and 3 of the fan connector Vec DC15V N Is the voltage normal gt gt No Indoor controller board fuse check Yes 4 c Is the fuse normal gt Ha Replace the fuse 4 Yes Replace the indoor N OK lt Check the operation gt END controller board v OK Check the operation gt END 4 NG Replace the fan motor Sensor signal check Measure the voltage between CNMF and DC OV and DC 15V in the indoor controller circuit board No Doe
18. 0 125 140VHA3 UK OCH415 OCB415 PUHZ P200 250YHA3 OCH424 OCB424 PUHZ HRP100VHA2 PUHZ HRP100YHA2 OCH425 OCB425 2 SAFETY PRECAUTION 2 1 ALWAYS OBSERVE FOR SAFETY Before obtaining access to terminal all supply circuits must be disconnected 2 2 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R410A Use new refrigerant pipes Do not use refrigerant other than R410A In case of using the existing pipes for R22 be careful with the followings For RP100 125 and 140 be sure to perform replace ment operation before test run Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes If other refrigerant R22 etc is used chlorine in refrige rant 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 Make sure that the inside and outside of refrige rant piping is clean and it has no contamination such as sulfur hazardous for use oxides dirt shaving particles etc In addition use pipes with specified thickness Use the following tools specifically designed for use with R410A refrigerant Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc The following tools are nec
19. CK UP FUNCTION 2ND STAGE CUT IN FUNCTION Optional wired remote controller with terminal bed PAR 21MAAT E are necessary for PKA type 10 1 1 Operation 1 Rotation function and Back up function Outline of functions Main and sub unit operate alternately according to the interval of rotation setting x Main and sub unit should be set by refrigerant address Outdoor Dip switch setting Refrigerant address 00 gt Main unit Refrigerant address 01 gt Sub unit When error occurrs 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 refrigerant groups Refer to Fig 1 Main indoor unit should be connected for wired remote controller and the transmission line TB5 for main and sub unit should also be connected Refer to Fig 1 This function cannot be set by wireless remote controller Set refrigerant address of each unit Dip switch on the outdoor unit Refrigerant address 00 01 Operation pattern Fig 1 Refrigerant address Refrigerant address i O Back up function only Request code number 312 i Error occurs on main unit Start operation Main Sub O Rotation function amp Back up function Request code number 313 318 Error occurs on main unit E Start operation Main Sub Main Sub Main Sub i OC Outdoor unit Main IC Indoor unit
20. MITSUBISHI ELECTRIC SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPLIT TYPE AIR CONDITIONERS SERVICE MANUAL Series PKA Wall Mounted R410A Indoor unit Model names Service Ref PKA RP60KAL P KA R P60 KA L TH PKA RP71KAL P KA R P7 1 KA L TH PKA RP100KAL P KA R P 1 00 KA L TH Changes for the Better February 2009 No OCH452 NOTE e This manual describes only service data of the indoor units e RoHS compliant products have lt G gt mark on the spec name plate CONTENTS 1 REFERENCE MANUAL 2 2s202seeeeeeeeseseeeeeee 2 2 SAFETY PRECAUTIONG 1e eerserseeeteessserseeeeeeees 3 3 PART NAMES AND FUNCTIONS 4 A SPECIFICATIONS screens te ces wane aee 6 5 NOISE CRITERION CURVES rss 1 sesseerseeseerees 7 6 OUTLINES AND DIMENSIONS 8 INDOOR UNIT 7 WIRING DIAGRAM 2 21 1 1222420 9 8 REFRIGERANT SYSTEM DIAGRAN 10 ROURE SOON 11 10 SPECIAL FUNCTION s s sseseseseseseseeeeeeeeeees 26 11 DISASSEMBLY PROCEDURE 29 PARTS CATALOG OCB452 ren Mir SLIM 1 REFERENCE MANUAL OUTDOOR UNIT S SERVICE MANUAL Service Ref Service Manual No PUHZ RP35 50 60 71 VHA4 PUHZ RP100 125 140VKA PUHZ RP100 125 140 200 250YKA OCH451 OCB451 PU H P71 100VHA 2 UK PU H P71 100 125 140YHA 2 UK 00379 PUHZ P10
21. SE WAIT minutes after turned off then only LED 1 is eration of the remote controller is not possible power on lighted Correct operation due to system start up Correct operation PLEASE WAIT Error code Subsequent to about 2 minutes after power on Display messages do not appear even when operation switch is turned ON operation lamp does not light up Only LED 1 is lighted gt LED 1 2 blink Connector for the outdoor unit s protection device is not connected e Reverse or open phase wiring for the outdoor unit s power terminal block L1 L2 L3 Only LED 1 is lighted LED 1 blinks twice LED 2 blinks once e Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 e Remote controller wire short On the wireless remote controller with condition above following phenomena take place e No signals from the remote controller can be received e Operation 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 For description of each LED LED1 2 3 provided on the indoor controller refer to the following table LED1 power for microcomputer always lit Indicates whether control power is supplied Make sure that this LED is LED2 power for remote controller Indicates whether power is supplied to the remote controller T
22. U6 Compressor overcurrent interruption Abnormal of power module 10 U7 Abnormality of super heat due to low discharge temperature 11 U9 UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit Current sensor error 12 13 14 Others Other errors Refer to the technical manual for the outdoor unit 1 If the beeper does not sound again after the initial the OPERATION INDICATOR lamp does not come 2 If the beeper sounds 3 times continuously beep 2 beeps to confirm the self check start signal was received and on there are no error records beep beep 0 4 0 4 0 4 sec after the initial 2 beeps to confirm the self check start signal was received the speci fied refrigerant address is incorrect On wireless remote controller The continuous buzzer sounds from receiving section of indoor unit Blink of operation lamp On wired remote controller Check code displayed in the LCD 13 e On wireless remote controller The continuous buzzer sounds from receiving section of indoor unit Blink of operation lamp e On wired remote controller Check code displayed in the LCD e If the unit cannot be operated properly after test run refer to the following table to find the cause Symptom Calis Wired remote controller LED 1 2 PCB in outdoor unit For about 2 After LED 1 2 are lighted LED 2 is For about 2 minutes following power on op PLEA
23. ate in test run mode and check pipe lt condenser evaporator gt temperature with outdoor controller circuit board If pipe lt condenser evaporator gt temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defect Operate in test run mode and check pipe lt condenser evaporator gt temperature with outdoor control circuit board If there is extreme difference with actual pipe lt condenser evaporator gt temperature replace indoor controller board There is no abnormality if none of above comes within the unit Turn the power off and on again to operate In case of checking pipe temperature with outdoor controller circuit board be sure to connect A control service tool PAC SK52ST Remote controller transmission error E0 signal receiving error E4 O Abnormal if main or sub remote con troller cannot receive any transmission normally from indoor unit of refrigerant address 0 for 3 minutes Error code EO O Abnormal if sub remote controller could not receive any signal for 2 minutes Error code EO O Abnormal if indoor controller board can not receive any data normally from remote controller board or from other indoor controller board for 3 minutes Error code E4 amp Indoor controller board cannot receive any signal from remote controller for 2 minutes Error code E4 O Contact failure at transmission wire of remote controller O All re
24. ck code Symptom Remar Number of times 1 P1 Intake sensor error 2 P2 Pipe TH2 sensor error P9 Pipe TH5 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector CN4F open 5 P5 Drain pump error PA Forced compressor stop due to water leakage abnormality 6 P6 Freezing Overheating protection operation 7 EE Communication error between indoor and outdoor units 8 P8 Pipe temperature error 9 E4 E5 Remote controller signal receiving error 10 z 11 12 Fb Indoor unit control system error memory error etc EO 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 Beeper sounds OPERATION S N R A INDICATOR lamp flashes Check code PSN emar Number of times 1 E9 Indoor outdoor unit communication error Transmitting error Outdoor unit 2 UP Compressor overcurrent interruption 3 U3 U4 Open short of outdoor unit thermistors For details check 4 UF Compressor overcurrent interruption When compressor locked n the LED display 5 U2 ET Tn temperature 49C worked of the outdoor i controller board 6 U1 Ud Abnormal high pressure 63H worked Overheating As for outdoor protection operation unit refer to 7 U5 Abnormal temperature of heat sink outdoor unit s 8 U8 Outdoor unit fan protection stop service manual 9
25. crews fixing the left side of the heat exchanger See Photo 9 7 Remove the heat exchanger Photo 12 Lead wire for TH5 Connector for ground Liquid pipe thermistor TH2 R 9 REMOVING THE ROOM TEMPERATURE THERMISTOR Photo 13 1 Remove the panel and corner box Refer to 1 2 Remove the electrical box covers 3 Remove the room temperature thermistor 4 Disconnect the connector CN20 on the indoor controller board Indoor controller board I B Room temp thermistor TH1 fa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Feb 2009 No OCH452 PDF 6 Made in Japan New publication effective Feb 2009 Specifications subject to change without notice
26. de electric wiring may change be sure to check the outdoor unit electric wiring diagram for servicing This diagram shows the wiring of indoor and outdoor connecting wires specification of 230V adopting superimposed system of power and signal x1 When work to Supply power separately to indoor and outdoor units was applied refer to Fig 1 x2 For power supply system of this unit refer to the caution label located near this diagram 8 REFRIGERANT SYSTEM DIAGRAM PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH Strainer 50 Heat exchanger L Refrigerant GAS pipe connection Flare Cr ThermistorTH2 Refrigerant flow in cooling Pipe temperature Liquid Refrigerant flow in heating Thermistor TH5 I Cond Eva temperature Refrigerant LIQUID pipe connection Flare lt Thermistor TH1 Room temperature Distributor Strainer 50 with strainer 50 100 10 9 TROUBLESHOOTING 9 1 TROUBLESHOOTING lt Error code display by self diagnosis and actions to be taken for service summary gt Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit Actions to be taken for service and the trouble reoccurrence at field are summarized in the table below Check the contents below before investigating details Unit conditions at service Error code Actions to be taken for service summary Displayed The troub
27. e the above mentioned detection is performed a The intake temperature subtracted with liguid pipe temperature detects to be less than 10 C for a total of 30 minutes When the drain sensor is detected to be NOT soaked in the water the detection record of a and b will be cleared b Drain float switch detects to be in the water for more than 15 minutes Once the water leakage abnormality is detected abnormality state will not be released until the main power is reset O Drain pump trouble O Drain defective Drain pump clogging Drain pipe clogging G Open circuit of float switch O Contact failure of float switch connector Dew condensation on float switch Drain water descends along lead wire Drain water waving due to filter clogging Extension piping connection difference at twin triple quad ruple system O Miswiring of indoor outdoor connecting at twin triple quad ruple system Room temperature thermistor liquid pipe temperature thermis tor detection is defective 18 Check the drain pump OCheck whether water can be drained Check the resistance of the float switch Check the connector contact failure Check the float switch leadwire mounted Check the filter clogging Check the piping connection Check the indoor outdoor connecting wires GCheck the room temperature display of remote controller Check the indoor liquid pipe temperature di
28. er Emergency operation has been deactivated set the switches etc to their original positions 6 Movement of the vanes does not work in Emergency operation therefore you have to slowly set them manually to the appropriate position 21 9 6 HOW TO CHECK THE PARTS PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester thermistor TH1 At the ambient temperature 10 C 30 C Liquid pipe temperature thermistor TH2 Normal Abnormal Refer to the thermistor Condenser Evaporator 4 3kQ 9 6kQ Open or short temperature thermistor TH5 Vane motor MV Measure the resistance between the terminals using a tester Coil temperature 20 C O Re Normal Abnormal O O Yello 0 0 O 0 0 0 0 O Brow Brown Red Brown Orange Brown Yellow Brown Green Open or short t Orange Green Connect pin No 2500 7 Fan motor MF Refer to 9 6 2 9 6 1 Thermistor lt Thermistor Characteristic graph gt lt Thermistor for lower temperature gt Thermistor for Room temperature thermistor TH1 lower temperature Pipe temperature thermistor liquid TH2 Condenser evaporator temperature thermistor TH5 g Thermistor Ro 15kQ 3 E Fixed number of B 3480 2 k Rt 15exp 3480 E rene 273 t 273 oC 15kQ 10C 9 6kQ 20 C 6 3kQ 25C 5 4kQ 30 C 4 3kQ 40C 3 0k
29. er transmission error E3 signal receiving error E5 O Abnormal if remote controller could not find blank of transmission path for 6 sec onds and could not transmit Error code E3 amp Remote controller receives transmitted data at the same time and compares the received and transmitted data Abnormal if these data are judged to be different 30 continuous times Error code E3 O Abnormal if indoor controller board could not find blank of transmission path Error code E5 Indoor controller board receives trans mitted data at the same time and com pares the received and transmitted data Abnormal if these data are judged to be different 30 continuous times Error code E5 O 2 remote controllers are set as main In case of 2 remote con trollers amp Remote controller is connected with 2 indoor units or more O Repetition of refrigerant address O Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board Noise has entered into trans mission wire of remote control ler 17 O Set a remote controller to main and the other to sub O Remote controller is connected with only one indoor unit The address changes to a separate setting Diagnose remote controller a When RC OK is displayed remote con trollers have no problem Turn the power off and on again to check When becoming abnormal again
30. er transmission line FUSE FUSE T3 15AL250V TH1 Room temp Thermistor LED1 Power supply 1 B OC 15kQ 25 C 5 4kQ Detect LED2 Power supply R B TH2 Pipe temp Thermistor liquid LED3 Transmission Indoor outdoor OC 15kQ 25 C 5 4kQ Detect SW1 Switch Model selection See table 1 THS Cond eva temp Thermistor SW2 Switch Capacity code See table 2 OC 15kQ 25 C 5 4kQ Detect SWE Connector Emergency operation W B Pcb for wireless remote controller X1 Relay Drain pump option LED1 LED Operation indication Green ZNR01 02 Varistor LED2 LED Preparation for heating Orange CNP Drain pump option power supply REC1 Receiving unit Sold separately Drain pump option DCL REACTOR CN4F Drain float switch Sold separately Drain pump option DP DRAIN PUMP OPTION R B Wired remote controller FS DRAIN FLOAT SWITCH OPTION TB6 Terminal block Remote controller transmission line MF Refer to tables Q LEDI 9 LED3 R LED 000000000 1 CN90 9 WHT OO OO00 CNP BLU cN3c 3 BLU 1 LDSWE A BLU 1 2 1 4 1 tand 2 CN2L RED CN41 WHT CN151 WHT 1 CN20 CN44 RED WHT 5 1 4 00000 00 0000
31. essary to use R410A refrigerant Tools for R410A Flare tool Size adjustment gauge Vacuum pump adaptor Gauge manifold Charge hose Gas leak detector Store the piping to be used indoors during installation and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in their packaging Torque wrench Electronic refrigerant charging scale Handle tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Use ester oil ether oil or alkylbenzene oil small amount as the refrigerant oil applied to flares and flange connections Do not use a charging cylinder If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered 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 Ventilate the room if refrigerant leaks during operation If refrigerant comes into contact with a flame poisonous gases will be released
32. etected under water Switch On O Defective indoor controller board 15 O Check if drain up machine works Check drain function Remove drain float switch connector CN4F and check if it is short Switch On with the moving part of float switch UP or OPEN with the moving part of float switch down Replace float switch if it is short with the moving part of float switch down O Replace indoor controller board if it is short circuited between of the drain float switch connector CN4F and abnormality reappears It is not abnormal if there is no problem about the above mentioned Turn the power off and on again to operate after check Error Code Abnormal point and detection method Cause Countermeasure Freezing overheating protection is work ing O Freezing protection Cooling mode The unit is in 6 minute resume preven tion mode if pipe lt liguid or condenser evaporator gt temperature stays under 15 C for 3 minutes 3 minutes after the compressor started Abnormal if it stays under 15 C for 3 minutes again within 16 minutes after 6 minute resume pre vention mode Overheating protection Heating mode The units is in 6 minute resume prevention mode if pipe lt liguid or con denser evaporator gt temperature is detected as over 70 C after the com pressor started Abnormal if the tem perature of over 70C is detected again within 30 minutes after 6 minute resume prevention
33. g mode or high in heating mode refrigerant circuit may have defective amp Check pipe lt liguid gt temperature with remote controller in test run mode If there is extremely difference with actual pipe lt liguid gt temperature replace indoor controller board Turn the power off and on again to operate after check Contact failure of drain float switch CN4F Extract when the connector of drain float switch is disconnected and O of connector CN4F is not short circuited Constantly detected during operation O Contact failure of connector Insert failure O Defective indoor controller board O Check contact failure of float switch connector Turn the power on again and check after inserting connector again Operate with connector CN4F short circuited Replace indoor controller board if abnormalit reappears Drain over flow protection operation O Suspensive abnormality if drain float switch is detected to be underwater for 1 minute and 30 seconds continuously with drain pump on Compressor and indoor fan will be turned off Drain pump is abnormal if the condition above is detected during suspensive abnormality amp Constantly detected during drain pump operation O Malfunction of drain pump Defective drain Clogged drain pump Clogged drain pipe Defective drain float switch Catch of drain float switch or malfunction of moving parts cause drain float switch to be d
34. his LED lights only in the case of the indoor unit which is connected to the outdoor unit refrigerant addresses 0 LED3 communication between indoor and outdoor units Indicates state of communication between the indoor and outdoor units Make sure that this LED is always blinking 14 9 3 SELF DIAGNOSIS ACTION TABLE Error Code Abnormal point and detection method Note Refer to the manual of outdoor unit for the details of display Cause such as F U and other E Countermeasure Room temperature thermistor TH1 O The unit is in 3 minute resume prevention mode if short open of thermistor is detected Abnormal if the unit does not reset normally after 3 min utes The unit returns to normal opera tion if it has been reset normally O Constantly detected during cooling drying and heating operation Short 90 C or more Open 40 or less O Defective thermistor characteristics O Contact failure of connector CN20 on the indoor controller board Insert failure amp Breaking of wire or contact failure of thermistor wiring O Defective indoor controller board 0 0 Check resistance value of thermistor OC 15 0kQ 10C 9 6kQ 20C 6 3kQ 30C 4 3kQ 40C 3 0ko If you put force on draw or bend the lead wire with measuring resistance value of thermis tor breaking of wire or contact failure can be detected O Check contact failure of connector CN20 on the indoor
35. hod at maintenance service gt Aa MITSUBISHI ELEC CHECK display ON OFF TEMP ON OFF OW button TRIC FAN _ AUTO STOP ZoD so Cs 0 MODE VANE AUTOSTAR N CHECK LOUVER hal h gt gt gezeg CHECK TEST RUN button x SET RESET CLOCK o o o min ETV Refrigerant ddress display v Temperature button HOUR button Procedure 1 Press the CHECK button twice 2 Press the temperature buttons 3 Point the remote controller at the sensor on the indoor unit and press the HOUR button 4 Point the remote controller at the sensor on the indoor unit and press the ON OFF button 12 e CHECK lights and refrigerant address 00 flashes e Check that the remote controller s display has stopped before continuing 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 e If an air conditioner error occurs the indoor unit s sensor emits an intermit tent buzzer sound the operation light flashes and the error code is output It takes 3 seconds at most for error code to appear The check mode is cancelled To be continued to the next page e Refer to the following table
36. ise N ne 20 180 eee imitan lt noz 10 0 10 0 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8k Octave band center frequencies Hz Octave band center frequencies Hz 6 OUTLINES AND DIMENSIONS PKA RP60 71 100KAL TH Knockout hole for left piping Left side 66 Sleeve purchased locally Through hole Unit mm Top side Front side Right side Mount board Operation lamp Knockout hole for DEFROSTISTAND BY lamp Knockou right piping Receiver Front side Grille open Terminal block for outdoor unit Terminal block for power supply option Filter hook Terminal block for MA remote controller option Emergency operation switch N cooling heating 444 Gas pipe 123 482 Liguid pipe ole 154 585 Drain hose s 134 N Under side Piping connection department Refrigerant pipe 49 52 Liquid pipe Flared connection 3 8F Refrigerant pipe 415 88 Gas pipe Flared connection 5 8F m 75 75 80 N Vane auto Knockout hole for piping Required space Indoor unit LL o Air inlet 265 mm or greater with optional Min
37. le is reoccurring Judge what is wrong and take a corrective action according to 9 3 Self diagnosis action table Not displayed Conduct troubleshooting and ascertain the cause of the trouble according to 9 4 Troubleshooting by inferior phenomena The trouble is not reoccurring 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 matters related to wiring and etc OReset error code logs and restart the unit after finishing service There is no abnormality in electrical component controller board remote controller and etc Not logged 11 ORe check the abnormal symptom OConduct trouble shooting and ascertain the cause of the trouble according to 9 4 Troubleshooting by inferior phenomena OContinue to operate unit for the time being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board remote controller and etc 9 2 MALFUNCTION DIAGNOSIS METHOD BY REMOTE CONTROLLER lt in case of trouble during operation gt When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop lt Malfunction diagnosis met
38. mode Cooling or drying mode O Clogged filter reduced airflow amp Short cycle of air path G Low load low temperature operation out of the tolerance range O Defective indoor fan motor Fan motor is defective e Indoor controller board is defec tive Defective outdoor fan control Overcharge of refrigerant Defective refrigerant circuit clogs Heating mode O Clogged filter reduced airflow O Short cycle of air path Over load high temperature operation out of the tolerance range O Defective indoor fan motor Fan motor is defective e Indoor controller board is defec tive Defective outdoor fan control Overcharge of refrigerant O Defective refrigerant circuit clogs Bypass circuit of outdoor unit is defective Cooling or drying mode O Check clogs of the filter O Remove shields O Refer to 9 6 amp Check outdoor fan motor GO Check operating condition of refrigerant circuit Heating mode O Check clogs of the filter O Remove shields Refer to 9 6 amp Check outdoor fan motor GO OCheck operating condition of refrigerant circuit Pipe temperature lt Cooling mode gt Detected as abnormal when the pipe tem perature is not in the cooling range 3 min utes after compressor start and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at least 9 minutes to detect Note 2 Abnormality P8 is no
39. mote controllers are set as sub remote controller In this case EO is displayed on remote controller and E4 is displayed at LED LED1 LED2 on the outdoor controller circuit board amp Miswiring of remote controller O Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board of refrigerant addresses 0 G Noise has entered into the transmission wire of remote controller O Check disconnection or looseness of indoor unit or transmission wire of remote controller Set one of the remote controllers main if there is no problem with the action above amp Check wiring of remote controller e Total wiring length max 500m Do not use cable x 3 or more e The number of connecting indoor units max 16 units e The number of connecting remote control ler max 2 units When it is not the above mentioned problem of O O 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 or ERC 00 66 is dis played noise may be causing abnormality If the unit is not normal after replacing indoor controller board in group control indoor controller board of address 0 may be abnormal Remote controll
40. of twin triple indoor unit system O O Turn the power off and on again to check If abnormality generates again replace indoor controller board or outdoor controller circuit board Other indoor controller board may have defect in case of twin triple indoor unit system Indoor outdoor unit communication error Transmitting error Abnormal if 1 receiving is detected 30 times continuously though indoor controller board has transmitted 0 O Defective transmitting receiving circuit of indoor controller board Noise has entered into power supply amp Noise has entered into outdoor control wire Turn the power off and on again to check If abnormality generates again replace indoor controller board Indoor controller board Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board O Defective indoor controller board O Replace indoor controller board Remote controller control board O Abnormal if data cannot be read nor mally from the nonvolatile memory of the remote controller control board Error code E1 O Abnormal if the clock function of remote controller cannot be operated normally Error code E2 O Defective remote controller O Replace remote controller Forced compressor stop due to water leakage abnormality O The unit has a water leakage abnor mality when the following conditions a and b are satisfied whil
41. orator gt temperature display is indicated by set ting SW2 of outdoor controller circuit board as follows controller circuit board after connecting Conduct temperature check with outdoor A Control Service Tool PAC SK52ST Check converse connection of extension pipe or converse wiring of indoor outdoor unit connecting wire Error Code Abnormal point and detection method Cause Countermeasure Pipe temperature thermistor Condenser Evaporator TH5 O The unit is in 3 minute resume protec tion 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 normally O Constantly detected during cooling drying and heating operation except defrosting Short 90 C or more Open 40 C or less O Defective thermistor characteristics Contact failure of connector CN44 on the indoor controller board Insert failure amp Breaking of wire or contact failure of thermistor wiring O Temperature of thermistor is 90 C or more or 40 C or less caused by defective refrigerant circuit Defective indoor controller board O O Check resistance value of thermistor For characteristics refer to P1 above amp 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 O Oper
42. reparation and when the thermostat is OFF in HEAT mode Working of COOL protection function Vane motor does not rotate e Defective vane motor Breaking of wire or connection failure of connector amp Upward downward vane does not work The vane is set to fixed position O Normal operation The vane is set to horizontal regardless of remote control O Check O left e Check the vane motor Refer to How to check the parts e Check for breaking of wire or connec tion failure of connector G Normal operation Each connector on vane motor side is disconnected or set ting the fixed vanes by wired remote controller 4 Receiver for wireless remote controller O Weak batteries of wireless remote controller amp Contact failure of connector CNB on wireless remote controller board Insert failure Contact failure of connector CN90 on indoor con troller board Insert failure O Contact failure of connector between wireless remote controller board and indoor controller board 20 O Replace batteries of wireless remote con troller Check contact failure of each connector If no problems are found of connector replace indoor controller board When the same trouble occurs even if indoor controller board is replaced replace wireless remote controller board 9 5 EMERGENCY OPERATION 9 5 1 When wireless remote controller troubles or its battery is exhausted When
43. s play of outdoor controller board 9 4 TROUBLESHOOTING BY INFERIOR PHENOMENA Note Refer to the manual of outdoor unit for the detail of remote Phenomena controller Cause Countermeasure 1 LED2 on indoor controller board is off When LED1 on indoor controller board is also off O Power supply of rated voltage is not supplied to out door unit Defective outdoor controller circuit board amp Power supply of 220 240V is not supplied to indoor unit O Defective indoor controller board For the separate indoor outdoor unit power sup ply system O Power supply of 220 240V AC is not supplied to indoor unit amp The connectors of the optional replacement kit are not used Defective indoor controller board O Check the voltage of outdoor power supply terminal block L N or Ls N e When AC 220 240V is not detected check the power wiring to outdoor unit and the breaker e When AC 220 240V is detected check O below amp Check the voltage between outdoor terminal block S1 and S2 e When AC 220 240V is not detected check the fuse on outdoor controller circuit board check the wiring connection e When AC 220 240V is detected check G below Check the voltage between indoor termi nal block S1 and S2 e When AC 220 240V is not detected check indoor outdoor unit connecting wire for miswiring e When AC 220 240V is detected check O below O Check the
44. s for details on the check codes Output pattern A Beeper sounds Beep Beep Beep Beep Beep Beep Beep OPERATION asia 1stL_J2rq__j3rd i ae qst 2nd Repeated INDICATOR PS a 5 lamp flash Off On On On On Off On On pattern Self check Approx 2 5 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec 0 5 sec 0 5 sec starts N W J _ Start signal SP E missi received Number of flashes beeps in pattern indicates the check Number of flashes beeps in pattern indicates code in the following table i e n 5 for P5 the check code in the following table Output pattern B code in the following table i e n 5 for U2 Beeper sounds Beep Beep Beep Beep Beep Beep Beep operation U is 2rd s x fel 19 20 Repeated INDICATOR lamp flash tt tt n Tj on On On on Of On jon o pattern Self check Approx 2 5 sec Approx 3 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec Approx 3 sec 0 5sec 0 5 sec starts N W J Start signal n S E jota received Number of flashes beeps in pattern indicates the check Number of flashes beeps in pattern indicates the check code in the following table Output pattern A Errors detected by indoor unit Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Che
45. s the voltage repeat DS o d DC OV and DC 15V Replace a moler p es Yes Check the operation of fan gt END Replace the indoor controller board J NG Replace the indoor controller board v OK Check the operation gt END J NG C Replace the fan motor 23 9 7 TEST POINT DIAGRAM PKA RP60KAL TH PKA RP71KAL TH PKA RP100KAL TH CNMF Connect to the fan motor MF DC310 340V DC15V DC0 6 5V 6 0 DCO or DC15V CN01 Connect to the Terminal block TB4 O G 220 240VAC SWE Emergency operation connector 1 Pare 250V Rat N al z 21 CNP Og Drain pump output SW1 220 240VAC option Model selection LED1 Power supply 1 B LED2 Power supply R B LED3 Transmission Indoor outdodr SW2 T alejsjajsjo V CN3C Capacity setting v Transmission Ser Indoor outdodr ea DC 0 24V CN22 Connect to the terminal block TB5 Remote controller connecting wire option CN151 Connect to the vane motor MV CN4F Float switch FS option CN90 Connect to the remote operation adapter CN51 Centrally control Jumper wire J41 J42 Pair No setting for wireless remote controller Room temp thermistor Connector Connector LOSSNAY HA terminal A CN44 Pipe temperature thermistor O O Liquid TH2 Condenser Evaporator TH5
46. t CLOCK display Displays the current time TIMER display Displays when in timer operation or when setting timer 1 1 39 66 1 display Displays the order of timer operation ee D20 display Displays whether timer is on or off E button SET TEMPERATURE button sets any desired room temperature TIMER CONTROL buttons AUTO STOP OFF timer when this switch is set the air conditioner will be automatically stopped at the preset time AUTO START ON timer when this switch is set the air conditioner will be automatically started at the preset time h and min buttons Buttons used to set the hour and minute of the current time and timer settings LOUVER button Changes left right airflow direction Not available for this model CLOCK button RESET button SET button 4 SPECIFICATIONS Service Ref PKA RP60KAL TH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 06 0 05 Running current 0 43 0 36 External finish Panel Munsell 1 0Y 9 2 0 2 Heat exchanger Plate fin coil Fan Fan drive x No Line flow fan direct X 1 Fan motor output KW 0 056 Airflow Low Middle High m min CFM 18 20 22 635 705 780 External static pressure Pa mmAq O direc
47. t blow Booster heater INDOOR UNIT Operation control amp Thermostat Wireless remote controller amp built in Noise level Low Middle High 39 42 45 Field drain pipe I D 16 5 8 Dimensions 1 170 46 1 16 295 11 5 8 365 14 3 8 Weight Service Ref 21 46 PKA RP71KAL TH Z gt oc Q O Qa INDOOR UNIT Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 06 0 05 Running current 0 43 0 36 External finish Panel Munsell 1 0Y 9 2 0 2 Heat exchanger Plate fin coil Fan Fan drive x No Line flow fan direct x 1 Fan motor output KW 0 056 Airflow Low Middle High m min CFM 18 20 22 635 705 780 External static pressure Pa mmAq O direct blow Booster heater Operation control amp Thermostat Wireless remote controller amp built in Noise level Low Middle High 39 42 45 Field drain pipe I D 16 5 8 Dimensions 1 170 46 1 16 295 11 5 8 365 14 3 8 Weight Service Ref 21 46 PKA RP100KAL TH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 08 0 07 Running current 0 57 0 50 External finish Panel Munsell 1 0Y 9 2 0 2 Heat exchanger Plate fin coil Fan
48. t code of current setting Cut in function OFF Cut in function ON Set point Set temp 4 C 7 2 F Cut in function ON Set point Set temp 6C 10 8 F Cut in function ON Set point Set temp 8C 14 4 F 27 2 Setting method of each function by wired remote controller 009 amp B Refrigerant address ISG C Data display area I a MITSUBISHI ELECTRIC D Request code display area p gi TEMP D ON OFF 5 PAR 21MAA f f CLEARN Oo amp es 11448 0038 OMENU OON OFF cr is curen p S 38 al CHECK TEST aeon GD GD GED oo dr bbb Stop operation O Press the TEST button for 3 seconds so that Maintenance mode appears on the screen 0 After a while 00 appears in the refrigerant address number display area at Press the CHECK button amp for 3 seconds to switch to Maintenance monitor Note It is not possible to switch to Maintenance monitor during data reguest in maintenance mode i e while is blinking since no buttons are operative appears on the screen O when Maintenance monitor is activated The display O now allows you to set a reguest code No Press the TEMP and A buttons O to select the desired refrigerant address Press the CLOCK C V and A buttons to set the desired request code No
49. t detected in drying mode Cooling range 3 C 2 TH TH1 TH Lower temperature between liquid pipe temperature TH2 and condens er evaporator temperature TH5 TH1 Intake temperature lt Heating mode gt When 10 seconds have passed after the compressor starts operation and the hot adjustment mode has finished the unit is detected as abnormal when condenser evaporator pipe temperature is not in heat ing range within 20 minutes Note 3 It takes at least 27 minutes to detect abnormality Note 4 It excludes the period of defrosting Detection restarts when defrosting mode is over Heating range 3 C TH5 TH1 O Slight temperature difference between indoor room temperature and pipe lt liquid or condenser evaporator gt temperature thermistor Shortage of refrigerant e Disconnected holder of pipe lt liquid or condenser evaporator gt thermistor Defective refrigerant circuit O Converse connection of extension pipe on plural units connection amp Converse wiring of indoor outdoor unit connecting wire on plural units connection Defective detection of indoor room temperature and pipe lt condenser evaporator gt temperature thermistor Stop valve is not opened completely 16 Check pipe lt liquid or condenser evapo rator gt temperature with room tempera ture display on remote controller and outdoor controller circuit board Pipe lt liquid or condenser evap
50. the remote controller cannot be used When the batteries of the remote controller run out or the remote controller malfunctions the emergency operation can be done using the emergency buttons DEFROST STAND BY lamp ORANGE Operation lamp GREEN O Emergency operation switch cooling heating O Receiver Each press of the emergency operation switch will toggle the operation mode Check COOL HEAT with the operation monitor display The display will appear orange for 5 seconds after pressing the emergency operation switch Heat pump type ja Cooling Heating gt Stop Cooling Only type is Cooling Stop H Operation Monitor Display GREEN ORANGE STOP O O The orange lamp follows the switch operation COOL o o as indicated at the left for 5 sedonds and HEAT p then it will return to the normal display O Turning off Lighting Details of emergency mode are as shown below Operation Mod COOL HEAT Set Temperature 24 C 24 C Fan Speed High High Airflow Direction Up and Down Horizontal Downward 9 5 2 When wired remote controller or indoor unit microcomputer troubles 1 When the wired remote control or the indoor unit microcomputer has failed but all other components work properly if you set the switch SWE on the indoor controller board ON the indoor unit will begin Emergency Operation When Emergenc
51. y Operation is activated the indoor unit operates as follows 1 Indoor fan is running at high speed 2 Drain up machine is working x Note on the wireless remote control When the remote control does not function it is possible to activate Emergency Operation by using the indoor unit Emergency operation switch However if the indoor unit microcomputer has failed it is nesessary to proceed with points 2 and 3 below as in the case of the wired remote control 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 outdoor unit wiring diagram 3 Before you activate Emergency operation check the following points 1 Emergency operation cannot be activated when ethe outdoor unit malfunctions the indoor fan malfunctions when it has detected the malfunction of drain up machine during self diagnosing 2 Emergency operation becomes continuous only by switching the power source on off ON OFF on the remote control or temperature control etc does not function 3 Avoid operating for a long time when the outdoor unit begins defrosting while Emergency operation of the heating is activated because it will start to blow cold air 4 Emergency cooling should be limited to 10 hours maximum The indoor unit heat exchanger may freeze 5 Aft

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