Mitsubishi Electric PUHZ-RP200YHA, Service Manual

Page 1: ...ST 98 18 RoHS PARTS LIST 104 No OC338 REVISED EDITION C R410A Outdoor unit model names PUHZ RP200YHA PUHZ RP250YHA Service Ref PUHZ RP200YHA PUHZ RP200YHA1 PUHZ RP200YHA2 PUHZ RP250YHA PUHZ RP250YHA1 PUHZ RP250YHA2 Model name indication PUHZ RP200YHA PUHZ RP200YHA1 PUHZ RP200YHA2 PUHZ RP250YHA PUHZ RP250YHA1 PUHZ RP250YHA2 May 2007 Revision PUHZ RP200 250YHA2 are added in REVISED EDITION C Some de...

Page 2: ...0FAL2 PKA RP60 71 100FAL PKA RP50FAL2 OC331 PEAD RP35 50 60 71EA 2 PEAD RP35 50 60 71EA 2 UK PEAD RP100 125 140EA 2 PEAD RP100 125 140EA 2 UK PEAD RP60 71 100GA PEAD RP60 71 100GA UK PEH RP200 250MYA PEH RP200 250MYA 2 2 TECHNICAL DATA BOOK Manual No OCS01 Service Manual No 2 1 INDOOR UNIT S SERVICE MANUAL 1 TECHNICAL CHANGES PUHZ RP200YHA1 PUHZ RP250YHA1 PUHZ RP250YHA2 PUHZ RP200YHA2 CONTROLLER C...

Page 3: ...acuum 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 necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of ...

Page 4: ...nder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment 1 Cautions for service 1 Perform service after collecting 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 filte...

Page 5: ...After operating the cooling system for about 30 minutes do a pump down work Use a refrigerant collecting device to collect the refrigerant Check the oil condition when collecting the refrigerant Oil is clean Clear to brownish color Oil is dirty Black color When the compressor bearings are glazed rotation scratches are present or the compressor breaks down iron particles or oil deterioration will b...

Page 6: ...0 36 0 Nominal dimensions Flare nut dimensions Outside diameter Dimension B mm R410A w w36 0mm for indoor unit of RP100 125 and 140 R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis t...

Page 7: ... PEAD RP100GA 2 PKA RP100FAL 2 PCA RP100GA 2 PCA RP125GA 2 Indoor unit Outdoor unit PUHZ RP YHA 200 250 PLA RP60AA 3 PLA RP71AA 3 PEAD RP60EA 3 PEAD RP71EA 3 PEAD RP60GA 3 PEAD RP71GA 3 PKA RP60FAL 3 PKA RP71FAL 3 PCA RP60GA 3 PCA RP71GA 3 Indoor unit Outdoor unit PUHZ RP YHA 200 250 PLA RP50AA 4 PLA RP60AA 4 PEAD RP50EA 4 PEAD RP60EA 4 PEAD RP60GA 4 PKA RP50GAL 4 PKA RP50FAL2 4 PKA RP60FAL 4 PCA ...

Page 8: ...r output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive o No Fan motor output Airflow Defrost method Noise level Dimensions Weight Refrigerant Charge Oil Model Pipe size O D Connection method Between the indoor outdoor unit Mode Cooling Heating W D H Liquid Gas Indoor side Outdoor side Height difference Piping length Service Ref Cooling 64 800 19 0 10 0 22 4 10 0 24 ...

Page 9: ... 21S4 Linear Expansion Valve LEV A Reactor DCL Motor Compressor MC High Pressure Switch 63H Low Pressure Switch 63L Fan Motor MF Thermistor Discharge TH4 Thermistor Outdoor TH7 Terminal Block Power Supply TB1 3P S1 S2 S3 Terminal Block Indoor Outdoor TB2 2200 400V 16 30W Main Smoothing Capacitor CB1 CB2 Rush Current Protect Resister RS Thermistor Outdoor Pipe TH3 TH32 Thermistor Outdoor2 PhasePipe...

Page 10: ...E BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP200YHA PUHZ RP200YHA1 PUHZ RP200YHA2 COOLING MODE HEATING 55 0 SPL dB 56 0 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 ...

Page 11: ... C C MPa kgf cm2 MPa kgf cm2 Outdoor side Indoor side Refrigerant circuit Electrical circuit 6 5 ADJUSTING THE AMOUNT OF REFRIGERANT Amount of additional refrigerant charge kg 30 m and less 31 40 m and less 41 50 m and less 51 60 m and less 61 70 m and less 71 120 m and less 0 9 kg 1 8 kg 2 7 kg 3 6 kg 1 2 kg 2 4 kg 3 6 kg 4 8 kg Outdoor unit Permitted pipe length RP200 RP250 120m or less At time ...

Page 12: ...ole 27 Knock OUT Wiring Hole 40 Knock OUT 110 Piping Hole 122 Knock OUT 2 70 150 1 Piping Hole 122 Knock OUT Wiring Hole 40 Knock OUT 200 435 0 364 780 22 12 28 60 180 65 140 70 120 317 80 123 105 63 161 90 R 1 5 R 1 5 900 700 796 560 750 736 900 750 1798 1519 1457 667 0 98 48 152 40 38 191 19 58 21 380 60 780 736 Wiring Hole 27 Knock OUT Front Side Service panel G L FOUNDATION BOLTS PITCH DRAIN H...

Page 13: ...wer Supply DC5V LED Power Supply DC12V LED Connection to Outdoor Unit LED Transmission Sending LED Transmission Receiving Connector M NET communication SYMBOL NAME Switch Address setting 2nd digit Switch Status of communication Switch Address setting 1st digit TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LED4 LED5 M NET ADAPTER Connector Connector Connector Connector CNM CNMNT CN3S CNVMNT CNDM Co...

Page 14: ... 2 Flat Flat Round Wire size mm 2 Number of wires Clockwise S1 S2 S3 Clockwise S1 S2 S3 Open Connect S1 and S3 to the opposite angle Not applicable Because center wire has no cover finish From left to right S1 Open S2 S3 Polarity L m 5 3C Flat cable 2 S1 S2 S3 Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead...

Page 15: ...thed flexible cable Design 60245 IEC 57 3 Use an earth wire which is longer than the other cords so that it will not become disconnected when tension is applied The earth wire should also be thicker than the power supply cord so that it can stand any surge of electricity when trouble occurs Warning In case of A control wiring there is high voltage potential on the S3 terminal caused by electrical ...

Page 16: ...quired Required Required 1 A breaker with at least 3 mm contact separation in each pole shall be provided Use non fuse breaker NF or earth leakage breaker NV 2 Max 120 m 3 The 10 m wire is attached in the remote controller accessory Max 500 m 4 The figures are NOT always against the ground Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cables and indoor ...

Page 17: ...d wire noise may enter into the shield wire because the ground wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among grounding spots In case of single spot grounding noise does not enter into the shield wire because the ground wire and shield wire do not form one circuit To avoid communication errors caused by noise make sure to ob...

Page 18: ... 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 2 50 M NET Address No Setting example Switng setting SW11 ones digit SW12 tens digit OFF ON 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 ...

Page 19: ... switch 63L Compressor Capillary tube1 Capillary tube2 Replace filter High pressure switch 63H Bypass valve Charge plug High pressure Thermistor TH4 Discharge Thermistor TH6 Outdoor 2 phase pipe Thermistor TH7 Outdoor Thermistor TH3 Outdoor pipe Thermistor TH32 Outdoor pipe Heat exchanger 4 way valve Refrigerant GAS pipe connection RP200 1 RP250 1 1 8 Refrigerant LIQUID pipe connection RP200 3 8 F...

Page 20: ...l board of the outdoor unit to ON to start replacement operation The replacement operation is performed using the cooling system Cool air will flow from the indoor unit during the replacement operation During the replacement operation TESTRUN is displayed on the remote controller and LED1 and LED2 on the control board of the outdoor unit flash together The duration of the replacement operation is ...

Page 21: ...bnormality concerning of parts such as electrical component controller board remote controller and etc 1Re check the abnormal symptom 2Conduct trouble shooting and ascertain the cause of the inferior phenomenon according to 12 5 Troubleshooting by inferior phenomena 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of parts such as ele...

Page 22: ... red once blink alternately F1 After startup is displayed green once and red twice blink alternately F3 F5 F9 After startup is displayed green twice and red once blink alternately EA Eb After startup is displayed only green lights up 00 After startup is displayed only green lights up 00 indicates digital display 2 Press TEST button twice 1 Turn on the main power supply 3 Press OPERATION SWITCH but...

Page 23: ...urned off A and current operation mode are displayed 3 Press the button to activate mode then check whether cool air is blown out from the unit 4 Press the button to activate mode then check whether warm air is blown out from the unit 5 Press the button and check whether strong air is blown out from the unit 6 Press the button and check whether the auto vane operates properly 7 Press the ON OFF bu...

Page 24: ...t stores error codes the latest check code can be recalled even if it is cancelled by the remote controller or power is shut off Check the error code history for each unit using the remote controller 1 Switch to self diagnosis mode H Press the CHECK button twice within 3 seconds The display content will change as shown below 2 Set the unit number or refrigerant address you want to diagnose F Press...

Page 25: ...hange as shown below A Press the FILTER button to start self diagnosis 3 Remote controller self diagnosis result When the remote controller is functioning correctly Check for other possible causes as there is no problem with the remote controller When the remote controller malfunctions Error display 1 NG blinks The remote controller s transmitting receiv ing circuit is defective The remote control...

Page 26: ...tion manual 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 Malfunction diagnosis method at maintenance service 12 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble during operation W...

Page 27: ...heck code Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector open 5 P5 D...

Page 28: ...o refriger ant leakage or defective parts 4 Defective outdoor controller circuit board 1 Check connection of 63L connector on outdoor controller circuit board Refer to 12 9 2 Check the 63L side of connecting wire 3 Check refrigerant pressure Charge additional refrigerant Check continuity by tester Replace the parts if the parts are defective 4 Replace outdoor controller circuit board F9 4119 2 con...

Page 29: ...Abnormal if the number cannot be checked automatically due to mis wiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circuit board recognizes the number of connected indoor units as 5 units or more 1 Check disconnection or looseness or polarity of indoor outdoor unit connecting wire of indoor and outdoor units 2 Check diame...

Page 30: ...tion for F5 7 Check linear expansion valve Refer to 12 6 8 Replace outdoor controller circuit board or FAN controller circuit board Case U2 1102 Abnormal high discharging temperature 1 Abnormal if discharge temperature thermistor TH4 exceeds 125 or 110 continuously for 5 minutes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 40 during defrosting and discharge temperature therm...

Page 31: ...during defrosting 1 Disconnection or contact failure of connector TH4 on the outdoor controller circuit board 2 Defective thermistor 3 Defective outdoor controller circuit board 1 Check connection of connector TH4 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 Refer to 12 9 2 Check resistance value of thermistor TH4 or temperature by microcomputer Thermi...

Page 32: ...outdoor unit is closed 2 Decrease of power supply volt age 3 Looseness disconnection or converse of compressor wiring connection 4 Defective fan of indoor outdoor units 5 Short cycle of indoor outdoor units 6 Defective input circuit of out door controller circuit board 7 Defective compressor 8 Defective outdoor power circuit board 1 Open stop valve 2 Check facility of power supply 3 Correct the wi...

Page 33: ...ontact failure of connector CN4 between the outdoor controller circuit board and the outdoor power circuit board 3 Defective communication circuit of outdoor power circuit board 4 Defective communication circuit of outdoor controller circuit board for outdoor power circuit board 12 Check connection of each connector CN2 and CN4 between the outdoor controller circuit board and the outdoor power cir...

Page 34: ...is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wore of indoor unit FRESH MASTER or LOSSNAY is not con nected to terminal block for transmission wire of outdoor unit 3 Check if terminal block for transmission wire TB3 and terminal block for central control TB7 is not connected 4 Check transmission wave form or noise on transmission wire M NET comm...

Page 35: ...ctor CN2M of outdoor unit 3 Defective transmitting receiv ing circuit of outdoor unit or indoor unit Always try the followings when the error A7 occurs 1 Shut off the power supply of outdoor unit indoor unit and FRESH MASTER or LOSS NAY at the same time for 2 minutes or more and turn the power on again If malfunction was accidental the unit returns to normal 2 Check address switch of abnormality g...

Page 36: ...unit power supply of same refriger ant system with LOSSNAY is put off or within 2 minutes of restart abnormality is detect ed 3 Contact failure of transmission wire of indoor unit of LOSS NAY 4 Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is nonexistent 1 The unit of former addr...

Page 37: ...ED3 is blinking Indoor outdoor connecting wire is nor mal 4Check LED display on outdoor controller circuit board Refer to 12 10 Check protection device connector 63L and 63H for contact failure Refer to 12 9 Error Code Meaning of error code and detection method Case Judgment and action A8 6608 M NET NO RESPONSE Abnormal if a message was transmitted and there were reply ACK that message was receive...

Page 38: ... controller beep sound is heard however unit does not start operating 1No operation for 2 minutes at most after the power supply ON 2Hand held remote controller operation is prohibited Remote controlling adaptor is connected to CN32 on the indoor controller circuit board Hand held remote controller operation is prohibited by centralised controller etc since it is connected to MELANS 3Factor of No ...

Page 39: ...n the main power Normal The start up diagnosis will be over in around 2 minutes Mis wiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor controller board Defective outdoor controller circuit board Refer to Self diagnosis action table in order to solve the trouble In case of communication errors the display of remote controller may not match the LE...

Page 40: ...heck the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if mis wiring breaking or poor contact is causing this problem Indoor outdoor co...

Page 41: ...circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outdoor power circuit b...

Page 42: ...te controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If it is not between DC 10V and DC16V the indoor controller board must be defective The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Diagnosis flow Cause Inspection method and troub...

Page 43: ...FILTER from the display See the operation manual that came with the product for how to clean the filters 3 STANDBY is displayed on the screen 3 This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10 minutes later W...

Page 44: ...s controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flowing is heard from the unit 5 This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit 2 The fan speed doesn t match the setting of the remote controller in HEAT operation The up down vane will be automatically set to horizontal bl...

Page 45: ...irection doesn t change Up down vane left right louver 3 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Something is wron...

Page 46: ... water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once Water or moisture is expelled from the outdoor unit Batteries are being exhausted Replace them and press the reset button of remote controller The display of wireless remote controller gets dim or doesn t come on The indoor unit doesn t recei...

Page 47: ...e Brown Yellow Brown Blue Abnormal 46 4 Measure the resistance between the terminals using a tester At the ambient temperature 20 Solenoid valve coil Four way valve 21S4 Pin number of relay connector is different from that of motor connector Motor for compressor MC Linear expansion valve LEV A Normal Abnormal Open or short Open or short Measure the resistance between the terminals using a tester A...

Page 48: ... 273 t 273 0 15k 10 9 6k 20 6 3k 25 5 2k 30 4 3k 40 3 0k 1 1 Thermistor R120 7 465k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 20 250k 30 160k 40 104k 50 70k 60 48k 70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Thermistor Discharge TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 Temperature Resistance k OC3...

Page 49: ...han normal situation No noise is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 2 1 Red Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A DC12V Outdoor controller board Drive circuit ...

Page 50: ...can bend due to pressure How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to pipe B At this time be careful that stress is not added to lead wire and main body is not wounded by lead wire If the stopper is not firmly attached to pip...

Page 51: ...tioner will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible 4Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit 5Do not perform emergency cooling operation for more than 10 ho...

Page 52: ...eg 5deg HEAT 20 5 45 50 22 5 80 5 7 5 30deg 5deg w1 w1 w1 w1 w2 w2 Remarks w1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data If the unit enters emergency operation because TH values have become mismatched setting the thermistors to open short corrects the settings w2 If one thermistor is set to open short the values for each will be d...

Page 53: ...n to outdoor power circuit board CN4 LED1 LED2 Operating inspection indicators SW10 Model setup CN31 Emergency operation SW4 Test operation SW6 Model setup SW8 Model setup Replacement operation SW5 Function switch SWP Pump down SW1 Forced defrost detect history record reset refrigerant address CNMNT Connected to outdoor M NET board CNM A control service inspection kit CNVMNT Connected to outdoor M...

Page 54: ...ct to the outdoor controller circuit board CN2 1 5 Power circuit board Transmitting signal to the controller board 0 5V DC 2 5 Zero cross signal 0 5V DC 3 4 Not used 6 5 15V DC 7 5 15V DC 5 1 2 6 7 TB U TB V TB W Connect to the compressor MC Voltage among phases 10V 400V AC TB L1 TB L2 TB L3 Connect to the outdoor noise filter circuit board LO1 LO2 LO3 380V 415V AC Note The marks L1 L2 L3 N1 N2 P1...

Page 55: ...nput Connect to the terminal block TB1 GD1 Connect to the earth CNAC1 CNAC2 AC220 230 240V Connect to the out door controller circuit board CNAC CNDC Connect to the out door controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 AC380 400 415V OUTPUT Connect to the outdoor power circuit board TB L1 L2 L3 CNCT Primary current Connect to the out door power circuit board CN5 O...

Page 56: ... broken Check of POWER MODULE Check of IGBT circuit P U P V P W N U N V N W Note The marks U V and W shown in the diagram above are not actually printed on the board 1 2 1 2 5 3 1 N U W TAB U TAB V TAB W Connect to the Fan motor MF Voltage among phases 20V 380V AC CN6 Control signal from outdoor controller circuit board CN331 CN2 Power supply from outdoor controller circuit board CN332 282V DC 282...

Page 57: ... if above conditions are satisfied when DIP SW1 1 is changed from OFF to ON After DIP SW1 1 is changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 12 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches w1 Power failure automatic recovery can be set by either remote controller or this DIP SW If one of th...

Page 58: ... to wiring 1 Make the circuit as shown above with Adaptor for external signal input PAC SC36NA 2 Turn SW1 to on for Low level sound priority mode Turn SW1 to off to release Low level sound priority mode and normal operation b On demand control Local wiring Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 100 How to wiring Basical...

Page 59: ... remote controller Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller board and M NET p c board Communication error of high prior signal M NET W1 Remote controller displays error c...

Page 60: ...ent sensor P B Abnormality of power module Open short of discharge thermistor TH4 Open short of outdoor thermistors TH3 TH32 TH6 TH7 and TH8 1Check if connectors TH3 TH32 TH4 TH6 and TH7 on outdoor controller circuit board and connector CN3 on outdoor power circuit board are not disconnected 2Measure resistance value of outdoor thermistors Abnormality of heat sink temperature 1Check if indoor outd...

Page 61: ... code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb Ec E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Mis wiring ...

Page 62: ...reds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 secs 0 5 secs 2 secs 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 50 LEV A opening pulse 0 480 0 50 wOmit the figures after the decimal fractions 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse ...

Page 63: ...ay of error unit number and code 3 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5 secs 2 secs A Code display Code display 0 20 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 999 Test run elapsed time 0 120 0 999 When i...

Page 64: ... H P 1 Cooling only 0 Single phase 2 Three phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump three phase and defrosting normal are set up 20 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns 39 88 When the temperatur...

Page 65: ...0 760 360 760 When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns V 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature 17 30 Outdoor pipe temperature Cond Eva TH6 39 88 Outdoor internal heat sink tempera ture TH8...

Page 66: ...t code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit num ber and code When no error history 0 and are displayed by turns Error thermistor display When there is no error thermistor is displayed 3 Outdoor pipe temperature Liquid TH3 TH32 6 Outdoor pipe t...

Page 67: ...ature are displayed by turns Example When 15 C 0 5 secs 0 5 secs 2 secs Outdoor pipe temperature Cond Eva TH6 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5 secs 2 secs Outdoor outside temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Exa...

Page 68: ...mperature Cond Eva TH5 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge super heat on error occurring SHd 0 255 Cooling TH4 TH6 Heating TH4 TH5 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 15 1 15 4 Suspensive U9 error detail 1 Display timing 1 During th...

Page 69: ...he temperature is 0 C or less and temperature are displayed by turns Example When 10 C 0 5 secs 0 5 secs 2 secs 10 1 ON 2 3 4 5 6 Liquid pipe temperature TH32 40 90 39 88 When the temperature is 0 C or less and temperature are displayed by turns 1 ON 2 3 4 5 6 Indoor pipe temperature Liquid TH2 4 Indoor 4 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns 1 ON 2...

Page 70: ...oller Data from main remote controller Not supported Supported Indoor unit does not intake outdoor air through LOSSNAY Supported Indoor unit intakes outdoor air through LOSSNAY 240V 220V 230V Auto energy saving operation ON Auto energy saving operation OFF 2 Normal 3 When the compressor operates the humidifier also operates When the fan operates the humidifier also operates Standard For high humid...

Page 71: ... 1 mode 4 deg up Not available 2 Fan speed when the Extra low 1 heating thermostat is OFF Stop 25 2 Set fan speed 3 Quiet operation mode Disabled Standard 26 1 of PLA AA Fan speed Enabled Quiet operation mode 2 Fan speed when the Set fan speed 27 1 cooling thermostat is OFF Stop 2 Detection of abnormality of Available 28 1 the pipe temperature P8 Not available 2 Swing Wave air flow PLA BA Temperat...

Page 72: ...cified indoor unit BLOW operation Change refrigerant address unit No 2 Switch to function setting mode Press A and B at the same time with the remote controller stopped 13 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position is given...

Page 73: ... number display area and the refrigerant address display area also blinks there are no units that corre spondtotheselectedunitnumber Inthiscase therefrigerantaddressandunit number may be incorrect so repeat steps 2 and 3 to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been set to perform fan operation the...

Page 74: ...ps 0 4 seconds each repeated three times If a setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was not received by the sensor you will not hear a beep or a double ping sound may be heard Reenter the setting number 6 Repeat steps 4 and 5 to make an additional setting without changing unit number 7 Repeat steps 3 to 5 to...

Page 75: ...ing value The automatic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not displayed when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button 1 Main The controller will be the main controller 2 Sub The controller will be the sub controller 2 Use of clock setting To switch the...

Page 76: ...ode is not displayed when the operation mode is selected The temperature range limit is not active Initial setting value The temperature range can be changed on cooling dry mode The temperature range can be changed on heating mode The temperature range can be changed on automatic mode The remote controller will be the main controller Initial setting value The remote controller will be the sub cont...

Page 77: ...with the air conditioner stopped skip to step 4 Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operation 2 Press the MODE button to select the desired operation mode Display A 3 Press the FILTER button to confirm the setting Display D Waiting for stabilization HEAT STABLE MODE STABLE MODE...

Page 78: ...mp discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display C Waiting for response Flashing After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor unit Remote controll...

Page 79: ...r heat exchanger temperature 8 Indoor heat exchanger temperature 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable Stable Unstable Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 or higher or indoor intake air temp...

Page 80: ...to select the desired refrigerant address Screen B 4 Press the CLOCK buttons and to set the desired request code No 5 Press the FILTER button to perform data request The requested data will be displayed at C in the same way as in maintenance mode Data collected during operation of the remote controller will be displayed The collected data such as temperature data will not be updated automatically ...

Page 81: ...ndoor unit Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 deg correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 Indoor unit Liquid pi...

Page 82: ...or postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Referto15 2 1 DetailContentsinRequestCode Referto15 2 1 DetailContentsinRequestCode Referto15 2 1 DetailContentsinRequestCode Referto15 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displays postponem...

Page 83: ...to last Abnormal thermistor display TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit Liquid pipe 2 temperature at time of error Outdoor unit ...

Page 84: ... time Indoor fan output value Sj value Indoor fan output value Pulsation ON OFF Indoor fan output value duty value Indoor unit Model setting information Indoor unit Capacity setting information Indoor unit SW3 information Wireless pair No indoor control board side setting Indoor unit SW5 information Indoor unit Microcomputer version information Indoor unit Microcomputer version information sub No ...

Page 85: ...ut state Operation mode Indoor unit Control state Request code 50 Data display Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d Defrost Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Display State 0 Normal 1 Preparing for heat operation 2 3 4 Heater is ON ...

Page 86: ...ve Compressor 0 1 2 3 4 5 6 7 8 9 A b C d E F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Overvoltage Undervoltage L1 phase Power synchron...

Page 87: ... display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display Setting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump three phase cooling only 0 Single phase Heat pump 1 Cooling only 2 Three phase Heat pump 3 Co...

Page 88: ... 0 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 1 1 0 0 1 0 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 0 1 1 1 1 1 0 1 0 0 0 0 1 1 1 0 0 0 1 1 0 1 0 0 1 1 1 1 0 0 1 1 0 0 1 0 1 1 1 0 1 0 1 1 0 1 1 0 1 1 1 1 1 0 1 1 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Outdoor unit switch setting display SW1...

Page 89: ...L 32 13 33 14 34 15 35 16 36 17 37 18 38 19 39 1A 3A 1b 3b 1C 3C 1d 3d 1E 3E 1F 3F Indoor unit Capacity setting information Request code 163 Data display 0 0 See the table on the right Display Capacity setting state Display Capacity setting state 00 12 10 112 01 16 11 125 02 22 12 140 03 25 13 160 04 28 14 200 05 32 15 224 06 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71 1C 0d 8...

Page 90: ... screws 5o10 see photo 2 2 Remove the rear panel by sliding it towards you w It is the panel to remove when you maintain the machine room from the rear side 3 Removing the front panel 1 Remove 7 front panel fixing screws 5o10 see photo 1 2 Remove the front panel by sliding it towards you then upward w It is the panel to remove when you maintain the thermistor and the fan motor w When servicing pay...

Page 91: ...connect the relay connector of the fan motor lead wire in the electrical parts box 4 Loosen all the clamps for the fan motor lead wire and pull out the wire from the penetration part 5 Remove 4 motor support fixing screws 5o15 Motor support together with the fan motor See photo 4 Note 2 The motor support and the fan motor should be held by two people 6 Remove 4 fan motor fixing screws M6o16 Fan mo...

Page 92: ...ghtening torque 1 7 2 1N m 6 Removing the thermistor Outdoor 2 phase pipe TH6 and thermistor Outdoor TH7 w TH6 and TH7 are replaced together since they are combined at the connector to the controller circuit board 1 Remove the service panel and the front panel 2 Disconnect the connector TH6 7 4P red from the controller circuit board 3 Loosen all the clamps for the lead wire and cut 2 fasteners See...

Page 93: ...Disconnect the connector SV2 3P blue from the controller circuit board 3 Loosen all the clamps for the lead wire and cut 2 fasteners See photo 7 4 Remove the bypass solenoid valve coil fixing screw M5o6 See photo 9 5 Remove the bypass solenoid valve coil by sliding it upward Linear expansion valve coil 2 Disconnect the connector LEV A 6P white from the controller circuit board 3 Loosen all the cla...

Page 94: ...ating 120 or more then braze the pipe non oxidizing braze 11 Removing the linear expansion valve 1 Remove Service panel See photo 1 3 cover panel fixing screws 5o10 Cover panel See photo 6 Linear expansion valve coil See photo 11 2 valve bed support fixing screws 5o10 then valve bed support See photo 9 4 valve bed fixing screws 5o10 4 stop valve fixing screws 5o16 then valve bed See photo 15 2 Col...

Page 95: ... by removing the right side panel 13 Removing the low pressure switch and the high pressure switch 1 Remove Service panel See photo 1 3 cover panel fixing screws 5o10 Cover panel See photo 6 2 valve bed support fixing screws 5o10 then valve bed support See photo 9 4 valve bed fixing screws 5o10 4 stop valve fixing screws 5o16 then valve bed See photo 15 3 Disconnect the lead wire for the low press...

Page 96: ... screws 5o10 Cover panel See photo 6 2 valve bed support fixing screws 5o10 then valve bed support See photo 9 4 valve bed fixing screws 5o10 4 stop valve fixing screws 5o16 then valve bed See photo 15 Terminal cover 3 lead wire fixing screws M5o10 then disconnect the lead wire of terminal See photo 15 2 Collect the refrigerant 3 Remove the sound insulation 4 Disengage the welded points of the com...

Page 97: ...low the fan motor then remove the hearsink duct See photo 16 2 Collect the refrigerant 3 Disengage 2 welded points of the accumulator inlet and outlet See photo 17 4 Remove 4 accumulator fixing screws 5o10 then take out the accumulator Note 1 Collect the refrigerant without releasing in the air Note 2 The welded points can be accessed easily by remov ing the rear panel When servicing from the rear...

Page 98: ...AL PARTS PUHZ RP200YHA PUHZ RP250YHA PUHZ RP200YHA1 PUHZ RP250YHA1 1 12 6 13 14 15 16 12 18 19 17 22 25 26 24 23 20 21 4 3 2 10 9 8 7 5 11 12 17 PARTS LIST non RoHS compliant OC338C 4 qxp 07 5 24 11 27 AM Page 98 ...

Page 99: ...RTS BOX STAND SENSOR HOLDER SEPARATOR CAP R01 E01 675 R01 E05 662 R01 E06 668 R01 E05 667 R01 E06 658 R01 E07 658 R01 H75 202 R01 E00 808 R01 E74 202 R01 H76 202 R01 E10 661 R01 E07 667 R01 E03 698 R01 E66 408 R01 E39 409 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 YHA Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Na...

Page 100: ...100 FUNCTIONAL PARTS PUHZ RP200YHA PUHZ RP250YHA PUHZ RP200YHA1 PUHZ RP250YHA1 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 19 18 20 OC338C 4 qxp 07 5 24 11 27 AM Page 100 ...

Page 101: ... 410 741 R01 E20 242 R01 E59 401 R01 E06 413 R01 E05 413 R01 E09 410 R01 E08 410 R01 E11 410 R01 E00 450 R01 30L 450 R01 E07 410 R01 E00 570 R01 E00 417 T7W E01 417 R01 E01 450 R01 E02 450 T7W E07 242 T7W E26 242 R01 E11 403 R01 E12 403 R01 E04 490 T7W E06 242 T7W E27 242 R01 E03 428 R01 E11 428 T7W E03 208 R01 25T 209 T7W E13 440 R01 E00 201 R01 E19 425 R01 E20 425 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Page 102: ...T7W E27 315 T7W E41 315 R01 E02 239 R01 E03 239 R01 30L 241 T7W E06 346 T7W E15 346 T7W E06 716 R01 17J 246 T7W E05 259 R01 E08 233 T7W E11 313 T7W E27 313 T7W E38 310 T7W E49 310 T7W E03 254 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 YHA Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Q ty set Remarks Drawing No BH00C028G10 RG11N336G05 RG02N450G10 RG02N...

Page 103: ...PORT MOTOR SUPPORT FAN MOTOR PROPELLER FAN R01 E01 122 R01 E05 097 R01 E20 130 T7W E26 763 R01 E03 115 1 2 3 4 5 6 YHA Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Remarks Drawing No BG02U187H03 MF Q ty set YHA1 Nuto1 washero2 in a set 1 2 3 4 5 6 OC338C 4 qxp 07 5 24 1 04 PM Page 103 ...

Page 104: ...RUCTURAL PARTS PUHZ RP200YHA1 PUHZ RP250YHA1 PUHZ RP200YHA2 PUHZ RP250YHA2 1 12 6 13 14 15 16 12 18 19 17 22 25 26 24 23 20 21 4 3 2 10 9 8 7 5 11 12 18 RoHS PARTS LIST OC338C 4 qxp 07 5 24 11 27 AM Page 104 ...

Page 105: ...OR CAP R01 E02 675 R01 E17 662 R01 E10 668 R01 E15 667 R01 E15 658 R01 E19 658 R01 H04 202 R01 E02 808 R01 H03 202 R01 H02 202 R01 E33 661 R01 E16 667 R01 E08 698 R01 E92 408 R01 E41 409 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Remarks Drawing No TH32 TH6 TH7 BH02...

Page 106: ...106 FUNCTIONAL PARTS PUHZ RP200YHA1 PUHZ RP250YHA1 PUHZ RP200YHA2 PUHZ RP250YHA2 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 19 18 20 OC338C 4 qxp 07 5 24 11 27 AM Page 106 ...

Page 107: ...50 R01 31L 450 R01 E14 410 R01 E01 570 R01 E01 417 T7W E02 417 R01 E09 450 R01 E07 450 T7W E26 242 R01 E12 403 R01 E13 490 T7W E27 242 R01 E13 428 T7W E06 208 R01 E00 209 T7W E14 440 R01 E12 201 R01 E28 425 R01 E29 425 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Part No No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Remarks Drawing No MC LEV 63H 63L TH4 3...

Page 108: ...IN SMOOTHING CAPACITOR ELECTRICAL PARTS BOX WATERPROOFSHEETFORTHEELECTRICALPARTS T7W E45 315 T7W E54 315 R01 E06 239 R01 E07 239 R01 30L 241 T7W E15 346 T7W E30 716 R01 E19 246 T7W E13 259 R01 E10 233 T7W E33 313 T7W E49 310 T7W E07 254 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Remarks Drawing No 5P L1 L2 ...

Page 109: ...MOTOR SUPPORT FAN MOTOR PROPELLER FAN R01 E02 122 R01 E10 097 R01 E31 130 T7W E29 763 R01 E09 115 1 2 3 4 5 6 Part No Specification No Wiring Diagram Symbol Recom mended Q ty Price Unit Amount Part Name Remarks Drawing No BG02U187H03 MF Q ty set G G G G G G RoHS Nuto1 washero2 in a set 1 2 3 4 5 6 OC338C 4 qxp 07 5 24 11 27 AM Page 109 ...

Page 110: ...ted in May 2007 No OC338 REVISED EDITION C PDF 8 Distributed in Jul 2006 No OC338 REVISED EDITION B PDF 8 Distributed in Feb 2006 No OC338 REVISED EDITION A PDF 9 Distributed in Jun 2005 No OC338 PDF 9 Made in Japan New publication effective May 2007 Specifications subject to change without notice OC338C 4 qxp 07 5 24 11 27 AM Page 110 ...

Page 111: ...UHZ RP200 250_Service_Manual_ OCH428 PUHZ RP200 250_Installation_Manual_ BG79U637H03 PUHZ RP200 250_Installation_Manual_ BG79U791K01 PUHZ RP200 250_Parts_Catalog_ OC338C PUHZ RP200 250_Parts_Catalog_ OCB428 PUHZ RP200 250_Service_Manual_ OC338C ...