Mitsubishi Electric PUHZ-ZRP100YKAR1 Service Manual Download

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136

1. Removing the service panel and top panel

(1) Remove 3 service panel fixing screws (5 × 12) and slide

the hook on the right downward to remove the service

panel.

(2) Remove screws (3 for front, 3 for rear/5 × 12) of the top

panel and remove it.

2. Removing the fan motor (MF1, MF2)

(1) Remove the service panel. (See Photo 1)

(2) Remove the top panel. (See Photo 1)

(3) Remove 4 fan grille fixing screws (5 × 12) to detach the

fan grille. (See Photo 1)

(4) Remove a nut (for right handed screw of M6) to detach the

propeller. (See Photo 2.)

(5) Disconnect the connectors, CNF1, CNF2 on controller

circuit board in electrical parts box.

(6) Remove 4 fan motor fixing screws (5 × 20) to detach the

fan motor. (See Photo 3)

3. Removing the electrical parts box

(1) Remove the service panel. (See Photo 1)

(2) Remove the top panel. (See Photo 1)

(3) Disconnect the indoor/outdoor connecting wire from

terminal block.

(4) Disconnect the connector CNF1, CNF2, LEV-A and LEV-B

on the controller circuit board.

• Fan motor (CNF1, CNF2)

• LEV (LEV-A and LEV-B) (LEV-C (140 only))

(5) Disconnect the pipe-side connections of the following parts.

• Thermistor <Outdoor pipe> (TH3) (TH33)

• Thermistor <Discharge> (TH4)

• Thermistor <Outdoor 2-phase pipe, Outdoor> (TH7/6)

• High pressure switch (63H)

• 4-way valve coil (21S4)

• Thermistor <Comp. surface> (TH32)

(6) Remove the terminal cover and disconnect the

compressor lead wire.

(7) Remove 2 electrical parts box fixing screws (4 × 10) and

detach the electrical parts box by pulling it upward. The

electrical parts box is fixed with 2 hooks on the left and 1

hook on the right.

Photo 2

Photo 3

Photo 4

Electrical parts box

Electrical parts

box fixing screw

Photo 1

Top panel fixing screws

Top panel

Service panel

fixing screws

Service panel

Grille

fixing

screws

Grille

fixing

screws

Slide

PUHZ-ZRP100VKA PUHZ-ZRP125VKA

PUHZ-ZRP140VKA

Cover panel

fixing screws

Fan motor

fixing screws

Fan motor

fixing screws

Front panel

Propeller

Nut

OPERATING PROCEDURE

PHOTOS

OCH527C

Summary of Contents for PUHZ-ZRP100YKAR1

Page 1: ...11 TROUBLESHOOTING 30 12 FUNCTION SETTING 96 13 MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER 108 14 EASY MAINTENANCE FUNCTION 119 15 DISASSEMBLY PROCEDURE 126 Revision Added PUHZ ZRP35VKAR1 PUHZ ZRP35VKAR1 ER PUHZ ZRP35VKAR1 ET PUHZ ZRP50VKAR1 PUHZ ZRP50VKAR1 ER PUHZ ZRP50VKAR1 ET PUHZ ZRP60VHAR1 PUHZ ZRP60VHAR1 ER PUHZ ZRP60VHAR1 ET PUHZ ZRP71VHAR1 PUHZ ZRP71VHAR1 ER and PUHZ ZRP71VHAR1 ...

Page 2: ...PUHZ ZRP50VKAR1 ER PUHZ ZRP50VKAR1 ET PUHZ ZRP60VHA PUHZ ZRP60VHAR1 PUHZ ZRP60VHAR1 ER PUHZ ZRP60VHAR1 ET PUHZ ZRP71VHA PUHZ ZRP71VHAR1 PUHZ ZRP71VHAR1 ER PUHZ ZRP71VHAR1 ET PUHZ ZRP100VKA PUHZ ZRP125VKA PUHZ ZRP140VKA PUHZ ZRP100YKA PUHZ ZRP100YKAR1 PUHZ ZRP125YKA PUHZ ZRP125YKAR1 PUHZ ZRP140YKA PUHZ ZRP140YKAR1 PUHZ ZRP35VKA PUHZ ZRP35VKAR1 ER ET PUHZ ZRP50VKA PUHZ ZRP50VKAR1 ER ET PUHZ ZRP60VKA...

Page 3: ... following Be sure to clean the pipes and make sure that the insides of the pipes are clean Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes 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 2 REFERENCE MANUAL Model Name Service Ref Servi...

Page 4: ...an cause deterio ration of refrigerant oil etc Charge refrigerant from liquid phase of gas cylinder If the refrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered Do not use refrigerant other than R410A If other refrigerant R22 etc is used chlorine in refrige rant can cause deterioration of refrigerant oil etc Handle tools with care If d...

Page 5: ...Refrigerant recovery equipment Perform the airtight test vacuum air purging additional refrigerant charging if necessary and gas leak check Refer to the flowchart below to determine if the existing pipes can be used and if it is necessary to use a filter dryer If the diameter of the existing pipes is different from the specified diameter refer to technological data materials to confirm if the pipe...

Page 6: ... 27 0 36 0 Nominal dimensions inch Flare nut dimensions Outside diameter mm Dimension B R410A 36 0mm for indoor unit of RP100 125 and 140 R22 mm 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 ...

Page 7: ...improves the quality and reli ability of the work done It also helps to speed up the installation time REFRIGERANT LEAKAGE DETECTION FUNCTION PUHZ ZRP35 140 can detect refrigerant leakage which may happen during a long period of use PUHZ ZRP100VKA PUHZ ZRP125VKA PUHZ ZRP140VKA PUHZ ZRP100YKA PUHZ ZRP100YKAR1 PUHZ ZRP125YKA PUHZ ZRP125YKAR1 PUHZ ZRP140YKA PUHZ ZRP140YKAR1 PUHZ ZRP35VKA PUHZ ZRP35VK...

Page 8: ...o Discharge thermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 43 95 2 2 4 8 0 35 FV50S 0 50 FV50S 46 101 2 4 5 3 A kW W kW K min CFM dB dB mm in mm in mm in kg lb kg lb L mm in mm in Power supply phase cycle voltage Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive o No Fan motor output ...

Page 9: ...G 3 3 2 2 26 5 ANB33FNFMT 50 52 116 256 119 262 110 3 880 120 4 230 A kW W kW K min CFM dB dB mm in mm in mm in kg lb kg lb L mm in mm in Power supply phase cycle voltage Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive o No Fan motor output Airflow Defrost method Noise level Dimensions Weigh...

Page 10: ... 20 C U V U W W V Winding Resistance Service Ref Service Ref Additional charge is required for pipes longer than 30 m Service Ref Piping length one way Initial charged 10 m 20 m 30 m 40 m 50 m 60 m 75 m PUHZ ZRP35VKA PUHZ ZRP35VKAR1 PUHZ ZRP35VKAR1 ER PUHZ ZRP35VKAR1 ET 1 8 2 0 2 2 2 4 2 6 2 2 PUHZ ZRP50VKA PUHZ ZRP50VKAR1 PUHZ ZRP50VKAR1 ER PUHZ ZRP50VKAR1 ET 2 0 2 2 2 4 2 6 2 8 2 4 PUHZ ZRP60VHA...

Page 11: ...002 µbar BAND CENTER FREQUENCIES Hz PUHZ ZRP60VHA PUHZ ZRP60VHAR1 ER ET PUHZ ZRP71VHA PUHZ ZRP71VHAR1 ER ET COOLING MODE HEATING 47 SPL dB 48 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 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ ZRP100VKA PUHZ Z...

Page 12: ...C C C C Indoor unit D B W B D B D B W B PLA ZRP35BA PLA ZRP50BA PLA ZRP60BA PLA ZRP35BA PLA ZRP50BA PLA ZRP60BA Cooling 3 600 0 79 Heating 4 100 0 86 Cooling 5 000 1 43 Heating 6 000 1 57 Cooling 6 100 1 78 Heating 7 000 2 04 3 58 2 58 1 11 63 44 14 5 27 19 17 7 35 24 0 96 0 24 3 97 2 03 0 74 60 34 4 5 20 15 31 1 7 6 6 23 2 79 0 95 66 46 9 5 27 19 15 8 35 24 0 84 0 19 6 90 2 54 0 69 74 43 2 5 20 1...

Page 13: ...20 15 40 9 7 6 16 77 5 93 2 75 0 85 72 46 8 5 27 19 12 5 35 24 0 74 0 18 15 93 5 63 2 81 0 69 81 46 5 5 20 15 42 3 7 6 18 86 6 67 2 73 0 86 72 47 8 5 27 19 11 7 35 24 0 72 0 12 20 36 7 20 2 78 0 66 84 47 4 5 20 15 46 6 7 6 1 50 230 1 3 50 230 400 1 50 230 1 3 50 230 400 1 50 230 1 3 50 230 400 Phase Hz Voltage Current Outdoor unit Phase Hz Voltage Current Discharge pressure Suction pressure Discha...

Page 14: ...en 350mm or more Service port Connection for gas pipe FLARE 12 7 1 2F Connection for liquid pipe FLARE 6 35 1 4F Service panel for charge plug Service panel Earth terminal Terminal connection Left Power supply wiring Right Indoor Outdoor wiring 23 2 99 5 164 5 492 193 5 35 43 Air discharge Air intake Air intake oval hole 2 10 21 drain hole 42 360 330 32 5 300 40 404 5 48 Handle for moving Installa...

Page 15: ...g hole 2 27Knockout 9 2 27 55 73 23 63 40 92 65 45 Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 40 45 65 92 27 55 23 73 63 Rear piping hole Knockout Rear trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 Example of Notes 1 Refrigerant GAS pipe connection FLARE 15 88 5 8 inch 2 Refrigerant LIQUID pipe connection FLARE 9 52 3 8 inch...

Page 16: ...er Example of Notes Side Air Intake Rear Air Intake Handle for moving Handle for moving Power supply wiring hole ø27Knockout Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole ø40Knockout 60 55 63 73 55 27 26 75 92 60 ø 9 2 Power supply wiring hole ø27Knockout Right piping hole Knockout Right trunking hole Knockout Power supply wiring hole ø40Knockout 75 50 26 27 63 7...

Page 17: ...Lead Wire L Phase LD LI Lead Wire N Phase LD NI Lead Wire L Phase Reactor LD R0 S0 LD R L LD S1 LD S2 LD S3 LD EI LD E2 LD E3 Lead Wire Indoor Outdoor Lead Wire Ground Q1 CB1 CB2 Diode Bridge DS1 DS2 Power Module IGBT IPM RS1 CNVMNT CNDM LED1 LED2 LED Operation Inspection Indicators Connector Connected to Optional M NET Adapter Board Connector Connected for Option Contact Input C B SYMBOL NAME SYM...

Page 18: ... Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat Sink TH32 Thermistor Comp surface Electronic Expansion Valve Reactor CY1 CY2 Capacitor Power Circuit Board Connection Terminal U V W Phase P B TABU V W Noise Filter Circuit Board Connection Terminal L Phase Connection Terminal Ground N F LI LO Connection Terminal N Phase NI NO EI E2 E3 Controller Circuit Board Switch Forced Defros...

Page 19: ...ption Contact Input Fuse T6 3AL250V X51 X52 Relay SS Connector Connection for Option Connector Connection for Option CN3S Connector Connection for Option LEV A LEV B LEV C Power Module N2 Connection Terminal Connection Terminal Reactor Connection Terminal Ground DCL1 DCL2 IGBT EI E2 E3 E4 P B Power Circuit Board Connection Terminal U V W Phase P2 Connection Terminal NI Connection Terminal N Phase ...

Page 20: ...rol Service Inspection Kit Connector Connect to Optional M NET Adapter Board Connector Connect to Optional M NET Adapter Board CNDM Connector Connection for Option Contact Input CN51 Connector Connection for Option SS Connector Connection for Option X51 X52 Relay FUSE T6 3AL250V F1 F4 Connection Terminal TB N Switch Function Switch Model Select SW5 LEV A WHT 6 1 3 LEV B RED 6 1 CNVMNT WHT CN4 WHT ...

Page 21: ...A Control Service Inspection Kit Connector Connect to Optional M NET Adapter Board Connector Connect to Optional M NET Adapter Board CNDM Connector Connection for Option Contact Input CN51 Connector Connection for Option SS Connector Connection for Option X51 X52 Relay FUSE T6 3AL250V F1 F4 Connection Terminal TB N Switch Function Switch Model Select SW5 LEV A WHT 6 1 3 LEV B RED 6 1 CNVMNT WHT CN...

Page 22: ...l ZRP35 50V ZRP60 70V ZRP100 125V ZRP140V ZRP100 125 140Y Outdoor unit power supply N single 50 Hz 230 V N single 50 Hz 230 V N single 50 Hz 230 V N single 50 Hz 230 V 3N 3 ph 4 wires 50 Hz 400 V Outdoor unit input capacity main switch Breaker 1 16 A 25 A 32 A 40 A 16 A Wiring Wire No size mm Outdoor unit power supply 3 Min 1 5 3 Min 2 5 3 Min 4 3 Min 6 5 Min 1 5 Indoor unit Outdoor unit 2 3 1 5 P...

Page 23: ... heater Connectors connections when shipped from the factory are for indoor unit power supplied from outdoor unit Indoor unit power supplied from outdoor unit when shipped from factory If the indoor and outdoor units have separate power supplies change the connections of the connectors as shown in the following figure Connectors Indoor unit control board Separate indoor unit outdoor unit power sup...

Page 24: ...1 o Min 2 5 Indoor unit Outdoor unit earth Wire No o Size mm Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point Indoor unit Outdoor unit Indoor Outdo...

Page 25: ...more than 2 earthing spots on the shield wire noise may enter into the shield wire because the earth wire and shield wire form 1 circuit and the electric potential difference occurs due to the impedance difference among earthing spots In case of single spot earthing noise does not enter into the shield wire because the earth wire and shield wire do not form 1 circuit To avoid communication errors ...

Page 26: ...FF All refrigerant addresses are 00 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 23 4 5 6 7 8 9 0 1 2 50 M NET Address No Setting example Switch setting SW11 1st digit SW12 2nd 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 ...

Page 27: ...or TH33 Outdoor pipe Heat exchanger Refrigerant LIQUID pipe connection 9 52 3 8 Stop valve with service port Strainer 100 Power receiver Linear expansion valve B Linear expansion valve A Strainer 100 Thermistor TH6 Outdoor 2 phase pipe Thermistor TH3 Outdoor pipe High pressure switch 63H Thermistor TH4 Discharge Thermistor TH32 Comp surface Compressor Strainer 50 Strainer 100 Strainer 100 4 way va...

Page 28: ...ng PUHZ ZRP100VKA PUHZ ZRP125VKA PUHZ ZRP100YKA PUHZ ZRP125YKA PUHZ ZRP100YKAR1 PUHZ ZRP125YKAR1 PUHZ ZRP140VKA PUHZ ZRP140YKA PUHZ ZRP140YKAR1 Distributor Thermistor TH7 Outdoor Thermistor TH33 Outdoor pipe Heat exchanger Refrigerant LIQUID pipe connection 9 52 3 8 Stop valve with service port Strainer 100 Power receiver Linear Heat interchange circuit expansion valve B Linear expansion valve C L...

Page 29: ...tes after the power circuit breaker is turned on 5 Perform the refrigerant collecting operation cooling test run Push the pump down SWP switch push button type on the control board of the outdoor unit The compressor and ventilators indoor and outdoor units start operating refrigerant collecting operation begins LED1 and LED2 on the control board of the outdoor unit are lit Only push the pump down ...

Page 30: ...ervice 3There is no abnormality in electrical component controller board remote controller etc 1Re check the abnormal symptom 2Conduct troubleshooting and ascertain the cause of the trouble according to 11 5 TROUBLESHOOTING OF PROBLEMS 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of parts such as electrical component controller bo...

Page 31: ...F3 F4 Remain Vane Cool mode Check the cold air blows out Heat mode Check the heat blows out Press the F1 button to go through the operation modes in the order of Cool and Heat Check the auto vane with the F1 F2 buttons Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appear The test run will automatically stop after 2 ho...

Page 32: ... the following screen will appear Check the error status stop the operation and consult your dealer Contact information dealer s phone number will appear if the information has been registered F1 F2 F3 F4 F1 F2 F3 F4 Error information Error reset Error reset Error code Error unit IU Ref address Unt Model name Serial No Reset Page Reset current error Error reset OK Cancel Main menu Reset error Rese...

Page 33: ...rror Unt dd mm yy Error history Cancel OK Delete error history Error history Check menu Error history deleted 2 Select Error history with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button 3 Select Error history from the Check menu and press the button to view up to 16 error history records 4 records are shown per page and the top record on the firs...

Page 34: ...reen 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 button 4 Press AIR DIRECTION button 5 Check the outdoor unit f...

Page 35: ...te controller display turned off A and current operation mode are displayed 3 Press the button to activate mode then check whether cool air blows out from the unit 4 Press the button to activate mode then check whether warm air blows out from the unit 5 Press the button and check whether strong air blows out from the unit 6 Press the button and check whether the auto vane operates properly 7 Press...

Page 36: ... Select Self check with the F1 or F2 button and press the button 1 Select Service from the Main menu and press the button 3 Check code unit number attribute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press ...

Page 37: ...r on the remote controller display if the correct voltage 8 5 12 V DC is not supplied to the remote control ler If this is the case check the remote controller wiring and indoor units OK No problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line...

Page 38: ...the error history for each unit using the remote controller 1 Switch to self diagnosis mode Press the CHECK button H in the picture above twice within 3 seconds The display content will change as shown below 2 Set the unit number or refrigerant address you want to diagnose Press the TEMP buttons and F in the picture above to select the desired number or address The number address changes 01 and 50...

Page 39: ...LTER button A in the picture in the previous page 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 controller must be replaced ...

Page 40: ...on except for SLZ model When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop ON OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min RESET SET CLOCK CHECK CHECK display Temperature button CHECK button Refrigerant address display HOUR button ON OFF button In case of trouble during operation for S...

Page 41: ...lashes Check 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 CN4...

Page 42: ...terminal block TB1 b Connection of terminal on outdoor power circuit board 3 Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector LD1 and LD2 for ZRP60 71V and CNDC for ZRP100 140 on the outdoor power circuit board V noise filter Y Refer to 11 9 TEST POINT DIAGRAM 4 Check connection of reactor DCL or ACL Refer to 8 WIRING DIAGRAM 5 a Chec...

Page 43: ...mal if the number cannot be checked automatically due to miswiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circuit board recognizes excessive number of indoor units 1 Check disconnection or looseness or polarity of indoor outdoor unit connecting wire of indoor and outdoor units 2 Check diameter and length of indoor outd...

Page 44: ...ons in A or B are detected simultaneously for 10 minutes continu ously after 6 minutes past from compres sor start up including the thermostat indication or recovery from defrosting Condition A Heating mode When discharge superheat is less than 70 When the TH6 temp is more than the value obtained by TH7 5 When the condensing temp of TH5 is less than 35 Condition B During compressor operation Cooli...

Page 45: ...ard CN3 2 Defective thermistor 3 Defective outdoor controller circuit board U6 4250 Power module Check abnormality by driving power module in case overcurrent is detected UF or UP error condition 1 Outdoor stop valve is closed 2 Decrease of power supply voltage 3 Looseness disconnection or converse of compressor wiring connection 4 Defective compressor 5 Defective outdoor power circuit board 1 Ope...

Page 46: ...ntroller cir cuit boad ZRP35 50 4 Replace outdoor power circuit board 5 Replace outdoor converter circuit board ZRP YKA 6 Check RS wiring ZRP YKA 7 Replace RS ZRP YKA 8 Check CB wiring ZRP YKA 9 Check CN2 wiring ZRP100 140VKA 0 Replace outdoor controller circuit board ZRP100 140VKA 04 Input current sensor error L1 phase open error Decrease in input current through outdoor unit to 0 1A only if oper...

Page 47: ...ge Overcurrent Increase of DC bus voltage to 35 50VKA 400V 60 71VHA 420V Decrease in PFC control volt age to 12V DC or lower Increase in input current to 50A peak ZRP35 71V 20 PFC IGBT error Undervoltage When Compressor is running DC bus voltage stays at 310 V or lower for consecutive 10 seconds ZRP60 71VHA ZRP100 140VKA 1 Incorrect switch settings on the outdoor controller circuit board for model...

Page 48: ...acement of the outdoor controller circuit board disconnect the wiring to compressor from the outdoor power circuit board and check the output voltage among phases U V W during test run No defect on board if voltage among phases U V V W and W U is same Make sure to perform the voltage check with same performing frequency 8Replace outdoor power circuit board 9Check the DIP switch setting of outdoor ...

Page 49: ...le memory of the remote controller control board Check code E1 2 Abnormal if the clock function of remote controller cannot be normally operated Check code E2 1 Defective remote controller 1 Replace remote controller E6 6840 Indoor outdoor unit communication error Signal receiving error 1 Abnormal if indoor controller board could not receive any signal normally for 6 minutes after turning the powe...

Page 50: ...ts connection 4 Defective detection of indoor room temperature and pipe condenser evaporator temperature thermistor 5 Stop valve is not opened completely Pipe temperature Cooling mode Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor starts and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at leas...

Page 51: ...e rose because of defective repeater a function to connector or disconnect transmission of control and central control system of outdoor unit then abnormality is detected 1 Check if transmission wire of indoor unit FRESH MASTER LOSSNAY or remote controller is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wire of indoor unit FRESH MASTER or LOSSNAY ...

Page 52: ...rmality generated address 3 Check disconnection or looseness of abnormality generated or abnormality detected transmission wire terminal block and connector 4 Check if tolerance range of transmission wire is not exceeded 5 Check if type of transmission wire is correct or not If there were some troubles of 1 5 above repair the defect then turn off the power supply of outdoor unit indoor unit and FR...

Page 53: ...of same refrig erant system with LOSSNAY is turned off or within 2 min utes of restart abnormality is detected 3 Contact failure of transmis sion wire of indoor unit of LOSSNAY 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 non existent 1 The unit of former address does not e...

Page 54: ...controller board 1 When LED3 is not blinking Check indoor outdoor connecting wire for Miswiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LED3 is blinking Indoor outdoor connecting wire is normal 4 Check LED display on outdoor controller circuit board Refer to 11 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS Check protection device connector 63H for contact failure Refer to 11 9 T...

Page 55: ...tely when turning off by the remote controller 12 Normal operation For protection of compressor 12 Normal operation 4 Even controlling by the wireless remote controller no beep is heard and the unit does not start operating Operation display is indicated on wireless remote controller 1 The pair number settings of the wireless remote controller and indoor controller board are mismatched 1 Check the...

Page 56: ... after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Miswiring 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 n...

Page 57: ...e blown Check 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 miswiring breaking or poor contact is causing this problem Indoor ou...

Page 58: ... controller 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 pow...

Page 59: ...B5 of the indoor unit Defective remote controller Replace the remote controller Breaking or poor contact of the remote controller wire Check if there is breaking or poor contact of the remote controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If it is not between 10 V DC and 16 V DC the indoor controller board must be defective The remote controller w...

Page 60: ... to clear 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 minut...

Page 61: ...door unit is 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 does not match the setting of the remote controller in HEAT operation The up down vane will be automatically set to h...

Page 62: ...The airflow direction does not 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 Som...

Page 63: ...down Heating water drips down from the heat exchanger Note 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 does not come on The indoor ...

Page 64: ...e LEV A LEV B For ZRP35 71 Linear expansion valve LEV A LEV B LEV C For ZRP100 140 Normal Abnormal Open or short Abnormal Open or short Refer to 6 2 COMPRESSOR TECHNICAL DATA ZRP35 71 Open or short Disconnect the connector then measure the resistance with a tester Winding temperature 20 C Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Refer to the next page Fan moto...

Page 65: ...1 2 Fuse check Check the fuse F5 on outdoor controller board Power supply check Remove the connector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC 250 330 V DC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC Recover wiring Replace outdoor controller board Replace the fan motor Replace outdoor controlle...

Page 66: ... 17 k 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465 k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heatsink TH8 ZRP35 71V ZRP100 140Y only 20 250 k 30 160 k 40 104 k 50 70 k 60 48 k 70 34 k 80 24 k 90 17 5 k 100 13 0 k 110 9 8 k High temperature thermistor Thermistor Discharge TH4 Thermistor Comp surface TH32 0 10 20 30 40 50 2...

Page 67: ...ed more sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Red Blue Orange Yellow White 3 4 5 6 Connector LEV A LEV B DC12V Outdoor controller board Drive cir...

Page 68: ...ore sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 3 4 5 6 Connector LEV A LEV B LEV C DC12V Outdoor controller board Drive c...

Page 69: ...re Be sure to attach the stopper to pipe B B A 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 wound by lead wire If the stop per is not f...

Page 70: ...rwise pipes 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 main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly at...

Page 71: ...t 3 During emergency operation the air conditioner 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 4 Do 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 5 Do not perform e...

Page 72: ...T 20 5 45 50 22 5 80 5 7 5 30 5 1 1 1 1 2 2 Remarks 1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emergency operation with the values listed above 2 If one thermistor is set to open short the values for SHd SC w...

Page 73: ... sound priority mode 1 3 Input of external contact point CN51 External signal output Compressor operating signal Abnormal signal LEV A B Linear expansion valve CNF1 Connect to the fan motor 1 4 250 330 V DC 5 4 15 V DC 6 4 0 6 5 V DC 7 4 15 V DC When stopped 7 5 V DC When operated 0 15 V pulse TH4 Thermistor Discharge TH3 Thermistor Outdoor pipe TH7 6 Thermistor Outdoor 2 phase pipe TH33 Thermisto...

Page 74: ...RP100 140V LEV C Linear expansion valve For ZRP140 SW1 Forced defrost detect history record reset refrigerant address CNDM 1 2 Input of low level sound priority mode 1 3 Input of external contact point SW7 Demand control setting 63H High pressure switch SW4 Test operation SW6 Model select SW5 Function switch TH4 Thermistor Discharge TH3 Thermistor Outdoor pipe TH7 6 Thermistor Outdoor 2 phase pipe...

Page 75: ...R1 ET PUHZ ZRP71VHAR1 ET LO NO Voltage of 230 V AC is output Connect ACL CN52C 52C relay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 230 V AC Connect to the outdoor control ler circuit board CNAC EI E2 Connect to the earth E3 Connect to the earth OCH527C ...

Page 76: ...TB1 GD1 Connect to the earth CNAC1 CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 400 V AC OUTPUT Connect to the outdoor converter circuit board L1 IN ACL2 ACL3 CNCT Primary current Connect to the outdoor power circuit board CN5 CNL Connect to the ACL4 GD3 Connect to the ...

Page 77: ...N N1 N2 P1 P2 U V and W shown in the diagram are not actually printed on the board CN2 Connect to the outdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting sig nal to the outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 Not used 6 5 16 V DC 7 5 16 V DC 1 2 6 7 5 LD1 LD2 280 380 V DC Connect to the outdoor controller circuit board CNDC R S Con...

Page 78: ...outdoor controller circuit board CN2 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 18 V DC 6 5 16 V DC 7 5 16 V DC N2 Connect to the smoothing capacitor CB CN4 Connect to the outdoor controller circuit board CN4 Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the ...

Page 79: ...primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN2 Connect to the outdoor controller circuit board CN2 1 5 Power circuit board Transmitting signal to the controller board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 Not used 6 5 16 V DC 7 5 16 V DC 5 1 2 6 7 TB L1 TB L2 TB L3 Connect to the outdoor converter circuit boa...

Page 80: ...urrent Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN2 Connect to the outdoor controller circuit board CN2 1 5 Power circuit board Transmitting signal to the controller board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 Not used 6 5 16 V DC 7 5 16 V DC 5 1 2 6 7 CN7 Connect to the outdoor converter circuit board CN7 TB U TB V TB W C...

Page 81: ...PUHZ ZRP140YKAR1 L1 A2 L2 A2 L3 A2 Connect to the ACL1 ACL2 ACL3 CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the noise filter circuit board LO1 NO L1 A1 Connect to the ACL1 L1 OU L2 OU L3 OU Connect to the outdoor power circuit board TB L1 L2 L3 OCH527C ...

Page 82: ...ll start by the above operation 1 if all these conditions written below are satisfied Heat mode setting 10 minutes have passed since compressor started operating or previous compulsory defrosting finished Pipe temperature is less than or equal to 8 C Forced defrost will finish if certain conditions are satisfied Forced defrost can be done if above conditions are satisfied when DIP SW1 1 is changed...

Page 83: ...upply ON 3 4 5 No function 6 Model select Following SW5 6 reference SW7 4 1 Mode select 3 Demand function Low noise mode Always 2 No function 3 Max Hz setting cooling Max Hz cooling o 0 8 Normal Always 4 Max Hz setting heating Max Hz heating o 0 8 Normal Always 5 Breaker capacity setting 5 16A 25A When power supply ON 6 Defrost setting For high humidity Normal Always SW8 1 No function 2 No functio...

Page 84: ...e mode B On site arrangement C External input adapter PAC SC36NA E X Relay D Outdoor unit control board E Max 10 m F Power supply for relay A SW1 Orange 1 3 Brown Red E B F CNDM X X C D A Circuit diagram example Demand function B On site arrangement X Y Relay C External input adapter PAC SC36NA E D Outdoor unit control board E Max 10 m F Power supply for relay By performing the following modificat...

Page 85: ...or unit Remote controller signal receiving error is detected by remote controller Remote controller transmitting error is detected by 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 betw...

Page 86: ...r board and connector CN3 on outdoor power board are not disconnected 2Measure resistance value of outdoor thermistors Abnormality of heatsink temperature 1Check if indoor outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor thermistor TH8 1Check the outdoor fan motor 2Check if connector TH3 on outdoor controller board is disconnected Abnormality of voltage 1Che...

Page 87: ...When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F5 E8 E9 EA Eb EC E0 E7 63H connector yellow is open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Miswiring of indoor outdoor unit connec...

Page 88: ...digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 sec 0 5sec 2 sec 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 to 50 LEV A opening pulse 0 to 480 0 to 50 Note Omit the figures after the decimal fractions 0 to 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150...

Page 89: ...d code 3 to 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 sec 0 5sec 2 sec A Code display Code display 0 to 50 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 to 999 Test run elapsed time 0 to 120 0 to 999 When it is 100 minute...

Page 90: ...se 3 phase Display details 0 H P 1 Cooling only 0 Single phase 2 3 phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump 3 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 to 88 39 to 88 When the temperature is 0 or less and temperature are displayed by turns...

Page 91: ...erature is 0 or less and temperature are displayed by turns When the thermistor detects 100 or more hundreds digit tens digit and ones digit are displayed by turns Outdoor ambient temperature TH7 39 to 88 39 to 88 When the temperature is 0 or less and temperature are displayed by turns Normal Overvoltage error Undervoltage error Input current sensor error L1 phase open error Abnormal power synchro...

Page 92: ...ay of abnormal unit number and code When no error history 0 and are displayed by turns 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor outside temperature TH7 8 Outdoor heatsink TH8 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 Error thermistor display When there is no error thermistor is displayed Code display Operation frequency on error occur...

Page 93: ...isplayed by turns Example When 15 C 0 5 sec 0 5sec 2 sec Outdoor pipe temperature 2 phase TH6 on error occurring 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 sec 0 5sec 2 sec Outdoor ambient temperature TH7 on error occurring 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns Example Whe...

Page 94: ... 3 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 3 Indoor 3 39 to 88 39 to 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 superheat on error occurring SHd 0 to 255 Cooling TH4 TH6 Heating TH4 TH5 Indoor pipe te...

Page 95: ...rature rise of discharge temperature Preventive control for excessive temp erature rise of condensing temperature Frosting preventing control Preventive control for excessive temp erature rise of heatsink Example The following controls are activated Primary current control Preventive control for excessive tempe rature rise of condensing temperature Preventive control for excessive tempe rature ris...

Page 96: ...1 The setting is applied to all the units in the same refrigerant system Meaning of Function setting mode02 indoor temperature detecting No Indoor temperature ta No 1 Average data of the sensor on all the indoor units Initial setting ta A B 2 ta A B 2 ta A ta A No 2 The data of the sensor on the indoor unit that connected with remote controller ta A ta B ta A ta A No 3 The data of the sensor on ma...

Page 97: ...ber of Operating Procedure When setting functions for a simultaneous Twin Triple indoor unit system set the unit number to 01 to 03 for each indoor unit in case of selecting different functions for each unit referring to 4 setting the indoor unit number of Operating Procedure When setting the same functions for an entire simultaneous Twin Triple indoor unit system set refrigerant address to AL 07 ...

Page 98: ...Service to make the maintenance setting Maintenance password is required Note The initial maintenance password is 9999 Change the default password as necessary to prevent unauthorized access Have the password available for those who need it If you forget your maintenance password you can initialize the password to the default password 9999 by pressing and holding the F1 and F2 buttons simultaneous...

Page 99: ...ange the setting number with the F3 or F4 button 1 Select Service from the Main menu and press the button Checking the indoor unit No When the button is pressed the target indoor unit will start fan operation If the unit is common or when running all units all indoor units for the selected refrigerant address will start fan operation F1 F2 F3 F4 Function setting Ref address Sending data Grp 5 When...

Page 100: ...ess E Specified indoor unit FAN operation Change refrigerant address or unit No 2 Switch to function setting mode Press A and B at the same time with the remote controller stopped 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 For actual operations refer to steps 1 to 0 Setti...

Page 101: ... selected unit number In this case the refrigerant address and unit 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 performs fan operation there may be another refrigerant address that is the same as the specified one In this case check the DIP swit...

Page 102: ...remote controller toward the receiver of the indoor unit and press the button 3 Set the unit number Press the TEMP button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the button Note 1 If a unit number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds w...

Page 103: ...urns the backlight on and it will stay lit for a certain period of time depending on the screen Backlit LCD This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error ON OFF lamp Main display Press to change the operation mode Main menu Press to move the cursor down Function button F1 Main display Press to decrease tem...

Page 104: ...CT button Vane Louver Vent Lossnay High power Weekly timer Restriction Maintenance Initial setting On Off timer Auto Off timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Service Input maintenance info Function setting Check Self check Maintenance password Remote controller check Test run Clock...

Page 105: ...ct information need to be registered in advance to be displayed Maintenance Auto descending panel Auto descending panel Optional parts Up Down you can do Manual vane angle Use to set the vane angle for each vane to a fixed position Initial setting Main Sub When connecting two remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Us...

Page 106: ...ctive 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 controller The clock function can be used Initial setting value The clock function cannot be used...

Page 107: ...ode 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 setting press the ON OFF...

Page 108: ...heck with the F1 or F2 button and press the button 2 Set the Refrigerant address and Request code Select the item to be changed with the F1 or F2 button Select the required setting with the F3 or F4 button Ref address setting 0 15 Request code setting Press the button Data will be collected and displayed F1 F2 F3 F4 Request code Request Request Request code Ref address Request code Cursor Ref addr...

Page 109: ...igerant 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 even if the data changes T...

Page 110: ...ection 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 pipe temperature Unit No 3 Indoor unit Liquid pipe temperature Uni...

Page 111: ...t Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 to 255 Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displa...

Page 112: ...r history 2 second to last Error history 3 third 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 ...

Page 113: ...g time Fan motor ON 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 Microprocessor version information Indoor unit Microprocessor versio...

Page 114: ...ode 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 5 Anti freeze protection is ON 6 Overheat protection is ON ...

Page 115: ...V1 Four way valve 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...

Page 116: ...setting display Request code 70 Data 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 3 phase cooling only 0 Single phase Heat pump 1 Cooling o...

Page 117: ... 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 to SW10 except SW3 Request codes 73 to 82 0 Switch OFF 1 Switch ON Data display SW5 1 2 3 4 0 0 0 0 00 00 1 0 0 0 00 01 0 1 0 0 00 02 1 1 0 0 00 03 0 0 1 0 00 04 1 0 1 0 00 05 0 1 1 0 00 06 1 1 1 0 00 07 0 0 0 1 00 08 1 0 0 1 00 09 0 1 0 1 00 0A 1 1 0 1 00 0b 0 0 1 1 0...

Page 118: ... 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 35 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71 1C 0d 80 1d 0E 90 1E 0F 100 1F Display Pair ...

Page 119: ...COMP On Off COMP frequency A Hz Hr times Hr Ref address Cool Ref address Cool Ref address Cool Sub cool OU TH4 temp OU TH6 temp OU TH7 temp IU air temp IU HEX temp IU filter time Select Smooth maintenance with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button Select Service from the Main menu and press the button Set each item Select the item to be...

Page 120: ... 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 CANCEL COOL...

Page 121: ...er temperature Comp 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 Blinking After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor uni...

Page 122: ...hanger 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 temperature is 23 or lower B In heat mode outdoor ...

Page 123: ...will take approx 20 minutes 3 The operation data will appear The following value is the reference for the refrigerant volume check If the refrig erant is leaking NG will appear The refrigerant volume check reference value can be changed with the func tion selection Default value RP71 80 RP50 70 Resetting the initial learning data If the unit has been relocated or if refrigerant has been additional...

Page 124: ...EAK TEST START GAS LEAK JUDGE Refrigerant leakage detection judgement Refrigerant leakage detection initial teaching 1 How to select the Refrigerant Leakage Detection mode Detection is possible regardless the unit s operation ON or OFF 1Press button for more than 3 seconds to switch to EASY MAINTENANCE mode Display A 2 How to start the initial learning 2Press CLOCK button and select the GAS LEAK T...

Page 125: ...start Judgment of refrigerant leakage mode 1 5 How to reset the initial condition data When the unit is removed and installed again or refrigerant is changed additionally the Initial learning must be performed again by following procedure 1 Turn Main Power OFF 2 Connect the pin of CN31 to ON position on the outdoor controller board 3 Turn SW4 1 on the outdoor controller board to ON 4 Turn Main Pow...

Page 126: ...nd grille 1 Remove the top panel fixing screws 4 10 one from the right and two from the left side and detach the top panel 2 Remove 2 service panel fixing screws 4 10 and detach the service panel by pulling it downward See Photo 2 3 Remove the front panel fixing screws 4 10 3 from the front 2 from the right and 2 from the left side and detach the front panel 4 Remove the back panel fixing screws 4...

Page 127: ...2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Disconnect the indoor outdoor connecting wire from terminal block 6 Disconnect the connector CNF1 LEV A and LEV B on the controller circuit board Symbols on the board CNF1 Fan motor LEV A LEV B LEV 7 Disconnect the pipe side connections of the following parts 4 way valve 21S4 Thermistor ...

Page 128: ...ctrical parts box See Photo 5 6 Remove the sound proof cover from the compressor Thermistor Discharge TH4 7 Pull out the thermistor Discharge TH4 from the sensor holder See Photo 8 Thermistor Comp surface TH32 7 Pull out the thermistor Comp surface TH32 from the sensor holder See Photo 8 7 Removing the 4 way valve coil 21S4 and LEV coil LEV A LEV B 1 Remove the service panel See Photo 2 2 Remove t...

Page 129: ...EV cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 6 Pull out the lead wire of hi...

Page 130: ...rubber mount 10 Recover refrigerant 11 Remove 3 compressor fixing nuts by using a spanner or a adjustable wrench 12 Remove the welded pipe of compressor inlet and outlet Note Recover refrigerant without spreading it in the air Receiver leg fixing screw Valve bed 13 Removing the power receiver 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Pho...

Page 131: ...cal parts box Controller circuit board C B Electrical parts box fixing screw Terminal block TB1 Fan motor fixing screws Fan motor MF1 Fan motor fixing screws Photo 3 Photo 2 Propeller Front panel Front panel fixing screws Nut 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the indoor outdoor connecting wire from terminal bl...

Page 132: ... out the thermistor Outdoor TH7 from the sensor holder Note When replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to procedure No 4 above to remove thermistor Outdoor 2 phase pipe Photo 7 Clamp 6 Removing the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge TH4 thermistor Comp surface TH32 1 Remove the ser...

Page 133: ...air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remo...

Page 134: ... 5 12 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prev...

Page 135: ...refrigerant without spreading it in the air 13 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 1 4 Remove 2 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screw...

Page 136: ...nect the connector CNF1 CNF2 LEV A and LEV B on the controller circuit board Symbols on the board Fan motor CNF1 CNF2 LEV LEV A and LEV B LEV C 140 only 5 Disconnect the pipe side connections of the following parts Thermistor Outdoor pipe TH3 TH33 Thermistor Discharge TH4 Thermistor Outdoor 2 phase pipe Outdoor TH7 6 High pressure switch 63H 4 way valve coil 21S4 Thermistor Comp surface TH32 6 Rem...

Page 137: ...ng thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to procedure No 4 above to remove thermistor Outdoor 2 phase pipe Photo 7 Clamp Controller circuit board C B Thermistor Outdoor 2 phase pipe TH6 6 Removing the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge TH4 thermistor Comp surface TH32 1 Remove the service pa...

Page 138: ...ded part can be removed easily by removing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove 3 valve bed fixing s...

Page 139: ...oil LEV C Photo 9 PUHZ ZRP140VKA Thermistor Outdoor pipe TH33 Reactor DCL 4 way valve coil 21S4 4 way valve High pressure switch 63H 12 Removing the compressor MC 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 4 4 Remove 4 back cover panel fixing screws 5 12 and remove the back cov...

Page 140: ...6 Remove 3 valve bed fixing screws 4 10 and 4 ball valve and stop valve fixing screws 5 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 12 in the rear of the unit then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 10 Note Recover refrigerant without spreading it in the a...

Page 141: ...nal block 4 Disconnect the connector CNF1 CNF2 LEV A and LEV B LEV C 140 only on the controller circuit board Symbols on the board CNF1 CNF2 Fan motor LEV A LEV B LEV C LEV 5 Disconnect the pipe side connections of the following parts Thermistor Outdoor pipe TH3 TH33 Thermistor Discharge TH4 Thermistor Outdoor 2 phase pipe Outdoor TH7 6 High pressure switch 63H 4 way valve coil 21S4 Thermistor Com...

Page 142: ...ilter circuit board and converter circuit board See Photo 10 Note When reassembling the electrical parts box make sure the wirings are correct Photo 5 7 Remove the terminal cover and disconnect the compressor lead wire 8 Remove 2 electrical parts box fixing screws 4 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on ...

Page 143: ...placing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to procedure No 5 above to remove thermistor Outdoor 2 phase pipe Photo 13 Clamp Thermistor Outdoor 2 phase pipe TH6 7 Removing the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge TH4 thermistor Comp surface TH32 1 Remove the service panel See Photo 1 2 Disco...

Page 144: ...ng screws 5 16 then remove the valve bed 4 Remove 3 right side panel fixing screws 5 12 in the rear of the unit then remove the right side panel 5 Remove the 4 way valve coil See Photo 15 6 Recover refrigerant 7 Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When i...

Page 145: ...e Photo 17 4 Remove each 4 fixing screws 2 front 2 back of reactor of 3 reactors Note 1 The reactor is very heavy 4 kg Be careful when handling it Note 2 The reactor box is also removable Photo 16 Reactors Photo 17 Reactors Lead wires of reactors Reactors Figure 2 Reactor box fixing screw front Reactor fixing screws front Reactor box fixing screw front OPERATING PROCEDURE PHOTOS ILLUSTRATIONS OCH5...

Page 146: ...er 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 1 4 Remove 4 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 10 and 4 ball valve and stop valve fixing screws 5 16 and then remov...

Page 147: ...Related Links Model Number PUHZ ZRP50VKA Kleusberg Mr Slim and City Multi Germany PUHZ ZRP35 50VKA Declaration of Conformity PUHZ ZRP35 140VKA Service Manual OCH527C ...

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