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SiBE281013

24

Function and Control

Part 5

Function and Control

1. Function of Main Components and Thermistors ...................................25
2. Operation Flow Chart ............................................................................27

2.1

Cooling / Dry Operation..........................................................................27

2.2

Heating Operation ..................................................................................28

3. Function Details ....................................................................................29

3.1

Indoor Unit..............................................................................................29

3.2

Outdoor Unit ...........................................................................................33

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Содержание SkyAir GQI-Eco Series

Страница 1: ...Service Manual GQI Eco Series Heat Pump R 410A 50Hz SiBE281013 RZQG71 140LV1B...

Страница 2: ...oller 9 1 Wired Remote Controller 10 1 1 Applicable Models 10 1 2 Names and Functions 11 1 3 MAIN SUB Setting when Using 2 Remote Controllers 15 1 4 Centralized Control Group No Setting 16 2 Wireless...

Страница 3: ...spection 81 1 1 Overview 81 2 Symptom based Troubleshooting 83 2 1 Overview 83 2 2 Equipment does not Operate 84 2 3 Indoor Unit Fan Operates but Compressor does not Operate 86 2 4 Cooling Heating Ope...

Страница 4: ...4 26 Transmission System Abnormality between Control and Inverter PCB 145 4 27 Open Phase or Power Supply Voltage Imbalance 146 4 28 Defective Capacity Setting 147 4 29 Refrigerant Shortage Alert 148...

Страница 5: ...er cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shock If it is necessary to supp...

Страница 6: ...ctrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or...

Страница 7: ...at generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the ter...

Страница 8: ...ent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions o...

Страница 9: ...e to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only C...

Страница 10: ...series Heat Pump System Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best suit the...

Страница 11: ...SiBE281013 General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3...

Страница 12: ...ake Outdoor unit Model Series Indoor Unit Outdoor Unit Power Supply Ceiling Mounted Cassette Type FCQG71EVEB RZQG71LV1B 1 phase 220 240V 50Hz FCQG100EVEB RZQG100LV1B FCQG125EVEB RZQG125LV1B FCQG140EVE...

Страница 13: ...xternal Appearance General Information 3 2 External Appearance Indoor Units Wired Remote Controller Wireless Remote Controller Outdoor Units FCQG E FHQG C BRC1D528 BRC1E51A7 BRC7G63 RZQG71LV1B RZQG100...

Страница 14: ...SiBE281013 4 Functions Part 2 Functions 1 Functions 5 1 1 Indoor Unit 5 1 2 Outdoor Unit 5...

Страница 15: ...ld proofing drain pan Work servicing Drain water lift up mechanism Pre charged for up to 30 m Long life filter Filter sign Ceiling soiling prevention Emergency operation Self diagnosis function Contro...

Страница 16: ...SiBE281013 6 Specifications Part 3 Specifications 1 Specifications 7...

Страница 17: ...Connections Liquid mm 9 5 Flare Gas mm 15 9 Flare Drain mm VP25 External dia 32 Remote controller option Wired BRC1E51A7 BRC1D528 Wireless Decoration panel option Model BYCP125B W1 Colour Fresh White...

Страница 18: ...8 Sound pressure H M L dB 38 36 34 42 38 34 44 41 37 46 42 38 Sound power dB 55 60 62 64 Piping Connections Liquid mm 9 5 Flare Gas mm 15 9 Flare Drain mm VP20 External dia 26 Remote controller option...

Страница 19: ...0 1 2 Names and Functions 11 1 3 MAIN SUB Setting when Using 2 Remote Controllers 15 1 4 Centralized Control Group No Setting 16 2 Wireless Remote Controller 18 2 1 Applicable Models 18 2 2 Names and...

Страница 20: ...Wired Remote Controller SiBE281013 10 Remote Controller 1 Wired Remote Controller 1 1 Applicable Models Model Series FCQG E FHQG C Remote Controller BRC1D528 BRC1E51A7...

Страница 21: ...is operational 7 LEAVE HOME ICON The leave home icon shows the status of the leave home function 8 EXTERNAL CONTROL ICON This icon indicates that another controller with higher priority is controllin...

Страница 22: ...NTILATION MODE BUTTON The ventilation mode button operates the HRV refer to the manual for more details 27 VENTILATION AMOUNT BUTTON This button sets the ventilation amount refer to the manual for mor...

Страница 23: ...he part with the symbol Used to lower the set temperature The next items on the lower side will be highlighted The highlighted items will be scrolled continuously when the button is kept pressed Used...

Страница 24: ...lamp blinks if an error occurs 10 Cancel button Used to return to the previous screen 11 LCD with backlight The backlight will be light for approximately 30 seconds by pressing any operation button Op...

Страница 25: ...power off and then on again Step Action 1 Insert a flat head screwdriver into the recess between the upper and lower part of the remote controller as shown in the illustration below Gently pry off th...

Страница 26: ...er 1 During normal mode press and hold the button for 4 seconds or more to enter the Field Setting Mode 2 Select the Mode No 00 with the button 3 Select the Group No for each group with the button Gro...

Страница 27: ...ation place of the indoor unit into the attached installation table Be sure to keep the installation table with the operation manual for maintenance 1 Basic screen Press and hold Cancel button for 4 s...

Страница 28: ...able Models 2 2 Names and Functions Receiver Model Series FCQG E FHQG C Remote Controller BRC7G63 8 10 13 11 12 15 14 16 17 9 1 3 4 6 2 5 7 DOWN FAN UP ON OFF H C hr hr TEST MODE TIMER RESERVE CANCEL...

Страница 29: ...ress the button and the system will start Press the button again and the system will stop Press this button to select the fan speed Low or Middle or High of your choice Use this button for temperature...

Страница 30: ...address for The receiver of the wireless remote controller The wireless remote controller Setting the Address for the Receiver When using both a wired and a wireless remote controller for 1 indoor uni...

Страница 31: ...nsor data No with or button 6 Each data displays Refer to the table below display 7 Return to the normal operation mode Press the inspection test operation button once Mode No Function Content and Ope...

Страница 32: ...ction adjusting button then press timer ON OFF button to decide In case of Mode 45 Select the changed unit No with or button then press timer ON OFF button to decide 6 Return to the normal operation m...

Страница 33: ...pection test button once 1 Inspection mode Press the Inspection test button once 2 Indoor unit model code display Press the Inspection test button once 3 Outdoor unit model code display Press the Insp...

Страница 34: ...Control Part 5 Function and Control 1 Function of Main Components and Thermistors 25 2 Operation Flow Chart 27 2 1 Cooling Dry Operation 27 2 2 Heating Operation 28 3 Function Details 29 3 1 Indoor U...

Страница 35: ...valve with service port 5 16 flare Outdoor heat exchanger B Electronic expansion valve Compressor Accumulator Pressure switch high Service port 5 16 flare Check valve C 3D069535 R2T R3T R1T This ther...

Страница 36: ...ation Used for judgement of the defrost IN and OUT condition Intermediate Heat Exchanger Thermistor R5T Used for calculation of high pressure during cooling operation Calculate Pc by detected temperat...

Страница 37: ...nic expansion valve PI control Low pressure protection control High pressure protection control Discharge pipe temperature protection control Inverter current protection control Low outdoor temperatur...

Страница 38: ...ontrol High pressure protection control Heating overload control Suction pipe superheat protection control Discharge pipe temperature protection control Inverter current protection control Overall cur...

Страница 39: ...actually detected room temperature 1 the thermostat is turned ON or OFF T Detected room temperature Temperature set by remote controller Tro Room temperature detected when dry operation is started Tr...

Страница 40: ...n the table below 3 1 5 Drain Pump Control Only for FCQG Cooling Dry Operation Normally drain pump ON Thermostat ON OFF Tro 24 C 16 C Tro 24 C Tro 16 C T 2 5 C 1 C Thermostat OFF Dry operation T 2 C 1...

Страница 41: ...lows air downward Starting condition 5 min 5 sec Drain pump Float switch ON OFF OFF ON 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 6 5 4 3 2 1 0 1 2 3 4 5 6 Thermo ON Thermo OFF Thermo ON Thermo OFF Suction air tem...

Страница 42: ...ature by operating the fan at certain intervals when the fan is turned off while the thermo is off 3 1 10 Defrost Control When the heating operation continues at a low outdoor air temperature the fros...

Страница 43: ...e 0 12 MPa or less continues for 5 minutes 10 times in 200 minutes High pressure HPS activated or over 3 92 MPa continues for 1 minute 15 times in 300 minutes Discharge pipe temperature RZQG71LV1B Tem...

Страница 44: ...fied period of time at low frequency to prevent returning of refrigerant Compressor stopping or 6 hours or less after turning ON the power 1 hour or more after turning OFF the compressor Outdoor air t...

Страница 45: ...ff T Indoor suction air temperature temperature set by remote controller Cooling T Temperature set by remote controller indoor suction air temperature Heating Thermostat ON Condition T 0 5 C Thermosta...

Страница 46: ...rature will be a value between 42 C and 54 C for RZQG100 140LV1B 42 C and 50 C Maximum frequency in cooling Step No Compressor operation frequency RZQG71LV1B RZQG100LV1B RZQG125 140LV1B 1 30 Hz 30 Hz...

Страница 47: ...ted the indoor fan will be controlled in order to prevent cold air draft and secure the starting performance quick pressure build up Indoor unit fan OFF Heating operation is turned ON with remote cont...

Страница 48: ...y priority setting when the low noise setting remains the low noise setting is prioritized and even if air conditioning load becomes high the noise operation continues 3 2 11 Low Pressure Protection C...

Страница 49: ...quency 1 step 10 sec Compressor operation frequency 1 step 1 min Normal operation Compressor operation frequency B Hz Compressor stop Abnormal stop E3 indication Compressor operation frequency 1 step...

Страница 50: ...he upper limit frequency will be controlled SH Superheat degree EV Electronic expansion valve Normal operation Suction SH 12 C Suction SH 8 C Suction SH 10 C EV opening degree 450 pls Suction SH 10 C...

Страница 51: ...this time operation sound may be heard from the outdoor unit RZQG71LV1B RZQG100 140LV1B A C 100 C 115 C B C 110 C 115 C C minutes 15 minutes 10 minutes Normal operation OR OR OR Td 105 C Compressor u...

Страница 52: ...overcurrent RZQG71LV1B RZQG100 140LV1B A 11 0 A 14 0 A B 13 7 A 20 0 A Normal operation The condition of Inverter current Stepping down current continues for 2 minutes Inverter current Stepping down...

Страница 53: ...operation frequency restriction refer to the followings Hp Lp 0 93MPa Hp Lp 0 78MPa Hp Lp 0 78MPa Compression ratio 1 8 Compression ratio 1 8 Hp 1 86MPa Tfin 66 C OR OR OR Compression ratio 2 4 Hp Lp...

Страница 54: ...onnecting pipe and the transmission connecting line are connected each to a differing outdoor unit the abnormal stop is activated with the error code UF being displayed on the remote controller 3 2 24...

Страница 55: ...unit remote controller frost upper limit time A becomes as shown in the table below Integrated compressor running time is 25 minutes or more since the completion of the previous defrost operation OR...

Страница 56: ...ng the number of revolutions of fan is lowered 3 2 28 Emergency Operation No transmission is performed between indoor and outdoor unit During cooling the cycle of operation for 20 minutes and stop for...

Страница 57: ...nger thermistor in heating Liquid pipe thermistor Indoor suction air thermistor Indoor heat exchanger thermistor B Operation continues even the error is detected The remote controller displays error c...

Страница 58: ...tructions 1 When the error code E3 E4 or L8 is displayed on the remote controller there is possibility that either the stop valve is closed or the airflow outlet is obstructed 2 When the error code U2...

Страница 59: ...53 2 1 Wired Remote Controller 53 2 2 Wireless Remote Controller 56 2 3 Overview of the Field Setting on the Outdoor Units 57 2 4 Setting Contents and Code No for Outdoor Units 62 2 5 Quiet Low Noise...

Страница 60: ...he remote controller for the BRC1D series should be made in accordance with the following procedure The settings of the remote controller for the BRC1E series should be made in accordance with the att...

Страница 61: ...y 00 refer to Failure diagnosis at the moment of first installation on page 52 9 If the inspection test operation button is pressed 4 times during a test run the unit returns to normal operation 10 Ch...

Страница 62: ...he outdoor unit PCB may have run out If the malfunction code E3 E4 L8 or U0 is displayed on the remote controller there is a possibility that the stop valves are closed If the malfunction code E3 E4 L...

Страница 63: ...tton for 4 seconds or more and the Field Set Mode is entered 2 Select the desired Mode No with the button 2 3 During group control when setting by each indoor unit mode No 20 22 and 23 have been selec...

Страница 64: ...ing group control When Mode No such as 20 21 22 23 25 are selected highlight the unit No and select Indoor unit No to be set by using Up Down button In the case of group total setting this operation i...

Страница 65: ...outdoor unit see installation manual attached to the outdoor unit 6 7 6 Press Menu Enter button Setting confirmation screen is displayed 7 Select Yes and press Menu Enter button Setting details are de...

Страница 66: ...o Field setting mode UP button DOWN button First code No Second code No MODE button Step Action 1 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mo...

Страница 67: ...air thermistor When the Second Code No is set to 01 room temperature is controlled by the indoor unit suction air thermistor and the room temperature thermistor in remote controller as following figu...

Страница 68: ...re thermistor Suction air thermistor Suction air thermistor Suction air thermistor Suction air thermistor Room temperature thermistor Suction air thermistor Suction air thermistor Suction air thermist...

Страница 69: ...G Only For the purpose of securing airflow range during heating the number of revolutions of fan during heating can be changed Make the setting according to installation environment Mode No First Code...

Страница 70: ...be paid for the occurrence of the following situation Setting of Normal Airflow Make the following setting according to the ceiling height The setting position No is set to 01 at the factory FCQG71 F...

Страница 71: ...This is set to perform individual operation of heat reclaim ventilation using the remote controller central unit when heat reclaim ventilation is built in Switch only when heat reclaim ventilation is...

Страница 72: ...ng Automatic low noise activation Capacity preceding setting when using KRP58 option Automatic low noise capacity preceding Refer to P63 1 Automatic low noise start and stop time 22h00 06h00 22h00 08h...

Страница 73: ...ll be conducted for 10 hours The maximum outdoor temperature is supposed to occur at 14 00h As the time judgement is made in accordance with the outdoor temperature the above mentioned timing is an es...

Страница 74: ...ntrol priority for capacity can be set Prioirity for capacity will be activated by changing field setting 26 0 03 in combination with the closed contact on KRP58M Exceptions The Quiet low noise operat...

Страница 75: ...emand 2 Close contact between COM and contact 2 Demand 3 Close contact between COM and contact 3 Demand 1 Power consumption limitation in function of setting on DS1 Demand 2 Power consumption limitati...

Страница 76: ...sor frequency is controlled in function of the target evaporating temperature The target evaporating temperature is controlled in function of the cooling load Minimum target Te 2 C Minimum target Te 0...

Страница 77: ...ler setting temp Te target limited 20 C to protect the comp Te target limited Indoor temp 11 not to rising wetbulb Te see note target acceptable area Indoor temp setting Te target down Indoor temp set...

Страница 78: ...d setting 16 26 2 03 Note Te target C Te target acceptable area Remote controller setting temp Te target limited 20 C to protect the comp Te see note target acceptable area Indoor temp setting Te targ...

Страница 79: ...thermostat OFF the thermostat control will be changed when using field settings 16 26 2 03 16 26 2 04 Thermostat ON Trs 0 5 C No change from standard setting Thermostat OFF Trs 2 0 C for 5 minutes co...

Страница 80: ...91 1 01 1 06 1 16 1 21 1 26 5 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 10 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 15 0 62 0 81 0 91 1 01 1 12 1 14 1 19 1 24 20 0 62 0 81 0 91 1 07 1 10 1 12 1 16 1 21 2...

Страница 81: ...S1 BS3 BS4 Dip Switch A2P MODE MODE SET RETURN PUMPDOWN TEST HWL L N O P DEMAND Display Lamp BS Button Display Function or Operating Procedure Symbol Name Display Lamp H1P MODE During Setting mode 1 t...

Страница 82: ...Demand operating condition normal 30 demand 40 demand 50 demand These conditions above can be checked by performing the following steps Setting mode 1 Monitor mode H1P Blinking Off H1P Setting mode 2...

Страница 83: ...r 5 seconds or more and set to Setting mode 2 k h h h h h h Push the SET BS2 button three times to set the LED display as shown in the table on the right k h h h h k k Push the RETURN BS3 button once...

Страница 84: ...ode 1 for 5 seconds or more and set to Setting mode 2 k h h h h h h Press the SET BS2 button 28 times to set the LED display as shown in the table on the right 1 k h k k k h h Press the RETURN BS3 but...

Страница 85: ...ion 1 cycle before Contents of malfunction 2 cycle before Indication of causes of stepping down operation Normal not in stepping down operation Low pressure stepping down High pressure stepping down I...

Страница 86: ...te heat exchanger thermistor l l k h h l l l l l k k h h h h J8 Abnormal liquid pipe thermistor l l k h l h h h l l k k h h h h L1 PCB failure l l h k h l l l l l k h h h h l l l k k h h h h L4 Elevat...

Страница 87: ...on the unit stops the operation once and restarts three minutes later 4 When there is an error on PCB the emergency operation cannot be used Name Application Setting method Operation Thermistor detect...

Страница 88: ...ing the test run mode the test run starts Test Operation by Outdoor Unit PCB 1 Press the Test Operation BS4 button on outdoor unit PCB for 5 seconds After a while the test operation starts Reference F...

Страница 89: ...er 102 4 1 Procedure of Self diagnosis by Remote Controller 102 4 2 Error Codes and Description 106 4 3 Safety Devices 107 4 4 Indoor Unit PCB Abnormality 108 4 5 Drain Water Level System Abnormality...

Страница 90: ...32 Transmission Error between Indoor and Outdoor Unit 153 4 33 Transmission Error Between Remote Controller and Indoor Unit 156 4 34 Transmission Error between MAIN Remote Controller and SUB Remote C...

Страница 91: ...lease exercise the proper caution High Pressure Low Pressure Discharge Pipe Temperature Suction Temperature Indoor Unit Temperature Differential between Suction Air and Discharge Air Outdoor Unit Temp...

Страница 92: ...hort Circuit of Indoor Unit Inlet Outlet Air Lower Lower Lower Outdoor Unit Fin Fouling Higher Higher Higher Short Circuit of Outdoor Unit Inlet Outlet Air Higher Higher Higher Air Mixed in Refrigeran...

Страница 93: ...emote controller is set to L tap It is normal It is caused by the activation of the overload control airflow shift control 16 Flap automatically moves during cooling It is normal It is caused by the a...

Страница 94: ...oint Defective high pressure switch Defective magnetic switch for fan motor Activation or fault of overcurrent relay for fan motor Defective overcurrent relay for compressor Defective compressor prote...

Страница 95: ...tion 3 minutes later 3 min standby YES NO Diagnose based on error code on remote controller YES NO Diagnose based on error code on remote controller YES NO Check the electric system Defective electric...

Страница 96: ...erates but Compressor does not Operate Applicable Model All models of SkyAir series Supposed Causes Fuse blown or disorder of contact in operation circuit Defective thermistor Defective indoor outdoor...

Страница 97: ...ating operation When suction air thermistor temperature is lower than set temperature Check the thermistor YES NO Caution Be sure to turn off power switch before connect or disconnect connector or par...

Страница 98: ...on the error code on remote controller wired YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Wireless NO NO YES YES Defective fan mo...

Страница 99: ...reasons Lower voltage of power supply Excess level of high pressure Insufficient size of power cable Defective compressor Compressor protection thermostat Compressor protection thermostat may act due...

Страница 100: ...Contact the power company NO YES Replace the power cable NO YES After vacuum drying charge correct amount of refrigerant Then start operation again Defective electronic expansion valve NO YES Defecti...

Страница 101: ...y Excess level of high pressure Insufficient size of power cable Defective compressor Compressor protection thermostat Compressor protection thermostat may act due to the following reasons Internal le...

Страница 102: ...oiled heat exchanger Defective fan motor Refer to troubleshooting A6 Check the each item Check the each item Possible causes as follows Refrigerant overcharge Air in refrigerant system Soiled heat exc...

Страница 103: ...efrigerant system Defective pressure switch Defective magnetic switch for outdoor unit fan motor Defective aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interf...

Страница 104: ...of sunlight Affection of excessive fresh air into room NO Refrigerant shortage possibly generates trouble YES Insufficient compression of compressor Insufficient circulation of refrigerant Faulty ele...

Страница 105: ...e the source of humid condition It may be necessary to remove the source of humid condition YES YES Cleaning of heat exchanger is necessary NO NO YES Did the trouble generate on switching to heating m...

Страница 106: ...d is flushing noise of gas refrigerant inside air conditioning unit YES Normal The noise is a sound generated at the time of gas refrigerant flow change or stop YES Normal Operation sound of draining...

Страница 107: ...r unit are blown out Cleaning for inside of indoor unit is necessary YES Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit is necessary Install the air filter Is t...

Страница 108: ...emote controller is normal Indication appears for short time YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the unit based on...

Страница 109: ...functions can force the swing flap into a fixed position although swing mode is selected on the remote controller This is not a unit error but a control function to prevent draft to the customer Befo...

Страница 110: ...y connected Is the limit switch s transfer connector correctly connected Does the flap swing 220 240 VAC Is continuity no continuity reversed Turn the power supply off once and back on and check wheth...

Страница 111: ...on PCB A1P of the outdoor unit k LED on h LED off l LED blinks Note 1 Turn OFF the power supply and turn it ON again after 5 seconds or more Check the error condition and diagnose the problem 2 Turn...

Страница 112: ...sed operation to stop Refer to P 106 for error code and error contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in service mode holding down the ON OFF button...

Страница 113: ...aking corrective action Operation Status Display Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Press Menu button will appear and blink at the...

Страница 114: ...ontinue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the error code is confirmed Continuous beep No abnormality 3 Press the MODE selector button The left 0 up...

Страница 115: ...on is pressed 1 Press INSPECTION TEST button If no button is pressed for 1 minute equipment returns to normal status When MODE selector button is pressed or no button is pressed for 1 minute equipment...

Страница 116: ...3 H9 Outdoor air thermistor system abnormality 134 J3 Discharge pipe thermistor system abnormality 134 J5 Suction pipe thermistor system abnormality 134 J6 Heat exchanger thermistor system abnormality...

Страница 117: ...4 3 1 Outdoor Unit 4 3 2 Indoor Unit Model High pressure switch Fuse Open Close RZQG71L 4 0 MPa 0 0 15 3 0 MPa 0 15 6 3A 250V F1U 3 15A 250V F6U RZQG100L 6 3A 250V F1U F2U F3U 5A 250V F6U RZQG125L RZQ...

Страница 118: ...be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to E2PRO...

Страница 119: ...oor unit Method of Error Detection By float switch OFF detection Error Decision Conditions The error is generated when the water level reaches its upper limit and when the float switch turns OFF Suppo...

Страница 120: ...NO YES YES Connect the float switch NO Replace the float switch YES Replace the indoor unit PCB Replace the drain pump NO NO YES Remove the float switch from X15A short circuit X15A and restart operat...

Страница 121: ...act Defective indoor unit PCB Troubleshooting Note Connector and indoor unit PCB Refer to P 172 Model Connector for fan motor PCB FCQG X20A A1P FHQG X20A A1P YES Turn OFF the power supply Wait for 10m...

Страница 122: ...d at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PCB To set the correct capacity for the PCB you have to connect a capacity se...

Страница 123: ...on of transmission between indoor unit PCB A1P and adaptor PCB A2P using micro computer Error Decision Conditions When normal transmission is not conducted for certain duration 15 seconds or more Afte...

Страница 124: ...YES Replace the harness YES Eliminate the external factor NO Normal operation Check the panel PCB and indoor unit PCB Turn OFF the power supply and turn the power ON Press the power switch on the rem...

Страница 125: ...connector connection Defective thermistor Defective indoor unit PCB Broken or disconnected wire Troubleshooting Refer to P 165 Error Code Defective Thermistor Symbol C4 Heat exchanger thermistor R2T C...

Страница 126: ...OFF button of the remote controller must be pushed and held for 5 seconds in the check mode 2 To display the code the Inspection Test Operation button of the remote controller must be pushed and held...

Страница 127: ...e remote controller thermistor becomes disconnected or shorted when the unit is running Even if the remote controller thermistor is error the system can operate with the system thermistor Supposed Cau...

Страница 128: ...N Supposed Causes Defective outdoor unit PCB A1P Defective fan motor External factor Noise etc Troubleshooting External factor Noise etc YES NO Caution Be sure to turn off power switch before connect...

Страница 129: ...thermistor R3T detects the pressure shown below 3 92 MPa or more continuously for one minute Reference equivalent saturation temperature 62 C Supposed Causes Dirt and blockage of the outdoor unit hea...

Страница 130: ...A1P YES NO Are the operation of electronic expansion valve normal Troubleshooting E9 NO YES High pressure is too high CHECK 2 CHECK 9 Replace the outdoor unit PCB A2P If error is displayed again repl...

Страница 131: ...ivated 4 0 MPa When the outdoor unit intermediate thermistor R5T detects the pressure shown below 3 92 MPa or more continuously for one minute Reference equivalent saturation temperature 62 C When the...

Страница 132: ...ere continuity in the high pressure switch Replace the connecting line Replace the outdoor unit intermediate heat exchanger thermistor NO NO YES NO In cooling In heating Is there continuity in the hig...

Страница 133: ...or by the intermediate heat exchanger thermistor R5T Error Decision Conditions In cooling When the detection pressure is the following value 0 12MPa or less continues for 5 minutes When the saturated...

Страница 134: ...ate thermistor Replace the outdoor unit PCB A1P Correct the refrigerant system defect Is the stop valve open Is it in cooling operation YES In cooling operation In heating operation Remove the thermis...

Страница 135: ...essor lock High differential pressure 2 6 MPa or more starting Stop valve is not opened Troubleshooting Is the stop valve open NO YES Open the stop valve NO YES NO Connect correctly YES Remedy the cau...

Страница 136: ...disconnected When the error is generated 4 times the system shuts down Supposed Causes Defective fan motor The harness connector between fan motor and PCB is left in disconnected or faulty connector F...

Страница 137: ...an motor connector and then turn the power ON again YES Replace the fan motor NO YES Replace the fuse Error is displayed YES Replace the outdoor unit inverter PCB External factor Noise etc NO A Is the...

Страница 138: ...ee and electronic expansion valve opening degree Error Decision Conditions No common power supply when the power is ON When the following conditions are met Suction pipe superheat degree 4 C Minimum e...

Страница 139: ...roperly YES YES NO NO YES Mount properly NO Replace the coil of the electronic expansion valve NO YES A Error is displayed again Is the temperature sensor of each thermistor suction pipe discharge pip...

Страница 140: ...Replace the outdoor unit PCB A1P YES A External factor Noise etc NO CHECK 1 CHECK 5 Refer to to eliminate the causes of wet operation Error is displayed again CHECK 8 YES YES Replace the pressure sen...

Страница 141: ...rge pipe temperature sensor Error Decision Conditions When the discharge pipe temperature rises to an abnormally high level When the discharge pipe temperature rises suddenly When the discharge pipe t...

Страница 142: ...lace the discharge pipe thermistor Replace the outdoor unit PCB A1P NO YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred NO Connect co...

Страница 143: ...outdoor unit PCB Disconnected lead wire Troubleshooting Note 1 Connector and indoor unit PCB Model Connector for high pressure switch PCB RZQG X32A A1P Connect correctly Replace the outdoor unit PCB...

Страница 144: ...ctive outdoor unit PCB A1P Troubleshooting Refer to P 165 Error Code Defective Thermistor Symbol H9 Outdoor air thermistor R1T J3 Discharge pipe thermistor R2T J5 Suction pipe thermistor R3T J6 Heat e...

Страница 145: ...ing an MP PAM series capacitor overvoltage sensor Error Decision Conditions When over current is detected at the time of waveform output during operating the compressor When the current sensor error d...

Страница 146: ...efore connect or disconnect connector or parts damage may be occurred Turn OFF the power supply and remove the connector for fan motor and then operate again Replace the outdoor unit PCB A2P L1 is dis...

Страница 147: ...tion fin thermistor Error Decision Conditions When the temperature of the inverter radiation fin rises abnormally due to faulty heat dissipation Supposed Causes Actuation of fin thermal switch Insuffi...

Страница 148: ...n off power switch before connect or disconnect connector or parts damage may be occurred Turn the power ON and then press the remote controller check button once NO NO Connect correctly NO YES Troubl...

Страница 149: ...transistor Actuated even by instantaneous overcurrent Supposed Causes Defective compressor mechanical lock poor insulation Defective inverter PCB Instantaneous fluctuation of power supply voltage Def...

Страница 150: ...mpressor Check the power supply voltage Turn the power ON and then operate the test operation Go to the other troubleshooting Normal operation NO NO YES YES YES Replace the outdoor unit PCB NO Correct...

Страница 151: ...ection The error is detected from the current flowing to power transistor into voltage with CT1 DC current sensor Error Decision Conditions When compressor overload except for when startup is detected...

Страница 152: ...according to the diagnosis procedure for abnormal noises vibration operating status etc of the compressor NO Remedy the cause Check for excessive refrigerant charging YES YES Caution Be sure to turn...

Страница 153: ...is detected by converting the current flowing to power transistor into voltage with CT1 DC current sensor Inverter PCB detects the disorder of position signal Error Decision Conditions When compresso...

Страница 154: ...efrigerant system Compressor inspection Inspect according to the diagnosis procedure for abnormal noises vibration operating status etc of the compressor Replace the outdoor unit PCB A1P NO NO Replace...

Страница 155: ...ified period of time or longer Supposed Causes Defective outdoor fan motor Defective of fan motor connector contact Defective control and inverter PCB External factor Noise etc Troubleshooting Connect...

Страница 156: ...the power supply open phase Supposed Causes Open phase Voltage imbalance between phases Defective outdoor unit PCB Defective main circuit capacitor Power unit Disconnection in diode module Defective...

Страница 157: ...is made only when turning the power supply ON Supposed Causes Improper set value of E2PROM Improper capacity setting adaptor Mismatching of type of PCB Troubleshooting Note Capacity setting adaptor i...

Страница 158: ...n the electronic expansion valve opens fully and the suction superheat is large more than 20 C continuously for 60 seconds Even if error occurs operation will continue Supposed Causes Stop valve is no...

Страница 159: ...gree during the control of suction air superheating high pressure indoor heat exchanger temperature and indoor suction air temperature Error Decision Conditions In cooling When compressor frequency do...

Страница 160: ...be occurred NO YES YES Collect refrigerant and recharge a proper amount of refrigerant after vacuum drying Check the inter unit wiring and piping between the indoor and outdoor units NO Match wiring a...

Страница 161: ...ge of main circuit capacitor built in the inverter and power supply voltage Error Decision Conditions When the voltage of main circuit capacitor built in the inverter and power supply voltage drop or...

Страница 162: ...or C C Remove the connector for fan motor on the PCB and operate NO NO YES YES YES YES YES NO Field factors NO Replace the fan motor NO NO YES Replace the fan motor Correct the wiring Replace the outd...

Страница 163: ...at the transmission between the indoor and the outdoor unit is not normal over a certain amount of time Error Decision Conditions When the transmission is not carried out normally over a certain amoun...

Страница 164: ...r unit do not fit each other YES Wire correctly NO YES Replace the outdoor fan motor YES NO Wire correctly and securely fasten the terminal screws NO Is the power supply voltage between 180 and 220 VA...

Страница 165: ...it PCB There is no problem with the unit An external factor noise etc other than unit failure may be the cause YES Make the fuse normal In case of a fuse can be replaced replace the fuse In case of a...

Страница 166: ...f indoor unit PCB External factor Noise etc Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor unit PCB...

Страница 167: ...of time Supposed Causes Setting failure with remote controller Connection among SUB remote controllers Defective remote controller PCB Disconnection of remote controller wiring Troubleshooting Turn th...

Страница 168: ...on indoor unit and outdoor unit Improper field setting Supposed Causes Defective indoor unit PCB and wrong wiring Defective power supply PCB connection Indoor outdoor indoor indoor unit transmission w...

Страница 169: ...correct Set correctly NO Connect correctly Do the micro computer normal monitors HAP on all indoor unit PCB blink Are the wires between indoor outdoor correctly connected YES YES NO NO NO Connect cor...

Страница 170: ...ects the same address as that of its own on any other indoor unit Error Decision Conditions The error decision is made as soon as the abnormality aforementioned is detected Supposed Causes Address dup...

Страница 171: ...d of Error Detection Micro computer checks if transmission between indoor unit and centralized controller is normal Error Decision Conditions When transmission is not carried out normally for a certai...

Страница 172: ...connect connector or parts damage may be occurred YES Is the once connected indoor unit equipment disconnected or the address changed Reset the all remote controllers power supply at the same time YES...

Страница 173: ...anger thermistor R2T and the indoor suction air thermistor R1T B Difference in evaporation temperature Te or condensation temperature Tc during heating operation detected by the indoor heat exchanger...

Страница 174: ...ing NO YES CHECK 11 Check the refrigerant piping system for clogging CHECK 10 Is the refrigerant level proper Correctly connect inter unit wiring between the indoor and outdoor units YES Caution Be su...

Страница 175: ...stors Indoor Outdoor Checking To check the thermistors proceed as follows CHECK 1 FCQG FHQG Thermistor R1T Suction air thermistor R2T Heat exchanger thermistor R3T Intermediate heat exchanger thermist...

Страница 176: ...11 38 08 11 5 37 18 61 4 79 61 5 4 70 12 36 30 12 5 35 45 62 4 62 62 5 4 54 13 34 62 13 5 33 81 63 4 46 63 5 4 38 14 33 02 14 5 32 25 64 4 30 64 5 4 23 15 31 50 15 5 30 77 65 4 16 65 5 4 08 16 30 06...

Страница 177: ...23 5 213 51 73 31 69 73 5 31 15 123 6 87 123 5 6 78 24 208 90 24 5 204 39 74 30 63 74 5 30 12 124 6 69 124 5 6 59 25 200 00 25 5 195 71 75 29 61 75 5 29 12 125 6 51 125 5 6 42 26 191 53 26 5 187 44 76...

Страница 178: ...ing length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharg...

Страница 179: ...before and after check valve If YES the check valve is caught Is the indoor unit installed under such conditions that short circuit easily occurs Visual inspection Is the refrigerant gas short Conduct...

Страница 180: ...s charged and electric shock may result Therefore disconnect the connector from the outdoor unit fan motor after confirming that the outdoor unit fan has stopped 4 Before measuring the continuity disc...

Страница 181: ...ut GND Connector Red Red Black White 5V Measure DC voltage here Pressure sensor Detected Pressure Output voltage VH PH Kg cm MPa 5 0 4 5 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 0 5 1 5 2 5 0 5 0 5 0 1 2 3 5 3...

Страница 182: ...en make sure that the resistance is more than the value mentioned in the following table Electronic expansion valve connector and coil resistance criteria Measurement point Judgement 1 4 1M or more 2...

Страница 183: ...ntrol PCB Faulty fan motor Referring to the Fault Tree Analysis FTA shown below identify the faulty points Refer to Is the heat exchanger clogged Refrigerant dwelling Excessive refrigerant charging Fa...

Страница 184: ...termediate heat exchanger thermistor 3 Cooling Adequate level Compressor frequency increases in order to maintain low pressure Compressor frequency decreases in order to maintain high pressure Maximum...

Страница 185: ...on etc Replace the electronic expansion valve 2 Accumulator Frosting z Choked moisture Blow a nitrogen gas and then replace the refrigerant 3 Distributor Temperature difference z Dust z Choked moistur...

Страница 186: ...drops to the level of the lowest frequency 52 Hz and the refrigerant flow rate decrease low pressure cannot be maintained 3 This measured temperature is used to calculate the equivalent saturation pre...

Страница 187: ...ured temperature is used to calculate the equivalent saturation pressure of the refrigerant Refer to P 183 Heating 1 High Pressure Pressure sensor 2 Low Pressure Intermediate heat exchanger thermistor...

Страница 188: ...1 Piping Diagrams 179 1 1 RZQG71LV1B 179 1 2 RZQG100 140LV1B 179 2 Wiring Diagrams 180 2 1 Indoor Unit 180 2 2 Outdoor Unit 181 3 Precautions for New Refrigerant R 410A 182 3 1 Outline 182 3 2 Refrige...

Страница 189: ...xchanger Electronic expansion valve Compressor Accumulator Pressure switch high Service port 5 16 flare Stop valve with service port 5 16 flare 3D069535 Filter Filter 4 way valve Indoor heat exchanger...

Страница 190: ...TERMINAL CONNECTOR 3D069625 INDOOR UNIT YLW A1P PRINTED CIRCUIT BOARD F2 ORG F1 C105 H4P H3P R3T R2T R1T BLU P2 P2 F1U R1T GRN INDOOR UNIT P1 BLK P1 t t t H5P HAP Z1C A1P X1M X2M N 4 X16A V1R NE X27A...

Страница 191: ...GRAY GRN GREEN 3D068608 A1P PRINTED CIRCUIT BOARD A2P PRINTED CIRCUIT BOARD TO INDOOR POWER SUPPLY A3P PRINTED CIRCUIT BOARD UNIT 220 240V 50Hz L N A4P PRINTED CIRCUIT BOARD X1M 1 3 2 X1M GRN BS1 BS4...

Страница 192: ...frigerant mixture of 2 or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 10...

Страница 193: ...183 Thermodynamic characteristic of R 410A Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specific enthalpy kJ kg Liquid Vapor Specif...

Страница 194: ...sure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or roll them on the g...

Страница 195: ...Do not use the same tools for R 22 and R 410A Thread specification differs for R 410A and R 407C Charging cylinder Weighting instrument used for HFCs Gas detector The same tool can be used for HFCs V...

Страница 196: ...rgin of 0 to 0 5 mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5 mm For clutch type only Conventional tool with pipe extension m...

Страница 197: ...ee of vacuum 50 l min 50 Hz Select a vacuum pump which is able to keep 60 l min 60 Hz the vacuum degree of the system in excess of Suction port UNF7 16 20 1 4 Flare 100 7 kPa 5 torr 755 mmHg UNF1 2 20...

Страница 198: ...rigerant oil Air compal Specifications Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle Offers high rust resistance and stability over long period of time Dif...

Страница 199: ...ut hand operate valve that prevents refrigerant from outflow Differences Pressure proof hose Change in service port diameter Use of nylon coated material for HFC resistance 8 Charging cylinder Specifi...

Страница 200: ...igerant charging A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences Measurement is based on weight to prevent change of mixing ratio duri...

Страница 201: ...l carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact y...

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