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  MegaLife 

ARV OUTDOOR UNIT 

–

 ARV 6 ALL DC INVERTER T1 50&60HZ                            Service Manual 

 

 

Service Manual 

ARV Outdoor Unit 

ARV 6 All DC Inverter T1 

 

                                                                         

 

 

 

 

                                                                                               

 

ARV-H250/SR1MV     

ARV-H280/SR1MV 

ARV-H330/SR1MV 

ARV-H400/SR1MV     

ARV-H450/SR1MV 

ARV-H500/SR1MV 

ARV-H560/SR1MV 

ARV-H610/SR1MV 

Summary of Contents for ARV Series

Page 1: ...ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual Service Manual ARV Outdoor Unit ARV 6 All DC Inverter T1 ARV H250 SR1MV ARV H280 SR1MV ARV H330 SR1MV ARV H400 SR1MV ARV H450 SR1MV ARV H500 SR1MV ARV...

Page 2: ...Circuit 4 1 Cooling Operation 6 2 Heating Operation 8 3 Component introduce 11 Part2 Installation 13 1 Preface of installation 14 2 Installation of Outdoor Unit 15 3 Pipes Laying 21 4 Welding 30 5 Ga...

Page 3: ...ing Main PCB 63 5 Commissioning Based on Monitoring Software 72 6 IDU Parameter setting by Controller 109 35 109 Part4 Special Control 119 1 Special Control 120 Part5 Trouble shooting 132 1 IDU Error...

Page 4: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual Part1 Refrigerant Circuit...

Page 5: ...ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 1 Cooling Operation Error Bookmark not defined 2 Heating Operation Error Bookmark not defined 3 Component introduce Error Bookmark not...

Page 6: ...n temperature 5 Tho1 Condenser outlet temperature 6 Tdef1 Defrost temperature 7 Td1 Discharge of compressor 1 8 Td3 Oil temperature 9 Td4 Liquid piping temperature of ODU Refrigerant cooling liquid st...

Page 7: ...perature 4 Ts Gas liquid separator outlet Suction temperature Refrigerant cooling liquid stop valve 4 Way Valve LGS Condensor DC Inverter HP Sensor OS gas stop valve EXV1 service valve LP Sensor stora...

Page 8: ...n ARV H250 SR1MV ARV H280 SR1MV ARV H330 SR1MVARV H400 SR1MV ARV H450 SR1MV NO Component Sensors Full name Refrigerant cooling liquid stop valve 4 Way Valve LGS Condensor DC Inverter HP Sensor OS gas...

Page 9: ...ge of compressor 1 8 Td3 Oil temperature 9 Td4 Liquid piping temperature of ODU ARV H500 SR1MV ARV H560 SR1MV ARV H610 SR1MV Refrigerant cooling liquid stop valve 4 Way Valve LGS Condensor DC Inverter...

Page 10: ...ture of PMV3 2 Tdef2 Outlet temperature of sub cooler 3 Tao Environment temperature 4 Ts Gas liquid separator outlet Suction temperature 5 Tho1 Condenser outlet temperature 6 Tdef1 Defrost temperature...

Page 11: ...efrigerant Filter Filter impurities to avoid blockage of electronic expansion valve SV1 Unload Valve SV5 SV6 Enhance vapor injection Valve HP sensor High Pressure Sensor Detecting refrigerant system h...

Page 12: ...L DC INVERTER T1 50 60HZ 12 PMV EXV throttling and reducing refrigerant pressure LGS Liquid gas separator To separate gas refrigerant and liquid refrigerant LP Sensor Low Pressure Sensor Detecting ref...

Page 13: ...ation of Outdoor Unit Error Bookmark not defined 3 Pipes Laying Error Bookmark not defined 4 Welding Error Bookmark not defined 5 Gas Tightness Test Error Bookmark not defined 6 Vacuum Drying Error Bo...

Page 14: ...n accordance with all applicable legislation In this service manual the term applicable legislation refers to all national local and other laws standard codes rules regulations and other legislation t...

Page 15: ...tilation of the outdoor unit do not affect the neighbors of the property owner or any surrounding ventilation 3 Ensure that the outdoor unit is installed in a cool place without direct sunlight exposu...

Page 16: ...6 ALL DC INVERTER T1 50 60HZ Service Manual 16 2 2 Pre tools Tape measure Spanner Electric hammer Screw driver Nut gasket Level meter 2 3 Maintenance and Ventilation Space 2 3 1 Ensure necessary insta...

Page 17: ...face installation for easy maintenance and avoid air short circuit 2 3 3 If miscellaneous articles are piled around the outdoor unit it should be at least 1000mm higher than the top of outdoor unit Ot...

Page 18: ...keep it horizontal The bolt should have a proper length of 20mm more than base surface 2 4 2 If the system has more than two outdoor units The largest capacity unit should be set as the master unit wh...

Page 19: ...drawing 2 4 4 The foundation can be made of channel steel or concrete Reserve the space for discharging the condensate water from outdoor units 2 4 5 Install drainage channels to ensure condensed wat...

Page 20: ...7 Rubber anti vibration pads are necessary to avoid vibration 2 4 8 If the outdoor unit need side air flow outlet by a duct it is necessary to remove out the wind grille Air flow Air exhausted duct If...

Page 21: ...V OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 21 3 Pipes Laying 3 1 Pre tools Tube expander Spanner Expander Screw driver Electric hammer Pipe bender Mounting bracket hanger Hoop Expa...

Page 22: ...cations Thickness mm Weight length inch mm 1m Kg 1Kg m 1 4 6 35 0 8 0 124 8 06 3 8 9 52 0 8 0 195 5 12 1 2 12 7 0 9 0 297 3 36 5 8 15 88 1 0 0 416 2 4 3 4 19 05 1 0 0 505 1 98 7 8 22 22 1 2 0 706 1 41...

Page 23: ...0 5MPa N2 and the nozzle should be sealed by welding 3 2 4 Don t let dust such as concrete fragment sand and copper slag ingress into the system 3 2 5 Don t install pipe while raining to prevent water...

Page 24: ...ngle bending many times in a short distance 3 4 2 Pipe bender must be used for pipe bending The curvature can t be too small otherwise the pipe may be bent and shrunken affecting refrigerant flow 3 4...

Page 25: ...laring of copper tube 3 5 1 The burr of the copper tube should be removed before the copper tube is expanded 3 5 2 It is required to expand the inside diameter at connection area with Tube expander 3...

Page 26: ...ing opening in the following table Diameter of pipe Tightening torque Machining dimension of flared section A Shape of flaring opening Apply oil 1 4in 6 35mm 15 19 N m 8 8 9 1mm 3 8in 9 52mm 35 40 N m...

Page 27: ...oint must be installed horizontally and the lean angel should be 15 to avoid refrigerant distribution unbalance 3 6 2 To ensure the refrigerant distribution is balance pipe length which between two br...

Page 28: ...ual 28 3 7 Oil Trap When the Vertical height between indoor and outdoor units more than 8 or 10 meters ensure the Refrigeration oil return to compressor smoothly the oil trap is necessary Oil Trap 1 2...

Page 29: ...31 105 22 22 7 8 31 150 25 4 1 45 150 28 6 9 8 45 150 34 9 11 8 60 250 3 8 Pipeline fixing Refrigerant pipe should be fixed when running refrigerant pipe will sway expand or shrink if unfixed load wil...

Page 30: ...Life ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 30 4 Welding 4 1 Pre tools Nitrogen cylinder Nitrogen pressure regulating valve Nitrogen pressure gauge Welding device Connection...

Page 31: ...e nitrogen The pressure of the nitrogen is 0 5 MPa or air to remove dust and moisture inside pipe 4 3 Fill nitrogen and welding 4 3 1 Ensure to fill nitrogen The pressure of the nitrogen is 0 02 MPa f...

Page 32: ...layers will cause blockage of capillary tube or expansion valve abnormal discharge temperature poor cooling or heating performance Charge N2 to the pipes NO N2 to the pipes 4 3 3 If permitted it s rec...

Page 33: ...ter i fPressure ga uge p oi nterd rop C om p l eti on ofg a sti g htnesstest i fN o d rop i n the p ressure g a ug e p oi nter 4 C ha r g i ng ni trog en g a s 4 0 Mpa a nd keep 24h to check i sthere...

Page 34: ...en until the pressure is 0 3MPa 2 Charge R410a refrigerant to 0 5MPa namely the mixed state of nitrogen and refrigerant 3 Check with halogen lamp butane gas petroleum gas detector and electric detecto...

Page 35: ...nitrogen gas unable to flow from A to B or B to A So when charging the nitrogen gas it should be charged from the both liquid gas sides Li q ui d si d e G a ssi d e EXV term i na l I D U PC B Before c...

Page 36: ...TER T1 50 60HZ Service Manual 36 5 4 Schematic diagram Nitrogen filling mode 1 Connect to gas and liquid cut off valve N2 0 3 1 5 4 0 M p a Pressure regulating valve Nitrogen pressure gauge 1 Nitrogen...

Page 37: ...gas liquid piping If pressure gauge point drops apply soap water Focus on inspection of welding points such as 1 8 below to check for leakage Find out the leak point and re weld N2 0 3 1 5 4 0 M p a P...

Page 38: ...ow the outside air temperature and the water in the pipe is evaporated 2 After the vacuuming process of R410A refrigerant circulation system is complete vacuum pump will stop running As a result of su...

Page 39: ...perature is 7 2 vacuuming can be carried out under 752mmHg 6 2 Pre tools Vacuum pump 4L s vacuum pressure gauge Connection hose Water s boiling point Pressure mmHg Vacuum degree mmHg 40 55 705 30 36 7...

Page 40: ...6 3 Schematic diagram Gas and liquid stop valve must be closed 1 3 valves should be opened Vacuum pump with one way valve to prevent pump oil from flowing backward while the vacuum pump is stopped 1...

Page 41: ...ure is less than 100 7Kpa perform the vacuum drying for more than 1 hour and closed the valve 2 After vacuum pump stopped check whether the pressure is maintained within 100 7Kpa for an hour Over 100...

Page 42: ...1 Purpose of Insulation Prevent condensate water adhere to the gas pipe Protect people from hurt of high temp Avoid energy loss 7 2 Pre tools Rubber and plastic insulation casing Cutting knife Air con...

Page 43: ...OOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 43 7 3 2 The insulation work must be done to every part of refrigerant pipes 7 3 3 Insulation material Pipe diameter Thickness 6 4 15 9mm 15mm...

Page 44: ...ation conditions test However it may subject to dripping if working in high humidity condensation temperature 23 environment for a long time In this case please add the following thermal insulation ma...

Page 45: ...by the length of liquid pipe recharge refrigerant Additional refrigerant charge volume L1 0 52 L2 0 34 L3 0 25 L4 0 17 L5 0 11 L6 0 054 L7 0 022 8 2 Pre tools Vacuum pump 4L s Connection hose electro...

Page 46: ...valves are opened 2 valve are closed 8 4 Steps for recharging refrigerant 1 Make sure vacuum drying is qualified before recharging refrigerant 2 Calculate the required refrigerant volume by the diamet...

Page 47: ...mode Before recharging clear the air in the soft pipe and pressure gauge s pipe 9 Electrical Wiring 9 1 Wiring Diagram of Indoor Unit and Outdoor Unit Power line must be properly fixed Outdoor unit mu...

Page 48: ...mm2 Separ ate power ARV H250 SR 1MV 380 415V 3Ph 50 60Hz 4 32 30mA 0 1 sec 4 ARV H280 SR 1MV 6 32 30mA 0 1 sec 6 ARV H330 SR 1MV 6 40 30mA 0 1 sec 6 ARV H400 SR 1MV 6 50 30mA 0 1 sec 6 ARV H450 SR 1M...

Page 49: ...cting wire on connecting terminal without loosening ground wire must be connected at designated position 9 3 2 Open cover plate of electric appliance on right of outdoor unit and wire according to ele...

Page 50: ...k Error Bookmark not defined 2 Master unit setting Error Bookmark not defined 3 Commissioning Error Bookmark not defined 4 Parameter Setting Main PCB Error Bookmark not defined 5 Commissioning Based o...

Page 51: ...trol wire are correctly connected Confirm wired controller is properly connected Confirm all units have passed nitrogen pressure keeping test for 24 hours Confirm the system has been carried out vacuu...

Page 52: ...rigerant system and compressor Confirm drainage is smooth and its lift pump is operational Confirm operating current is within the allowed range Confirm each operating parameter is within the range pe...

Page 53: ...teps and take necessary actions 1 Calculate the refrigerant charge volume A A factory charge volume additional charge volume 2 Calculate the indoor area volume B as the minimum volume 3 Calculate the...

Page 54: ...g 1 2 Definition OFF OFF Master OFF ON Slave 1 ON OFF Slave 2 ON ON Slave 3 3 Commissioning IDU and ODU power on then the main PCB digital tube displays it means the system is waiting for commissionin...

Page 55: ...ong press Fun Test buttons for more than 5 s to complete project commissioning in advance 3 1 Address Setting Digital tube will display Press Up or Down buttons to choose 0 or 1 Short press Fun to con...

Page 56: ...tent need to conduct manual check DIP address communication cable and etc and commissioning confirmation again If display quantity of ODU is consistent short press Fun button to confirm digital tube w...

Page 57: ...2 s later enter step 4 3 4 Communication of ODUs Automatically detects the communication between master main PCB and drivers fan motor and compressor after 2 s If there is a faulty it will display al...

Page 58: ...detecting display If abnormal then corresponding failure displays for example It cannot enter the next judgment Only displays the fault with the highest priority In case that several modules had fault...

Page 59: ...fault display need to do Troubleshooting All buttons are invalid If there are no any faults or all faults were solved digital tube displays About 2 s later enter step 7 3 7 Compressor preheating If t...

Page 60: ...frigerant judgment During detecting display If any module low pressure P s 25 then point out refrigerant lack protection display All buttons are invalid It required to check is there any leakage need...

Page 61: ...g Automatically select operating mode according to outdoor environment temperature If temperature 20 running cooling model If temperature 20 running heating model This step displays waiting for start...

Page 62: ...20min later displays After 5s enters normal standby status or locking Project commissioning is finished 3 12 Heating Operation Display all indoor units run in 30 high speed If there is no any fault 20...

Page 63: ...ar emergency Default OFF ON 1 Compressor emergency ON Modular emergency ON OFF 2 Compressor emergency ON ON Function setting SW5 1 2 Function OFF OFF Without quiet mode Default OFF ON Quiet in night O...

Page 64: ...ecause the emergency cannot work long time After solved the problem please cancel emergency setting others the ODU cannot run 4 2 Parameter set by Key button 4 2 1 General introduce After commissionin...

Page 65: ...confirm Commissioning Status Checking Parameter Checking Restore to factory setting 4 2 2 E Parameter Checking Choose press Fun key 1 Press Up or Down key to choose the number of function you want 1 1...

Page 66: ...temp 0 1 3 Open degree of PMV1 pls 11 Tci1 outlet of condenser 1 0 1 4 Open degree of PMV2 pls 12 Tci1 outlet of condenser 2 0 1 5 High press sensor Temp 0 1 13 Tdef1 defrost temperature 0 1 6 Low pre...

Page 67: ...on Name Display 1 IDU ODU capacity rate 135 or 200 135 Rate is135 200 Rate is200 3 VER variable energy efficiency regulation 0 or 1 or 2 0 basic mode 1 high efficiency 2 turbo mode 4 Blow off snow Aut...

Page 68: ...r Down key 4 Short press Fun key to confirm The function name and number show in the table below Function names 1st step 2nd step 3rd step Notice Main menu Serial Number Parameter Setting IDU ODU capa...

Page 69: ...me 2 1h cycle time 3 3h cycle time 4 10h cycle time 1 Choose the number 4 2 Short press Fun 3 Choose 0 or 1 or 2 or 3 or 4 0 is default when you change it the outdoor fan will run to blowing off snow...

Page 70: ...lly determine whether the refrigerant is filled up by detecting pressure requires 4 2 5 r Restore to Factory Setting Choose short press Fun key 1 Press Up or Down key to choose the number of function...

Page 71: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 71...

Page 72: ...al Information 1 Main Function 1 1 Used for monitoring indoor and outdoor units operation parameters check the refrigerant system is normal or not 1 2 Control indoor units operation state temperature...

Page 73: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 73 5 2 Accessory 1 Hardware Laptop USB to RS485 converter 2 Software Monitoring Software Driver Program...

Page 74: ...ER T1 50 60HZ Service Manual 74 5 3 Installation of software 1 Double click 2 Choose the installation path then click Next 3 Confirm the installation path then click Next 4 Choose Create a desktop sho...

Page 75: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 75 click Next 5 Confirm click Install...

Page 76: ...V 6 ALL DC INVERTER T1 50 60HZ Service Manual 76 6 Install waiting 7 Automatic judge install Microsoft net Framework 4 0 or not If it should be installed please choose I have read and accept the licen...

Page 77: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 77 8 Install Microsoft net Framework 4 0 waiting...

Page 78: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 78 9 Finishing 10 Finish the installation Desktop Icon...

Page 79: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 79 5 4 Installation of Driver 1 Installation steps...

Page 80: ...6 ALL DC INVERTER T1 50 60HZ Service Manual 80 1 After USB to RS485 converter be connect to laptop s USB port Open Management Other devices FT232R_USB_UART 2 Choose FT232R_USB_UART right click then c...

Page 81: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 81 3 Choose and click Browse my compute for driver software 4 Choose the position of the Driver program Click OK then Next...

Page 82: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 82 5 Finish installation of the first part...

Page 83: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 83 6 Open Management Other devices USB Serial Port right click then choose Update Driver Software...

Page 84: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 84 7 Choose the position of the Driver program Click OK then Next 8 Finishing installation...

Page 85: ...Check USB 485 COM 1 Open the device manager Win 7 path is Control Panel device manager Win XP path is Control Panel management tool Computer Management device manager The following Win 7 system is ta...

Page 86: ...UTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 86 3 Change USB 485 COM 1 Choose the USB serial port Choose attribute by right mouse button 2 Click port setting then choose Advanced by lef...

Page 87: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 87 3 Through COM port choose a COM x then click OK to finish change...

Page 88: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 88...

Page 89: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 89 5 5 Function 1 Communication Port 1 Click Connect button 2 Choose Com then click Submit to start...

Page 90: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 90 2 Data Frame 1 Click Listen L button Choose Frame date...

Page 91: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 91 3 Control Indoor Unit Click indoor control button Pop up the following window Wired controller Indoor units IP address...

Page 92: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 92 4 Operation Parameter Information...

Page 93: ...T1 50 60HZ Service Manual 93 1 Outdoor data 1 2 means The system had 2 ODUs 1 unit was running and another unit was standby Indoor data 3 11 means The system had 11 IDUs 3 units were running and 8 un...

Page 94: ...s_t Saturation temp suction pressure Tda Discharge temp 1 Compressor 92 Tdb Discharge temp 2 Compressor 92 Toil Oil temp Ts Suction temp 22 Tao Outdoor ambient temp Tci1 Outlet temp of condenser 45 Td...

Page 95: ...e INV1 rps Target frequency 1 Compressor INV2 rps Target frequency 2 Compressor aINV1 rps Running frequency 1 Compressor aINV2 rps Running frequency 2 Compressor Fan1Tar Target rpm 1 motor Fan2Tar Tar...

Page 96: ...480 cooling Pluse_EXV3 Pluse_EXV3 sub cooling 4WV 4 way valve heating Close cooling SV1 Unloading valve SV2 SV3 Sub cooling valve Open cooling SV5 Vapor injection valve 1 Comp Open heating SV6 Vapor i...

Page 97: ...output capacity 0 100 RunCap Running output capacity 0 100 OutRatio Target output capacity Outdoor capacity Run Stop Running time Error Code Error Code V_Inverter1 Busbar voltage 1 Compressor 512 ACl...

Page 98: ...UTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 98 3 Whole Indoor data interface Choose a line one of the indoor unit then the detailed information of this indoor unit will be displayed ab...

Page 99: ...UTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 99 NO Name Detailed information Reference Address Indoor unit IP address Unit Mode Type of indoor unit Capacity Indoor unit s capacity Namep...

Page 100: ...PC Ctrl ON_OFF ON OFF state ModeCmd Setting Mode Settemp Setting temperature FanCmd Setting fan speed SwingCmd Setting swing mode HealthCmd Health mode HeaterCmd Electric auxiliary heat mode SleepCmd...

Page 101: ...heat SCS Sub cooled Pulse_EXV Pulse_EXV 100 300 Fan speed Fan speed state Pump Pump Heater Electric auxiliary heat Health Health Swing Swing FloatSW Float switch state Room card Room card state Switc...

Page 102: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 102 Error code Error code 5 Operation Parameter Save 1 Click Data button 2 Choose Data save setting button...

Page 103: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 103 3 Choose Raw Data save setting button 6 Operation Parameter Replay 1 Click Replay R button choose a data file to replay...

Page 104: ...UTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 104 2 Click Start button to replay 3 Replay progress replay time data path were displayed at the bottom 7 Operation Parameter Curve 1 Click...

Page 105: ...ER T1 50 60HZ Service Manual 105 2 The curve Can show all parameters which changing according the time Can read the real time parameters within recent 30 min 8 Operation Manual 1 Click Help H button t...

Page 106: ...ption The software s default state is the unregistered which can read real time parameter operation data s save indoor units control operation parameter s curve Parameter data replay function need to...

Page 107: ...IT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 107 2 Click Generate 3 Copy raw code then send to technical support engineer 4 Technical support engineer provide registration code 5 Click Help H bu...

Page 108: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 108 5 Input the Register and finish...

Page 109: ...alized ID address 1 1 64 3 wired controller ID address 1 1 16 4 model of indoor unit 1 0 35 01 50HZ Low ESP Duct Drain Pump 01 Mid ESP Duct Drain Pump 02 High ESP Duct Within 60K 02 High ESP Duct 2 Pi...

Page 110: ...ype 34 Fresh Air Processor 2 Pipe system 22 28kw 35 High ESP Duct 1 Pipe system 22 28kw 5 capacity of indoor unit 8 1 100 280W unit 6 priority of indoor unit 0 0 3 0 No priority 1 priority 1 2 priorit...

Page 111: ...ng ventilati on 12 installation height of indoor unit 0 0 1 0 installation height is lower than 2 7m 1 installation height is higher than 2 7m 13 switching between Celsius degree and Fahrenheit 0 0 1...

Page 112: ...on at the down side simultaneously more than 10s to enter the address setting mode First will display 1 1 the above number means Series parameter number from 1 15 the below number means Meaning of par...

Page 113: ...l 113 6 2 2 Parameter Setting 1 Press the or button to change the parameter series number 2 Press the IClean or ECO button to change the parameter correspondence 3 Press the MODE button to send order...

Page 114: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 114...

Page 115: ...splayed in timing setting zone of LCD screen 0101 means this indoor unit ID address is No 1 Press Button of Time 0201 0301 0401 0510 will be displayed successively Check 6 1 Parameter Setting Items fo...

Page 116: ...arameter setting by XK 05A 6 4 1 Enter the setting interface 1 Press Function button for 10s to enter the setting interface 2 0303 can check 6 1 Parameter Setting Items for number of parameters and co...

Page 117: ...ALL DC INVERTER T1 50 60HZ Service Manual 117 6 4 3 Parameter Correspondence Setting 1 Long press Function button for 5s the second 0303 03 will flash 2 Press up down button to change the number 3 Pr...

Page 118: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 118...

Page 119: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 119 Part4 Special Control...

Page 120: ...V 6 ALL DC INVERTER T1 50 60HZ Service Manual 120 1 Special Control 1 1 Compressor emergency 1 This function is used for twin compressor models 18 22HP Dip Switch in Main PCB Compressor Information 1...

Page 121: ...mergency function for 1 compressor as right diagram Change according Part 3 4 1 Functions set by switch Then will shields all faults of 1 compressor 4 The system will only run 2 compressor 1 2 Modular...

Page 122: ...3 Set emergency function for Slave 2 as right diagram Change according Part 3 4 1 Functions set by switch Then will shields all faults of Slave2 4 Close the liquid and gas stop valve of slave 2 5 Oth...

Page 123: ...win fan modular 1 4 Operation Priority First ON The first ON indoor unit determines the running mode of the whole system until shutdown Heating priority When any indoor unit receives the heating comma...

Page 124: ...roject demand Change according Part 3 4 1 Functions set by switch SW5 1 6 Clean Auto dust removal Outdoor fan motor run as opposite direction for a period of time to blow away the dust Choose the func...

Page 125: ...we can choose the Vacuum pumping function Choose the function according Part 3 4 2 4 C Function Setting C 5 to do Vacuum 1 Connect the vacuum pump and vacuum pressure gauge as above diagram 2 Through...

Page 126: ...set the Economic locking function Choose the function according Part 3 4 2 4 C Function Setting C 6 All indoor units will run as energy saving mode state Cooling mode indoor unit s set temperature wil...

Page 127: ...Part 3 4 2 4 C Function Setting C 7 to recycle refrigerant to outdoor units 1 After choose this function 2 Outdoor units will run cooling mode 3 Close liquid stop valve 4 When display error code F3 h...

Page 128: ...d refrigerant 1 Choose the Refrigerant Charging function in Master unit s main PCB 2 Running cooling mode automatic according running parameters main PCB digital tube will display Refrigerant state F...

Page 129: ...8 Open 3 valve 9 When F 2 be displayed means additional refrigerant will be enough 10 Then F 0 will be displayed after 3 min it means finish system will stop running automatic the service valve must...

Page 130: ...L DC INVERTER T1 50 60HZ Service Manual 130 1 Outdoor temperature Tao should 15 Tao 40 2 Indoor temperature Tai should 10 Tai 32 3 The quantity of indoor units which capacity 1 5HP should less than 70...

Page 131: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 131...

Page 132: ...rvice Manual 132 Part5 Trouble shooting 1 IDU Fault code table Error Bookmark not defined 2 ODU Fault code table Error Bookmark not defined 3 Indoor unit error code display Error Bookmark not defined...

Page 133: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 133 5 Outdoor unit trouble shooting Error Bookmark not defined 6 Appendix Error Bookmark not defined...

Page 134: ...nsor A3 Evaporator inlet temperature sensor A4 Evaporator outlet temperature sensor 1 2 Communication failure 2 Code Definition Possible reason for error code A9 The communication between indoor unit...

Page 135: ...r pump failure 1 Water pump no power 2 Water pump switch short circuit or unconnected 3 Water pump is broken 4 Drain pipe block or up lean 5 Indoor PCB is broken A6 Failure of indoor PG fan 1 Fan moto...

Page 136: ...igerant system address repeated System address setting incorrect AJ Indoor unit total capacity exceeded Stop some indoor units AF The EXV leakage 1 EXV is blocked 2 Evaporator inlet sensor failure 3 I...

Page 137: ...CB failure J3 Communication failure between main PCB and compressor drive module 1 The connection between driving module and main PCB failure 2 The communication part of outdoor unit control PCB failu...

Page 138: ...sor failure 2 The connection between sensor and outdoor PCB incorrect 3 Outdoor unit s main PCB failure 2 3 Pressure abnormal 4 Code Definition Possible reason for error code F3 Pd High pressure too h...

Page 139: ...ossible reason for error code C1 Tao ambient temp 1 Temperature sensor failure 2 Test temperature exceed limit 3 Sensor connection is incorrect 4 Outdoor unit s main PCB failure C2 Tdef1 Defrosting te...

Page 140: ...6 Liquid stop valve was closed 7 dischargr sensor failure 8 Outdoor unit PCB failure E4 Tdb 2 Compressor discharge temperature too high 2 6 1 Comp and drive failure 11 Code Definition Possible reason...

Page 141: ...ive module heat fins failure Drive module failure 38 Drive module high temperature limit frequency failure 1 Driving module failure 2 Compressor failure 3 Outdoor unit fan stop or low speed 39 Drive m...

Page 142: ...nverter driving board failure 4 Compressor failure 56 Drive module DC bus voltage over voltage or under voltage failure 1 Supply voltage below level 2 Supply voltage exceed limit 3 Drive module failur...

Page 143: ...Drive module over current 3H Drive module start failure or running out of step 3J Drive module over voltage or under voltage 41 Drive module IPM alarm 2 9 2 Fan motor and drive failure 5 Code Definit...

Page 144: ...1 B1 HP1 High pressure switch failure 1 High pressure exceed high pressure switch limit 2 High pressure switch failure 3 High pressure sensor failure 4 Instantaneous power off 5 Stop valve closed 6 Ou...

Page 145: ...Outdoor unit dial switch incorrect 2 Main PCB failure J7 Outdoor unit main control PCB ERROM module failure Mail PCB failure JJ Indoor unit total capacity exceeding Indoor units total capacity over 13...

Page 146: ...n no failure code will display on wired controller Among others wired controller doesn t automatically send warning which requires pressing CHECK button to display corresponding failure codes Press to...

Page 147: ...C INVERTER T1 50 60HZ Service Manual 147 E0A1 means the first error code A1 through the 2 1 IDU Fault code table to check error code definition E2A3 means the second error code is A3 3 3 Error code di...

Page 148: ...UTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 148 4 Outdoor unit error code display For outdoor units the error code displays on the main PCB Master unit Outdoor unit control box Outdoor...

Page 149: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 149 Digital tube in main PCB Error code H5 through the 2 2 ODU Fault code table to check the definition system leakage...

Page 150: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ 150 Symbol Description...

Page 151: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ 151...

Page 152: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ 152 TSRN TR IN NO2 CH2 4WV1 SV1 SV3 SV5 SV6...

Page 153: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ 153 CH1 C INV C FAN PMV3 PMV2 PMV1 PS Pd Td2 Td3 Td4 Tho2 Tdef2 Tao Ts Tho1 Tdef1 Td1 HP1 C I 0 TR_O XE...

Page 154: ...PWV2 2 Heating EXV PWV3 Electronic expansion valve of Vapor injection C_INV Drive modular of compressor C_FAN Drive modular of fan motor C_I O Communication Ports HP1 High pressure switch Tho2 Outlet...

Page 155: ...unning more than 3 times within an hour ODU PCB will display E3 or E4 error code Stop running until power up again Check whether Lack of refrigerant 1 No additional refrigerant 2 Low pressure is too l...

Page 156: ...ufacturer s Technician 5 2 F8 Error code F8 Compression ratio too high protection When detect the pd ps 8 then system begin to slow down the compressor running frequency After the frequency was down t...

Page 157: ...to judge Add refrigerant NO Contact the manufacturer s Technician 5 3 F9 Error code F9 Compression ratio too low protection When detect the pd ps 1 8 then system begin to increase the compressor runni...

Page 158: ...l 158 NO Condenser dirty block Clean NO Pressure sensor is abnormal Replace sensor NO Discharge temperature and Driver modular temperature is too high Yes Lack of refrigerant Add refrigerant NO NO Lac...

Page 159: ...ment temperature In addition discharge super heat is normal Then will appear HF Error code whole system will stop running Once confirm the unrecoverable Oil temperature sensor is abnormal Replace sens...

Page 160: ...5 5 HJ Error code HJ Main power failure When detect incorrect phase sequence Then will appear HJ Error code whole system stop running Power terminal board wiring loosening Tighten the wiring NO Wrong...

Page 161: ...anufacturer s Technician 5 6 H5 Error code H5 Refrigerant shortage fault Long time power off or standby over 4 hours through detect high pressure value and compare with pressure value which under norm...

Page 162: ...h than normal situation Normal discharge temperature about 80 NO 2 Poor effect in cooling or heating poor effect indoor unit air outlet temperature too high in cooling or too low in heating Lack of re...

Page 163: ...superheat temperature less than 10 within 20 minutes then will appear FH error code to protect NO Check whether the system excess refrigerant 1 Already add excess refrigerant NO 2 Whether indoor unit...

Page 164: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 164 NO Discharge temperature sensor abnormal Replace NO Contact with the manufacturer s Technician...

Page 165: ...5 50 3950K 1 T Rmin K Rnom K Rmax K 20 449 9 464 7 479 9 19 425 7 439 5 453 6 18 402 9 415 7 428 8 17 381 5 393 4 405 6 16 361 3 372 3 383 6 15 342 2 352 5 363 0 14 324 3 333 9 343 7 13 307 5 316 4 32...

Page 166: ...73 3 0 157 7 161 2 164 7 1 150 2 153 4 156 7 2 142 9 145 9 148 9 3 136 1 138 9 141 7 4 129 7 132 3 134 93 5 123 6 126 0 128 4 6 117 8 120 0 122 3 7 112 2 114 3 116 4 8 107 1 109 0 111 0 9 102 1 103 9...

Page 167: ...20 21 59 00 59 70 60 40 22 56 44 57 09 57 74 23 54 02 54 61 55 20 24 51 70 52 25 52 80 25 49 50 50 00 50 50 26 47 37 47 87 48 37 27 45 34 45 84 46 34 28 43 41 43 91 44 41 29 41 59 42 08 42 57 30 39 84...

Page 168: ...10 42 24 25 24 67 25 09 43 23 31 23 72 24 14 44 22 41 22 81 23 22 45 21 53 21 93 22 33 46 20 71 21 10 21 50 47 19 92 20 30 20 69 48 19 16 19 54 19 92 49 18 44 18 81 19 18 50 17 75 18 11 18 48 51 17 08...

Page 169: ...96 63 10 98 11 26 11 54 64 10 60 10 87 11 15 65 10 23 10 50 10 77 66 9 880 10 14 10 41 67 9 537 9 792 10 05 68 9 211 9 460 9 715 69 8 897 9 141 9 391 70 8 595 8 834 9 078 71 8 306 8 539 8 778 72 8 028...

Page 170: ...2 84 5 401 5 577 5 758 85 5 231 5 403 5 580 86 5 069 5 237 5 410 87 4 912 5 076 5 245 88 4 760 4 921 5 087 89 4 615 4 772 4 934 90 4 474 4 628 4 787 91 4 338 4 489 4 645 92 4 207 4 354 4 506 93 4 081...

Page 171: ...3 174 105 2 858 2 970 3 086 106 2 778 2 887 3 000 107 2 699 2 806 2 917 108 2 623 2 728 2 837 109 2 549 2 652 2 758 110 2 479 2 579 2 683 111 2 410 2 508 2 610 112 2 343 2 439 2 539 113 2 279 2 373 2...

Page 172: ...MegaLife ARV OUTDOOR UNIT ARV 6 ALL DC INVERTER T1 50 60HZ Service Manual 172...

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