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MIV V5 Heat Recovery DC Inverter R410A 

 

DM14-01.01.18en 

Troubleshooting  

164 

4.4 E4: Temperature senor (ambient temperature sensor T4, pipe temperature sensor T3/T5) 
E7: Discharge temperature sensor error   

The error only display on faulty unit, all the ODU will be standby. 

 

 
 
 
                                                                   
 

 

E4/H7: Temperature sensor error 

Temperature sensor port 
on main PCB are loose 

Fasten the temperature 
sensor port 

Temperature sensor is short circuit or 
disabled (Using a multimeter to 
measure resistance, if the resistance is 
too small, the sensor is short circuit, if 
the resistance in certain temperature is 
not consistent with attached table 1, 
the sensor is disabled) 

Replace the sensor 

No 

No 

Yes 

Yes 

Outdoor main PCB 
is damaged   

Replace the outdoor 
main PCB 

Содержание MVUR252B-VA3

Страница 1: ...DM14 01 01 18en Service manual MIV V5 Heat Recovery DC INVERTER R410A MVUR252B VA3 MVUR280B VA3 MVUR335B VA3 MVUR400B VA3 MVUR450B VA3...

Страница 2: ...art 1 General Information 1 Part 2 Selection Procedure 16 Part 3 Part 3 Outdoor Unit Specifications Performance 24 Part 4 Outdoor Unit Installation 100 Part 5 MS Unit Installation 132 Part 6 Troublesh...

Страница 3: ...4 01 01 18en MIV V5 Heat Recovery DC Inverter R410A General Information 1 Part 1 General Information 1 Features 2 2 Outdoor units line up 8 3 MS units lineup 10 4 Indoor units lineup 11 5 Nomenclature...

Страница 4: ...ondenser New structure enhanced mid frequency performance Specially designed scroll profile for R410A More compact weight reduced by 50 Advanced permanent magnet DC motor improves low frequency band p...

Страница 5: ...24in WG external static pressure for customized applications 60Pa 0 24in WG is available customized for the 8 12HP model 40Pa 0 16in WG is available customized for 14 16HP A standard 0 20Pa 0 0 08in...

Страница 6: ...in the safe level completely solve the compressor oil lack problem 1st stage compressor internal oil separate 2nd stage high efficiency oil separator separation efficiency up to 99 3rd stage oil bala...

Страница 7: ...peration time optimizing the units noise output noise 08 00 100 50 14 00 22 00 08 00 Peak value of ambient temp Noise dB Load Capacity 8hrs 10hrs Night silent Mode Max 10dB 10Hp 8hrs 10hrs Night silen...

Страница 8: ...of PQE achieved both of communication for indoor outdoor unit and network It s more convenient for communication wiring 1 5 3 Convenient inspection window 4 bits LED digital tube display The check wi...

Страница 9: ...simple pipe system for convenient maintenance The newly designed rotating control box is so excellent that it can rotate in a wide angle It is convenient for the inspection and maintenance of the pip...

Страница 10: ...2 Outdoor units lineup Outdoor units lineup The capacity range of outdoor units is from 8HP up to 64HP in 2HP increment Maximum 64 indoor units with capacity up to 130 of total outdoor units can be c...

Страница 11: ...3 8HP 10HP 12HP 50 32 MVUR900B VA3 16HP 2 MVUR900B VA3 8HP 4 53 34 MVUR960B VA3 10HP 2 14HP MVUR960B VA3 8HP 3 10HP 56 36 MVUR1010B VA3 10HP 2 16HP MVUR1010B VA3 8HP 3 12HP 59 38 MVUR1065B VA3 10HP 12...

Страница 12: ...name External appearance MS02 N1 C MS04 N1 C MS06 N1 C Specifications MS Model Max number of all downstream indoor units MS02 N1 C 8 MS04 N1 C 16 MS06 N1 C 24 3 2 MS units which can be connected only...

Страница 13: ...y 100W Cassette type One way cassette Two way cassette Compact four way cassette Four way cassette 18 22 28 36 45 56 71 80 90 100 112 140 Capacity 100W Duct type Low static pressure duct Medium static...

Страница 14: ...0W Floor standing Ceiling Floor Console Cased floor standing Ceiling floor console 22 28 36 45 56 71 80 90 112 140 160 Capacity 100W Wall mounted Wall mounted Wall mounted 22 28 36 45 56 71 80 90 125...

Страница 15: ...erter inverter S tandard on off Model Modification A Z AA ZZ Capacity index kW 10 The main feature of the system air cooled C ooling cooling only H eat pump cooling and heating R ecovery heat recover...

Страница 16: ...ormation 5 2 MS unit MS 02 E N1 C Series code Refrigerant type N1 R410A E The MS can connect only one indoor unit Omit The MS can connect multiple indoor units MS type 02 Two groups refrigerant pipe 0...

Страница 17: ...tandard on off Model Modification A Z AA ZZ Capacity index kW 10 Type of the indoor unit W all wall ca S sette cassette 600x600 C assette cassette o N e way 1 way cassette T wo way 2 way cassette L o...

Страница 18: ...DM14 01 01 18en MIV V5 Heat Recovery DC Inverter R410A Selection Procedure 16 Part 2 Selection Procedure 1 Introduction 17 2 Unit selection based on cooling load 22...

Страница 19: ...ity is the nearest to and greater than given load Note Individual indoor unit capacity is subject to change by the combination Actual capacity has to be calculated according to the combination by usin...

Страница 20: ...168900 45 0 153500 40 5 138200 36 0 122800 31 5 107500 27 0 92100 22 5 76800 18 181500 69 2 236100 63 8 217700 58 5 199600 53 2 181500 47 9 163400 42 6 145400 37 2 126900 31 9 108800 26 6 90800 20 191...

Страница 21: ...2 348700 87 6 298900 73 0 249100 54 516900 197 0 672200 181 8 620300 166 7 568800 151 5 516900 136 4 465400 121 2 413500 106 1 362000 90 9 310200 75 8 258600 56 539100 205 4 700800 189 6 646900 173 8...

Страница 22: ...unit capacity according to the piping length If the corrected capacity is smaller than the load the size of indoor unit has to be increased and repeat the same selection procedure 1 5 Cooling capacity...

Страница 23: ...ction Procedure 1 5 2 Heating capacity modification 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5...

Страница 24: ...ominal cooling capacity 28kW 95500Btu h Calculate the proportion 258 280 92 2 Result Because the proportion is within 50 130 it is a right selection Real function data with indoor unit combination For...

Страница 25: ...complished the calculation But if you think this result is not acceptable you can repeat the above process Remark In this sample the other capacity modification indexes don t be considered and are ass...

Страница 26: ...s Performances Part 3 Specifications Performances 1 Specifications 25 2 Dimensions 46 3 Service space 49 4 Piping diagrams 51 5 Wiring diagram and field wiring 53 6 Electric characteristics 56 7 Capac...

Страница 27: ...2 30 2 30 2 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 500 500 Outdoor fan motor Model WZDK750 38G 4 WZDK750 38G 4 WZDK750 38G 4 Type DC motor DC motor DC motor Quantity...

Страница 28: ...as Pipe in mm 7 8 22 2 7 8 22 2 1 25 4 High Pressure Gas Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6...

Страница 29: ...4 30 4 Refrigerant oil type FVC68D FVC68D Refrigerant oil charge ml 500 500 500 500 Outdoor fan motor Model WZDK750 38G 4 WZDK750 38G 4 Type DC motor DC motor Quantity 2 2 Brand Panasonic Nidec Panas...

Страница 30: ...gh Pressure Gas Pipe in mm 7 8 22 2 7 8 22 2 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 Ambient temp range Cooling o C 5 48 5 48 Heating o C 20 24 20 24...

Страница 31: ...heater W 30 4 30 4 30 4 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 2 500 2 500 2 Outdoor fan motor Model WZDK750 38G 4 WZDK750 38G 4 WZDK750 38G 4 Type DC motor DC motor...

Страница 32: ...1 8 28 6 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambient temp range Cooling o C 5 48 5 48 5 48 Heating o C 20 24 20 24 20 24 Simultaneo...

Страница 33: ...2 Btu h 107800 107800 40300 107800 40300 2 Crankcase heater W 30 4 30 6 30 8 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 3 500 3 500 4 Outdoor fan motor Model WZDK750 38G 4...

Страница 34: ...1 8 28 6 1 1 8 28 6 1 1 8 28 6 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambient temp range Cooling o C 5 48 5 48 5 48 Heating o C 20 24...

Страница 35: ...11 8 2 31 59 2 31 59 11 8 Btu h 107800 40300 2 107800 40300 2 107800 2 107800 40300 Crankcase heater W 30 8 30 8 30 8 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 4 500 4 5...

Страница 36: ...34 9 1 3 8 34 9 1 5 8 41 3 High Pressure Gas Pipe in mm 1 1 8 28 6 1 1 8 28 6 1 3 8 34 9 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambien...

Страница 37: ...acity kW 31 59 2 31 59 11 8 31 59 31 59 11 8 2 Btu h 107800 2 107800 40300 107800 107800 40300 2 Crankcase heater W 30 8 30 8 30 10 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml...

Страница 38: ...3 1 5 8 41 3 1 5 8 41 3 High Pressure Gas Pipe in mm 1 3 8 34 9 1 3 8 34 9 1 3 8 34 9 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambient t...

Страница 39: ...31 59 11 8 3 31 59 11 8 3 Btu h 107800 40300 3 107800 40300 3 107800 40300 3 Crankcase heater W 30 12 30 12 30 12 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 6 500 6 500 6...

Страница 40: ...e Gas Pipe in mm 1 3 8 34 9 1 3 8 34 9 1 3 8 34 9 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambient temp range Cooling o C 5 48 5 48 5 48...

Страница 41: ...ty kW 31 59 11 8 3 31 59 2 31 59 11 8 2 Btu h 107800 40300 3 107800 2 107800 40300 2 Crankcase heater W 30 12 30 12 30 12 Refrigerant oil type FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 6 500...

Страница 42: ...5 8 41 3 1 3 4 44 5 1 3 4 44 5 High Pressure Gas Pipe in mm 1 3 8 34 9 1 1 2 38 1 1 1 2 38 1 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Am...

Страница 43: ...tachi Quantity 6 7 8 Capacity kW 31 59 2 31 59 11 8 2 31 59 31 59 11 8 3 31 59 11 8 4 Btu h 107800 2 107800 40300 2 107800 107800 40300 3 107800 40300 4 Crankcase heater W 30 12 30 14 30 16 Refrigeran...

Страница 44: ...2 2 7 8 22 2 7 8 22 2 Low Pressure Gas Pipe in mm 1 3 4 44 5 1 3 4 44 5 1 3 4 44 5 High Pressure Gas Pipe in mm 1 1 2 38 1 1 1 2 38 1 1 1 2 38 1 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1...

Страница 45: ...ntity 8 8 8 Capacity kW 31 59 11 8 4 31 59 11 8 4 31 59 11 8 4 Btu h 107800 40300 4 107800 40300 4 107800 40300 4 Crankcase heater W 30 16 30 16 30 16 Refrigerant oil type FVC68D FVC68D FVC68D Refrige...

Страница 46: ...44 5 High Pressure Gas Pipe in mm 1 1 2 38 1 1 1 2 38 1 1 1 2 38 1 High Pressure Gas Balance Pipe in mm 3 4 19 1 3 4 19 1 3 4 19 1 Oil Balance Pipe in mm 1 4 6 1 4 6 1 4 6 Ambient temp range Cooling o...

Страница 47: ...D inch 24 3 4 8 7 8 23 5 8 37 13 16 8 7 8 23 5 8 37 13 16 8 7 8 23 5 8 mm 630 225 600 960 225 600 960 225 600 Packing size W H D inch 28 9 16 12 3 4 27 41 1 2 12 3 4 27 41 1 2 12 3 4 27 mm 725 325 68...

Страница 48: ...erter R410A 46 Specifications Performances 2 Dimensions 2 1 Overall dimensions MVUR252B VA3 MVUR280B VA3 MVUR335B VA3 MVUR400B VA3 MVUR450B VA3 Unit in mm 2 2 Section dimensions MVUR252B VA3 MVUR280B...

Страница 49: ...MIV V5 Heat Recovery DC Inverter R410A DM14 01 01 18en Specifications Performances 47 MVUR335B VA3 MVUR400B VA3 MVUR450B VA3 R R...

Страница 50: ...UNF 2A 5 8 18UNF 3A MS04E N1 C 960 600 225 820 300 7 8 14UNF 2A 5 8 18UNF 3A 2 3 2 MS pipe dimensions Unit mm Model Connect to outdoor unit Connect to indoor unit Low pressure gas pipe High pressure p...

Страница 51: ...nstalling the unit leave enough space for maintenance Unit in mm When the outdoor unit is higher than the surrounding obstacle Unit in mm One row Two rows More than two rows When the outdoor unit is l...

Страница 52: ...sipation See the figure below The height of the air director is HD namely H h Please make the air director on site Unit in mm If miscellaneous articles are piled around the outdoor unit such articles...

Страница 53: ...inverter compressor ST1 ST2 Pressure release valve Heat exchanger 1 Heat exchanger 2 Liquid valve Low pressure gas valve High pressure gas valve Oil balance valve Gas balance valve SV2 SV5 SV4 ST3 EXV...

Страница 54: ...When the ST2 is OFF the left heat exchanger is condenser When the ST1 is ON the left heat exchanger is evaporator or closed Four way valve ST3 When the system is in total cooling mode the ST3 is ON Wh...

Страница 55: ...MIV V5 Heat Recovery DC Inverter R410A DM14 01 01 18en Specifications Performances 53 5 Wiring diagram and field wiring 5 1 Wiring diagram MVUR252B VA3 MVUR280B VA3 MVUR335B VA3...

Страница 56: ...DM14 01 01 18en MIV V5 Heat Recovery DC Inverter R410A 54 Specifications Performances MVUR400B VA3 MVUR450B VA3...

Страница 57: ...t slave unit outdoor unit slave unit outdoor unit slave unit H1 H2 E All shield terminals of shield wires should be connected to COMM terminal The indoor unit at the end of communication wire shoud be...

Страница 58: ...33 4 33 4 27 9 94 7 TOCA 32 8 32 8 31 8 97 4 MFA 35 35 35 105 Compressor RLA 17 4 10 5 17 4 10 5 17 4 10 5 83 7 OFM FLA 5 9 5 9 5 9 17 7 Notes 1 RLA is based on the following conditions Indoor temp 2...

Страница 59: ...5 62 24 32 6 07 25 11 6 28 25 56 6 32 25 92 6 36 26 73 6 38 26 74 6 51 43 22 14 5 77 24 14 6 10 24 98 6 30 25 43 6 35 25 66 6 37 26 25 6 40 26 42 6 52 45 22 14 6 05 23 99 6 16 24 71 6 36 25 16 6 39 2...

Страница 60: ...2 4 24 22 32 5 46 24 29 6 19 24 65 6 22 25 01 6 25 25 50 6 31 25 75 6 38 43 18 72 4 29 22 32 5 54 24 10 6 23 24 46 6 27 24 82 6 30 25 28 6 34 25 36 6 51 45 18 72 4 43 22 32 5 57 23 85 6 29 24 20 6 34...

Страница 61: ...0 3 31 18 27 4 25 21 24 5 21 22 68 5 70 24 12 6 14 24 58 6 33 25 12 6 36 43 15 30 3 47 18 27 4 43 21 24 5 39 22 68 5 85 24 12 6 27 24 45 6 41 24 90 6 46 45 15 30 3 69 18 27 4 65 21 24 5 61 22 68 6 04...

Страница 62: ...8 2 44 14 22 3 00 16 47 3 63 17 64 4 00 18 81 4 35 21 06 5 19 23 40 6 06 43 11 88 2 63 14 22 3 20 16 47 3 78 17 64 4 21 18 81 4 48 21 06 5 38 23 40 6 25 45 11 88 2 69 14 22 3 27 16 47 3 86 17 64 4 28...

Страница 63: ...1 13 41 1 60 15 03 1 80 16 74 2 01 16 8 51 1 07 10 17 1 24 11 79 1 43 12 60 1 53 13 41 1 62 15 03 1 83 16 74 2 04 18 8 51 1 09 10 17 1 27 11 79 1 45 12 60 1 55 13 41 1 65 15 03 1 86 16 74 2 08 20 8 51...

Страница 64: ...0 6 55 27 02 7 07 27 90 7 31 28 40 7 36 28 80 7 40 29 70 7 43 29 71 7 57 43 24 60 6 71 26 82 7 11 27 75 7 33 28 26 7 39 28 51 7 41 29 16 7 45 29 36 7 59 45 24 60 7 05 26 65 7 17 27 46 7 40 27 96 7 44...

Страница 65: ...0 4 94 24 80 6 36 26 99 7 21 27 39 7 24 27 79 7 28 28 34 7 35 28 61 7 42 43 20 80 4 99 24 80 6 44 26 77 7 26 27 17 7 29 27 57 7 33 28 08 7 38 28 17 7 57 45 20 80 5 15 24 80 6 48 26 50 7 32 26 89 7 38...

Страница 66: ...0 3 85 20 30 4 94 23 60 6 07 25 20 6 63 26 80 7 14 27 31 7 36 27 91 7 41 43 17 00 4 03 20 30 5 16 23 60 6 28 25 20 6 80 26 80 7 30 27 17 7 46 27 67 7 52 45 17 00 4 29 20 30 5 41 23 60 6 54 25 20 7 03...

Страница 67: ...0 2 83 15 80 3 49 18 30 4 23 19 60 4 65 20 90 5 07 23 40 6 04 26 00 7 06 43 13 20 3 07 15 80 3 73 18 30 4 40 19 60 4 90 20 90 5 22 23 40 6 26 26 00 7 28 45 13 20 3 13 15 80 3 81 18 30 4 49 19 60 4 98...

Страница 68: ...5 14 90 1 86 16 70 2 09 18 60 2 34 16 9 45 1 25 11 30 1 45 13 10 1 66 14 00 1 78 14 90 1 89 16 70 2 13 18 60 2 37 18 9 45 1 27 11 30 1 47 13 10 1 69 14 00 1 81 14 90 1 92 16 70 2 17 18 60 2 42 20 9 45...

Страница 69: ...3 7 92 32 32 8 56 33 38 8 85 33 98 8 90 34 46 8 96 35 54 8 99 35 55 9 16 43 29 43 8 12 32 09 8 60 33 21 8 87 33 81 8 94 34 11 8 97 34 89 9 01 35 13 9 18 45 29 43 8 53 31 89 8 68 32 85 8 96 33 45 9 00...

Страница 70: ...9 5 98 29 67 7 70 32 29 8 72 32 77 8 76 33 25 8 81 33 90 8 89 34 23 8 98 43 24 89 6 04 29 67 7 80 32 03 8 78 32 51 8 82 32 99 8 87 33 60 8 93 33 71 9 16 45 24 89 6 23 29 67 7 84 31 71 8 86 32 17 8 93...

Страница 71: ...4 4 66 24 29 5 98 28 24 7 34 30 15 8 03 32 06 8 64 32 67 8 91 33 39 8 96 43 20 34 4 88 24 29 6 24 28 24 7 60 30 15 8 23 32 06 8 83 32 51 9 03 33 11 9 10 45 20 34 5 19 24 29 6 55 28 24 7 91 30 15 8 51...

Страница 72: ...9 3 43 18 90 4 22 21 90 5 12 23 45 5 63 25 00 6 13 28 00 7 30 31 11 8 54 43 15 79 3 71 18 90 4 51 21 90 5 33 23 45 5 93 25 00 6 31 28 00 7 57 31 11 8 81 45 15 79 3 79 18 90 4 61 21 90 5 44 23 45 6 03...

Страница 73: ...83 2 25 19 98 2 53 22 25 2 83 16 11 31 1 51 13 52 1 75 15 67 2 01 16 75 2 15 17 83 2 28 19 98 2 58 22 25 2 87 18 11 31 1 53 13 52 1 78 15 67 2 04 16 75 2 19 17 83 2 33 19 98 2 62 22 25 2 93 20 11 31...

Страница 74: ...6 12 39 40 58 12 47 41 15 12 54 42 43 12 59 42 45 12 83 43 35 14 11 37 38 31 12 04 39 65 12 43 40 36 12 52 40 72 12 56 41 66 12 61 41 94 12 86 45 35 14 11 94 38 07 12 15 39 23 12 54 39 94 12 61 40 13...

Страница 75: ...38 55 12 21 39 12 12 27 39 70 12 33 40 48 12 45 40 88 12 57 43 29 71 8 46 35 43 10 92 38 25 12 29 38 82 12 36 39 39 12 42 40 12 12 50 40 25 12 83 45 29 71 8 73 35 43 10 98 37 86 12 41 38 41 12 50 39 0...

Страница 76: ...8 37 33 71 10 28 36 00 11 24 38 29 12 10 39 01 12 48 39 87 12 55 43 24 29 6 84 29 00 8 73 33 71 10 64 36 00 11 53 38 29 12 36 38 81 12 64 39 53 12 74 45 24 29 7 27 29 00 9 17 33 71 11 07 36 00 11 91...

Страница 77: ...80 22 57 5 91 26 14 7 16 28 00 7 88 29 86 8 58 33 43 10 23 37 14 11 96 43 18 86 5 19 22 57 6 32 26 14 7 46 28 00 8 31 29 86 8 84 33 43 10 60 37 14 12 33 45 18 86 5 31 22 57 6 45 26 14 7 61 28 00 8 44...

Страница 78: ...29 3 15 23 86 3 55 26 57 3 96 16 13 50 2 12 16 14 2 45 18 71 2 82 20 00 3 02 21 29 3 20 23 86 3 61 26 57 4 02 18 13 50 2 15 16 14 2 50 18 71 2 86 20 00 3 06 21 29 3 26 23 86 3 67 26 57 4 10 20 13 50...

Страница 79: ...14 52 45 65 14 61 46 29 14 70 47 74 14 75 47 76 15 04 43 39 54 13 33 43 10 14 10 44 61 14 56 45 41 14 67 45 81 14 72 46 87 14 78 47 19 15 07 45 39 54 13 99 42 83 14 24 44 13 14 69 44 93 14 77 45 15 1...

Страница 80: ...37 14 30 44 01 14 38 44 66 14 45 45 54 14 59 45 98 14 73 43 33 43 9 91 39 86 12 79 43 03 14 40 43 67 14 48 44 32 14 55 45 13 14 64 45 28 15 03 45 33 43 10 23 39 86 12 86 42 59 14 54 43 21 14 65 43 92...

Страница 81: ...81 37 93 12 04 40 50 13 17 43 07 14 18 43 89 14 62 44 86 14 70 43 27 32 8 01 32 63 10 23 37 93 12 46 40 50 13 51 43 07 14 48 43 66 14 81 44 47 14 93 45 27 32 8 52 32 63 10 74 37 93 12 97 40 50 13 96 4...

Страница 82: ...25 39 6 93 29 41 8 39 31 50 9 24 33 59 10 06 37 61 11 98 41 78 14 01 43 21 22 6 08 25 39 7 40 29 41 8 74 31 50 9 73 33 59 10 36 37 61 12 42 41 78 14 45 45 21 22 6 22 25 39 7 56 29 41 8 92 31 50 9 89 3...

Страница 83: ...95 3 69 26 84 4 16 29 89 4 64 16 15 19 2 48 18 16 2 87 21 05 3 30 22 50 3 53 23 95 3 75 26 84 4 23 29 89 4 71 18 15 19 2 52 18 16 2 93 21 05 3 35 22 50 3 59 23 95 3 82 26 84 4 30 29 89 4 80 20 15 19...

Страница 84: ...20 20 57 6 43 9 5 10 21 35 5 61 21 26 5 84 21 17 6 05 21 17 6 17 21 17 6 28 21 09 6 51 8 5 9 1 21 77 5 70 21 69 5 91 21 69 6 13 21 60 6 24 21 60 6 36 21 51 6 58 7 7 6 22 54 5 84 22 54 6 05 22 46 6 26...

Страница 85: ...20 36 7 21 9 5 10 21 05 6 59 20 96 6 76 20 96 6 93 20 88 7 01 20 88 7 10 20 88 7 26 8 5 9 1 21 48 6 66 21 48 6 83 21 39 6 99 21 39 7 07 21 39 7 15 21 13 7 22 7 7 6 22 25 6 77 22 25 6 93 22 16 7 09 22...

Страница 86: ...14 14 4 71 9 5 10 18 26 6 20 17 23 5 78 16 20 5 37 15 69 5 17 15 17 4 97 14 14 4 58 8 5 9 1 18 26 6 04 17 23 5 63 16 20 5 24 15 69 5 04 15 17 4 85 14 14 4 47 7 7 6 18 26 5 77 17 23 5 39 16 20 5 01 15...

Страница 87: ...24 00 7 85 9 5 10 24 90 6 85 24 80 7 13 24 70 7 40 24 70 7 54 24 70 7 67 24 60 7 95 8 5 9 1 25 40 6 96 25 30 7 23 25 30 7 49 25 20 7 63 25 20 7 77 25 10 8 03 7 7 6 26 30 7 14 26 30 7 40 26 20 7 65 26...

Страница 88: ...23 76 8 81 9 5 10 24 56 8 05 24 46 8 26 24 46 8 46 24 36 8 57 24 36 8 67 24 36 8 87 8 5 9 1 25 06 8 14 25 06 8 34 24 96 8 54 24 96 8 63 24 96 8 74 24 66 8 82 7 7 6 25 95 8 27 25 95 8 46 25 86 8 66 25...

Страница 89: ...16 50 5 76 9 5 10 21 30 7 58 20 10 7 06 18 90 6 56 18 30 6 32 17 70 6 07 16 50 5 60 8 5 9 1 21 30 7 38 20 10 6 88 18 90 6 40 18 30 6 16 17 70 5 92 16 50 5 46 7 7 6 21 30 7 05 20 10 6 59 18 90 6 12 18...

Страница 90: ...9 5 10 29 65 8 15 29 53 8 48 29 41 8 80 29 41 8 97 29 41 9 13 29 29 9 46 8 5 9 1 30 24 8 28 30 12 8 60 30 12 8 91 30 00 9 07 30 00 9 24 29 88 9 56 7 7 6 31 31 8 49 31 31 8 80 31 19 9 10 31 19 9 26 31...

Страница 91: ...5 10 29 23 9 58 29 12 9 83 29 12 10 07 29 00 10 19 29 00 10 32 29 00 10 55 8 5 9 1 29 83 9 68 29 83 9 92 29 71 10 16 29 71 10 27 29 71 10 40 29 35 10 50 7 7 6 30 90 9 84 30 90 10 07 30 78 10 30 30 78...

Страница 92: ...7 72 21 07 7 43 19 64 6 85 9 5 10 25 36 9 01 23 93 8 40 22 50 7 80 21 79 7 52 21 07 7 22 19 64 6 66 8 5 9 1 25 36 8 78 23 93 8 19 22 50 7 61 21 79 7 33 21 07 7 04 19 64 6 50 7 7 6 25 36 8 39 23 93 7...

Страница 93: ...35 43 10 89 35 29 11 29 35 29 11 51 35 29 11 71 35 14 12 13 8 5 9 1 36 29 10 62 36 14 11 03 36 14 11 44 36 00 11 64 36 00 11 86 35 86 12 26 7 7 6 37 57 10 90 37 57 11 29 37 43 11 68 37 43 11 89 37 29...

Страница 94: ...13 12 33 94 13 44 9 5 10 35 08 12 29 34 94 12 61 34 94 12 92 34 80 13 08 34 80 13 24 34 80 13 54 8 5 9 1 35 79 12 43 35 79 12 73 35 65 13 04 35 65 13 18 35 65 13 34 35 22 13 47 7 7 6 37 08 12 63 37 08...

Страница 95: ...09 27 00 10 30 26 14 9 91 25 29 9 53 23 57 8 79 9 5 10 30 43 11 57 28 71 10 78 27 00 10 01 26 14 9 65 25 29 9 27 23 57 8 54 8 5 9 1 30 43 11 26 28 71 10 51 27 00 9 77 26 14 9 40 25 29 9 04 23 57 8 34...

Страница 96: ...3 11 96 39 37 12 44 39 21 12 91 39 21 13 16 39 21 13 39 39 05 13 87 8 5 9 1 40 32 12 14 40 16 12 61 40 16 13 07 40 00 13 31 40 00 13 55 39 84 14 02 7 7 6 41 75 12 46 41 75 12 91 41 59 13 35 41 59 13 5...

Страница 97: ...71 15 36 9 5 10 38 98 14 05 38 82 14 42 38 82 14 77 38 66 14 95 38 66 15 13 38 66 15 48 8 5 9 1 39 77 14 20 39 77 14 55 39 61 14 90 39 61 15 07 39 61 15 25 39 14 15 40 7 7 6 41 20 14 43 41 20 14 77 4...

Страница 98: ...11 78 29 05 11 33 28 10 10 90 26 19 10 05 9 5 10 33 81 13 22 31 91 12 32 30 00 11 44 29 05 11 03 28 10 10 60 26 19 9 77 8 5 9 1 33 81 12 87 31 91 12 01 30 00 11 16 29 05 10 75 28 10 10 33 26 19 9 53...

Страница 99: ...C the unit will stop for protection control 15 10 5 0 5 10 15 20 25 30 35 40 45 50 5 14 23 32 41 50 59 68 77 86 95 104 113 122 10 50 15 59 20 68 25 77 30 86 35 95 Range for continuous operation Range...

Страница 100: ...frequency Hz 63 125 250 500 1000 2000 4000 8000 70 60 50 40 30 20 Audibility limits of continuous white sound Octave band center frequency Hz 63 125 250 500 1000 2000 4000 8000 70 60 50 40 30 20 Audib...

Страница 101: ...QZHN 01D 290 105 100 0 3 0 4 Branch Joint between MS and indoor unit FQZHN 01SB 257 127 107 0 6 0 8 FQZHN 02SB 287 137 107 0 7 0 9 FQZHN 03SB 297 167 177 1 1 1 4 FQZHN 04SB 372 197 187 1 6 2 3 FQZHN 0...

Страница 102: ...for installation 102 3 Master and slave unit setting 104 4 Installation space 105 5 Air ventilation assembly installation 107 6 Refrigerant piping installation 109 7 Caution for brazing 117 8 Remove d...

Страница 103: ...in a well ventilated place that is possibly closest to the indoor unit Ensure that the outdoor unit is installed in a cool place without direct sunshine exposure or direct radiation of high temp heat...

Страница 104: ...itus layer isn t needed but the concrete surface must be flat The standard concrete mixture ratio is cement 1 sand 2 carpolite 4 and adds 3 8inch 10mm strengthen reinforcing steel bar the surface of t...

Страница 105: ...V5 Heat Recovery DC Inverter R410A DM14 01 01 18en 103 Installation Procedure Position illustration of screw bolt Unit mm Size mm 8 16HP A 1120 B 1250 C 736 D 765 5 8 7 8 15 23 long U shape hole B A...

Страница 106: ...unit must be placed at the first branch site and be set as master unit while the other are set as slave units Take 38HP composed by 10HP 12HP and 16HP as an example 1 Place the 16HP at a side of the f...

Страница 107: ...the outdoor unit is higher than the surrounding obstacle Unit mm One row Two rows More than two rows When the outdoor unit is lower than the surrounding obstacle to avoid cross connection of the outd...

Страница 108: ...articles must be 800mm below the top of the outdoor unit The articles must be 800mm below the top of the outdoor unit Otherwise a mechanic exhaust device must be added Unit in mm Set the snow proof f...

Страница 109: ...s the following method Example A Unit in mm Example B Unit in mm 47 5 8 1210 Air outlet louver dimension optional C A 28 9 16 725 B Radius Support 4 100 3 9 16 90 Remove the two iron filter firstly 12...

Страница 110: ...1000 6470 11500 6760 12000 7060 12500 7350 13000 7650 13500 7940 Static pressure Pa in WG Air volume m 3 h CFM 0 0 5 0 02 10 0 04 15 0 06 20 0 08 25 0 1 12500 7350 13000 7650 13500 7940 14000 8240 145...

Страница 111: ...tween indoor units 30m Note The indoor units should be installed as possible as equal in the both sides of the U shape branch joint 1 When counting the total piping length the actual length of the dis...

Страница 112: ...in pipe then it is no need to be increased When 40m L7 L9 L11 j k n 90m L2 L13 need to increase the pipe diameter Increasing size as the following unit mm 3 8 9 53 1 2 12 7 1 2 12 7 5 8 15 9 5 8 15 9...

Страница 113: ...2 7 FQZHN 03SB 46 A 66 28 6 22 2 15 9 FQZHN 03SB 66 A 92 34 9 28 6 19 1 FQZHN 04SB 92 A 135 41 3 34 9 19 1 FQZHN 05SB 135 A 44 5 38 1 22 2 FQZHN 05SB Table 2 Main pipe selection L1 Unit mm Model Main...

Страница 114: ...able 5 Indoor unit auxiliary pipe between MS and downstream branch joint selection a g j k Capacity of indoor unit kW Gas pipe mm Liquid pipe mm Available branching pipe A 16 6 15 9 9 53 FQZHN 01D Tab...

Страница 115: ...in pipe L5 is 19 1 15 9 9 53 select MS02 N1 C for MS2 The downstream indoor unit of L6 is N4 which capacity is 2 8 kW Refer to table 1 the indoor unit main pipe L6 is 12 7 9 53 6 35 select MS02 N1 C f...

Страница 116: ...e L1 is 41 3 34 9 19 1 the branch pipe assembly A is FQZHN 05SB 4 Select main pipe L1 For the capacity of outdoor unit is 38HP the equivalent length of all pipes in this system is larger than 90m refe...

Страница 117: ...its is not allowed to over the height of refrigerant outlet pipe 6 5 Branch pipe installation The branching pipe must be installed horizontally and error angle of it should not be larger than 10 Other...

Страница 118: ...DM14 01 01 18en MIV V5 Heat Recovery DC Inverter R410A Installation Procedure 116 tg...

Страница 119: ...ugh so it can be felt on the skin with a pressure reducing valve Do not use anti oxidants when brazing the pipe joints Residue can clog pipes and break equipment Do not use flux when brazing copper to...

Страница 120: ...allation Procedure 118 8 Remove dirt or water in the piping Make sure there is no any dirt or water in the pipe before connecting the piping to the outdoor units Wash the piping with high pressure nit...

Страница 121: ...hrs Note Pressurized nitrogen 3 9MPa 40kgf cm 2 is used for airtightness test It is not allowed to use oxygen combustible gas or toxic gas to conduct the airtightness test When welding please use wet...

Страница 122: ...unit is not necessary to vacuum don t open the outdoor unit gas and liquid pipe shut off valves Make sure the vacuum pump could result as 0 1MPa or below after 2 hours or above operation If the pump...

Страница 123: ...or 10 minutes or above Close the pressure gauge and vacuum pump in turn Open the gas balance valve and oil balance valve of the outdoor unit Remove the pressure gauge and vacuum pump After the system...

Страница 124: ...sume equivalent pipe length of the branch joint is 0 5m and MS is 1m for calculation purposes The refrigerant charge of MS02 is 0 3kg per MS04 MS06 is 0 5kg per Pipe size of liquid side mm Additional...

Страница 125: ...8 31 8 97 4A MFA 35 35 35 105A Compressor RLA 17 4 10 5 17 4 10 5 17 4 10 5 83 7A OFM FLA 5 9 5 9 5 9 17 7A Notes 1 RLA is based on the following conditions Indoor temp 27 C DB 19 C WB Outdoor temp 35...

Страница 126: ...power supply of one system into the same circuit It should turn on or shut down the unit at the same time otherwise the service life would affect seriously even the unit may not turn on Please put the...

Страница 127: ...be shielded wire Using other wiring shall create signal interference thus leading to error operation The shielded nets at the two sides of shielded wires are either grounded to the earth or connected...

Страница 128: ...zed control When centralized control is needed one CCM03 central controller of indoor unit can only control the indoor units which are in the same refrigerant system via the port X Y E of outdoor unit...

Страница 129: ...232 Converter Outdoor Unit Master Outdoor Unit Slave Outdoor Unit Slave Outdoor Unit Slave F1 F2 E To RS485 RS232 Converter Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indo...

Страница 130: ...nt mode S4 Static pressure mode selection None static pressure default Low static pressure mode reserved can be customized Medium static pressure mode reserved can be customized High static pressure m...

Страница 131: ...V5 Heat Recovery DC Inverter R410A DM14 01 01 18en 129 Installation Procedure Only 0 1 2 3 4 are available 0 8HP 1 10HP 2 12HP 3 14HP 4 16HP ENC4 Network address setting Only 0 1 2 3 4 5 6 7 are avail...

Страница 132: ...setting address code on the system scheme Turn on power switches of outdoor unit in advance and keep connected for above 12 hours so that heater heating up refrigerant oil in compressor Turn on all v...

Страница 133: ...t charge 3 Calculate the indoor volume B as the minimum volume 4 Calculate the refrigerant thickness A B critical thickness 0 3kg m3 Countermeasure to over high refrigerant thickness 1 Install mechani...

Страница 134: ...allation 132 Part 5 MS Unit Installation 1 Select installation position 133 2 Installation space 133 3 Body installation 134 4 Drain pipe installation 135 5 Refrigerant piping installation 136 6 Elect...

Страница 135: ...ay result in water leakage and bedewing furniture etc Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks Do not install the MS at any...

Страница 136: ...tion Especially for the position already has ceiling please install pipe drainage pipe indoor and outdoor units connecting wires and wire controlling wire to the connecting positionsbefore hoisting th...

Страница 137: ...have to wrap up evenly by insulated casing pipes and tighten up with lacing belt in order to prevent air admission and cause condensation 4 For avoiding to the condensate water reflow to the air condi...

Страница 138: ...p 4 2 Drain test 1 It should keep the drainage piping smooth and check every joint whether sealed up or not before doing drain test 2 For newly built room do the drain test before paving the ceiling U...

Страница 139: ...en fixed already Keep the connecting pipe dry and do not let moisture in during installation The connecting copper pipes should be wrapped up by insulated materials more than 10mm thick 5 3 The proced...

Страница 140: ...he thin wall connective pipe When bending the pipe cut out a notch of the desired size at the bend of the adiabatic pipe and then expose the pipe wrap the pipe with the wrapping tape after bending it...

Страница 141: ...orque will damage the flaring and too small torque will lead to looseness and leakage Determine the tightening torque by reference to below table Liquid and gas pipes without connecting must be tighte...

Страница 142: ...tage range External circuit of this air conditioner must be grounded that means power cable of outdoor unit shall be jointed with external grounding wire reliable Electric wiring must be done by profe...

Страница 143: ...60 5 5 2 14AWG 1 14AWG 3 core shielded wire 20AWG MS04E N1 C 220 240 1 50 60 5 5 2 14AWG 1 14AWG 3 core shielded wire 20AWG 6 2 Wiring for the MS power wire and signal wire 1 Please use dedicated powe...

Страница 144: ...C MS02 N1 C MS02E N1 C M O M I 1 4 P Q E TRANS1 P Q E P Q E P Q E P Q E P Q E P Q E M I 5 6 TRANS2 T4C T4C1 BLUE RED Y G POWER IN TO INDOOR4 TO INDOOR3 TO INDOOR2 TO INDOOR1 TO OUTDOOR TO INDOOR5 TO...

Страница 145: ...ery DC Inverter R410A DM14 01 01 18en 143 MS Unit Installation MS04E N1 C System wiring diagrams MS02 N1 C MS04 N1 C MS06 N1 C M O M I 1 4 P Q E TRANS1 P Q E TRANS2 T4C T4C1 BLUE RED Y G POWER IN TO I...

Страница 146: ...door unit signal wire is wired correctly or not Spot check 1 Only power on the MS and indoor units which belong to No n system 2 Long press the MS spot check key which is correspond to No n system for...

Страница 147: ...utdoor unit communication error LED 2 Indoor unit ON of this MS Indoor unit OFF of this MS Indoor unit communication error 7 Running test 7 1 Confirm the following insure before operation 1 Whether th...

Страница 148: ...remote controller are normal 3 Check whether the indoor temperature adjusts normally 4 Check whether the indication lamp is normal 5 Check whether the manual operation button is normal 6 Check whethe...

Страница 149: ...Heat Recovery DC Inverter R410A 147 Troubleshooting Part 6 Troubleshooting 1 Outdoor electric control box assembly instructions 148 2 Outdoor main control board instructions 150 3 Error code table 157...

Страница 150: ...of electric control box No Content 1 Electric control box assembly 2 Three phase bridge 3 Inverter module 4 Outdoor current detection board 5 Outdoor power supply board 6 DC fan module 7 Intermediate...

Страница 151: ...ox assembly 2 Inverter module 3 Three phase bridge 4 Temperature sensor 5 Outdoor power supply board 6 Outdoor current detection board 7 Outdoor power supply board 8 DC fan module 9 Intermediate adapt...

Страница 152: ...MIV V5 Heat Recovery DC Inverter R410A DM14 01 01 18en Troubleshooting 150 2 Outdoor main control board instructions 2 1 Main PCB ports instructions...

Страница 153: ...0 18 CN32 Power output of No 1 transformer The voltage between upper tow pins AC 13 5V The voltage between under tow pins AC 9V 19 CN34 Power output of No 2 transformer The voltage between upper tow...

Страница 154: ...en Troubleshooting 152 2 2 Main PCB parts instructions ENC1 ENC3 S12 S3 S7 S1 ENC2 S4 S2 ENC4 Communication chip Main control chip Dial switch LED digital tube display Spot Check button Forced cooling...

Страница 155: ...display value 18 17 Discharge temperature of inverter compressor A Actual value display value 19 18 Discharge temperature of inverter compressor B Actual value display value 20 19 Inverter module temp...

Страница 156: ...ator right condenser 3 Left evaporator close 5 Silent mode 0 nighttime silent mode 1 silent mode 2 super silent mode 3 no silent mode 6 Static pressure mode 0 no static pressure 1 low static pressure...

Страница 157: ...unit is 16 31 The quantity of indoor unit is 32 47 The quantity of indoor unit is 48 63 ENC1 Outdoor unit address setting Only 0 1 2 3 are available 0 is for main unit 1 2 3 are for slave units ENC2 O...

Страница 158: ...n three phase phase sequence protection LED4 Running indicator lamp of inverter module The lamp will be on if the compressor is running LED5 Malfunction indicator lamp of inverter module The lamp will...

Страница 159: ...unit all the ODUs are in standby Cannot be recovered until re power on H5 P2 protection appears three times in 60 minutes Display on the faulty unit all the ODUs are in standby Cannot be recovered unt...

Страница 160: ...nchronization closed loop Display after P6 displaying for one minute L5 Zero speed protection Display after P6 displaying for one minute L6 Reserved L7 Phase sequence error Display after P6 displaying...

Страница 161: ...its addresses should be set from 1 to 3 and the addresses should not be repeated in one system Reset the ODU addresses ODU communication wires are connected incorrectly all the wires for H1 H2 E conne...

Страница 162: ...should be staggered then the current can be distributed to the three phases equally E1 Phase sequence error The 3 phase sequence of power supply is wrong The A B C terminal of three phase power supply...

Страница 163: ...re not connected in line shape The communication wires are interfered by high voltage power voltage over 220V is high voltage power Communication wires are close to electromagnetic interference source...

Страница 164: ...code is 14 8 4 2 If the four LED lights are flash and the buzzer isn t warning the address code should plus 16 that means the address code is 30 16 8 4 2 If the Operation Timer and DEF FAN lights are...

Страница 165: ...53540Btu h 56kW 191070Btu h The Operation light is normally on that means the capacity code is 8 and the achievable capacity of single PCB is 112 100W 38210Btu h then add the value of two PCB so the c...

Страница 166: ...ndby E4 H7 Temperature sensor error Temperature sensor port on main PCB are loose Fasten the temperature sensor port Temperature sensor is short circuit or disabled Using a multimeter to measure resis...

Страница 167: ...rom a few ohm to hundreds of ohm for different fan motor model If the measured value is 0 the fan motor is short circuit 3 How to check whether the inverter module is output error Let PN and U V W of...

Страница 168: ...B is damaged Replace the outdoor main PCB No Yes The communication wires H1 H2 and E are short circuit or disconnected If the resistance between H1 H2andE is zero or very small the reason is short cir...

Страница 169: ...the power supply for main PCB and transformer is abnormal 2 How to check whether the transformer is disabled The voltage between upper tow pins of 18 CN32 terminal is AC 13 5V the voltage between unde...

Страница 170: ...nit is power off other outdoor units are still running it may cause system unbalance and damage devices H2 H3 Communication wire between outdoor units is loosen Fasten the communication wire Some outd...

Страница 171: ...2 7V between Q and GND is DC2 5 2 7V If the voltage is out of the normal range the 485 communication IC is disabled Indoor units should be unified power supply which can prevent compressor from liqui...

Страница 172: ...pressure side is blocked The discharge temperature is higher than normal value low pressure is lower than normal value current is lower than normal value and suction pipe may be frosting The normal s...

Страница 173: ...or makes noise pressure meter do not display steady The normal system running parameters please refer to attached table 3 If the system install three phase protector and the three phase protector conn...

Страница 174: ...running parameters please refer to attached table 3 If the system install three phase protector and the three phase protector connect with high pressure switch in series connection the system will di...

Страница 175: ...e compressor makes noise pressure meter do not display steady 5 How to check whether compressor is error Measure the resistance between two terminals among the three terminals of compressor The resist...

Страница 176: ...lower than normal value and suction pipe may be frosting 4 The phenomenon of the indoor load is too large The suction temperature and discharge temperature are both higher than normal value 5 The phe...

Страница 177: ...rogen The high pressure is higher than normal value current is larger than normal value discharge temperature is higher than normal value compressor makes noise pressure meter do not display steady P5...

Страница 178: ...y difference in one second more than 15Hz L9 frequency difference between the real and the setting frequency more than 15Hz L0 module protection L5 Zero speed protection L7 Phase sequence error P6 wil...

Страница 179: ...al then go to step 2 Step 2 Module check 1 DC voltage between terminal P and terminal N should be 1 41 times of the local power supply voltage 2 DC voltage between terminal 1 and 2 should be 510V 580V...

Страница 180: ...hooting Step 1 Check the DC voltage between 1 and 2 terminal the normal value should be 510V 580V if the voltage is lower than 510V go to step 2 Step 2 Check whether the wires of rectifier circuit are...

Страница 181: ...ting Step 1 Compressor check Measure the resistance between each two of U V W terminals of the compressor all the resistance should be the same and equal to 0 9 5 Ohms Fig A and Fig B Measure the resi...

Страница 182: ...it means the main PCB which is replaced is damaged If compressor A still can t start normally replace the compressor 5 Guide for compressor replacement Step 1 Take out the compressor from the faulted...

Страница 183: ...l the impunity may clog the filter The oil is still transparent but there is impunity in the oil the impunity may clog the filter The oil becomes cloudy and gray The oil contains a lot of copper scrap...

Страница 184: ...rn A normal bearing of the compressor The bearing is worn seriously it is damaged completely The bearing is worn seriously it is damaged completely A clean filter on the suction pipe of the system The...

Страница 185: ...e rest oil should be charged to the low pressure accumulator Pour out all of the oil from the compressor oil separator and gas liquid separator The oil is dirty Check the filter between the ball valve...

Страница 186: ...The type of the oil is FVC 68D make sure the type of the oil is right because different compressor need different type of oil if the type is wrong there will be various kinds of problems The discharge...

Страница 187: ...n or high ambient temperature Make sure the fan module working in the normal temperature range Some power wires or signal wires of fan module are loose Well connect the power wires and signal wires Th...

Страница 188: ...first the lamp is on then the lamp is off On P9 H9 Check whether the drive port and signal feedback port is loose whether the fan module and fan motor is installed firmly If above conditions are all O...

Страница 189: ...he machine 1 How to check whether the temperature sensor is short circuit or disabled Using a multimeter to measure resistance if the resistance is too small the sensor is short circuit if the resista...

Страница 190: ...13059 76 168 8 1 34105 116 240 8 0 4006 3 26 6 41 5878 37 98 6 5 87359 77 170 6 1 29078 117 242 6 0 38991 2 28 4 39 8239 38 100 4 5 62961 78 172 4 1 25423 118 244 4 0 37956 1 30 2 37 1988 39 102 2 5 3...

Страница 191: ...358 114 237 2 2 489 5 23 234 9 35 95 35 78 75 167 8 084 115 239 2 422 4 24 8 222 8 36 96 8 34 32 76 168 8 7 82 116 240 8 2 357 3 26 6 211 4 37 98 6 32 94 77 170 6 7 566 117 242 6 2 294 2 28 4 200 7 3...

Страница 192: ...nutes Outdoor unit cooling parameters table Ambient temperature T4 o C 20 27 27 33 33 38 38 45 Discharge pressure spot check MPa 2 1 2 3 2 8 3 1 3 3 3 5 3 7 3 9 Pressure of high pressure valve MPa 1 8...

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