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Midea LRSJ-120/NYN1-A1, Technical Manual, Page: 5 / 46

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Summary of Contents for LRSJ-120/NYN1-A1

Page 1: ...Spas Heat Pump Water Heater 50Hz A1 Series Technical Manual Applicable Model New CE safety directive LRSJ 60 NYN1 A1 LRSJ 80 NYN1 A1 LRSJ 120 NYN1 A1 LRSJ 140 NYN1 A1 Midea reserves the right to disc...

Page 2: ...MCAC HTSM 201409 Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual 2 Content Part 1 General information 3 Part 2 Performance 5 Part 3 Installation 25...

Page 3: ...Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual MCAC HTSM 201409 3 Part 1 General information 1 Model Names of Units 4 2 External Appearance 4 3 Nomenclature 4...

Page 4: ...NYN1 A1 220 240V 1Ph 50Hz LRSJ 120 NYN1 A1 220 240V 1Ph 50Hz LRSJ 140 NYN1 A1 220 240V 1Ph 50Hz 2 External Appearance LRSJ 60 NYN1 A1 LRSJ 80 NYN1 A1 LRSJ 120 NYN1 A1 LRSJ 140 NYN1 A1 3 Nomenclature L...

Page 5: ...Technical Manual MCAC HTSM 201409 5 Part 2 Performance 1 Features 6 2 Specifications 7 3 Dimensions Unit mm 10 4 Service Space 11 5 Refrigerant circuit 12 6 Wiring Diagrams 13 7 Electric Characteristi...

Page 6: ...ctly connected with poor Without secondary heat exchanger it is can improve the efficiency of whole system Easy operation and automatic control the system can be controlled simply through the wired co...

Page 7: ...vel dB A 58 58 Refrigerant Type Discharged R410A 1 00kg R410A 1 25kg Refrigerant control Capillary Capillary Fan Type Axial fan Axial fan Motor model YDK85 6 YDK85 6 Motor brand Welling Welling Quanti...

Page 8: ...erature 27 C Water flow volume has been defined Model LRSJ 120 NYN1 A1 LRSJ 140 NYN1 A1 Power supply 220 240V 1Ph 50Hz 220 240V 1Ph 50Hz Outlet water temperature Heating mode Default 28 C 20 C 35 C De...

Page 9: ...V Rated current RLA A 11 40 13 10 Locked rotor Amp LRA A 61 63 Thermal protector Internal Internal Refrigerant oil ml 950 1 100 Water pipe Inlet pipe mm 50 50 Outlet pipe mm 50 50 Water circulation pi...

Page 10: ...H 50Hz Technical Manual 10 3 Dimensions Unit mm Top view Unit mm Model A B C D E F LRSJ 60 NYN1 A1 610 390 170 1 015 385 705 LRSJ 80 NYN1 A1 610 390 170 1 015 385 705 LRSJ 120 NYN1 A1 590 333 165 1 05...

Page 11: ...Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual MCAC HTSM 201409 11 4 Service Space...

Page 12: ...MCAC HTSM 201409 Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual 12 5 Refrigerant circuit...

Page 13: ...Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual MCAC HTSM 201409 13 6 Wiring Diagrams LRSJ 60 NYN1 A1 LRSJ 80 NYN1 A1...

Page 14: ...MCAC HTSM 201409 Midea R410A Domestic Pools Spas HPWH 50Hz Technical Manual 14 LRSJ 120 NYN1 A1 LRSJ 140 NYN1 A1...

Page 15: ...RSJ 140 NYN1 A1 Item Detail N C No need connect Tout Outlet water temperature sensor T3 Heat exchanger temperature sensor T4 Outdoor ambient temperature sensor T6 Inlet water temperature sensor Tp Tem...

Page 16: ...A TOCA Total Over current Amps A MSC Max Starting Amps A RLA Rated Locked Amps A OFM Outdoor Fan Motor kW Fan Motor Rated Output kW FLA Full Load Amps A Model LRSJ 120 NYN1 A1 LRSJ 140 NYN1 A1 Outdoor...

Page 17: ...201409 17 8 Capacity Curve LRSJ 60 NYN1 A1 Heating mode Test condition inlet water temperature of the units is 27 C outlet water temperature is 29 C Relation between heating capacity and outdoor ambi...

Page 18: ...s HPWH 50Hz Technical Manual 18 Cooling mode Test condition inlet water temperature of the units is 27 C water volume is 2 6m3 h Relation between cooling capacity and outdoor ambient temperature Relat...

Page 19: ...anual MCAC HTSM 201409 19 LRSJ 80 NYN1 A1 Test condition inlet water temperature of the units is 27 C outlet water temperature is 29 C Relation between heating capacity and outdoor ambient temperature...

Page 20: ...s HPWH 50Hz Technical Manual 20 Cooling mode Test condition inlet water temperature of the units is 27 C water volume is 3 5m3 h Relation between cooling capacity and outdoor ambient temperature Relat...

Page 21: ...nual MCAC HTSM 201409 21 LRSJ 120 NYN1 A1 Test condition inlet water temperature of the units is 27 C outlet water temperature is 29 C Relation between heating capacity and outdoor ambient temperature...

Page 22: ...s HPWH 50Hz Technical Manual 22 Cooling mode Test condition inlet water temperature of the units is 27 C water volume is 5 0m3 h Relation between cooling capacity and outdoor ambient temperature Relat...

Page 23: ...nual MCAC HTSM 201409 23 LRSJ 140 NYN1 A1 Test condition inlet water temperature of the units is 27 C outlet water temperature is 29 C Relation between heating capacity and outdoor ambient temperature...

Page 24: ...ter temperature of the units is 27 C water volume is 5 8m3 h Relation between cooling capacity and outdoor ambient temperature Relation between EER and outdoor ambient temperature 9 Accessories Name Q...

Page 25: ...l Manual MCAC HTSM 201409 25 Part 3 Installation 1 Safety information 26 2 Unit Installation 28 3 Functions maintenance 34 4 Controller operation 37 5 Trial run 40 6 Fault analysis and solutions 41 7...

Page 26: ...epairing and maintaining the unit Improper installation may result in water leakage electric shock or fire Electric connection work should obey the instructions of local power company local electric u...

Page 27: ...dual operating current not exceeding 30mA and disconnection must be incorporated in the fixed wiring in accordance with the wire rules Arrange the drain pipe to ensure smooth draining Improper drainag...

Page 28: ...t affect neighbors Installing the unit in any of the following places may lead to faults of the unit If that is inevitable please consult the factory The site contains mineral oils such as cutting lub...

Page 29: ...lling site please confirm the main unit is placed in horizontal Choose the appliance installation site according to the following criteria the clearance around the appliance must be respected to avoid...

Page 30: ...mpliance with applicable standards Keep the unit out of reach of children 2 4 Distance of unit ground screws Unit mm Model A B C D E LRSJ 60 NYN1 A1 610 390 170 1 015 385 LRSJ 80 NYN1 A1 610 390 170 1...

Page 31: ...insulation materials should be employed to seal up inlet and outlet water pipes Before operation please confirm that the specifications of connective pipes are correct and thermal insulation layer has...

Page 32: ...e a specialized power supply which voltage must in compliance with the rated voltage Power supply circuit of the unit with earthing wires that must be reliably connected Wiring must be performed by pr...

Page 33: ...an 2 If the continuous wire length valve larger than the one of the table please choose its size in compliance with the relevant rules Model Power supply Min wire size mm 2 Metal pipe synthetic resin...

Page 34: ...ections of low voltage electric signal wire with heavy electric wire otherwise some of electric control elements will burned out The following diagram is electric wiring diagram for the units 3 Functi...

Page 35: ...e When protection device does operate though the unit stops the operating indicator of wired controller still will be blinking When protection device operates nixie indicator will display malfunction...

Page 36: ...has serviced for a period of time Generally once a month it is necessary to press the test button at close circuit to check whether the performance of RCCB is work normally Every time press this butt...

Page 37: ...heating capacity The heating process is a heat pump mode that it absorbs heat from outdoor and release to water Once the outdoor temperature decreases the heating capacity will also decrease simultane...

Page 38: ...n or protection time 6 ALARM indicator It will flash at the malfunction or protection time 4 2 Names of keys on the controller 7 MODE key Used to set different modes 8 UP key Used to add time or tempe...

Page 39: ...hen the swimming temperature is high in summer Heat mode The unit heats swimming pool water by compressor driving according to heat pump principle Used when the ambient temperature is low Pump mode Th...

Page 40: ...compulsory operation It is very dangerous if the protection device is not active Trial run is stop performed only after all installation is finished Confirm the following insure before operation The w...

Page 41: ...f hiss every now and then At the beginning and the end of the defrost process sound is given out in motor valve During the process or just after having stopped sound like water flow occur which will b...

Page 42: ...Remarks 1st Normal display Inlet water temperature Value of T6 2nd Mode code 0 6KW 1 8KW 2 11 7KW 3 13 6KW 3rd Operate mode 1 Water cooling 16 Water heating 4 Pump 8 standby 4th Fan speed 0 Off 1 Low...

Page 43: ...ged Check whether the T6 temperature sensor is correctly connected to the motherboard Check whether the signal of T6 sensor is in strong electromagnetic interference E5 Evaporator pipe temperature sen...

Page 44: ...load protection Check whether the dial code S2 is correct Check whether the voltage supplied is in the accepted voltage range Check whether compressor is damaged Check whether the refrigerant pipes i...

Page 45: ...34 6 68355 74 1 43498 114 0 42304 5 46 5725 35 6 40021 75 1 38703 115 0 41164 4 44 36 6 13059 76 1 34105 116 0 4006 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 3...

Page 46: ...2 2 63 7 261 4 33 38 89 73 8 643 113 2 559 6 247 8 34 37 3 74 8 358 114 2 489 5 234 9 35 35 78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 6...

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