AERMEC NRL 080 Technical Manual Download Page 1

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60Hz

Technical manual

NRL 080-180

CHILLER

REVERSIBLE HEAT PUMP

• EXTERNAL UNIT

• HIGH EFFICENCY

• HOT WATER PRODUCING UP TO 131°F / 55°C

• POWER SUPPLY 60Hz

INRLFTY. 14_09.4086981_04

Summary of Contents for NRL 080

Page 1: ...EN 60Hz Technical manual NRL 080 180 CHILLER REVERSIBLE HEAT PUMP EXTERNAL UNIT HIGH EFFICENCY HOT WATER PRODUCING UP TO 131 F 55 C POWER SUPPLY 60Hz INRLFTY 14_09 4086981_04 ...

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Page 3: ...rience and special design studies and has been made of the highest grade materials and with cutting edge technology In addition all our products bear the EC mark indicating that they meet the requirements of the European Machine Directive regarding safety The standard of quality is permanently being monitored and AERMEC products are therefore a synonym for Safety Quality and Reliability The data m...

Page 4: ... COOLING MODE GRAPH 17 11 2 OPERATIONG LIMITS IN HOT MODE GRAPH 17 11 3 PROJECT DATA 17 12 CORRECTIVE FACTORS 18 12 1 INPUT POWER AND COOLING CAPACITY H 18 12 2 HEATING CAPACITY AND INPUT POWER 19 12 3 FOR T DIFFERENT TO THE NOMINAL 19 12 4 DEPOSIT FACTORS 19 13 PRESSURE DROP 20 13 1 SYSTEM SIDE TOTAL PRESSURE DROP ONLY COOLING VERSION 20 13 2 SYSTEM SIDE TOTAL PRESSURE DROP HEAT PUMP IN COOLING M...

Page 5: ...5 Aermec cod 14_09 4086981_04 NRL 800 1800 60Hz EN ...

Page 6: ...mestic hot water DHW in medium to small commercial or residential buildings Maximum reliability The presence of several scroll compressors allows NRL chillers various partialisations of the cooling capacity Models 1 NRL standard chiller 2 NRL H heat pump 3 NRL C motocondensing The versions can be in different set ups at the same time in order to satisfy a wide range of plant enginee ring solutions...

Page 7: ...ls Alluminium R Copper S Copper tin plated V Epoxy coated 13 Fans Standard not available for 208V power supply I Fan speed modulating for condensation control mandatory for 208V power supply 14 Power supply 6 230V 10 3 60Hz with thermomagnetic switches data on demand for size 090 to 180 7 460V 10 3 60Hz with thermomagnetic switches 8 575V 10 3 60Hz with thermomagnetic switches 9 208V 5 3 60Hz with...

Page 8: ...ALETTATA CP COMPRESSORE F FILTRO DEIDRATATORE HPS PRESSOSTATO DI ALTA PRESSIONE HPT TRASDUTTORE ALTA PRESSIONE IDL INDICATORE DI LIQUIDO LPT TRASDUTTORE BASSA PRESSIONE KEY BHE PLATE HEAT EXCHANGER CN AIR SIDE EXSCHANGE CP COMPRESSOR F FILTER DRIER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCERS IDL LIQUID INDICATOR LPT LOW PRESSURE TRANSDUCER 4 1 NRL ONLY COOLING ...

Page 9: ...RASDUTTORE BASSA PRESSIONE LS SEPARATORE DI LIQUIDO VIC VALVOLA INVERSIONE CICLO HPT HPS LS VIC VIC LS HPS LPT LPT HPT BHE IDL IDL CP CN CV CV CV CV CV CN TEV TEV F AL F CV CV AL CP CV KEY AL FLUID STORAGE TANK BHE PLATE HEAT EXCHANGER CN AIR SIDE EXCHANGE CP COMPRESSOR CV ONE WAY VALVES F FILTER DRIER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCERS IDL LIQUID INDICATOR LPT LOW PRESSURE TRA...

Page 10: ...pheric agents over time VENTILATION UNIT Axial fan balanced statically and dynamically The elec tric fans are protected electrically by magnet circuit breakers and mechanically by anti intrusion metal grids according to the IEC EN 60335 2 40 Standard 5 3 HYDRAULIC CIRCUIT STANDARD COM PONENTS WATER FILTER SUPPLIED Equipped with steel filtering mesh prevents the heat exchangers from clogging FLOW S...

Page 11: ...tment of evaporator inlet water temperature with thermostatic control up to 6 steps and proportional control over the speed of the fans with DCPX accessory compressor start up delay rotation sequence compressors compressor operating hours count start stop reset permanent memory of alarms autostart after power failure multilingual messaging working with local or remote control accessory PGD1 Machin...

Page 12: ... units in RS485 network with integrated GPRS modem AERWEB300 18G Web server to monitor and remote control max 18 units in RS485 network with integrated GPRS modem AER485P1 RS 485 interface for supervising systems with MODBUS protocol PGD1 Simplified remote panel Allows control of basic unit functions and alarm notification Remote mounted up to 500 m away with TWISTED PAIR SCREENED cable and TCONN6...

Page 13: ...lls gpm 49 91 58 31 67 4 87 32 95 27 102 99 112 23 121 47 Pressure drop Alls psi 0 87 1 16 1 16 1 74 2 03 1 89 2 32 2 47 Q ty Alls nr 2 2 2 2 2 2 2 2 Defrost electric heater Alls nr W 2 40 2 40 2 40 2 40 2 40 2 40 2 40 2 40 Water content Alls l 1 9 1 9 1 9 2 3 2 3 2 3 2 6 2 6 2 6 3 3 3 3 3 3 3 3 3 8 3 8 3 8 Water connections Alls inch 2 2 2 2 2 2 2 2 Total input current 1 230V A 206 8 460V A 105 6...

Page 14: ...6 74 6 74 9 19 9 19 13 35 13 35 SAFETY VALVE Safety valve calibration Alls psi 87 87 87 87 87 87 87 87 FAN MOTORS Quantity n 4 4 4 8 8 8 8 8 Air flow CFM 48616 47908 47672 96288 94636 92984 92984 92984 Fan input current 230V A 26 0 460V A 15 2 15 2 15 2 30 4 30 4 30 4 30 4 30 4 575V A 13 28 13 28 13 28 26 56 26 56 26 56 26 56 26 56 Fan power input 230V kW 8 0 8 0 8 0 16 0 16 0 16 0 16 0 16 0 460V ...

Page 15: ... 27 34 29 Useful head with LOW PUMP 575V psi 19 17 14 12 17 14 12 7 Useful head with HIGH PUMP 575V psi 32 33 30 26 31 27 34 29 ENERGY INDICES EER Alls BTU Watt 9 91 9 77 9 77 9 83 9 75 9 71 8 94 8 51 COP Alls Watt Watt 2 95 2 95 2 89 2 81 2 80 2 86 2 84 2 87 IPLV Alls BTU Watt 13 93 13 66 13 90 13 93 13 73 13 52 13 25 12 84 PROTECTION RATING IP Alls 24 24 24 24 24 24 24 24 DESUPERHEATER Heating p...

Page 16: ... A 39 0 460V A 22 8 22 8 22 8 30 4 30 4 30 4 30 4 30 4 575V A 19 92 19 92 19 92 26 56 26 56 26 56 26 6 26 6 Fan power input 230V kW 12 0 460V kW 12 0 12 0 16 0 16 0 16 0 16 0 16 0 575V kW 13 08 13 08 13 08 17 44 17 44 17 44 17 4 17 4 SOUND DATA Sound pressure Alls db A 57 60 61 62 63 64 64 64 Sound power Alls db A 89 92 93 94 95 96 96 96 CHARGE The data reported can be changed at any time if deeme...

Page 17: ... 9 562 4 592 9 MOP A 322 8 381 7 418 0 507 6 586 8 635 5 672 0 678 1 Recom FUSE A 300 350 400 500 500 600 600 600 MODELS WITH LOW PUMP LRA A 547 3 730 4 766 7 930 8 982 7 1001 0 1073 1 1109 7 MCA A 277 0 317 8 354 1 432 3 490 3 539 1 580 8 611 3 MOP calc A 332 8 391 7 428 0 517 6 600 0 648 7 690 4 696 5 Recom FUSE A 300 350 400 500 600 600 600 600 MODELS WITH HIGH PUMP LRA A 550 5 738 8 775 1 939 ...

Page 18: ...62 4 592 9 MOP HA 337 8 396 7 433 0 507 6 586 8 635 5 672 0 678 1 Recom FUSE HA 300 350 400 500 500 600 600 600 MODELS WITH LOW PUMP LRA HA 562 3 745 4 781 7 930 8 982 7 1001 0 1073 1 1109 7 MCA HA 292 0 332 8 369 1 432 3 490 3 539 1 580 8 611 3 MOP calc HA 347 8 406 7 443 0 517 6 600 0 648 7 690 4 696 5 Recom FUSE HA 300 400 400 500 600 600 600 600 MODELS WITH HIGH PUMP LRA HA 565 5 753 8 790 1 9...

Page 19: ...dy areas to prevent a malfunction of the unit REFRIGERANT SIDE High pressure side Low pressure side Acceptable maximum pressure bar PSI 45 653 30 435 Acceptable maximum temperature C F 120 248 51 131 Acceptable minimum temperature C F 30 22 30 22 WATER SIDE Acceptable maximum pressure bar PSI 6 87 Hydarulic circuit safety valve only in version with storage tank or with pump Calibrated at 6 87 bar ...

Page 20: ... CORRECTIVE FACTORS 12 1 INPUT POWER AND COOLING CAPA CITY STANDARD VERSION HEAT PUMP VERSION IN COOLING MODE The cooling capacity efficiency and electrical input power in conditions differing from normal conditions are obtained by multiplying the nominal values Pf Pa by the respective corrective co efficients Cf Ca The following diagrams show how to obtain corrective coefficients to use for units...

Page 21: ...irtying factors Tab 10 4 1 12 3 FOR T DIFFERENT TO THE NOMINAL The performances given by the technical data refer to AHRI standard conditions flow rate 0 043l s per kW Δt 10 01 F 5 56 C Use table to obtain the corrective factors of the cooling capacity and input power different than Δt 10 01 F 5 56 C ΔT DIFFFERENT FROM THE RATED VALUE ΔT 5 C_10 01 F 3 C 5 40 F 5 56 C 10 01 F 8 C 14 40 F 10 C 18 F ...

Page 22: ...tiply the result by the corrective factor Nominal value referring to Air temperature 35 C 95 F Water at the desuperheater 45 50 C 113 122 F t 5 C 41 F Units with Desuperheater D do not envision the following versions YD XD only for temperature under 4 C 39 2 F 45 C 40 C 35 C 30 C 25 C 0 00 35 40 45 50 55 60 65 0 50 1 00 1 50 2 00 2 50 3 00 20 C 68 F 95 100 105 110 115 120 125 130 135 140 145 149 1...

Page 23: ...04 F 45 C 113 F 50 C 122 F 55 C 131 F 5 0 9 1 0 1 1 1 2 1 3 1 4 1 5 6 7 8 9 10 11 12 13 14 15 16 17 18 C 64 4 F 41 41 43 45 47 49 51 53 55 57 59 61 63 Temperature of the water produced RECOVERED HEATING CAPACITY CORRECTIVE CO EFFICIENTS Cr 35 C 95 F 40 C 104 F 45 C 113 F 50 C 122 F 55 C 131 F 5 0 7 0 8 0 9 1 0 1 1 1 2 6 7 8 9 10 11 12 13 14 15 16 17 18 64 4 F C 41 41 43 45 47 49 51 53 55 57 59 61 ...

Page 24: ...0 0 1 2 5 0 1 4 0 0 1 5 0 0 1 6 5 0 1 8 0 0 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 SOLO FREDDO NRL A l h PSI kPa g m 0 44 88 132 176 220 264 308 352 396 440 484 528 0 7 15 22 29 800 900 1000 1250 1400 1500 1650 1800 8 0 0 9 0 0 1 0 0 0 1 2 5 0 1 4 0 0 1 5 0 0 1 6 5 0 1 8 0 0 0 50 100 150 200 POMPA DI CALORE FUNZ A FREDDO NRL HA PSI kPa 0 10000 20000 30000 4000...

Page 25: ...2 440 528 0 0 7 25 14 50 21 75 29 00 36 25 43 51 50 76 58 02 kPa psi l h Water Flow Rate Useful head Alta prevalenza 230V 460V Alimentazione 230 460 3 60 POMPA DI CALORE 0 50 100 150 200 250 300 350 400 0 20000 40000 60000 80000 100000 120000 800 900 1000 1250 1400 1500 1650 1800 kPa 0 7 25 14 50 21 75 29 00 36 25 43 51 50 76 58 02 psi g m l h 88 176 264 352 440 528 0 Water Flow Rate Useful head 1...

Page 26: ...0 1250 1400 1500 1650 1800 0 Water Flow Rate psi Useful head Useful head Water flow rate Bassa prevalenza 230V 460V Alimentazione 230 460 3 60 POMPA DI CALORE 0 50 100 150 200 250 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 g m 44 88 132 176 220 264 308 352 396 440 0 Water Flow Rate Useful head l h 0 7 25 14 50 21 75 29 00 36 25 800 900 1000 1250 1400 1500 1650 1800 kPa psi 16 3...

Page 27: ... 505 1 609 1 728 Average water temperature 9 5 C CORRECTION FACTOR WITH PROPYLENIC GLYCOL Freezing Point C 0 Percent propylenic glycol 0 10 15 20 25 30 35 40 45 50 Qwc 1 000 1 007 1 006 1 007 1 010 1 015 1 022 1 032 1 044 1 058 Pc 1 000 0 985 0 978 0 970 0 963 0 955 0 947 0 939 0 932 0 924 Pa 1 000 0 996 0 994 0 992 0 990 0 988 0 986 0 984 0 982 0 980 Dp 1 000 1 082 1 102 1 143 1 201 1 271 1 351 1...

Page 28: ... formula p calibration bar H m 10 2 0 3 For example if the level difference H is 20m the calibration value of the tank will be 2 3 bar If the calibration value obtained from the calculation is lower than 1 5 bar i e for H 12 25 maintain the standard calibration 19 EXPANSION TANK CALIBRATION ATTENTION It is recommended to design systems with high water content minimum recommended values shown in ta...

Page 29: ...79 100 HEATING CAPACITY 1º 2º 3º 4º 5º 6º NRL 080 25 49 75 100 NRL 090 27 52 77 100 NRL 100 25 49 75 100 NRL 125 25 49 75 100 NRL 140 27 52 77 100 NRL 150 25 49 75 100 NRL 165 22 43 62 81 100 NRL 180 16 33 48 65 83 100 POWER INPUT 1º 2º 3º 4º 5º 6º NRL 080 21 44 71 100 NRL 090 23 47 73 100 NRL 100 21 44 71 100 NRL 125 21 44 71 100 NRL 140 23 47 73 100 NRL 150 21 44 71 100 NRL 165 20 37 56 79 100 N...

Page 30: ... 4 71 4 73 8 75 5 70 2 66 0 57 9 090 HE 86 54 66 83 4 74 4 76 8 78 5 73 2 69 0 60 9 100 HE 88 56 68 83 9 78 1 79 4 78 2 78 5 74 3 68 3 125 HE 89 57 69 82 4 82 4 80 3 82 5 81 2 74 0 63 9 140 HE 90 58 70 85 9 78 4 81 3 83 5 78 2 69 0 60 9 150 HE 90 58 70 87 9 78 4 80 8 81 0 78 2 69 0 60 9 165 HE 90 58 70 86 9 79 4 80 3 84 0 82 2 72 0 64 9 180 HE 90 58 70 85 9 80 9 80 6 85 0 81 7 72 0 64 3 Sound powe...

Page 31: ...A PC HIGH PUMP CP2 CP2A 51 5 A 9 7 A 575V LOW PUMP CP1 CP1A 41 7 A 4 6 A 8 x 3 7 A SF 8 x 3 7 A PC HIGH PUMP CP2 CP2A 41 7 A 7 7 A NRL 1404 208V LOW PUMP CP1 CP1A 104 A 14 5 A 8 x 7 2 A SF 8 x 7 2 A PC HIGH PUMP CP2 CP2A CP2B 82 5 A 26 5 A 460V LOW PUMP CP1 CP1A 51 5 A 7 2 A 8 x 4 2 A SF 8 x 4 2 A PC HIGH PUMP CP2 CP2A CP2B 40 5 A 13 2 A 575V LOW PUMP CP1 CP1A 41 7 A 5 8 A 8 x 3 7 A SF 8 x 3 7 A P...

Page 32: ...acoltà di apportare in qualsiasi momento tutte le modifiche ritenute necessarie per il miglioramento del prodotto AERMEC S p A 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Telefax 39 0442 93577 www aermec com info aermec com carta riciclata recycled paper papier recyclé recycled Papier ...

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