AERMEC NRL 080 Technical Manual
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AERMEC NRL 080 Technical Manual

Chiller reversible heat pump
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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
EN
INRLFTY. 14_09.4086981_04

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Summary of Contents for AERMEC NRL 080

  • Page 1 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...
  • Page 3 AERMEC S.p.A AERMEC S.p.A. reserves the right at all times to make any modification for the improvement of its product and is not obliged to add these modification to machines of previous manufacture that have already been delivered or are being built.

  • Page 4: Table Of Contents

    14.5. HOW TO INTERPRET GLYCOL CURVES ......... 23 EXPANSION TANK CALIBRATION ..........24 MINIMUM WATER CONTENT ............24 PART LOAD ..................25 SOUND DATA .................. 26 CONTROL AND SAFETY PARAMETERS CALIBRATION ....26 20.1. THERMOMAGNETIC ..............27 Aermec cod. 14_09.4086981_04...
  • Page 5 NRL 800-1800 60Hz Aermec cod. 14_09.4086981_04...

  • Page 6: Components And Configurations

    THERMOSTATIC V ALVE X - Y ( CONFIGURATION O PTION) EXCHANGER PLATE (EVAPORATOR) EXCHANGER PLATE (TOTAL RECOVERY) EXCHANGER PLATE (DESUPERHEATER) AIR SIDE EXCHANGE COMPRESSOR DEHYDRATOR FILTER HIGH PRESSURE SWITCH HIGH PRESSURE TRANSDUCER LOW PRESSURE TRANSDUCER LIQUID INDICATOR LIQUID TANK ONE-WAY VALVES LIQUID SEPARATOR CYCLE REVERSE VALVE Aermec cod. 14_09.4086981_04...

  • Page 7: Configurator

    Single high head pump Single high head pump and reserve pump Configurations NOT permitted: YD / YT / YH HT / HC CT / CD T01 / T02 / T03 / T04 "I" ventilation mandatory for Desuperheater "D" option Aermec cod. 14_09.4086981_04...

  • Page 8: Cooling Cirquit

    F FILTER DRIER F: FILTRO DEIDRATATORE HPS HIGH PRESSURE SWITCH HPS: PRESSOSTATO DI ALTA PRESSIONE HPT HIGH PRESSURE TRANSDUCERS HPT: TRASDUTTORE ALTA PRESSIONE IDL: INDICATORE DI LIQUIDO IDL LIQUID INDICATOR LPT: TRASDUTTORE BASSA PRESSIONE LPT LOW PRESSURE TRANSDUCER Aermec cod. 14_09.4086981_04...

  • Page 9: Cooling Cirquit Nrl Heat Pump

    PLATE HEAT EXCHANGER LPT: TRASDUTTORE BASSA PRESSIONE LS: SEPARATORE DI LIQUIDO AIR SIDE EXCHANGE VIC: VALVOLA INVERSIONE CICLO COMPRESSOR ONE-WAY VALVES FILTER DRIER HIGH PRESSURE SWITCH HIGH PRESSURE TRANSDUCERS LIQUID INDICATOR LOW PRESSURE TRANSDUCERS LIQUID SEPARATOR REVERSE CYCLE VALVE Aermec cod. 14_09.4086981_04...

  • Page 10: Description Of Components

    - evaporator pump and recovery pump control ned at the evaporator inlet, modulates the flow of gas consent relay to the evaporator, according to the heat load, in order - all numbered cables. to ensure a correct heating level of the intake gas. Aermec cod. 14_09.4086981_04...
  • Page 11 − alarms display Set settings • a) without password: cold set; total differential; • b) with password: antifreeze set; time exclusion low pressure; display language; access code. For more information refer to the user manual. Aermec cod. 14_09.4086981_04...

  • Page 12: Accessories

    • VT: Group of anti-vibration, to be installed under the AERWEB300-6G: Web server to monitor and remote con- off, and command, two chillers (using Aermec GR3 com- trol max. 6 units in RS485 network with integrated GPRS mand) in a single system, as if they were a single unit.

  • Page 13: Technical Data Vers. A - High Efficiency

    50°C External temperature 35°C / 95°F Load 100% air 35°C /95°F External air temperature 7°C b.s / 6°C b.u. Load 75% air 26.7°C/80.06°F Load 50% air 18.3°C /64.94°F DATA REFERED NO PUMP VERSION Load 25% air 12.8°C/55.04°F Aermec cod. 14_09.4086981_04...
  • Page 14 Sound pressure Alls db(A) Sound power Alls db(A) CHARGE (The data reported can be changed at any time if deemed necessary from Aermec) Kg/lbs C1 28,0 / 61,63 29,3 / 64,60 34,8 / 76,72 55,0 / 121,25 55,3 / 121,92...

  • Page 15: Techinical Data Vers. "Ha" High Efficiency

    Inlet water temperature 40°C / 104°F External temperature 35°C / 95°F Load 75% air 26.7°C/80.06°F Outlet water temperature 45°C / 113°F Load 50% air 18.3°C /64.94°F External air temperature 7°C b.s / 6°C b.u. Load 25% air 12.8°C/55.04°F Aermec cod. 14_09.4086981_04...

  • Page 16: Technical Data Vers. "Ha" High Efficiency

    SOUND DATA Sound pressure Alls db(A) Sound power Alls db(A) CHARGE (The data reported can be changed at any time if deemed necessary from Aermec) Kg/lbs C1 54,7 / 120,59 55,1 / 121,47 55,7 / 122,80 81,9/180,56 81,9/180,56 85,0 / 187,39...
  • Page 17 260,7 303,1 328,3 347,7 348,7 Recom FUSE 283,5 336,3 345,5 442,6 494,9 520,1 543,2 534,5 137,4 149,4 158,6 223,0 253,0 278,2 301,3 314,9 MODELS WITH HIGH PUMP 163,7 179,8 189,1 264,9 307,5 332,7 355,8 356,8 Recom FUSE Aermec cod. 14_09.4086981_04...
  • Page 18 214,9 263,6 292,9 300,5 287,7 Recom FUSE 230,0 280,9 283,4 378,1 395,1 424,3 434,9 454,0 127,6 131,7 134,2 183,5 217,8 247,0 257,6 259,4 MODELS WITH HIGH PUMP 151,3 156,3 158,8 218,2 267,2 296,4 306,9 294,2 Recom FUSE Aermec cod. 14_09.4086981_04...

  • Page 19: Operationg Limits

    46°C/114.8°F and water inlet up to temperature. To reduce the time of this operation limits are achieved. 35°C/95°F. In winter mode the unit can be operation, it is recommended to install a three- started with external air -15°C/5°F and water way valve that allows bypassing water from the inlet 10°C/50°F. Operate in such conditions is system utilities, until the conditions permitted Aermec cod. 14_09.4086981_04...

  • Page 20: Corrective Factors

    Tab. 10.3.1. to obtain the correction factors of the cooling capacity and input power. In order to consider exchanger dirtying, use the relative dirtying factors Tab.10.4.1. °C 21.2 28.4 39.2 35.6 39.2 42.8 44.1 46.4 53.6 57.2 60.8 64.4 °F Aermec cod. 14_09.4086981_04...

  • Page 21: Heating Capacity And Input Power

    FOULING FACTOR [K*M2]/[KW] 0,018 0,05 clean tubes with deposit factor=1. Cooling capacity correction factors 0,987 0,967 For different deposit factor values, multiply Input power correction factors 0,987 0,967 the data in the performance tables by the co- efficients given. Aermec cod. 14_09.4086981_04...
  • Page 22 NRL 1500 NRL 1650 NRL 1500 NRL 1800 NRL 1650 NRL 1800 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000 Water flow rate Average water temperature°C Average water temperature °F Multiplicative co-efficients 1.04 1.02 0.98 0.96 Aermec cod. 14_09.4086981_04...
  • Page 23 NRL 1650 TA Shows the corrections to apply to pressure drops NRL 1650 NRL 1800 TA on variation of the average water temperature. NRL 1800 20000 40000 60000 80000 100000 120000 140000 160000 180000 750 793 Water flow rate Aermec cod. 14_09.4086981_04...

  • Page 24: Pressure Drop

    For temperatures other than 50°F / 10°C to use the 1400 1500 1650 table of correction factors. 1800 Average water temperature (°F / °C) 73,4/23 82,4/ 28 91,4/33 100,4/38 109,4/43 118,4/48 127,4/53 136,4/58 Water flow Coefficients 1,04 1,03 1,02 1,01 1,00 0,99 0,98 0,97 Aermec cod. 14_09.4086981_04...

  • Page 25: Useful Heads

    16.1. HEAT HIGH PUMP USEFUL HEADS NRL 800 - 1800 / 230V - 460V Alta prevalenza (230V/460V) Alimentazione 230-460 /3/60 POMPA DI CALORE 58.02 50.76 43.51 36.25 29.00 21.75 14.50 7.25 20000 40000 60000 80000 100000 120000 Water Flow Rate Water flow rate Aermec cod. 14_09.4086981_04...

  • Page 26: Only Cooling Low Pump Useful Heads Nrl 800 - 1800 / 230V - 460V

    16.3. HEAT LOW PUMP USEFUL HEADS NRL 800 - 1800 / 230V - 460V Bassa prevalenza (230V/460V) Alimentazione 230-460 /3/60 POMPA DI CALORE 36.25 29.00 21.75 14.50 7.25 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 Water Flow Rate Water flow rate Aermec cod. 14_09.4086981_04...
  • Page 27 1,077 1,111 1,153 1,202 1,258 1,321 1,390 1,467 Average water temperature =42,5 °C Qwc: Correcti ve factor of fl ow rates (middle water temperatur 9,5°C) Qwh: Correcti ve factor of fl ow rates (middle water temperatur 42,5°C) Pc: Correcti ve factor of cooling capacity Ph: Correcti ve factor of heati ng capacity Pa: Correcti ve factor of imput power Dp: Correcti ve factor of pressure drop Aermec cod. 14_09.4086981_04...

  • Page 28: Expansion Tank Calibration

    It is recommended to design systems with high water content (minimum recommended values shown in table), to limit: 1. 1. The hourly number of inversions between functioning modes. 2. 2. Decrease in water temperature during winter defrost cycles. Aermec cod. 14_09.4086981_04...

  • Page 29: Part Load

    0,043l/s per kW External temperature 35°C / 95°F LEVELS OF POWER COOLING CAPACITY % 1º 2º 3º 4º 5º 6º NRL 080 NRL 090 NRL 100 NRL 125 NRL 140 NRL 150 NRL 165 NRL 180 POWER INPUT % 1º 2º...

  • Page 30: Sound Data

    Pot. dB (A)] dB (A)] Sound power dB (A)] Sound power by central band frequency [dB (A)] 10 m Aermec determines the sound power value COOLING MODE on the basis of measurements taken in accor- 81,6 77,9 81,3 82,0 79,7...

  • Page 31: Thermomagnetic

    8 x 4,2 A PC HIGH PUMP CP2-CP2A-CP2B 51,5 A 19,5 A LOW PUMP CP1-CP1A-CP1B 41,7 A 7,7 A 8 x 3,7 A SF 575V 8 x 3,7 A PC HIGH PUMP CP2-CP2A-CP2B 41,7 A 15,4 A Aermec cod. 14_09.4086981_04...
  • Page 32 - info@aermec.com recycled paper papier recyclé recycled Papier I dati tecnici riportati sulla seguente documentazione non sono impegnativi. Aermec si riserva la facoltà di apportare in qualsiasi momento tutte le modifiche ritenute necessarie per il miglioramento del prodotto.

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