AERMEC NRK 0200 Technical Manual
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AERMEC NRK 0200 Technical Manual

Outdoor unit
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REVERSIBLE HEAT PUMPS HIGH EFFICENCY
•
OUTDOOR UNIT
•
HIGH EFFICIENCY
•
PRODUCTION OF HOT WATER UP TO 65°C
Technical Manual
Aermec
partecipa al Programma
EUROVENT: LCP
I prodotti interessati figurano sul sito
www.eurovent-certification.com
NRK 0200-0700
EN
5167556_03 17.10

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Summary of Contents for AERMEC NRK 0200

  • Page 1 Technical Manual NRK 0200-0700 • REVERSIBLE HEAT PUMPS HIGH EFFICENCY • OUTDOOR UNIT • HIGH EFFICIENCY • PRODUCTION OF HOT WATER UP TO 65°C Aermec partecipa al Programma 5167556_03 17.10 EUROVENT: LCP I prodotti interessati figurano sul sito www.eurovent-certification.com...
  • Page 2 NRK 0200-0700 Aermec cod. 5167556_03 17.09...
  • Page 3 NRK 0200-0700 Dear Customer, Thank you for choosing an AERMEC product. This product is the result of many years of experience and in- depth engineering research, and it is built using top quality materials and advanced technologies. In addition, the applied mark guarantees that our appliances fully comply with the safety requirements defined by the applicable product’s rules.

  • Page 4: Table Of Contents

    Outputs And Inputs Different Than The Rated Values With (Δt 5°C) ........... 22 Total Pressure Drops ......................... 28 Useful Static Pressures ........................30 Expansion Vessel Calibration ......................33 Minimum Water Content ........................33 Glicole .............................. 34 Dati Sonori ............................35 Calibrations Of Safety And Control Parameters ................. 36 Aermec cod. 5167556_03 17.09...
  • Page 5 La persona facultada para elaborar el expediente técnico es Luca Martin. El producto, conforme a la directiva 2014/68/UE, cumple con el procedimiento de Garantía de calidad total (módulo H) con certificado n. 06/270-QT3664 Rev. 10 emitido por el organismo autorizado n. 1131 CEC via Pisacane 46 Legnano (MI) - Italia. Bevilacqua (VR) Commercial Director Luigi Zucchi Aermec cod. 5167556_03 17.09...

  • Page 6: Description Of The Unit

    Since the speed of the fans is electronically controlled, it will be automatically increased to keep ensuring good unit operation in the event of critical ambient conditions. Aermec cod. 5167556_03 17.09...

  • Page 7: Unit Configurator

    (5) The buffer tank with holes and supplementary electric heaters leave the factory with plastic protection caps. Before loading the system, if the installation of an electric heater is not envisaged it is compulsory to replace the plastic caps Aermec cod. 5167556_03 17.09...

  • Page 8: Ceck List

    Air vent valve Automatic air vent valve • Charger plant Probe inlet water temperature Probe outlet water temperature Buffer tank n° 1 pump n° 2 pumps (n°1 on, n°1 stand-by) no-return valves Expansion vessel Discharge valve • Aermec cod. 5167556_03 17.09...
  • Page 9 • • Condensation pressure controller (DCPX) • • • • • • • not available • standard (1) For the availability of the larger fans and inverters (depending on the size), please refer to the configurator Aermec cod. 5167556_03 17.09...

  • Page 10: Operational Principle Diagrams

    Functioning VT Thermostatic valve System side (CONDENSATION) VSB Solenoid valve by-pass HEAT EXCHANGER Hot water production LPT Low pressure trasducer Source side (EVAPORATION) LS Liquid separator HEAT EXCHANGER Heat exchange with air VIC Cycle reversing valve Aermec cod. 5167556_03 17.09...
  • Page 11 ECO Economizer Solenoyd valve Thermostatic valve Description Functioning VSB Solenoid valve by-pass System side (CONDENSATION) Low pressure trasducer HEAT EXCHANGER Hot water production Liquid separator Source side (EVAPORATION) Cycle reversing valve HEAT EXCHANGER Heat exchange with air Aermec cod. 5167556_03 17.09...
  • Page 12 Description Functioning VSB Solenoid valve by-pass System side (CONDENSATION) VSI Hot gas injection solenoid valves HEAT EXCHANGER Hot water production LS Liquid separator Source side (EVAPORATION) VIC Cycle reversing valve HEAT EXCHANGER Heat exchange with air Aermec cod. 5167556_03 17.09...
  • Page 13 Solenoyd valve Thermostatic valve VSB Solenoid valve by-pass Description Functioning System side (CONDENSATION) Hot gas injection solenoid valves HEAT EXCHANGER Hot water production Liquid separator Source side (EVAPORATION) Cycle reversing valve HEAT EXCHANGER Heat exchange with air Aermec cod. 5167556_03 17.09...
  • Page 14 Hot water production VU One-way valve FD Dehydrator filter IDL Liquid indicator VIE Economiser electronic thermostatic valve ECO Economizer VSL Solenoyd valve VT Thermostatic valve VSB Solenoid valve by-pass LS Liquid separator VIC Cycle reversing valve Aermec cod. 5167556_03 17.09...
  • Page 15 HEAT EXCHANGER Hot water production One-way valve Dehydrator filter Liquid indicator Economiser electronic thermostatic valve ECO Economizer Solenoyd valve TEV Thermostatic valve VSB Solenoid valve by-pass Hot gas injection solenoid valves Liquid separator Cycle reversing valve Aermec cod. 5167556_03 17.09...

  • Page 16: Description Of Components

    Supplied as per standard with 300W electric anti-freeze resistance (as low as -20°C outside temperature - 5°C tank water temperature) controlled by anti-freeze probe NON-RETURN VALVES inserted in tank. Allows one-way flow of the refrigerant. 5.4. SAFETY AND CONTROL COMPONENTS THERMOSTATIC VALVES Aermec cod. 5167556_03 17.09...

  • Page 17: Electric Control And Power Board

    • The unit can be supervised with... • A dedicated keyboard for wall mounting (PGD1 accessory), which allows remote control of all functions. • NB: For further information refer to the user manual. Aermec cod. 5167556_03 17.09...

  • Page 18: Accessories

    2(x2) 2(x2) 2(x2) 2(x2) 2(x3) 2(x3) VT (-P1-P2-P3-P4) VT (01-02-03-04-05-06-07-08-09-10) Accessories factory fitted only PRM1 • • • • • • • • • • (1) (x2)(x3) the number in brackets indicates the quantity to order Aermec cod. 5167556_03 17.09...

  • Page 19: Technical Data

    Cooling with desuperheater Evaporator water temperature (in/out) 12°C/7°C; External air temperature 35°C; Desuperheater water temperature (in/out) 40°C/45°C (1) The data is comprehensive (take into account both circuits) (2) Unit standard versions without hydronic module integrated - not supply Aermec cod. 5167556_03 17.09...
  • Page 20 (4) Cooling mode – The ‘HE’ version is low noise with temperature 12/7°C -35°C Heating mode – The ‘HE’ version is low noise witth temperature > 25° Sound power Aermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Eurovent certification. Sound pressure Sound pressure in free field, at 10 m distance from the external surface of the unit (in accordance with UNI EN ISO 3744 Nota: Per maggiori informazioni fare riferimento al programma di selezione Magellano o alla documentazione tecnica disponibile sul sito www.aermec.com...

  • Page 21: Operational Limits

    To shorten this operation, it is recommended to install a three-way valve which makes it possible to bypass the water from the utilities to the plant, until achieving conditions which allow the unit to work within the allowed operating 45°C limits. External air temperature d.b.°C Aermec cod. 5167556_03 17.09...

  • Page 22: Cooling Mode

    ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C The size NRK0200HA÷0330HA only available in low noise version "HE" Cooling capacity correction factors 0,99 1,02 1,03 Input power correction factors 0,99 1,01 1,02 Aermec cod. 5167556_03 17.09...
  • Page 23 ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C Heating capacity correction factors 0,99 1,01 1,02 The size NRK0200HA÷0330HA only available in low noise version "HE" Input power correction factors 1,01 0,98 0,96 Aermec cod. 5167556_03 17.09...
  • Page 24 Input power TWP °C Leaving water temperature CONDENSER °C (Δt 5°C) ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C Heating capacity correction factors 0,99 1,01 1,02 Functionemet with DCPX Input power correction factors 1,01 0,98 0,96 Aermec cod. 5167556_03 17.09...
  • Page 25 ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C The size NRK0200HA÷0330HA only available in low noise version "HE" Cooling capacity correction factors 0,99 1,02 1,03 Input power correction factors 0,99 1,01 1,02 Aermec cod. 5167556_03 17.09...
  • Page 26 Input power correction factors 0,98 0,95 Input power TWP °C Leaving water temperature CONDENSER °C (Δt 5°C) ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C Heating capacity correction factors 0,99 1,01 1,02 Input power correction factors 1,01 0,98 0,96 Aermec cod. 5167556_03 17.09...
  • Page 27 Input power TWP °C Leaving water temperature CONDENSER °C (Δt 5°C) ΔT WATER DIFFERENT THAN NOMINAL (ΔT 5°C) TAE °C External air temperature b.s. °C Functionemet with DCPX Heating capacity correction factors 0,99 1,01 1,02 Input power correction factors 1,01 0,98 0,96 Aermec cod. 5167556_03 17.09...

  • Page 28: Total Pressure Drops

    For temperatures other than 10°C, use the corrective 300HE factors table. 330HE 350HE 500HE 550HE 600HE 650HE 700HE 5000 10000 15000 20000 25000 30000 35000 40000 45000 Average water temperature Water flow rate l/h Multiplicative coefficients 1,02 1 0,98 0,97 0,95 0,93 0,91 Aermec cod. 5167556_03 17.09...
  • Page 29 330HA/HE 350HA/HE 500HA/HE 550HA/HE 600HA/HE 650HA/HE 700HA/HE 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000 55000 Water flow rate l/h Average water temperature Multiplicative coefficients 1,04 1,03 1,02 1,01 1,00 0,99 0,98 0,97 Aermec cod. 5167556_03 17.09...

  • Page 30: Useful Static Pressures

    0500 0550 0600 0650 0700 5000 10000 15000 20000 25000 30000 35000 Water flow rate (l/h) Evaporator inlet water temperature 7°C External air temperature 35 °C Evaporator outlet water temperature 12°C Average water temperature 10° C Aermec cod. 5167556_03 17.09...
  • Page 31 0600 0650 0700 5000 10000 15000 20000 25000 30000 35000 Water flow rate (l/h) Condenser inlet water temperature 40°C External air temperature 7°C b.s. 6°C b.u. Evaporator outlet water temperature 45°C Average water temperature 43° C Aermec cod. 5167556_03 17.09...
  • Page 32 0350 0550 0600 0650 0700 5000 10000 15000 20000 25000 30000 35000 Water flow rate (l/h) Evaporator inlet water temperature 7°C External air temperature 35 °C Evaporator outlet water temperature 12°C Average water temperature 10° C Aermec cod. 5167556_03 17.09...
  • Page 33 0600 0650 0700 5000 10000 15000 20000 25000 30000 35000 Water flow rate (l/h) Condenser inlet water temperature 40°C External air temperature 7°C b.s. 6°C b.u. Evaporator outlet water temperature 45°C Average water temperature 43° C Aermec cod. 5167556_03 17.09...

  • Page 34: Expansion Vessel Calibration

    It is recommended to design systems with high water content (minimum recommended values shown in table), to limit: 1. The hourly number of inversions between functioning modes. 2. Decrease in water temperature during winter defrost cycles. Aermec cod. 5167556_03 17.09...
  • Page 35 Qwc: Corrective factor of fl ow rates (middle water temperatur 9,5°C) Qwh: Corrective factor of fl ow rates (middle water temperatur 42,5°C) Pc: Corrective factor of cooling capacity Ph: Corrective factor of heating capacity Pa: Corrective factor of imput power Dp: Corrective factor of pressure drop Aermec cod. 5167556_03 17.09...

  • Page 36: Dati Sonori

    66,4 63,5 61,0 50,0 43,7 0280 72,2 61,1 66,4 63,5 61,0 50,0 43,7 Sound power Aermec determines sound power values 0300 73,1 62,2 67,1 64,3 62,0 51,0 44,5 in agreement with the 9614-2 Standard, in 0330 73,1 62,0 67,1 64,3...

  • Page 37: Calibrations Of Safety And Control Parameters

    0200 0280 0300 0330 0350 0500 0550 0600 0650 0700 COMPRESSOR MAGNET CIRCUIT BREAKERS MTC1 MTC1A MTC2 MTC2A MANUALLY RESET HIGH PRESSURE SWITCH HIGH PRESSURE TRANSDUCER LOW PRESSURE TRANSDUCER COOLING CIRCUIT SAFETY VALVES MAGNETOTHERMIC FANS VERSION Aermec cod. 5167556_03 17.09...
  • Page 40 Tel. + 39 0442 633111 recycled paper Fax +39 0442 93577 papier recyclé sales@aermec.com recycled Papier www.aermec.com Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data.

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