Tests

RELAB offers a wide range of test services aimed at the research and development of products and at their acoustic and performance assessment. Among these:

• Accredited tests according to EN ISO IEC 17025
• Tests for the nominal and seasonal performance assessment according to the reference standards
• Safety and operative tests according to the reference standards
• Test at design and off-design conditions and at the operating limit conditions
• Acoustic tests “in-situ” and in laboratory according to the reference standards
• Research and development of products and components
• Development and tuning of simulation tools
• Product labelling and marking

All according to the most recent European standards and regulations:

• EN 14511, EN14825, EN16147, EN1397, EN12309 e VDI4650
• EN12102, EN ISO 3743-1, EN ISO 9614-1/2 e EN16583
• ECO design, ECO Label e direttive ErP

TESTED APPLIANCES

RELAB’s facilities allow evaluating thermal and acoustic performances of a wide range of appliances including:

• heat pumps and liquid chilling packages/chillers with electrical compressor
• heat pumps for DHW production with electrical compressor
• gas heat pumps and chillers
• fancoils(fan coil)
• heat recovery devices
• air conditioners

HEAT PUMPS AND LIQUID CHILLING PACKAGES/CHILLERS WITH ELECTRICAL COMPRESSOR

Machine type

• heat pumps and hybrid heat pumps
• comfort chillers and high temperature process chillers
• Split or monoblock
• Air/Water, Brine/Water, Water/Water
• Refrigerants: HFC safety class A1, R32, R452B, R290

Test Type

• Performance tests according to the reference standard (direct enthalpy method), at full and partial load, for the determination of:
  • Cooling/heating capacity
  • Energy efficiency at nominal conditions/ nominal energy efficiency (EER/COP)
  • Energy efficiency on seasonal basis/seasonal energy efficiency (SEER/SCOP)
  • Energy efficiency class for the labelling of the tested unit

• Operating and safety tests (“envelope”)
• Tests according to “custom” load profiles and climatic curves
• R&D tests
• Acoustic tests for the determination of:
  • Sound power level with pressure method according to reference standard
  • Sound power level “in-situ” with intensity method according to reference standard
  • Sound source directivity through acoustic mapping by using microphone arrays
  • Acoustic characterization and optimization

Operating Ranges

• Rated power: up to 100kW
• Indoor environment temperature (DB): +5 °C ÷ +60°C
• Outdoor environment temperature (DB): -30°C ÷ +60°C
• Relative Humidity (RH): 20% ÷ 95%
• Heat transfer medium temperature: -20°C ÷ +90°C
• Heat transfer medium flow rate: 0.12 m3/h ÷ 24 m3/h
• Frequency band (for acoustic tests): 100Hz÷10kHz

Rules, Regulations and Reference Directives

• EN14511 e EN14825
• Regolation 811 (Ecolabel) and Regolation 813 (Ecodesign)
• EN ISO 3743-1, EN 12102-1 and EN ISO 9614-1/2

HEAT PUMPS FOR DOMESTIC HOT WATER (DHW) PRODUCTION WITH ELECTRICAL COMPRESSOR

Machine Type

• Ducted and not ducted heat pumps, with integrated or separate storage tank
• Split or Monoblock
• Air/Water, Brine/Water, Water/Water
• Refrigerants: HFC safety class A1, R32, R452B, R290

Test Type

• Performance tests according to the standardized tapping profiles S, M, L, XL, XXL, for the determination of::
  • Daily useful energy
  • Nominal and seasonal coefficient of performance (COP/SCOP) for the production of domestic hot water (DHW)
  • Energy efficiency according to European Regulations (ƞACS)

• Tests according to “custom” taping profiles
• Operating and safety tests (“envelope”)
• R&D tests
• Acoustic tests for the determination of:
  • Sound power level with pressure method according to reference standard
  • Sound power level “in-situ” with intensity method according to reference standard
  • Sound source directivity through acoustic mapping by using microphone arrays
  • Acoustic characterization and optimization

Operating Ranges

• Rated power: up to 20kW
• Indoor environment temperature: +5 °C ÷ +60°C
• Outdoor environment temperature: -30°C ÷ +60°C
• Relative humidity (RH): 20% ÷ 95%
• Heat transfer medium temperature: > +5°C
• Heat transfer medium flow rate: up to 20 l/min
• Frequency band (for acoustic tests): 100Hz÷10kHz

Rules, Regulations and Reference Directives:

• EN 16147
• Regolation 812/2014 (Ecolabel) e Regulation 814/2013 (Ecodesign)
• EN 12102-2, EN ISO 3743-1 and EN ISO 9614-1/2

GAS HEAT PUMPS AND CHILLERS

Machine Type

• Chillers and monovalent or hybrid heat pumps
• Monoblock
• Air/Water, Brine/Water, Water/Water
• Gas: Methane from grid/ Methane G20 in certified bottles, (blend), Methane/Hydrogen in certified bottles
• Working pairs: NH3/H2O (Ammonia/Water), H2O /LiBr (Water /Litium Bomide), Water/Siliga gel

Test Type

• Performance tests according to the reference standard (direct enthalpy method), at full and partial load, for the determination of:
  • Cooling/heating capacity
  • Energy efficiency at nominal conditions/ nominal energy efficiency (GUEc/GUEh)
  • Energy efficiency on seasonal basis/seasonal energy efficiency (SGUEc/SPERc/ SGUEh/SPERh)

• Energy efficiency class for the labelling of the tested unit
• Operating and safety tests (“envelope”)
• Tests according to “custom” load profiles and climatic curves
• R&D tests
• Acoustic tests for the determination of:
  • Sound power level with pressure method according to reference standard
  • Sound power level “in-situ” with intensity method according to reference standard
  • Sound source directivity through acoustic mapping by using microphone arrays
  • Acoustic characterization and optimization

Operating Ranges

• Rated power: up to 100kW
• Indoor environment temperature (DB): +5 °C ÷ +60°C
• Outdoor environment temperature (DB): -30°C ÷ +60°C
• Relative Humidity (RH): 20% ÷ 95%
• Heat transfer medium temperature: -20°C ÷ +90°C
• Heat transfer medium flow rate: 0.12 m3/h ÷ 24 m3/h
• Gas flow rate: 0.100 m3/h ÷ 7m3/h
• Frequency band (for acoustic tests): 100Hz÷10kHz

Rules, Regulations and Reference Directives:

• EN 12309, VDI 4650 Blatt2/Part2
• Regulation 811/2013 (Ecolabel) and Regulation 813/2013 (Ecodesign)
• EN ISO 3743-1, EN 12102-1 and EN ISO 9614-1/2

FAN COILS

Machine Type

Not ducted fan coils

Test Type

• Performance tests according to the reference standard for the determination of:
  • Cooling/heating capacity
  • Latent cooling capacity
  • Sensible cooling capacity

• Tests according to “custom” load profiles and climatic curves
• Operating and safety tests (“envelope”)
• Acoustic tests for the determination of:
  • Sound power level with pressure method according to reference standard
  • Sound power level “in-situ” with intensity method according to reference standard
  • Sound source directivity through acoustic mapping by using microphone arrays

Operating Ranges

• Rated power: up to 100kW
• Indoor environment temperature (DB): +5 °C ÷ +60°C
• Relative Humidity (RH): 20% ÷ 95%
• Heat transfer medium temperature: +5°C ÷ +90°C
• Heat transfer medium flow rate: 0 m3/h ÷ 24 m3/h
• Frequency band (for acoustic tests): 100Hz÷10kHz

Rules, Regulations and Reference Directives

• EN 1397
• EN ISO 3743-1, EN 16583 and EN ISO 9614-1/2

HEAT RECOVERY DEVICES

Machine Type

• Category I, Category IIa, Category IIb ( according to definitions in EN308)

Test Type

• Tests according to the reference standard for the determination of:
  • Thermal and hygrometric efficiency
  • External losses
  • Internal losses on exhausted air side
  • Pressure losses on the exhausted air side and on the supply air side

• Tests according to “custom” load profiles and climatic curves

Operating Ranges

• Air flow: 100m3/h ÷ 2000 m3/h
• Indoor environment temperature (DB): +5 °C ÷ +60°C
• Outdoor environment temperature (DB): -30°C ÷ +60°C
• Relative Humidity (RH): 20% ÷ 95%

Rules, Regulations and Reference Directives:

• EN 308
• EN 13141-7

AIR CONDITIONERS AND HEAT PUMPS

Machine Type

• Conditioners and/or heat pumps
• Close control unit
• Single split or Monoblock
• Air/Air, Water/Air
• Refrigerants: HFC safety class A1, R32, R452B, R290

Test Type

• Operating and safety tests (“envelope”)
• Tests according to “custom” load profiles and climatic curves
• R&D tests
• Acoustic tests for the determination of:
  • Sound power level with pressure method according to reference standard
  • Sound power level “in-situ” with intensity method according to reference standard
  • Sound source directivity through acoustic mapping by using microphone arrays
  • Acoustic characterization and optimization

Operating Ranges

• Rated power: up to 100kW
• Indoor environment temperature (DB): +5 °C ÷ +60°C
• Relative Humidity (RH): -30°C ÷ +60°C
• Heat transfer medium temperature: 20% ÷ 95%
• Frequency band (for acoustic tests): 100Hz÷10kHz

Rules, Regulations and Reference Directives

• EN14511 and EN14825
• Regulation UE 626/2011 (Ecolabel) and Regulation UE 206/2012 (Ecodesign)
• EN ISO 3743-1, EN 12102-1 e EN ISO 9614-1/2