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BS EN 14825:2022 - TC Tracked Changes. Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling, commercial and process cooling. Testing and rating at part load conditions and calculati, 2023
- 30461034
- A-30419055 [Go to Page]
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, symbols, abbreviated terms and units [Go to Page]
- 3.1 Terms and definitions
- 3.2 Symbols, abbreviated terms and units
- 4 Part load conditions for space cooling [Go to Page]
- 4.1 General
- 4.2 Air-to-air units
- 4.3 Water(brine)-to-air units
- 4.4 Air-to-water(brine) units
- 4.5 Water(brine)-to-water(brine) units
- 5 Calculation methods for seasonal space cooling efficiency ηs,c, SEER and SEERon [Go to Page]
- 5.1 General
- 5.2 Calculation of the seasonal space cooling efficiency ηs,c
- 5.3 General formula for calculation of SEER
- 5.4 Calculation of the reference annual cooling demand QC
- 5.5 Calculation of the reference annual energy consumption for space cooling QCE
- 5.6 Calculation of SEERon
- 5.7 Calculation procedure for determination of EERbin values at part load conditions A, B, C and D [Go to Page]
- 5.7.1 General
- 5.7.2 Calculation procedure for fixed capacity units [Go to Page]
- 5.7.2.1 Air-to-air and water(brine)-to-air units
- 5.7.2.2 Air-to-water(brine), water(brine)-to-water(brine)
- 5.7.3 Calculation procedure for staged and variable capacity units
- 6 Part load conditions for space heating [Go to Page]
- 6.1 General
- 6.2 Air-to-air units
- 6.3 Water(brine)-to-air-units
- 6.4 Air-to-water(brine) units [Go to Page]
- 6.4.1 General
- 6.4.2 Low temperature application
- 6.4.3 Intermediate temperature application
- 6.4.4 Medium temperature application
- 6.4.5 High temperature application
- 6.5 DX-to-water(brine) and water(brine)-to-water(brine) units [Go to Page]
- 6.5.1 General
- 6.5.2 Low temperature application
- 6.5.3 Intermediate temperature application
- 6.5.4 Medium temperature application
- 6.5.5 High temperature application
- 7 Calculation methods for seasonal space heating efficiency ηs,h, SCOP, SCOPon and SCOPnet of heat pumps [Go to Page]
- 7.1 General
- 7.2 Calculation of the seasonal space heating efficiency ηs,h
- 7.3 General formula for calculation of SCOP
- 7.4 Calculation of the reference annual heating demand QH
- 7.5 Calculation of the annual energy consumption for heating QHE
- 7.6 Calculation of SCOPon and SCOPnet
- 7.7 Calculation procedure for determination of COPbin values at part load conditions A to G [Go to Page]
- 7.7.1 General
- 7.7.2 Calculation procedure for fixed capacity units [Go to Page]
- 7.7.2.1 Air-to-air and water(brine)-to-air units
- 7.7.2.2 Air-to-water(brine), water(brine)-to-water(brine) and DX-to-water(brine) units
- 7.7.3 Calculation procedure for staged and variable capacity units [Go to Page]
- 7.7.3.1 For temperatures above or equal to Tbiv
- 7.7.3.2 For temperatures below Tbiv
- 7.8 Method for Psup calculation
- 8 Test and calculation methods for hybrid units [Go to Page]
- 8.1 General
- 8.2 Separated method [Go to Page]
- 8.2.1 General
- 8.2.2 Heat pump testing [Go to Page]
- 8.2.2.1 Test conditions
- 8.2.2.2 Test installation and measurements
- 8.2.3 Boiler testing
- 8.2.4 Energy efficiency and seasonal coefficient of performance calculations [Go to Page]
- 8.2.4.1 Calculation procedure for COPbin values at test conditions
- 8.2.4.2 Calculation of SCOPon
- 8.2.4.3 Calculation of SCOP and ηs,h
- 8.3 Combined test method [Go to Page]
- 8.3.1 General
- 8.3.2 Test conditions and measurements
- 8.3.3 Test installation
- 8.3.4 Calculation of gas input [Go to Page]
- 8.3.4.1 Volume flow
- 8.3.4.2 Mass flow
- 8.3.5 Calculation of liquid fuel input
- 8.3.6 Calculation of annual fuel consumption
- 8.3.7 Energy efficiency and seasonal coefficient of performance calculations [Go to Page]
- 8.3.7.1 Calculation procedure for COPd values at test conditions
- 8.3.7.2 Calculation procedure for COPbin values at test conditions
- 8.3.7.3 Calculation of SCOPon
- 8.3.7.4 Calculation of the seasonal space heating efficiency, ηs,h
- 9 Part load conditions for process cooling
- 10 Calculation method for SEPR of process chillers and remote condenser process chillers [Go to Page]
- 10.1 General formula for calculation of SEPR
- 10.2 Calculation procedure for determination of EERbin values at part load conditions A, B, C, D [Go to Page]
- 10.2.1 General
- 10.2.2 Calculation procedure for fixed capacity units
- 10.2.3 Calculation procedure for staged and variable capacity units
- 11 Test methods for testing capacities, EERd and COPd values during active mode at part load conditions [Go to Page]
- 11.1 General
- 11.2 Refrigerant piping
- 11.3 Basic principles
- 11.4 Uncertainties of measurement
- 11.5 Test procedures for units with fixed capacity [Go to Page]
- 11.5.1 General
- 11.5.2 Air-to-air and water(brine)-to-air units – Determination of the degradation coefficient Cd [Go to Page]
- 11.5.2.1 General
- 11.5.2.2 Air-to-air units – Cooling mode
- 11.5.2.3 Air-to-air units – Heating mode
- 11.5.2.4 Water(brine)-to-air units – Cooling mode
- 11.5.2.5 Water(brine)-to-air units – Heating mode
- 11.5.3 Air-to-water(brine), water(brine)-to-water(brine) and DX-to-water(brine) units – Determination of the degradation coefficient Cd
- 11.6 Test procedure for staged and variable capacity units [Go to Page]
- 11.6.1 General
- 11.6.2 Settings for the required heating/cooling load
- 11.6.3 Compensation method
- 12 Test methods for electric power input during thermostat-off mode, standby mode and crankcase heater mode and off mode [Go to Page]
- 12.1 Uncertainties of measurement
- 12.2 Measurement of electric power input during thermostat-off mode
- 12.3 Measurement of the electric power input during standby mode
- 12.4 Measurement of the electric power input during crankcase heater mode
- 12.5 Measurement of the electric power input during off mode
- 13 Test report
- 14 Testing and rating of individual indoor units
- Annex A (informative)Applicable climate bins and hours for air conditioners with rated capacity of ≤ 12 kW for cooling, or heating if the product has no cooling function [Go to Page]
- A.1 Climate bins [Go to Page]
- A.1.1 Bin limit temperature
- A.1.2 Cooling
- A.1.3 Heating
- A.2 Hours for active mode, thermostat-off, standby, off mode [Go to Page]
- A.2.1 Cooling
- A.2.2 Heating
- A.3 Hours used for crankcase heater mode [Go to Page]
- A.3.1 Cooling
- A.3.2 Heating
- Annex B (informative)Applicable climate bins and hours for air/water(brine)/DX-to-water(brine) heat pumps with a rated heat output ≤ 400 kW [Go to Page]
- B.1 Climate bins [Go to Page]
- B.1.1 Bin limit temperature
- B.1.2 Heating
- B.2 Hours for active, thermostat-off, standby and off modes – Heating
- B.3 Hours used for crankcase heater mode – Heating
- Annex C (informative)Applicable climate bins and hours for process chillers [Go to Page]
- C.1 Climate bins
- Annex D (informative)Applicable climate bins and hours for air-to-air units > 12 kW, water(brine)-to-air units and comfort chillers [Go to Page]
- D.1 Climate bins [Go to Page]
- D.1.1 Bin limit temperature
- D.1.2 Cooling
- D.1.3 Heating
- D.2 Hours for active, thermostat-off, standby and off modes [Go to Page]
- D.2.1 Cooling
- D.2.2 Heating
- D.3 Hours used for crankcase heater mode [Go to Page]
- D.3.1 Cooling
- D.3.2 Heating
- Annex E (informative)Determination of water(brine) temperature for fixed capacity units with variable outlet temperature [Go to Page]
- E.1 General
- E.2 Test procedure for an air-to-water unit with fixed water flow rate
- E.3 Test procedure for an air-to-water unit with variable water flow rate
- Annex F (informative)Calculation example for SEERon and SEER – Application to a reversibleair-to-air unit with variable capacity [Go to Page]
- F.1 Calculation of SEERon
- F.2 Calculation of SEER [Go to Page]
- F.2.1 Calculation of reference annual cooling demand (QC) according to Formula (3)
- F.2.2 Calculation of SEER according to Formula (6)
- Annex G (informative)Calculation example for SCOPon and SCOPnet – Application to a fixed capacity air-to-water(brine) heat pump used for low temperature application
- Annex H (informative)Calculation example for SCOPon and SCOPnet – Application to a fixed capacity brine-to-water(brine) heat pump used for medium temperature application
- Annex I (informative)Calculation examples for SCOPon for hybrid units [Go to Page]
- I.1 Calculation example for SCOPon for variable speed hybrid unit based on heat pump and boiler separated tests
- I.2 Calculation example for SCOPon for hybrid unit using combined test method
- Annex J (informative)Calculation example for SEPR – Application to a process chillerwith staged capacity [Go to Page]
- J.1 Rating performance
- Annex K (informative)Compensation methods for air-to-water(brine)and water(brine)-to-water(brine) units [Go to Page]
- K.1 General
- K.2 Compensation system for reduced capacity test in cooling mode
- K.3 Compensation system for reduced capacity test in heating mode
- Annex L (normative)Rating of outdoor units of multi-split air conditioners and heat pumps [Go to Page]
- L.1 General
- L.2 Rating of outdoor units [Go to Page]
- L.2.1 General
- L.2.2 Test procedure
- L.3 Calculation of the SEER based on the EERoutdoor
- L.4 Calculation of the SCOP based on the COPoutdoor
- Annex M (normative)Testing and rating of individual indoor units [Go to Page]
- M.1 Indoor unit under test
- M.2 Test methods
- M.3 Test conditions
- M.4 Rated performance
- M.5 Data to be recorded
- Annex ZA (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 206/2012aimed to be covered
- Annex ZB (informative)Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation(EU) No 626/2011 aimed to be covered
- Annex ZC(informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 813/2013aimed to be covered
- Annex ZD(informative)Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 811/2013 aimed to be covered
- Annex ZE(informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2015/1095aimed to be covered
- Annex ZF(informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2016/2281aimed to be covered [Go to Page]
