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BS EN 14825:2018 Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling. Testing and rating at part load conditions and calculation of seasonal performance, 2018
- 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 cooling QCE
- 5.6 Calculation of SEERon
- 5.7 Calculation procedure for determination of EERbin values at part load conditions A, B, C, 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 Test methods for hybrid heat pumps [Go to Page]
- 7.1 General
- 7.2 Separated test method
- 7.3 Combined test method [Go to Page]
- 7.3.1 General
- 7.3.2 Calculation of gas input
- 7.3.3 Calculation of liquid fuel input
- 7.3.4 Calculation of annual fossil fuel consumption
- 8 Calculation methods for seasonal space heating efficiency ηs,h, SCOP, SCOPon and SCOPnet [Go to Page]
- 8.1 General
- 8.2 Calculation of the seasonal space heating efficiency ηs,h
- 8.3 General formula for calculation of SCOP
- 8.4 Calculation of the reference annual heating demand QH
- 8.5 Calculation of the annual energy consumption for heating QHE
- 8.6 Calculation of SCOPon and SCOPnet [Go to Page]
- 8.6.1 Calculation for all systems except hybrid heat pumps
- 8.6.2 Calculation for hybrid heat pumps [Go to Page]
- 8.6.2.1 Separated test method
- 8.6.2.2 Combined test method
- 8.7 Calculation procedure for determination of COPbin values at part load conditions A to G [Go to Page]
- 8.7.1 General
- 8.7.2 Calculation procedure for fixed capacity units [Go to Page]
- 8.7.2.1 Air-to-air and water(brine)-to-air units
- 8.7.2.2 Air-to-water(brine), water(brine)-to-water(brine) and DX-to-water(brine) units
- 8.7.3 Calculation procedure for staged and variable capacity units
- 9 Part load conditions for process cooling
- 10 Calculation method for SEPR [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 process chillers
- 10.2.3 Calculation procedure for variable capacity process chillers
- 11 Test methods for testing capacities, EERbin and COPbin 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 capacity ratio
- 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 Technical documentation
- Annex A (normative)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 (normative)Applicable climate bins and hours for air/water(brine)/DX-to-water(brine) heat pumps with a rated heat output ≤ 400kW [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 (normative)Applicable climate bins and hours for process chillers [Go to Page]
- C.1 Climate bins
- Annex D (normative)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 (normative)Templates for technical documentation [Go to Page]
- E.1 General
- E.2 Air-to-air units ≤ 12 kW
- E.3 Space heaters: air-to-water(brine), water(brine)-to-water(brine) and DX-to-water(brine) units ≤ 400kW
- E.4 Hybrid heat pumps
- E.5 Process Chillers
- E.6 Comfort chillers, air-to-air (>12 kW) and water(brine)-to-air air conditioners not exceeding 2 MW
- E.7 Air-to-air and water(brine)-to-air heat pumps not exceeding 1 MW
- Annex F (informative)Determination of water(brine) temperature for fixed capacity units with variable outlet temperature [Go to Page]
- F.1 General
- F.2 Test procedure for an air-to-water unit with fixed water flow rate
- F.3 Test procedure for an air-to-water unit with variable water flow rate
- Annex G (informative)Calculation example for SEERon and SEER – Application to a reversible air-to-air unit with variable capacity [Go to Page]
- G.1 Calculation of SEERon
- G.2 Calculation of SEER [Go to Page]
- G.2.1 Calculation of reference annual cooling demand (QC) according to Formula (3)
- G.2.2 Calculation of SEER according to Formula (6)
- Annex H (informative)Calculation example for SCOPon and SCOPnet - Application to a fixed capacity air-to-water(brine) heat pump used for low temperature application
- Annex I void
- Annex J (informative)Calculation example for SCOPon and SCOPnet – Application to a fixed capacity brine-to-water(brine) heat pump used for medium temperature application
- Annex K (informative)Calculation examples for SCOPon for hybrid heat pumps [Go to Page]
- K.1 Calculation example for SCOPon for variable speed hybrid heat pump based on heat pump and boiler separated tests
- K.2 Calculation example for SCOPon for hybrid heat pump using combined test method
- Annex L (informative)Calculation example for SEPR – Application to a process chiller with staged capacity [Go to Page]
- L.1 Rating performance
- Annex M (informative)Compensation methods for air-to-water(brine) and water(brine)-to-water(brine) units [Go to Page]
- M.1 General
- M.2 Compensation system for reduced capacity test in cooling mode
- M.3 Compensation system for reduced capacity test in heating mode
- Annex N (normative)Rating of outdoor units of multi-split air conditioners and heat pumps [Go to Page]
- N.1 General
- N.2 Terms and definitions
- N.3 Rating of outdoor units [Go to Page]
- N.3.1 General
- N.3.2 Test procedure
- N.4 Calculation of the SEER based on the EERoutdoor
- N.5 Calculation of the SCOP based on the COPoutdoor
- Annex ZA (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 206/2012 aimed to be covered
- Annex ZB (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 813/2013 aimed to be covered
- Annex ZC (informative)Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 811/2013 aimed to be covered
- Annex ZD (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2015/1095 aimed to be covered [Go to Page]
