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Homepage>Sets of EN Standards>EN 14511:2022 + 14825:2022- Standards for Air conditioners all parts
NEWReleased: 2022

EN 14511:2022 + 14825:2022- Standards for Air conditioners all parts

Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling

ILNAS EN 14511-1; ILNAS EN 14511-2; ILNAS EN 14511-3;ILNAS EN 14511-4;ILNAS EN 14825
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The set of main EN Standards for Air conditioners includes:

EN 14511-1,2,3,4:2022/09 + EN 14825:2022/07

Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors

EN 14511-1:2022/09 

Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 1: Terms and definitions

This European Standard DIN EN specifies the terms and definitions for the rating and performance of air conditioners, liquid chilling packages and heat pumps using either air, water or brine as heat transfer media, with electrically driven compressors when used for space heating and/or cooling. It also specifies the terms and definitions for the rating and performance of process chillers. This European Standard does not apply to heat pumps for domestic hot water, although certain definitions can be applied to these. This European Standard applies to: - factory-made units that can be ducted, - factory-made liquid chilling packages with integral condensers or for use with remote condensers, - factory-made units of either fixed capacity or variable capacity by any means, and - air-to-air air conditioners which can also evaporate the condensate on the condenser side. Packaged units, single split and multisplit systems are covered by this standard. Single duct and double duct units are covered by the standard. In the case of units consisting of several parts, this European Standard applies only to those designed and supplied as a complete package, except for liquid chilling packages with remote condenser. This European Standard is primarily intended for water and brine chilling packages but can be used for other liquid subject to agreement. The units having their condenser cooled by air and by the evaporation of external additional water should have their performance in the cooling mode determined in accordance to EN 15218. For those which can also operate in the heating mode, the EN 14511 series applies for the determination of their performance in the heating mode. NOTE 1 Part load testing of units is dealt with in EN 14825. NOTE 2 All the symbols given in this text are used regardless of the language.

Contents EN 14511-1:2022
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and units
5 Denomination
Index
Bibliography

EN 14511-2:2022/09 

Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 2: Test conditions

1.1 The scope of EN 14511 1 is applicable. 1.2 This European Standard specifies the test conditions for the rating of air conditioners, liquid chilling packages and heat pumps, using either, air, water or brine as heat transfer media, with electrically driven compressors when used for space heating and/or cooling. The standard also specifies the test conditions for the rating of air-cooled and water(brine)-cooled process chillers. 1.3 This European Standard specifies the conditions for which performance data is to be declared for single duct and double duct units for compliance to the Ecodesign Regulation 206/2012 and Energy Labelling Regulation 626/2011.

Contents EN 14511-2:2022
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
4.1 Environmental conditions and electrical power supply requirements
4.2 Rating conditions
Annex ZA (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2015/1095 aimed to be covered
Bibliography

EN 14511-3:2022/09

 Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 3: Test methods

1.1 The scope of EN 14511-1:2022 is applicable. 1.2 This document specifies the test methods for the rating and performance of air conditioners, liquid chilling packages and heat pumps using either air, water or brine as heat transfer media, with electrically driven compressors when used for space heating and cooling. These test methods also apply for the rating and performance of process chillers. It also specifies the method of testing and reporting for heat recovery capacities, system reduced capacities and the capacity of individual indoor units of multisplit systems, where applicable. This document also makes possible to rate multisplit and modular heat recovery multisplit systems by rating separately the indoor and outdoor units.

Contents EN 14511-3:2022
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Tests for determination of capacities
4.1 Basic principles and methods
4.1.1 Air-to-air and water(brine)-to-air units
4.1.2 Air-to-water(brine) and water(brine)-to-water(brine) units
4.1.3 Capacity correction
4.1.4 Effective power input
4.1.5 Units on a distribution network of pressured water
4.1.6 Units for use with remote condenser
4.2 Test apparatus
4.2.1 Arrangement of the test apparatus
4.2.2 Installation and connection of the test object
4.3 Uncertainties of measurement
4.4 Test procedure
4.4.1 Settings
4.4.2 Output measurement for water (brine)-to-water (brine) and water (brine)-to-air units
4.4.3 Output measurement for cooling capacity of air-to-water (brine) and air-to-air units
4.4.4 Output measurement for heating capacity of air-to-air and air-to-water units
4.4.5 Permissible deviations
4.5 Test results
4.5.1 Data to be recorded
4.5.2 Cooling capacity and heat recovery capacity calculation
4.5.3 Heating capacity calculation
4.5.4 Effective power input calculation
4.5.5 EER and COP calculation
5 Electrical consumptions for single duct and double duct units
5.1 Determination of power consumption due to standby mode
5.2 Determination of power consumption in off-mode
5.3 Electricity consumption
6 Air flow rate measurement of ducted units
7 Heat recovery test for air-cooled multisplit system
7.1 Test installation
7.1.1 General
7.1.2 Three-room calorimeter method
7.1.3 Three-room air-enthalpy method
7.1.4 Two-room air-enthalpy method
7.2 Test procedure
7.3 Test results
8 Test report
8.1 General information
8.2 Additional information
8.3 Rating test results
Annex A (normative) Calorimeter test method
A.1 General
A.2 Calibrated room-type calorimeter
A.3 Balanced ambient room-type calorimeter
A.4 Calculations-cooling capacities
A.4.1 General
A.4.2 Total cooling capacity on the indoor-side
A.4.3 Total cooling capacity of liquid (water)-cooled equipment deducted from the condenser side
A.4.4 Latent cooling capacity (room dehumidifying capacity)
A.4.5 Sensible cooling capacity
A.4.6 Sensible heat ratio
A.5 Calculation-heating capacities
A.5.1 General
A.5.2 Determination of the heating capacity by measurements in the indoor-side room
A.5.3 Determination of the heating capacity by measurements in the outdoor-side room
A.5.4 Total heating capacity of liquid (water)-to-air unit deducted from the water side
Annex B (normative) Indoor air enthalpy method
B.1 General
B.2 Test installation
B.2.1 General
B.2.2 Air outlet section
B.2.3 Air inlet section
B.2.4 Discharge chamber design for non-ducted units
B.2.5 Duct requirements for ducted units
B.2.5.1 Air outlet duct
B.2.5.2 Air inlet duct
B.3 Calculations-cooling capacities
B.4 Calculations-heating capacities
Annex C (informative) Recommendations for reducing the indoor air enthalpy method uncertainty
C.1 General
C.2 Uncertainty of measurement
C.2.1 General
C.2.2 Guidance on temperature measurement
C.3 Air leakage tests
C.4 Zero latent capacity confirmation
C.5 Thermal loses from ducts, chambers and plenums
Annex D (normative) Liquid enthalpy test method
D.1 General
D.2 Calculations-heating capacities
D.3 Calculations-cooling capacities
Annex E (informative) Test installation and measurements for the liquid enthalpy method
E.1 General
E.2 Connecting the unit
E.3 Liquid temperature measuring points
E.4 Pressure measuring points
E.5 Liquid flow rate measurement
Annex F (normative) Determination of the liquid pump efficiency
F.1 General
F.2 Hydraulic power of the liquid pump
F.2.1 The liquid pump is an integral part of the unit
F.2.2 The liquid pump is not an integral part of the unit
F.3 Efficiency of integrated pumps
F.3.1 Glandless circulators
F.3.2 Dry motor pumps
F.4 Efficiency of non-integrated pumps
Annex G (informative) Rating of indoor and outdoor units of multisplit and modular heat recovery multisplit systems
G.1 General
G.2 Terms and definitions
G.3 Rating of indoor units
G.3.1 General
G.3.2 Air flow rate measurement
G.3.3 Measurement of the power input of indoor units
G.4 Rating of outdoor units
G.4.1 General
G.4.2 Test procedure
Annex H (informative) Symbols used in annexes
Annex I (normative) Air flow rate measurement
I.1 General
I.2 Test installation
I.3 Test conditions
I.4 Air flow measurement
Annex J (informative) Conformance criteria
J.1 Water(brine)-to-water(brine) units
J.2 Calorimeter room method
J.3 Heat recovery of multisplit systems
Annex K (informative) Individual unit tests
K.1 General
K.1.1 Methods
K.1.2 Calorimeter method
K.1.3 Air-enthalpy method
K.2 Test results
K.3 Published results
Annex ZA (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 206/2012 [OJEU L 72/7-27, 10.3.2012] aimed to be covered
Annex ZB (informative) Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 626/2011 [OJEU L 178/1-72, 6.7.2011] aimed to be covered
Annex ZC (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2016/2281 [OJEU L346/1-50, 20.12.2016] aimed to be covered
Bibliography

EN 14511-4:2022/09

Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 4: Requirements

1.1 The scope of EN 14511-1:2022 is applicable, with the exception of process chillers. 1.2 This document specifies minimum operating requirements which ensure that air conditioners, heat pumps and liquid chilling packages using either air, water or brine as heat transfer media, with electrical driven compressors are fit for the use designated by the manufacturer when used for space heating and/or cooling.

Contents EN 14511-4:2022
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Operating requirements
4.1 General
4.2 Temperature operating range
4.2.1 Starting and operating tests
4.3 Outside the operating range
4.4 Freeze-up test in cooling mode
4.5 Shutting off the heat transfer medium flows
4.6 Complete power supply failure
4.7 Condensate draining and enclosure sweat test
4.8 Other requirements
5 Technical data sheet
5.1 General description
5.2 Performance characteristics
5.2.1 Rating characteristics
5.2.2 Additional characteristics
5.2.3 Sound characteristics
5.3 Electrical characteristics
5.4 Operating range
6 Instructions
6.1 General
6.2 Physical description
6.2.1 Refrigerant, air and/or liquid circuits
6.2.2 Additional heating devices, when integral to the unit
6.2.3 Control and safety
6.3 Instructions for installation
6.4 Instruction for maintenance
6.5 Instructions to test houses

EN 14825:2022/07

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 calculation of seasonal performance

This document is applicable to air conditioners, heat pumps and liquid chilling packages, including comfort and process chillers. It applies to factory made units defined in EN 14511-1, except single duct, double duct, control cabinet and close control units. It also covers direct exchange-to-water(brine) heat pumps (DX-to-water(brine)) as defined in EN 15879-1. This document also applies to hybrid units as defined in this standard. This document specifies the temperatures, part load conditions and the calculation methods for the determination of seasonal energy efficiency SEER and SEERon, seasonal space cooling energy efficiency ηs,c, seasonal coefficient of performance SCOP, SCOPon and SCOPnet, seasonal space heating energy efficiency ηs,h and seasonal energy performance ratio SEPR. Such calculation methods can be based on calculated or measured values. In case of measured values, this document specifies the test methods for determination of capacities, EER and COP values during active mode at part load conditions. It also establishes test methods for power input during thermostat-off mode, standby mode, off mode and crankcase heater mode. NOTE 1 The word "unit" is used instead of the full terms of the products. NOTE 2 The word "heating" is used to refer to space heating.

Contents EN 14825:2022
European foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, abbreviated terms and units
3.1 Terms and definitions
3.2 Symbols, abbreviated terms and units
4 Part load conditions for space cooling
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
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
6 Part load conditions for space heating
6.1 General
6.2 Air-to-air units
6.3 Water(brine)-to-air-units
6.4 Air-to-water(brine) units
6.5 DX-to-water(brine) and water(brine)-to-water(brine) units
7 Calculation methods for seasonal space heating efficiency ηs,h, SCOP, SCOPon and SCOPnet of heat pumps
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
7.8 Method for Psup calculation
8 Test and calculation methods for hybrid units
8.1 General
8.2 Separated method
8.3 Combined test method
9 Part load conditions for process cooling
10 Calculation method for SEPR of process chillers and remote condenser process chillers
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
11 Test methods for testing capacities, EERd and COPd values during active mode at part load conditions
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
11.6 Test procedure for staged and variable capacity units
12 Test methods for electric power input during thermostat-off mode, standby mode and crankcase heater mode and off mode
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
A.1 Climate bins
A.2 Hours for active mode, thermostat-off, standby, off mode
A.3 Hours used for crankcase heater mode
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
B.1 Climate bins
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
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
D.1 Climate bins
D.2 Hours for active, thermostat-off, standby and off modes
D.3 Hours used for crankcase heater mode
Annex E (informative) Determination of water(brine) temperature for fixed capacity units with variable outlet temperature
E.1 General
E.2 Test procedure for an air-to-water unit with fixed water flow rate
Annex F (informative) Calculation example for SEERon and SEER – Application to a reversible air-to-air unit with variable capacity
F.1 Calculation of SEERon
F.2 Calculation of SEER
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
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 chiller with staged capacity
J.1 Rating performance
Annex K (informative) Compensation methods for air-to-water(brine) and water(brine)-to-water(brine) units
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
L.1 General
L.2 Rating of outdoor units
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
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 206/2012 aimed 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 813/2013 aimed 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) 2015/1095 aimed to be covered
Annex ZF (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2016/2281 aimed to be covered
Bibliography

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