TS EN 14511-1
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 document 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 document does not apply to heat pumps for domestic hot water, although certain definitions can be applied to these.
This document applies to:
— factory-made units that can be ducted,
— factory-made liquid chilling packages with integral condensers or for use with remote condensers, 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 document. Single duct and double duct units are covered by this document, as well.
In the case of units consisting of several parts, this document applies only to those designed and supplied as a complete package, except for liquid chilling packages with remote condenser.
This document 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 will 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.
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About This Item
TS EN 14511-1 is the terminology and definitions part of the series used for rating and performance assessment of electrically driven compressor air conditioners, liquid chilling packages and heat pumps. It establishes a common technical language for space heating, space cooling and process cooling, so that capacity, efficiency and operating conditions are interpreted consistently.
Equipment covered by the vocabulary
The document applies to systems using air, water or brine as heat transfer media and to a broad set of factory-made equipment, including ducted units, liquid chilling packages with integral condensers or remote condensers, and air-to-air air conditioners. Packaged units, single-split and multisplit systems, as well as single-duct and double-duct units, are included in the terminology framework.
In general technical terms, these products rely on a refrigerant circuit driven by a compressor to move heat between indoor and outdoor sides or between a process and a heat rejection source. Standardized terms matter because rated performance, declared operating conditions and comparison of products depend on the same definitions being used in the same way.
Defined boundaries and related standards
- Domestic hot water heat pumps are outside the direct scope, although some definitions may still be applicable.
- For units cooled by air and by evaporation of external additional water, cooling-mode performance is determined according to EN 15218.
- For units that can also operate in heating mode, performance determination in heating mode follows the EN 14511 series.
- Part-load testing is addressed in EN 14825.
- Publication Date: 30.09.2022
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.040.91 Yapı Malzemeleri ve Yapılar (Terimler); 27.080 Isı Pompaları; 91.140.30 Havalandırma ve Klima Sistemleri ; 01.040.27 Enerji ve Isı Transfer Mühendisliği (Terimler)
- Pages: 20
- Source Standard: EN 14511-1:2022
- International Equivalents: EN 14511-1-EQV
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