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EN 1861:1998

Current
Current

The latest, up-to-date edition.

Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols
Published date

04-22-1998

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Classification, information content and
    presentation
5 Layout of diagrams
6 Selection of graphical symbols
Annex A (informative) Examples of flow diagrams for
refrigerating systems
Annex B (informative) Letter code, general symbols and
examples of measurement and control symbols
Annex C (informative) Bibliography

This European standard specifies the symbols and drawing rules for system flow diagrams and piping and instrument diagrams to be applied to refrigerating systems including heat pumps. These diagrams represent the configuration and function of refrigerating systems and form a part of the complete technical documentation necessary for designing, construction, installation, commissioning, operation, maintenance and decommissioning of a refrigerating system. This standard does not apply to refrigerating systems, where the heat is extracted by an electrical circuit, e.g. Peltier-effect.

Committee
CEN/TC 182
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
DIN EN 1861:1998-07 Identical
NBN EN 186-1 : 1992 Identical
NEN EN 1861 : 1998 Identical
BS EN 1861:1998 Identical
PN EN 1861 : 2001 Identical
UNE-EN 1861:1999 Identical
NS EN 1861 : 1ED 1999 Identical
UNI EN 1861 : 2000 Identical
NBN EN 1861 : 1998 Identical
I.S. EN 1861:1998 Identical
SN EN 1861 : 1999 Identical
NF EN 1861 : 1998 Identical

03/302503 DC : DRAFT FEB 2003 BS EN 14276-2 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
PREN 14276-2 : DRAFT 2017 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
I.S. EN 378-2:2016 REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
UNE-EN 378-2:2017 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
03/314351 DC : 0 EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
02/712507 DC : DRAFT OCT 2002 EN 14585 - PRESSURISED CORRUGATED METAL HOSE ASSEMBLIES
13/30291774 DC : 0 BS EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
EN 378-2:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
DIN EN 14276-2:2011-05 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
UNI EN 14276-2 : 2011 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
PREN 378-2 : DRAFT 2013 REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
17/30351221 DC : 0 BS EN 14276-2 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
BS EN 14276-2 : 2007 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
I.S. EN 14276-2:2007 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS
BS EN 378-2:2016 Refrigerating systems and heat pumps. Safety and environmental requirements Design, construction, testing, marking and documentation
EN 14276-2:2007+A1:2011 Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements
UNE-EN 14276-2:2008 Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements

ISO 3511-1:1977 Process measurement control functions and instrumentation — Symbolic representation — Part 1: Basic requirements
ISO 3511-3:1984 Process measurement control functions and instrumentation — Symbolic representation — Part 3: Detailed symbols for instrument interconnection diagrams
ISO 4196:1984 Graphical symbols — Use of arrows
ISO 10628:1997 Flow diagrams for process plants General rules
ISO 5457:1999 Technical product documentation Sizes and layout of drawing sheets
ISO 3511-2:1984 Process measurement control functions and instrumentation — Symbolic representation — Part 2: Extension of basic requirements
ISO 3511-4:1985 Industrial process measurement control functions and instrumentation — Symbolic representation — Part 4: Basic symbols for process computer, interface, and shared display/control functions
ISO 7200:2004 Technical product documentation — Data fields in title blocks and document headers

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