I.S. EN 625:1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GAS-FIRED CENTRAL HEATING BOILERS - SPECIFIC REQUIREMENTS FOR THE DOMESTIC HOT WATER OPERATION OF COMBINATION BOILERS OF NOMINAL HEAT INPUT NOT EXCEEDING 70 KW
Hardcopy , PDF
16-08-2014
English
01-01-1996
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Combination boiler
3.2 'Summer' operating mode
3.3 Specific rate
3.4 Nominal domestic hot water heat input
3.5 Maximum water service pressure
3.6 Tank
3.7 Thermal store
3.8 Temperature relief valve
3.9 Proportional control of the domestic hot water
operation
3.10 Thermostatic control of the domestic hot water
operation
3.11 Temperature holding thermostat
4 Constructional requirements
4.1 Materials and method of construction of
components of the domestic water circuit
4.2 Domestic water connections
4.3 Soundness of the domestic water circuit
4.4 Adjusting, control and safety devices for the
domestic hot water circuit
5 Operational requirements
5.1 General
5.2 Safety of the domestic hot water circuit
5.2.1 Instantaneous and storage types
5.2.2 Instantaneous type
5.2.3 Storage type
5.3 Rational use of energy
5.3.1 Useful efficiency
5.3.2 Losses
5.4 Fitness for purpose
5.4.1 Instantaneous and storage types - Specific rate
5.4.2 Instantaneous type
6 Test methods
6.1 General
6.1.1 Adjustment of the domestic water pressure
6.1.2 Operation of the boiler
6.2 Safety of the domestic hot water circuit
6.2.1 Instantaneous and storage types
6.2.2 Instantaneous type
6.2.3 Storage type
6.3 Rational use of energy
6.3.1 Useful energy
6.3.2 Losses
6.4 Fitness for the purpose
6.4.1 Instantaneous and storage types - Specific
water rate
6.4.2 Instantaneous type
7 Marking and instructions
7.1 Data plate of the boiler and/or the tank
7.2 Instructions
7.2.1 Technical instructions for the installer
7.2.2 Operating instructions for the user
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other provisions
of EU Directives
Figure
1 Illustration of the test tank rig (see 6.3.2.1.3a)
Specifies the supplementary requirements and tests for the construction, safety, rational use of energy, fitness for purpose, classification and marking related to the domestic hot water operation of combination boilers.
| DevelopmentNote |
Superseded by I.S. EN 15502-2-2 but remains current until 2017. (08/2014)
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NF EN 625 : 1995 | Identical |
| UNE-EN 625:1996 | Identical |
| NEN EN 625 : 1995 | Identical |
| SN EN 625 : 1996 | Identical |
| NS EN 625 : 1ED 1995 | Identical |
| BS EN 625:1996 | Identical |
| UNI EN 625 : 1996 | Identical |
| EN 625:1995 | Identical |
| NBN EN 625 : 1995 | Identical |
| DIN EN 625:1995-10 | Identical |
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