I.S. EN 308:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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HEAT EXCHANGERS - TEST PROCEDURES FOR ESTABLISHING PERFORMANCE OF AIR TO AIR AND FLUE GASES HEAT RECOVERY DEVICES
Hardcopy , PDF
03-05-2022
English
01-01-1997
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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Introduction
1 Scope
2 Normative references
3 Symbols and subscripts
4 Definitions
4.1 Heat recovery device
4.2 Mass flows
4.3 Ratios
4.4 External leakage
4.5 Internal leakage
4.6 Internal exhaust air leakage
4.7 Carry-over air flow
4.8 Reference conditions
4.9 Pressure
5 General requirements
5.1 Heat recovery device
5.2 External leakage
5.3 Internal exhaust air leakage
5.4 Carry-over
5.5 Temperature and humidity ratios
5.6 Pressure drop
6 Test procedures and accuracy requirements
6.1 External leakage test
6.2 Internal exhaust leakage test (categories 1 and IIa)
6.3 Carry-over test (category III)
6.4 Ratio tests (see figure 3)
6.5 Pressure drop tests (see figure 3)
6.6 Heat balance
7 Test report
7.1 Heat recovery device
7.2 External leakage
7.3 Internal exhaust air leakage
7.4 Carry-over
7.5 Temperature and humidity ratios
7.6 Pressure drop: for standard air
7.7 Other indications
Provides methods to be used for laboratory testing of air-to-air heat recovery devices or those recovering heat from flue gases of heating appliances in buildings to obtain rating data.
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF EN 308 : 1997 | Identical |
| BS EN 308:1997 | Identical |
| NBN EN 308 : 1997 | Identical |
| NS EN 308 : 1ED 1997 | Identical |
| UNI EN 308 : 1998 | Identical |
| SN EN 308 : 1997 | Identical |
| NEN EN 308 : 1997 | Identical |
| EN 308:1997 | Identical |
| UNE-EN 308:1997 | Identical |
| ONORM EN 308 : 1997 | Identical |
| DIN EN 308:1997-06 | Identical |
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