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BS EN 50440:2015

BS EN 50440:2015

$142.49

Efficiency of domestic electrical storage water heaters and testing methods

Published By Publication Date Number of Pages
BSI 2015 28
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This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use.

The object is to state and define the principal performance characteristics of electric storage water heaters and to describe the test methods for measuring these characteristics.

NOTE 1

This standard does not apply to;

  • storage water heaters that use electricity as a secondary source of heating the water;

  • storage water heaters that do not use a tank to storage hot water;

  • electric storage water heaters that do not meet the minimum (or maximum) output performance of the smallest (or biggest) load profile, as defined in Table 4.

NOTE 2

This standard does not specify performance or safety requirements. For safety requirements see EN 60335‑1 in conjunction with EN 60335‑2‑21 .

PDF Catalog

PDF Pages PDF Title
6 1 Scope
2 Normative references
3 Terms and definitions
7 4 Symbols and Units
8 5 Calculation of the electrical energy efficiency (elecwh)
6 Measured parameters
7 General conditions for measurements
9 8 Reference conditions
11 9 Test procedures
9.1 Standard Test Procedure
9.1.1 Introduction
9.1.2 Installation
13 9.1.3 Stabilisation
14 9.1.4 Storage volume
9.1.5 Filling and heat-up
15 9.1.6 Stabilisation at zero-load
9.1.7 Tapping
9.1.8 Reporting of Qelec
16 9.1.9 Re-stabilisation at zero-load
9.1.10 Mixed water quantity delivered at 40 C
17 9.2 Smart Control Test procedure
9.2.1 Measurement procedure
9.2.2 Installation
9.2.3 Stabilisation
9.2.4 Filling and heat-up
18 9.2.5 Stabilisation before reference period
9.2.6 Reference period
19 9.2.7 Smart period
20 9.2.8 Reporting of “Smart Control Factor”
9.2.9 WHL control cycle
10 Data Report
21 Annex A (normative) Calculation of the specific energy efficiency and of the Annual Consumption of electric energy
A.1 Symbols and Units
A.2 Calculation of the Specific Energy Efficiency
22 A.4 Data Report
23 Annex ZZA (informative)
24 Annex ZZB (informative)
25 Bibliography

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BS EN 50440:2015
$142.49