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BS EN IEC 63159-1:2021

BS EN IEC 63159-1:2021

$142.49

Household electric instantaneous water heaters. Methods for measuring the performance – General aspects

Published By Publication Date Number of Pages
BSI 2021 28
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This document applies to electric instantaneous water heaters for domestic hot water heating for household and similar applications, which show both of the following characteristics: – fulfilling at least one load pattern from Annex A; – heating up to temperatures below the boiling temperature. This document specifies terms, definitions and measurement methods for the assessment of energy efficiency. This document does not take into account requirements regarding the safety of the appliances.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
8 FOREWORD
10 1 Scope
2 Normative references
3 Terms and definitions
12 4 General test conditions
4.1 Measurement equipment
13 4.2 Number of appliances to be tested
4.3 General conditions
Tables
Table 1 – Measurement equipment accuracy
14 4.4 Test setup
5 Energy efficiency
5.1 Test methods
5.1.1 General
5.1.2 Static efficiency
15 5.1.3 Start-up losses
16 5.2 Calculation methods
5.2.1 General
5.2.2 Daily energy demand
5.2.3 Efficiency calculation
17 6 Performance tests
18 Annex A (normative)Load pattern
19 Table A.1 – Water heater load patterns (reference test tapping patterns) 3XS to S
20 Table A.2 – Water heater load patterns (reference test tapping patterns) M to XL
21 Table A.3 – Water heater load patterns (reference test tapping patterns) XXL to 4XL
22 Annex B (normative)Test setup
Figures
Figure B.1 – Test setup for open outlet instantaneous water heater
23 Figure B.2 – Test setup for closed instantaneous water heater
24 Figure B.3 – Temperature sensor water connection part
25 Figure B.4 – Example of a thermocouple feed through
26 Bibliography

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BS EN IEC 63159-1:2021
$142.49