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BS EN IEC 63159-2-1:2021

BS EN IEC 63159-2-1:2021

$167.15

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

Published By Publication Date Number of Pages
BSI 2021 36
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This clause of IEC 63159-1:2021 is applicable with the following exception: Addition: This document applies to electrical instantaneous water heaters designed to operate as multifunctional appliances with an electric rated power > 2 kW. This document specifies tests for the assessment of the performance.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
5 Annex ZA (normative) Normative references to international publications with their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
3 Terms and definitions
13 4 General test conditions
Tables
Table 101 – Symbols and units
15 5 Energy efficiency
6 Performance tests
6.1 Determination of classification factor CF
6.1.1 General
6.1.2 Definition of a reference instantaneous water heater
16 6.1.3 Calculation method of nominal energy consumption
6.1.4 Determination of energy demand of the sample
6.1.5 Definition of classes H and E
6.2 Determination of flow rates
6.2.1 General
6.2.2 E class water heater
17 6.2.3 H class water heater
Table 102 – Nominal values for E class water heater
Table 103 – Nominal values for H class water heater
18 6.2.4 Determination of the flow rate as a function of the pressure difference
6.3 Pressure difference on activation of the heating capacity
6.3.1 General
6.3.2 E class water heater
6.3.3 H class water heater
Table 104 – Flow pressure and flow rate for multi point appliances
Table 105 – Flow pressure and flow rate for single point appliances
Table 106 – Pressure difference and flow rate
19 6.4 Behaviour at switchon of the appliance
6.4.1 General
6.4.2 E class water heater
Table 107 – Pressure difference and flow rate
20 6.4.3 H class water heater
6.5 Behaviour following the change of the flow rate
6.5.1 General
6.5.2 E class water heater
Table 108 – Behaviour at switch on of the appliance at different temperature selector settings
Table 109 – Behaviour at switch on of the appliance at different settings
21 6.5.3 H class water heater
Table 110 – Behaviour following the change of the flow rate at different temperature selector settings
22 6.6 Behaviour following interruption of the flow
6.6.1 General
6.6.2 E class water heater
Table 111 – Behaviour following the change of the flow rate at different settings
23 6.6.3 H class water heater
Table 112 – Behaviour following interruption of the flow
Table 113 – Behaviour following interruption of the flow
24 6.7 Behaviour at constant temperature setting
6.7.1 General
6.7.2 E class water heater
6.7.3 H class water heater
6.8 Behaviour following the change of the temperature selector setting
6.8.1 General
6.8.2 Electronically controlled appliances
Table 114 – Behaviour at constant temperature setting
25 6.8.3 H class water heater
6.9 Behaviour at voltage limits
Table 115 – Behaviour following the change of the temperature selector setting at a flow rate of 50%
Table 116 – Behaviour following the change of the temperature selector setting at a flow rate of 100%
26 6.10 Additional tests for electronic instantaneous water heaters
6.10.1 General
6.10.2 Behaviour of the outlet temperature at decreasing water inlet temperature
Table 117 – Behaviour at voltage limits
27 6.10.3 Behaviour of the outlet temperature at changing water inlet temperature
Table 118 – Behaviour of the outlet temperature at decreasing water inlet temperature
Table 119 – Behaviour of the outlet temperature following the increase of the water inlet temperature
28 Annex A (normative)Load pattern
29 Annex B (normative)Test setup
Figures
Figure B.101 – Single point (vented)
30 Figure B.102 – Multi point (unvented)
31 Figure B.103 – Test setup
32 Figure B.104 – Damping device (Detail 4)
Figure B.105 – Water connection part (Detail 5)
33 Figure B.106 – Water connection part (Detail 6)
34 Bibliography

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BS EN IEC 63159-2-1:2021
$167.15