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BS EN 13203-7:2022

BS EN 13203-7:2022

$142.49

Gas-fired domestic appliances producing hot water – Assessment of energy consumption of combination boilers equipped with a passive flue heat recovery device

Published By Publication Date Number of Pages
BSI 2022 30
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This document is applicable to gas-fired appliances producing domestic hot water. It applies to condensing combination boilers with passive flue heat recovery device (PFHRD) that have: – a heat input not exceeding 400 kW; – a hot water storage tank capacity (if any) not exceeding 2 000 l; – a declared load profile between M to 4XL. In the case of combination boilers, with or without storage tank, domestic hot water production is integrated or coupled, the whole being marketed as a single unit. For this document, some tests and calculation results of EN 13203-2:2022 are used to calculate the energy consumptions.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 General test conditions
4.1 Reference condition
4.2 Measurement uncertainties
4.2.1 General
4.2.2 Steady-state conditions
4.3 Test conditions
4.3.1 General
4.3.2 Test room
4.3.3 Water supply
11 4.3.4 Initial adjustment of the appliance
4.3.5 Conditions for the determination of the maximum load profile
4.3.6 Electrical supply
5 Determination of applicability of the present standard
13 6 Determination of the energy consumption of the appliances with PFHRD
6.1 General
6.2 Load profiles
6.3 Calculation of gas energy
6.3.1 Determination of the daily gas energy consumption in summer mode (Qgas,s)
14 6.3.2 Determination of the indirect PFHRD contribution (Qgas,i)
6.3.2.1 General
6.3.2.2 Short test method
17 6.3.2.3 24 h test method
20 6.3.2.4 Calculation of the stored gas energy content of the indirect heat contribution over 24 h cycle
6.3.3 Daily gas energy consumption
21 7 Eco design related products data
7.1 Water heating energy efficiency
7.2 Smart control factor (SCF) and smart
7.3 Annual fuel consumption (AFC)
22 7.4 Annual electricity consumption (AEC)
7.5 Mixed water at 40 °C (V40) for storage water heaters
23 Annex A (informative)Test conditions
24 Annex B (informative)Examples of test rig and measurement devices
25 Annex C (informative)Declaration of the Maximum Load Profile
26 Annex D (informative)Efficiency Performance Buildings calculations
D.1 General
D.2 Determination of the central heating gas consumption in the test (Qgas,CH,test)
D.2.1 Short test method
27 D.2.2 24 h test method

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BS EN 13203-7:2022
$142.49