BS EN 89:2015 pdf download.Gas-fired storage water heaters for the production of domestic hot water.
BS EN 89 defines the specifications and lest methods for the construction, safety, rational use of energy and fitness for purpose, environment and classification and marking of gas-fired storage water heaters for domestic hot water uses, hereafter called apphanc&.
This European Standard applies to appliances:
— of selected types B., B, B3, B5, C1, C2. C3 C4, C5. C, C7, C8, C, according to CENJTR 1749:
— fitted with atmospheric burners:
— using one or more combustible gases corresponding to the three gas families and the pressures indicated in EN 437;
— of nominal heat input not exceeding 150 kW (net calorific value);
— fitted with electrically operated mechanical flue dampers that are positioned downstream of the heat exchanger.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies
EN 88-1 :2011 • Pressure regulators ai,ci associated safety devces for gas appliances — Part 1: Pressure regulators for inlet pressures up to and including 50 kPa
EN 125. Flame supervision devices for gas burning appliances — Thermoelectric flame supervision devices
EN 126. Multi’functional controls for gas bumng appliances
EN 161. Automatic shut-off valves for gas burners and gas appliances
EN 298:2012, Automatic burner control systems for burners and appliances burning gaseous or liquid fueis
EN 437, Test gases — Test pressures — Appliance categories
EN 513, Unplaslicized polyvinyichioride (PVC-U) profiles for the fabrication of windows and doors — Determination of the resistance to artificial weathering
EN 549. Rubber materials for seals and diaphragms for gas appliances and gas equipment
4 Classification of storage water heaters
4.1 General
Storage watec heaters are clas&fied:
into categones, according to the gases capable of being used, as given in EN 437;
— Into types, according to the modes of supply of the combusbon air and evacuation of the combustion
products.
4.2 Classification of gases
The gases are classified according to EN 437.
4.3 Appliance categories
Appliances are dassified into categories defined according to the gases and pressures foi wtiich they are
designed and in accordance to EN 437.
4.4 Mode of supply of the combustion air and evacuation of the combustion products
(appliance types).Download BS EN 89 pdf.
BS EN 89:2015 pdf download
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