European Committee for Electrotechnical Standardization

Electrical equipment for furnaces and ancillary equipment - Part 1: Requirements for application design and installation
 N EN 50156-1

Annotation

This European Standard applies to the application design and installation of electrical equipment, control circuits and safety-related systems for furnaces which are operated with solid, liquid or gaseous fuels and their ancillary equipment. It specifies requirements to meet the operating conditions of furnaces, to reduce the hazards of combustion and to protect the heated systems from damage e.g. by overheating.

Such furnaces and the electrical equipment may be part by way of example of the following plant:

a) water heating systems;

b) steam boiler installations (steam and hot-water boilers) and heat recovery steam boilers;

NOTE 1 The requirements of this standard apply according to the electrical equipment of electrically heated steam boilers.

NOTE 2 Seagoing vessels and offshore facilities are governed by International Maritime Law and as such are not within the scope of this standard. These requirements may be used for such facilities.

c) warm air heaters;

d) hot-gas heaters;

e) heat exchanger systems;

f) combustion chambers of stationary turbines;

g) as long as no other standard is applicable for combined heat and power stations, we recommend the use of the requirements of this standard;