1 Scope
This standard specifies the requirements and methods of test for the construction,
safety, rational use of energy, classification and marking of 2nd and 3rd family gas-fired
domestic radiant convector heating appliances not exceeding a nominal heat input of 15 kW based on the net calorific value and which incorporate a natural draught burner.
This standard applies to open-flued independent radiant/convector gas fires not connected
directly or by means of an adapter to an open flue. The appliance and flue are separated
by a void which can be in one or more of the following forms:
-
• fireplace recess;
-
• builder’s opening;
-
• metal flue box to BS 715;
-
• pre-cast flue to BS EN 1858.
The void is covered by a closure plate, which may be an integral part of the appliance, or a separate plate; in either case
it is regarded as a part of the appliance and is supplied with it. These appliances
are designed to discharge their products of combustion into the void behind the closure plate; they also have an integral flue break which may be in the form of a draught diverter or an open front.
Although all appliances covered by this standard are radiant/convectors, they have
traditionally been divided into the following types:
-
• radiant/convectors;1)
-
• live fuel effect (LFE);1)
-
• inset live fuel effect (ILFE);1)
NOTE An inset live fuel effect fire with a top outlet flue spigot that is directly connected to the flue is not within the scope of this standard.
This document does not apply to the following:
-
• decorative fuel effect appliances;
-
• catalytic combustion appliances;
-
• appliances in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means;
-
• appliances which permit automatic ignition whilst unattended.
This standard is only intended for type testing.