BS 6332-6:1990

This standard BS 6332-6:1990 Thermal performance of domestic gas appliances is classified in these ICS categories:

• 97.100.20 Gas heaters

This Part of BS 6332 specifies the thermal efficiency requirements and associated methods of test for gas-fired appliances consisting of a fanned-circulation ducted-air heater of rated heat input not exceeding 60 kW¹⁾ combined with a circulator of rated heat input not exceeding 8 kW¹⁾. The combined appliance is usually of integral construction, the circulator being fitted inside the air heater casing.

It also covers fanned-circulation ducted-air heaters which are designed to be fitted with circulators, as a purchaser’s option.

This standard only applies to circulators intended for use as an integral part of the combined appliance. Circulators intended for independent use are covered by BS 6332-1.

This Part covers appliances of the following categories, as described in A.1.3 of BS 4947:1984:

I_T, I_N, I_L/P;

II_TN, II_NL, II_NL/B, II_NL/P;

III, III_TNL/B, III_TNL/P;

and of the following types, as defined in BS 1179-6:1980:

type B: open-flued appliances;

type C: room-sealed appliances;

type C₁: balanced-flue appliances;

type C₂: Se-duct appliances.

This Part is only applicable to the appliances listed above that comply with BS 5258-9.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Thermal efficiency requirements and associated methods of test for appliances of rated heat input not exceeding 60 kW combined with a circulator of rated heat input not exceeding 8 kW and burning 1st, 2nd and 3rd family gases.