3 Technical specifications
Tab.4 In IE the following Code of Practice apply:
Standard Scope
IS 813 Domestic Gas Installations.
The following standards give valuable additional information:
BS 5546 Installation of hot water supplies for domestic purposes.
BS EN
12828
Heating systems in buildings.
BS EN
12831
Heating systems in buildings — Calculation of load.
BS EN
14336
Installation & commissioning of water based heating sys
tems.
BS 7074 Expansion vessels and ancillary equipment for sealed wa
ter systems.
BS 7593 Treatment of water in domestic hot water central heating
systems.
3.2 Technical data
Tab.5 Technical settings for combination heaters with boilers
3.2.1 Technical information
Important
All data in these sections are nominal and subject to normal pro
duction tolerances.
BS 7074 Expansion vessels and ancillary equipment for sealed wa
ter systems.
BS 7593 Treatment of water in domestic hot water central heating
systems.
BS 4814 Specification for Expansion Vessels using an internal dia
phragm, for sealed hot water systems.
IGE/UP/
7/1998
Guide for gas installations in timber framed housing.
Standard Scope
&RPEL 30&RPEL
&RQGHQVLQJERLOHU <HV <HV
/RZWHPSHUDWXUHERLOHU
1R 1R
%ERLOHU 1R 1R
36&RPEL
<HV
1R
1R
600 Combi 2 13
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