Gas connection – CDA HCG 931 User Manual
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Gas Connection
The installation of the gas appliance to Natural Gas or LP Gas must be carried out by a suitably
qualified and registered installer. Installers shall take due account of the provisions of the relevant
British Standards Code of Practice, the Gas Safety Regulations and the Building Standards (Scotland)
(Consolidation) Regulations issued by the Scottish Development Department.
Installation to Natural Gas
Installation to Natural Gas must conform to the Code of Practice, etc.
The supply pressure for Natural Gas is 20 mbar.
The installation must conform to the relevant British Standards.
Installation to LP Gas
When operating on Butane gas a supply pressure of 28-30 mbar is required. When using Propane gas a
supply pressure of 37 mbar is required.
The installation must conform to the relevant British Standards.
CDA are not legally able to provide any assistance in the installation of gas appliances except to suitably
qualified and registered installers. Any suitably qualified and registered fitter requiring help must provide
name, address and registration number.
Information supplied will be validated before help is provided.
Warning:
Only a suitably qualified and registered installer, also with technical knowledge of electricity
should install the appliance. He should observe the Regulations and Codes of Practice governing
such installation of gas appliances.
Note: It is recommended that the gas connection to the appliance is installed with a flexible
connecting tube made to BS5386.
Notes:
– Flexible hoses can be used where the sited ambient temperature of the hose does not exceed
70°C. These hoses must be manufactured in accordance with BS669 part 1 and be of the
correct construction for the type of gas being used.
– Gas hoses designed for natural gas MUST NOT be used for supplying LPG gas (LPG gas hoses
can be identified by a either a red band or stripe on the rubber outer coating of the hose).
The hose should not be crushed or trapped or be in contact with sharp or abrasive edges.