Intergas Heating Ltd
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9.1.4 Combustion
The combustion for this appliance has been checked, adjusted and preset at the
factory for operation on the gas type defined on the appliance data plate. Do not
adjust the air/gas ratio valve.
Having checked:
•
That the boiler has been installed in accordance with these instructions;
•
The integrity of the flue system and the flue seal, as described in § 8.4 and the
British Standards codes of practices, specifically BS 5440;
•
The integrity of the boiler combustion circuit and the relevant seals, as descibed in
§ 0 eg. with a flue spillage mirror;
proceed to put the boiler into operation as follows:
1. Set up the boiler to operate at maximum rate as described in § 10.7.
2. With the boiler operating in the maximum rate condition check that the CO
2
percentage measuered at sampling point (X) complies with the requirements as
described in the table under § 10.8.
Ensure that this inlet pressure can be obtained with all other gas appliances in
the property working.
9.1.5 Flue system
The flue system must be connected correctly to the appliance in accordance with the
manufacturer’s instructions. The flue termination should also be checked. Where
suitable access for a visual inspection of an existing flue system has not been
provided the appliance must not be commissioned and it must be disconnected from
the gas supply.
Allow 15mm of white tube externally to ensure the black external sealing ring is fitted
correctly.No white parts of the flue pipe should be visible externaly. Correct fitting of
the flue seal as shown in the flue fitting instruction included in the flue package.
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