UK/IRL
3.2 Flue requirements
The appliance is of the type C11/C31. The appliance will need to be supplied with the approved flue pipes and terminal, it is not possible to supply your own.
The minimum effective height of the flue system must be 0.5 or 1 meter, depending on the appliance.
Terminal locations, through the wall as well as through the roof. See figure 3.
Flue routing;
-a horizontal extension with elbows is allowed for a maximum of 6 meters (depending on the type and situation).
-vertical max. 12 meters.
Determine on the base of the table 2 and 3, depending on the type and terminal position, if the desired situation is possible.
To establish this you will need to calculate:
-The effective height (this is the real difference in height between the upper side of the appliance and the terminal).
-The total horizontal extension. This is the total horizontal flue length where:
•each elbow, which is in the horizontal area, counts for 2 meters.
•each
•elbows and bends at the transition of horizontal to vertically are not to be counted.
•the wall mounted terminal counts for 1 meter.
UK/IRL
Flue restrictor
If applicable, in the table is also stated the size of a flue restrictor. This restrictor needs to be fitted in the combustion chamber when placing the appliance ( see chapter 4.2). Normally the smallest flue restrictor is fitted.
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