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7.7.Connecting the appliance to the exhaust flue
7.7.1. In order to remove all gas combustion products and to ensure safe operation of the appliance the following
requirements to the exhaust flue and flue pipe, connecting the exhaust flue with the appliance should be fulfilled:
- the exhaust flue should be air-tight and resistant to the heating load and impact of combustion products
It is not allowed to use ventilation channels to remove the combustion products;
- Draught in the exhaust flue should vary from 1,96 up to 29,40 Pа (see table 1 page 4);
- Flue pipe's material should be corrosion- resistant, nonflammable and sustain durable operation at the
temperature up to 200 С. The recommended materials are: stainless steel, zinc-plated and enameled steel,
aluminum, copper with wall thickness at least 0,5 mm;
- The flue pipe must have an inner diameter not less than 125 mm;
-Length of the vertical part of the flue pipe from the appliance must be at least 500 mm;
-Length of the flue pipe from the vertical part to the exhaust flue must be not more than 2 m;
- The flue pipe should have a slope of not less than 2 up in the direction of the link-up point with the exhaust flue
and minimal number of turns (not more than three)
- The flue pipe and its connection with the appliance must be air-tight; connecting the pipe with the appliance
-
should be performed in accordance with the scheme 7.
7.7.2. Variant of connecting appliance to the exhaust flue is represented on the scheme 8.
Correct
Ø 122,6
1 – flue pipe; 2 – appliance's gas removal device hose;
3 - heat-resistant sealant; 4- aluminum heat-resistant tape
Scheme 7. Scheme of connecting the flue pipe to the appliance
Scheme 8. Connecting the appliance to the exhaust flue
Technical staff manual
Wrong
The end of the flue pipe is
too close to the opposite side
of the exhaust flue.
There is an aperture on the
level of flue pipe connection
(including another device
connected to it).
Two devices have one
connection to the exhaust flue .
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