INSERTO Crystal 50 - 50v - 50v p30 - 70 - 80 - 100 - ofenseite.com
INSERTO Crystal 50 - 50v - 50v p30 - 70 - 80 - 100 - ofenseite.com
INSERTO Crystal 50 - 50v - 50v p30 - 70 - 80 - 100 - ofenseite.com
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<strong>INSERTO</strong> <strong>Crystal</strong> <strong>50</strong> – <strong>50</strong>v – <strong>50</strong>v <strong>p30</strong> – <strong>70</strong> – <strong>80</strong> – <strong>100</strong><br />
APERTO<br />
OPEN<br />
AUF<br />
CHIUSO<br />
CLOSED<br />
ZU<br />
Picture 15<br />
7. CONNECTION TO THE FLUE / AIR FOR COMBUSTION (air intake)<br />
The connection to the stack must be performed with stiff pipes in aluminized steel with a minimum thickness of 2 mm<br />
or in 316 stainless steel with a minimum thickness of 1 mm.<br />
It is forbidden to use metallic pipes or pipes in asbestos cement since they jeopardize the safety of the fitting<br />
itself, considering that they are subject to tears or breaks resulting in leaks of smoke.<br />
The exhaust pipe must be air-tight fastened to the stack and can have a maximum inclination of 45°; th is to avoid<br />
excessive deposits of condensate produced in the initial start-up phases and/or the excessive deposit of soot and<br />
moreover it avoids the slowing down of the smokes at output.<br />
The failed tightness of the connection can cause the malfunction of the appliance.<br />
The internal diameter of the connection pipe must be equal to the external diameter of the smokes stub pipe of the<br />
appliance. This is assured by pipes <strong>com</strong>plying with DIN 1298.<br />
The depression to the stack should be 12 - 14 Pa (=1.2 – 1.4 mm of column of water).<br />
The measurement has always to be carried out with hot appliance (rated<br />
thermal performance).<br />
When the depression exceeds 17 Pa (1.7 mm of column of water), it is<br />
necessary to reduce the same by installing an additional draught<br />
regulator (butterfly valve).<br />
IMPORTANT: When metallic pipes are used, these pipes must be<br />
insulated with suitable materials (coatings in insulating fiber<br />
resistant) in order to avoid tears of walls or of the counter-hood.<br />
Before positioning the insert in the pre-existing fireplace, it is necessary to<br />
close the upper internal part of the stack using (properly pre-drilled) sheet<br />
metal or any other kind of fire-resistant material that can support very high<br />
temperatures without suffering any damage. (see Picture 16)<br />
It is necessary that the space included between the upper part, the sides<br />
of the appliance and the deflector of fire-proofing material of the hood<br />
(obstructing the base of the flue), is constantly ventilated.<br />
For this reason, it is necessary to foresee an intake of air from the<br />
bottom (intake of fresh air) and a high output (output of hot air).<br />
Each of these openings must be free and it should not be possible to<br />
obstruct it; moreover, they must have a minimum surface of at least 3 dm 2<br />
(example: 30 x 10 cm grating).<br />
In this way, the following targets are achieved:<br />
• a greater safety<br />
• an increase of the heat created by the air circulation around the<br />
appliance.<br />
(1) Closure of the existing duct with sheet<br />
metal, bricks, mineral wool panels or fireresistant<br />
materials.<br />
(2 Grating<br />
(3) Connection<br />
duct<br />
(4) duct<br />
(5) Air intake grating<br />
Min. distance between coating and<br />
INSERT rear and lateral: <strong>INSERTO</strong> <strong>50</strong>-<br />
<strong>50</strong> VERT.-<strong>70</strong>-<strong>80</strong> = 6 cm<br />
<strong>INSERTO</strong> <strong>100</strong> = 8 cm<br />
Picture 16<br />
The heat vent grating (Picture 17 pos. 6) has to be installed on the upper part of the hood at about 20 cm from the<br />
roof. This must always be installed since its function is that of letting the heat collected within the hood<br />
(overpressure) flow out into the room.<br />
22 6096<strong>80</strong>1 – EN