La Nordica TermoCamino 650 Piano [19/60] Chimney cap

TERMOCAMINO 650 - 800

6098000 - IT-EN-DE-FR 19

A too small section causes a decrease of the draught. It is suggested a minimum height of 4 m.

The following features are forbidden and therefore they endanger the good operation of the device: asbestos cement, galvanized steel,

rough and porous internal surfaces. In Picture 4 at page 46 gives some examples of execution.

The minimum section must be 4 dm

2

(for example 20 x 20 cm) for devices whose duct diameter is lower than 200 mm or 6.25 dm

2

(for example 25 x 25 cm) for devices with diameter greater than 200 mm.

openings on the same for the connection of further other devices (Picture 5 at page 47 ).

5.1. CHIMNEY CAP

The draught of the ue depends also on the suitability of the chimney cap.

Therefore, if it is handicraft constructed, the output section must be more than twice as big as the internal section of the ue.

Should it be necessary to exceed the ridge of the roof, the chimney cap must assure the discharge also in case of windy weather

(Picture 6 at page 47 - Picture 7 at page 48).

The chimney cap must meet the following requirements:

• have internal section equivalent to that of the stack.

• have a useful output section twice as big as the ue internal one.

• be manufactured in such a way as to prevent the penetration of rain, snow, and any other foreign body in the ue.

The exhaust pipe must be air-tight fastened to the stack and can have a maximum inclination of 45°; this to avoid excessive deposits of

condensate produced in the initial start-up phases and/or the excessive gripping of soot and moreover it avoids the slowing down of the

smokes at output. The failed tightness of the connection can cause the malfunction of the device.

The internal diameter of the connection pipe must be equal to the external diameter of the smokes stub pipe of the device. This is assured

by the pipes complying with DIN 1298. The depression in the stack should be 17-20 Pascal (=1.7-2 mm of column of water).

The measurement has always to be carried out with hot device (rated thermal performance). When the depression exceeds 20 Pa (=2 mm

of column of water), it is necessary to reduce the same by installing an additional draught regulator (buttery valve).

IMPORTANT: When using metallic pipes, they must be insulated with proper materials (coatings in insulating bers resistant up

to 600°C) in order to avoid deterioration of walls or of the counter-hood.

It is necessary to ventilate continuously the space included between the upper part, the sides of the device and the deector of the re-

In this way, the following targets are achieved:

• a greater safety

• an increase of the heat created by air circulation around the device.

ATTENTION: We recommend making the counterplate in re-retardant plasterboard with self-supporting metal frame, so that its weight

The heat vent grating (Picture 8 at page 49 pos. 6) has to be installed on the upper part of the hood at about 20 cm from the roof. This must

always be installed since its function is that of letting the heat collected within the hood (overpressure) ow out into the room.

5.3. EXTERNAL AIR INTAKE

Minimum dimensions (Picture 11 at page 50):

external air intake for the stack, if present (*B1);

150 cm