MCZ FORMA WOOD 75 DX-SX, Инструкция по использованию и установке

Страница: 10 / 30

FORMA WOOD CLOSED FIREPLACE Chapter 2
USE AND MAINTENANCE MANUAL
page
10
Theoretical recommendations for installation Technical dept. - All rights reserved by MCZ Group S.p.A. - Reproduction prohibited
2.5.1.
Flue pipe examples
For square- or rectangular-section flue pipes, the internal corners
should be rounded with a radius of no less than 20mm. For the
rectangular cross-section, the ratio between the internal dimensions
should be ≤ 1.5.
The sections/lengths of the flue pipe shown in the technical data table
are guidelines for correct installation. Any alternative configurations
must be suitably sized in accordance with EN13384-1.
You are advised to fit a chamber to the smoke duct to collect solid
materials located beneath the mouth of the smoke duct. This chamber
should be easy to open and inspect from an airtight flap.
IMPORTANT!
If you have doubts about the performance of your flue pipe
or if the dimensions of the pipe differ from the
recommended values, it is highly advisable to have an
authorised MCZ fitter perform a prior survey and
instrumental measurement of the performance of the flue
pipe (measurement with micro pressure gauge)
MCZ s.p.a. cannot be held liable for closed fireplace
malfunctions caused by the use of a poorly sized flue pipe
installed in a way that does not comply with the requisites
listed herein.
AISI 316 steel flue pipe
with double chamber
insulated with ceramic fibre
or similar, resistant to
400 °C.
EXCELLENT
Refractory flue pipe with
insulated double chamber and
external concrete jacket
lightened with honeycomb
material such as clay.
GOOD
Traditional square-section
clay flue pipe with empty
insulating inserts.
GOOD
Avoid flue pipes with rectangular
cross-sections where the larger
side is twice the smaller one,
such as 20x40 or 15x30.
MEDIOCRE