barbas Unilux-7 75, Installation And Maintenance Manual

Page: 23 / 52

6.1.3 Requirements on the chimney
• Make sure the flue system obeys the national and local applicable regulations.
• If the appliance is installed on an existing (masonry) chimney, make sure the chimney
is in good order and applicable for the appliance. Ask your dealer or chimney sweeper
for advice.
• Make sure to use an appropriate chimney adapter, to connect the flue pipe to an
existing chimney, that prevents air leakage from the fireplace surround to the existing
chimney.
• Make sure the weight of the chimney is not supported by the appliance.
• Do not connect more than one appliance to the same chimney.
• The flue system must have a temperature class designation of at least T400.
• The inner diameter of the chimney must be at least 150 mm over the total length.
• Use a steel chimney pipe with a wall thickness of at least 2 mm between the appliance
and the existing chimney.
• Do not use more than 2 bends of 45°.
• Do not use horizontal flue pipes.
• The chimney outlet must be at least 5 meter above the top of the appliance.
• The chimney outlet must be at least 40 cm above the top of a sloped roof.
• The chimney outlet must be at least 1 meter above a flat roof.
• The chimney outlet must be free from any objects (buildings, trees, etc.) within a
horizontal range of at least 5 meter.
• If applicable, make sure an existing chimney valve has a free opening of minimum 12
% of the total area of the chimney, when closed.
• Make sure your fire insurance policy covers any damage caused by a chimney fire.
6.2 Installation in an existing open fireplace
6.2.1 Preparation
1. Remove the existing fire basket and any other parts in the open fireplace.
2. Make sure the floor of the open fireplace is flat and not damaged.
3. Make sure the inner walls of the open fireplace are not damaged.
4. Put a layer of ceramic wool against the inner walls of the fireplace opening. Refer to
chapter
5.1
for specifications.
5. Put an appropriate chimney adapter on the existing chimney.
Installation
Unilux-7 75 23