Protherm Tiger 24 (12) KTZ Operating And Installation Manual - page 21
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The manipulation (free) space left around
the boiler must be sufficient for a person
to work on it safely with bare hands and
with common hand tools. Recommended
distances are min. 300 mm from each side
and min 600 mm in front of the boiler).
Boilers are delivered independently, their
accessories are delivered separately (see
next section “Content of delivery”). Boilers
must be installed with the essential acces-
sories (e.g. combustion gas flues, air sup-
ply ducts) to ensure their functionality and
proper operation.
In the case of 24 (12) KTZ combustion
gases must be removed and fresh air sup-
plied through a special for this purpose
designed dual tubing. Practically any re-
quired dual-tube route can be constructed
from standard components supplied by
the manufacturer. The flue route must be
constructed in such a way that condensed
water vapour contained in the combustion
gases can be removed from the tubing.
This is achieved by using special com-
ponents which can be built into the flue
route. Problems caused by condensate
penetration are not covered by the boiler’s
warranty. Due to the considerable variety
of particular solutions, the dual tubing is
not part of the boiler delivery and is not
included in the price. Principles for route
design and construction are described in
chapter Air supply and flue gases remo-
val.
Type 24 (12) KOZ is designed for flue re-
moval via a chimney (through a chimney
duct) with a minimal constant draught of 2
Pa. The boiler is connected to the chimney
using a flue duct of dimensions correspon-
ding to the boiler throat. It is forbidden to
place into the flue duct an objects obstruc-
ting the flow of combustion gasses (e.g.
various heat exchangers for utilization of
residual heat). The flue duct is not part of
the boiler delivery.
The flue duct and chimney must be con-
structed in accordance with STN 06 1610
and STN 73 4201. By complying with prin-
ciples set out in respective standards you
will prevent undesirable effects like exces-
sive combustion gas cooling, penetration
of moisture into walls, variable chimney
draught, including undesirable influence
on boiler operation. The boiler consumes
combustion air from the area in which it is
located. This area must comply with all re-
quirements on combustion air. The supply
and sufficient quantity of combustion air
must be solved in compliance with valid
regulations.