1 Introduction
1 INTRODUCTION
1.1 Safety instructions
The systems manufactured by KWB GmbH are state-of-the-art and satisfy the applicable safety regulations. Boiler
and fuel supply operate with electrical power. Improper installation can mean life-threatening danger. Heating
boilers are firing systems and are a hazard source if not handled properly. Therefore installation, commissioning and
service should only be executed by sufficiently qualified specialists in compliance with all applicable regulations
and the manufacturer’s instructions. Knowledge of the operating and maintenance manual is the prerequisite for
performing these tasks.
Strictly comply with all instructions with this symbol.
Compliance with these instructions prevents personal injury and damage to the system!
1.2 Warranty
The manufacturer’s warranty specifies proper installation and commissioning of the boiler system as the prerequisite.
Defects and damage due to improper installation, commissioning and operation are excluded from the warranty.
The manufacturer’s instructions must be complied with to ensure proper system function. In addition, only original
parts, or parts expressly approved by the manufacturer, should be installed in the system.
1.3 Structural prerequisites
When establishing the structural prerequisites the locally applicable legal construction permits, building, and
execution guidelines, as well as the dimension specifications in the installation guidelines (see section 17),
installation examples, and technical data must be complied with! Compliance with the locally applicable guidelines,
and proper execution of the structural measures lies solely within the system owner’s sphere of responsibility
and such compliance is the prerequisite for the warranty. KWB does not accept any liability, nor does it offer any
warranties for any type of constructional measures. Without laying claim to an exhaustive treatment of the issue
at hand and without suspension of any conditions imposed by the authorities, based on the Austrian directive
TRVB H 118 and ÖKL technical bulletin No. 56 and No. 66, we recommend the configurations described below.
1.3.1 Boiler room requirements
Concrete flooring, plain or tiled; height-adjustable
boiler feet or shims can be used to compensate minor
unevenness. All materials for floors, walls, ceilings must
be fire resistant F90; (see Table 1) fire protection doors
(T30) executed as automatically closing doors that open
in the direction of escape, connection door to the fuel
storage room executed as an automatically closing fire
door (T30), boiler room windows, non-opening G30;
non-closing air intake opening 5 cm² per kW fuel thermal
output of the heating system, however at least. 400 cm².
For boiler output > 60 kW it is necessary to provide one
ventilation opening near the floor and another ventilation
opening near the ceiling; the supply-air ducting must be
routed directly into the open; if it crosses other rooms,
the air duct must feature an F90 envelope; a protective
grille with a mesh width < 5 mm must be fitted on
the outside of ventilation openings to the outside.
Permanently installed lighting and electrical supply
line to the heating system; light switch and marked
stop switch ( emergency-stop) for the heating system
in an easily accessible location outside the boiler room
near the boiler room door. A portable fire extinguisher
(6 kg filling weight, EN3 standard) must be installed
outside the boiler room near the boiler room door. The
boiler room as well as water lines and district heating
pipes must be frost resistant. No storage of flammable
materials in the boiler room outside the boiler system,
storage container or hopper; no direct connection to
rooms where flammable gases or liquids (garage) are
stored.
MA-Easyfire 10.2008_EN.indd 9MA-Easyfire 10.2008_EN.indd 9 30.03.2009 13:29:43 Uhr30.03.2009 13:29:43 Uhr
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