10
4. Placing and installation
4.1 Regulations and instructions
The furnace for solid fuels can be installed by a company with a valid authorization to perform its
installation and maintenance. For installation a project in accordance with valid regulations must be
executed.
The heating system must be filled with water, that meets the ČSN 07 7401 requirements,
especially its harness must not exceed the required parameters.
Recommended values
Hardness mmol/l 1
Ca
2+
mmol/l 0,3
Concentration of total Fe + Mn mg/l (0,3)*
*) recommended value
WARNING!!! The use of anti-freeze mixture is not recommended by the manufacturer.
a) to the heating system
ČSN 06 0310 Heating systems in buildings – Designing and installation
ČSN 06 0830 Heating systems in buildings – protecting device
ČSN 07 0240 Warm-water and law-pressure steam boilers
ČSN 07 0245 Warm-water and law-pressure steam boilers. Warm-water boilers up to 50 kW output.
ČSN 07 7401 Water and steam for thermal energy equipments with working pressure up to 8 MPa.
b) to the chimney
ČSN 73 4201 Chimneys and flue gas ducting– designing, implementation and connection of fuel
consumers.
c) regarding the fire regulations
ČSN 06 1008 Fire safety of heat installations.
EN 13501-1 Fire classification of construction products and building elements – Part 1: Classification
using test data from reaction to fire tests
d) to the system of HWS heating
ČSN 06 0320 Heating systems in buildings – Hot water preparation – Designing and planning
ČSN 06 0830 Heating systems in buildings – Safety devices.
ČSN 73 6660 House water plumbing
4.2 Placing possibilities
The VIADRUS U 22 furnace is approved for installation in non – residential spaces (for example –
(cellar, corridor, etc.)
Section number 2 3 4 5 6 7 8 9 10
A [mm]
360 455 550 645 740 835 930 835 930
Fig. Nr. 6 Bedding dimensions
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