K4
Changes in models reserved.
Dimensions not binding!
Installation
8 Installation
The heating system must be filled with water meeting the following requirements and especially the
water hardness must not exceed the required parameters.
EN 15502-2-1
Gas-fired central heating boilers. Specific standard for type C appliances and type
B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
EN 677
Gas – fired central heating boilers – Specific requirements for condensing boilers
with a nominal heat input not exceeding 70 kW
EN 13501-1 +A1 Fire classification of construction products and building elements –
Part 1: Classification using test data from reaction to fire tests
EN 60079-10-1 Explosive atmospheres – Part 10-1: Classification of areas –
Explosive gas atmospheres
EN 60079-14 ed.3 Explosive atmospheres – Part 14: Electrical installations design, selection
and erection
EN 60252-1 ed. 2 Capacitors for AC motors – Part 1: In general – Design, testing, dimensioning –
Safety requirements – Instructions for installation and operation.
EN 60 335-1 ed.2 Electric appliances for household and similar purposes – Safety –
Part 1: General requirements
EN 60 335-2-102 Electric appliances for household and similar purposes – Safety – Part 2-102:
Special demands on appliances containing the electric connections and burning
the gas, oil and solid fuels
EN 60445 ed. 4 Basic and safety principles for man-machine interface, marking and identification
– Identification of equipment terminals, conductor terminations and conductors
EN 1775
Gas supply. Gas pipework for buildings. Maximum operating pressure less than or
equal to 5 bar. Functional recommendations
EN 12007-1
Gas supply systems – Pipelines for maximum operating pressure up to and
including 16 bar – Part 1: General functional recommendations
EN 12007-2
Gas supply systems – Pipelines for maximum operating pressure up to and
including 16 bar – Part 2: Specific functional recommendations for polyethylene
(MOP up to and including 10 bar)
EN 12007-3
Pipelines for maximum operating pressure up to and including 16 bar – Part 3:
Specific functional recommendations for steel
EN 12007-4
Gas supply systems – Pipelines for maximum operating pressure up to and
including 16 bar – Part 4: Specific functional recommendations for renovation
EN 15001-1
Gas supply systems Pipelines for operating pressure greater than 0,5 bar for
industrial use and pipelines for operating pressure greater than 5 bar for industrial
and non-industrial use - Part 1: Detailed functional requirements for design,
materials, construction, inspection and testing
Act No. 458/2000 on Business Conditions and Public Administration in the Energy Sectors and on
Coll.
amending certain acts (the Energy Act)
Hardness
mmol/l
1
Ca
2+
mmol/l
0.3
Concentration of total Fe + Mn
mg/l
(0.3)*
*) recommended value
35
