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General Installation Guidelines
Navien ensures that this product contains no harmful
substances and that no harmful materials have been used in its
manufacture.
Current legislation must be taken into account on installing
this appliance, and it must be installed in a place with suitable
ventilation.
The boiler must be installed by an installer authorised by the
Ministry of Industry and it must be started up by an Official
Technical Assistance Service authorised by Navien.
The requirements included in the following regulations must be
observed on installing the boiler:
- The Gas Installation Regulation.
- The Technical Building Code.
- The Regulation for Heating Installations in Building.
- The Low Voltage Regulation.
Installation in hard water areas
In areas with hard water (hardness exceeding 200 ppm), it is
●
important to install a scale reducer.
The advice of the local water authority should be sought.
Installing the system piping
The boiler is equipped with an internal relief valve. All systems
●
must be capable of sustaining pressure of up to 3 bar.
The air vent is required in the system during filling.
●
CAUTION
The boiler is equipped with an internal
bypass valve. The internal bypass valve
is not intended to replace an external
bypass valve. An external automatic
bypass valve is required if a zone valve
has been connected to the system.
Gas Conversion
The boiler is configured for natural gas. If LPG conversion is
required, use the conversion kit supplied with the boiler and
attach the item matching the LPG GC No. (included in the kit).
6
Safety Information
The Codes of good practice and regulations refer to the
latest versions of the same.
The installation must also comply with the following European
Standards:
Standard
Description
Closed expansion vessels with
UNE-EN 13831:2008
diaphragm.
UNE-EN 1856
Metal chimneys
UNE-EN 13384
Chimneys
UNE-EN 13779
Ventilation
UNE-EN ISO 16484
Building control systems.
UNE-EN 14336
Heating systems in buildings.
Gas-fired heating boilers
UNE-EN 15502-1
Part 1: General Requirements and tests
Gas-fired heating boilers
Part 2-1: Specific standard for type
UNE-EN 15502-2-1
C appliances and type B2, B3 and B5
appliances of a nominal heat input not
exceeding 1000 kW
UNE-EN 13203:2007 Domestic Hot Water
UNE-EN 303-7:2008
Heating boilers.
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