5.
Commissioning
•
After filling the system with water, bleed any
air and check for water leaks.
• Before putting the boiler into operation, the
siphon and neutralisation tank needs to be
filled with water.
•
When starting up the system for the first
time, the correct operation of all the safety
and control devices must be verified.
• The operation and maintenance of the sys-
tem must be explained to the user in detail.
•
he combustion air needs to be filtered in
very dusty environments.
•
The gas flow pressure must be checked and
the CO
2
value set correctly.
5.1
Safety information
!
CAUTION
• Sharp edges pose a cutting hazard.
• Handle the cladding parts with care and
avoid contact with sharp edges!
•
Danger of injury for unqualified personnel.
•
Maintenance and cleaning work may only
be performed by trained personnel or by
the Hoval Customer Service.
NOTICE
Danger of damaging the system by filling it
with incorrect liquids.
•
Water filled into the system must have
drinking quality.
5.2
Filling with water
Filling of the heating system may only be carried out by
qualified personnel.
§
Die ÖNORM H5195, The European Standard
EN 14868 and the Directive VDI 2035 must be
1.
Open the isolating valves in the flow and return lines.
2.
Connect the water hose to the filling tap.
3.
Fill the heating system slowly.
Monitor the water level on the manometer.
• Use only chemical additives with suppliers’
confirmation of their safe usage.
•
Anti-freeze additive may be filled up to a ma-
xi mum of 40 % and to a minimum according
to the manufacturer’s information.
• The anti-freeze or anti-corrosion agent con-
centration must be checked at least once
per year.
• The identical product must be used when
replenishing the anti-freeze or anti-corro-
sion agents.
• When transferring to operation without anti-
freeze or anti-corrosion agents, the system
is to be thoroughly flushed through several
times before refilling with water.
31
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COMMISSIONING
Summary of Contents for UltraGas 15
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