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INITIAl COMMISSIONING
5.
Initial commissioning
•
After filling, always thoroughly bleed the
system and check the water circuit for leaks.
• Before commissioning, the siphon or the
neutralisation unit must be filled with water.
• When commissioning the system for the
first time, the function of all safety and con
-
trol devices must be verified.
• The operation and maintenance of the plant
must be explained to the user in detail.
•
The combustion air must be filtered if there
is a heavy build-up of building dust.
•
It is essential to check the gas flow pressure
and set the CO
2
value correctly in accordance
with the technical data (see chapter 3.3).
5.1
Safety instructions
!
CAUTION
• Cutting injuries as a result of sharp edges.
• Handle sections of the cladding carefully and
avoid contact with sharp edges!
• Risk of injury for non-expert personnel.
• Initial commissioning, maintenance and
cleaning work are only allowed to be per-
formed by trained specialist personnel or by
Hoval customer service.
NOTICE
Damage to the system by filling unauthorised
liquids.
•
The filling and replacement water must be of
the required water quality (see chapter 5.3).
5.2
Filling the heating system
Filling of the heating system must be carried out by
trained personnel.
§
ÖNORM H5195, European Standard
EN 14868 and VDI Guideline 2035 must be
complied with (see chapter 4.3).
•
Open shut-off valves in the flow and return lines.
•
Connect the water hose to the filler tap.
•
Slowly fill the heating system.
• Observe the water level by means of a pressure gauge.
• Only use chemical additives for which the
chemicals supplier has confirmed their safe
-
ty and suitability.
• If frost protection agent is being used, a
separate engineering sheet is available
from Hoval.
Summary of Contents for 51-UltraGas 2 1000
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