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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 syphon or the
neutraliser / condensate box must be filled
with water.
•
When starting up the system for the first
time, the function of all safety and control
devices must be verified.
• The operation and maintenance of the sys-
tem 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 pres
-
sure and set the CO
2
value correctly in ac-
cordance with the technical data (see chap-
5.1
Safety instructions
!
CAUTION
• Cutting injuries as a result of sharp edges.
• Handle parts of the casing carefully and avo-
id contact with sharp edges!
• Risk of injury for non-expert personnel.
• Initial start-up, maintenance and cleaning
work are only allowed to be performed 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
5.2
Filling the heating system
Filling of the heating system must be carried out by trai-
ned personnel.
§
ÖNORM H5195, European Standard EN
14868 and VDI Guideline 2035 must be com-
•
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 sa
-
fety and suitability.
• If frost protection agent is being used, a se-
parate engineering sheet is available from
Hoval.
Summary of Contents for UltraGas 1550
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