AFRISO GAK, Operating Instructions Manual

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4
Information on safety
EN
GAK
2.2 Intended use
This product may only be used:
• In sealed heating systems as per EN 12828
• For heat generators with a heating capacity of up to 50 kW
The
diaphragm safety valve
may only be used to blow off the following flu-
ids from sealed heating systems (as per EN 12828) for the purpose of pro-
viding protection against excess pressure:
• Water
• Water/glycol mixtures with a maximum admixture of 50 %
The
pressure gauge
may only be used to indicate the system pressure of
the heating system.
The
quick air vent
may only be used to automatically de-aerate the heating
system.
Any use other than the application explicitly permitted in these operating
instructions is not permitted and causes hazards.
2.3 Predictable incorrect application
The product must never be used in the following cases and for the following
purposes:
• Operation when the discharge opening is shut off
• Media which attack the materials used
• Media that have an adverse effect on the proper operation of the product
• Nominal pressures other than those indicated on the product
• Temperatures in excess of or below the permissible temperature of the
medium