Title: Våtventil Brukermanual.pdf
It is normal for system water pressure to be higher than the water supply pressure due to the alarm check valve trapping pressure surges above the clapper . Confirm that the water supply pres- sure is within the range of normal pressures observed in the area . Significant loss of water supply pressure could indicate an adverse condition in the water supply .Inspect the valve and trim for mechanical damage and corrosion . Replace any damaged or corroded parts .Depressurize and drain the piping system before attempting to install, remove, adjust, or maintain any Victaulic products.3 . Confirm that the alarm check valve and trim are located in an areathat is not subject to freezing temperatures .Failure to follow these instructions could cause system failure, resulting in death, serious personal injury, and property damage.4 .