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ENGLISH
SAFETY HEAT EXCHANGER AND AUTOMATIC THERMAL DISCHARGE VALVE DSA
The safety heat exchanger of the boiler must be equipped with a tested and certied thermal discharge valve.
If the temperature of the boiler exceeds 95°C, the cold water supply is activated to prevent the boiler temperature from rising even more.
The water side connection can be made only by a qualied technician, who must make sure that the water supply is sucient and meets the
specications indicated below.
DOMESTIC WATER SYSTEMS ARE NOT ALLOWED, ONLY PUBLIC WATER SYSTEMS ARE ALLOWED.
The pH of the drinking water must be greater than or equal to pH 7.4. If this value is not reached, the warranty is invalidated. The
water hardness test must be provided to the manufacturer on request.
The thermal discharge valve DSA must be installed at the outlet of the safety heat exchanger. This applies even if the manufacturer of the
thermal discharge valve has indicated other installation positions.
It is necessary to make sure that there is a constant water pressure of at least 2 bar.
In the event of problems with the water pressure, the system must be put out of service.
It must not be possible to block the inlet and outlet lines!
The inlet and outlet lines must be visible and accessible. The section of the line to and from the safety heat exchanger must have a nominal
width of at least 15.
THE SAFETY HEAT EXCHANGER MUST NEVER BE USED FOR DOMESTIC HOT WATER PRODUCTION/HEATING.
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