SCHUSTER BWA R50, Руководство по установке и обслуживанию

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To fill the system is necessary to provide a loa -
ding tap on the heating circuit, or use the optional
accessories.
The system must be equipped with its own drain
valve, with a size suitable to the capacity of the
system.
Pressure in the mains supply must be between 0.5
and 6 bar (In case of higher pressure a pressure
reducer it must be installed)
Attention!
Do not mix the heating water with incorrect
concentrations of antifreeze or anti-corrosion
substances! This could damage the gaskets
and cause noise during operation.
schuster will not be held liable for damage to
persons, animals or objects due to failure to
comply with the above instruction.
3.8 - FILLING THE sYsTEM