flamco Flamcomat MK-U G4 - Top-up Connection Installation

Manual Flamcomat MK-U G4
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21
ENG
**optional accessory
6.4 Top-up connection
The top-up connection should be connected to the control unit. Assured top-up requires an average set feed pressure of
approx. 4-6 bar (max. 8 bar). High feed pressures may require devices to prevent water hammer (pressure reducing valve).
“Appendix 1.” on page 39 shows the installation diagram and example installation.
Please observe the following specifications before filling and commissioning the pressure-expansion automat:
• Install the feed to the top-up hose with shut-o valve (as delivered).
• Avoid any tensile loads on the hose, bending radii of less than 50 mm and contractions.
• If the top-up feed is connected to the water main, a backflow preventer with filter must be connected in series in
compliance with EN 806-4/EN 1717. Install this accessory horizontally and fit a shut-o valve before this assembly (note:
clean filter regularly and change filters as and when required).
Caution: Connect the shut-o valve to the top-up intake.