6. Piping installation
Installer reference guide / Mono tank integrated type 54
6.1 Preparing water piping ..........................................................................................................55
• Water circuit requirements .................................................................................................................................................................... 55
• Setting the pre-pressure of the expansion vessel ..........................................................................................................................57
• Flow Rate .....................................................................................................................................................................................................58
• Minimum active water volume ............................................................................................................................................................. 59
• Maximum water volume .........................................................................................................................................................................60
6.2 Connecting water piping ......................................................................................................62
• About piping work .................................................................................................................................................................................... 62
• Connecting the water pipes ...................................................................................................................................................................62
• Connecting the secondary return piping (only 260l) .................................................................................................................... 65
• Piping diagram...........................................................................................................................................................................................66
• Overpressure bypass valve .....................................................................................................................................................................67
• Pressure relief valve ..................................................................................................................................................................................67
• Filter/Strainer ..............................................................................................................................................................................................67
• Flow sensor .................................................................................................................................................................................................68
• Flushing ........................................................................................................................................................................................................ 69
• Water charging ........................................................................................................................................................................................... 70
• Charging water to the water-circuit ................................................................................................................................................... 70
• Air purging ....................................................................................................................................................................................................72
• Protection the water circuit freezing ...................................................................................................................................................73
• Charging the DHW tank ........................................................................................................................................................................... 76
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