Service Manual FB 7100 Water System
January, 2005 5A - 19
The water of high temperature now runs from the boiler and circulates
through the entire hose system and back into the boiler through the valve
‘VR’ for approximately two seconds, thus ensuring that the hottest temper-
ature is obtained and that possible air bobbles are removed from the hose
system.
After this circulation the required water quantity is supplied by closing the
valve ‘VR’ and opening one or more of the valves from ‘V1’ through ‘V3’
in sequentiel order. When the required water quantity is obtained, the dis-
pensing valve/s in question ‘V1’ through ‘V3’ close, and the pump ‘P’
stops.
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