Tuttnauer 6671130, Operation & Maintenance Manual

Page: 29 / 143

MAN205-0195042EN Rev. A Aug. 2011
Page 23 of 137 pages
Vacuum to gasket valves (53 1-2)
– connect the gasket grooves to the vacuum pump.
When a door moves, during opening and closing, this valve is open and vacuum is
produced to draw the gasket into the groove, ensuring a smooth sliding of the door.
When the door is open, this valve is operated but vacuum is not produced.
Mineral free water inlet valve (21)
–
allows distilled or mineral free water from the
pump and prevents the return flow of hot water from the steam generator to the
reservoir.
Note:
The valve numbers are in accordance with the valve numbering list and piping
diagram.