A7 Plus – OPERATOR'S MANUAL
Bowl automatic movements (with motor-driven bowl, only).
Bowl automatically moves:
• by pressing "Dental chair rinsing position" button,
in this case, bowl position can also be set (see paragraph
5.1.2).
• by pressing the "Dental chair reset position" button,
To change this operating mode, see paragraph 5.1.1.2.6.
Taking off the spouts, bowl and bowl filter.
• Pull up the spout (l) and take it off.
• Pull up the filter (q) and its cover ( p ) from the bowl to remove them.
• Release bowl (m) by turning it counter clockwise, then pull it up to
remove it.
Disinfecting and cleaning.
Always wear gloves to prevent contact with infected
material when cleaning the bowl and bowl filter.
The parts are to be cleaned daily at the end of each working day.
• Ceramic bowl spouts: thoroughly wash with a specially formulated
scale-remover (such as MD 550 Orotol Dürr).
• Bowl filter: clean with running water and commercially-available
cleaning products.
Do not use acid or harsh products.
Description of the system.
S.H.S. system features a tank (a ) for distilled water.
The tank has a total capacity of 1.8 litres.
Distilled water supplies:
• the sprays of all the instruments present on dentist's and assistant's
boards,
• the syringe present on the assistant's board,
• the cup filling system,
• water quick coupling (if available).
The icon button on the TOUCH DISPLAY (see paragraph 5.1.1.2.12.)
or button on assistant's board control panel allow enabling/disabling
distilled water supply.
distilled water supply status is highlighted by icon (A) appearing
on the console display.
Tank reserve warning.
When the fluid inside the tank drops below the reserve level, a special
warning icon (B) appears on dentist's board console.
Tank filling.
Once tank min.level is reached (approx. 500 cc), fill it as follows:
• Disable the S.H.S. system by touching the icon or pressing the
button on the assistant's board control panel.
Check that icon (B) disappears from the console display
during this operation the pressurised air present inside tank
will be automatically bled to the outside.
• Remove tank ( a ) by turning it clockwise.
• Pour distilled water inside tank until reaching the max. level.
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