ASI Dental Specialties
5 – START UP, OPERATION & SHUT DOWN
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Page 1
65-0067 Rev-A (11/12/20)
STARTING UP
Tandem Water System
The clean water system (see figure) features easy-to-fill, pressurized
water bottles that enable you to control the quality of water to your
handpieces and air/water syringe. The water bottle is made of non-porous
plastic. The bottle is reusable, but should be replaced periodically. See
maintenance schedule section.
How It Works
Air, regulated to approximately 35 psi, is supplied to the water bottles
through tubing attached to the pressure heads. The air pressure in the
bottle forces clean water from the water bottle into the water pick-up
tube and out to the handpiece control blocks, syringe, and auxiliary quick
connects. The water system is a “closed system,” allowing control of
water quality and water system asepsis. The Tandem System works by
allowing the second bottle to flow into bottle one to provide an
uninterrupted two-liter supply.
Filling the Bottles
Locate the clean water system mounted inside the unit behind the door. Locate the toggle switch for supplying
air pressure to the bottles. Flip the switch to the OFF position to turn off the air supply to the bottles.
Slowly unscrew the bottles to allow them to depressurize. Clean as appropriate. Fill the bottles with clean,
demineralized water to a level below the screw threaded portion. Re-attach the bottles and hand tighten only.
Operating the Tandem Water System
Turn the air pressure toggle switch to the ON position and allow the system to pressurize. The system will now
provide solution to the delivery unit and corresponding handpieces. Water may flow from bottle two to bottle
one.
Disinfecting the Water System
Refer to Cleaning and Disinfection Section of the Manual for disinfection of the clean water system and
handpiece tubings.
Purging Water from the System
Running compressed air through the water lines is an easy and effective way to remove water from the lines and
prevent stagnant water from residing in the lines during temporary or long-term storage of the system. To purge
the water, remove the bottles and completely empty them of their liquid contents. Then, replace the bottles and
turn on the air pressure supply to the bottles. Run the handpiece connections and air water syringe until there is
no more water particles exiting them.
65-OS01 Rev-A | 11/12/20
