NSK Varios 970 Operación Manual página 18

5) To perform the Auto-Cleaning, keep pressing the Auto-Cleaning Key (more than  second).It takes 30 seconds per
bottle to clean The Numerical Display will alternately displays "A" and "C", the Bar Graph displays time remaining.
Single display (Bar Graph Display) is 6 second. When five displays of Bar Graph disappeared, Bottle will be changing
the other side.
To cancel the Auto-Cleaning, press Auto-Cleaning Key twice.
NOTICE
During Auto-Cleaning, LED of the handpiece
does not illuminate. (Varios 970 LUX)
6) When the Auto-Cleaning is finished, the Control Unit returns to the settings prior to cleaning. Remove the both bottles
from the Control Unit by pulling straight up. Clean thoroughly rinse and dry.
Following method is also available for cleaning. (Manual Cleaning)
) Remove the Bottle from the Control Unit.
2) Open the cap of the cleaned Bottle and fill it with distilled water.
3) Close the cap firmly and insert the Bottle Joint into the Bottle Base Connector on the Control Unit until it clicks.
4) Operate the Control Unit about 30 seconds with water supply at maximum setting.
NOTICE
The Control Unit does not perform in Auto-Cleaning in Tap Water.
(5) Changing Water Filter (Option)
If you use Tap Water, change the Water Filter as it may necessary.
) Close the water valve of the dental unit.
2) Mount two Spanner Wrenches (5x8) and turn those as shown in Fig.39.
3) When the Water Filter case is separated, the Water Filter can be removed as shown in Fig. 40.
4) Replace with new ( Order Code U387042 ) and reassemble the filter in the reverse order.
Numerical Display
Control Unit Side
Water Filter Case Water Filter Case
Fig.39
7
Auto-Cleaning Key
Bar Graph
O-Ring
Water Filter
Fig.38
Fig.40