60 53 362 D3472
D3472.201.10.20.02 07.2016
25
Sirona Dental A/S 3Product description
Operating Instructions DAC UNIVERSAL 3.1Functions
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External cleaning
The instruments are first cleaned 5 times with cold water in a pulse-wash
procedure (multicyclic cleaning method).
Then warm external cleaning / thermal disinfection is conducted up to
120°C (248°F).
The total number of washes is 5 cold and 1 warm, in total 6 washes.
The chamber is then heated to 134 °C (273 °F) or 121 °C (250 °F),
depending on the chosen program, for the disinfection process.
Thermal disinfection
After external cleaning, the instruments are thermally disinfected.
Saturated steam is forced through the instruments and then extracted
back through the air and water channels (if available) of the instruments.
This is known as the backflush method.
Three different thermal disinfection programs are available:
● 134°C (273°F) with a holding time of 3 minutes
● 134°C (273°F) with a holding time of 18 minutes
● 121°C (250°F) with a holding time of 15 minutes
The reference load during hygiene testing is performed with following
load:
1x Sirosonic L, 1x Sirosonic TL, 1x Sprayvit 4000, 1x Sprayvit G and 2x
Ultrasonic tips.
Find enclosed the characteristic values of the FLEX lid.
To select the program, see "Programs and program selection [ → 33]".
For instructions for reprocessing FLEX lid instruments see "Reprocessing
with the FLEX lid DAC UNIVERSAL ADVANCED [ → 115]" for the DAC
UNIVERSAL ADVANCED and "Reprocessing with the FLEX lid DAC
UNIVERSAL STANDARD [ → 187]" for DAC UNIVERSAL STANDARD.
FLEX lid Cleaning Disinfection
max. water consumption 150 ml 260 ml
max. time 350s 570s
max. temperature 55 °C 135 °C
max. flow rate 10 ml/per instrument
A0-value >>3000
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