INSTRUCTIONS FOR USE DA 270, DA 370, DA 280, DA 380
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TECHNICAL DATA
3.1 Technical parameters
Dental unit
Values
Supply voltage
230V ± 10%
Frequency
50 Hz ± 2 %
Max. power consumption
1900 VA + 10%
Input pressure of air
from 0,45 to 0,8 MPa
Input pressure of water
from 0,3 to 0,6 MPa
Dental unit netto weight
145 kg + max. 20 kg according to version
Dental unit brutto weight
210 kg + max. 35 kg according to version
Type of protection against electric shock
Class I equipment
Degree of protection against electric shock
applied parts of B type
Degree of protection by cover
IP21
Temperature of water for the cup
35 ± 5 °C (with heater fitted)
Max. recommended load of light arm tray table
1,5 kg
Max.
recommended load of dentist’s panel tray table:
•
for stainless plate 180x280 mm
•
for stainless plate 290x370 mm
0,5 kg
1,5 kg
Type of operation
continuous with intermittent loading, corresponding to the
common dental practice.
Chair
Values
Range of the height of the seat above the floor
385 mm
– 825 mm
15 mm (DA270,DA280)
320 mm
– 825 mm
15 mm (DA370,DA380)
Range of the tilting of the backrest from vertical plane
20°
2° to 90°
2° (DA270,DA280)
13°
2° to 97°
2° (DA370,DA380)
Range of the tilting of the seat from horizontal plane
3° to 21°
2° (DA370,DA380)
Chair vertical movement time (from min. to max.)
maximum 20 seconds
Backrest movement time (from min. to max.)
maximum 18 seconds
Seat tilt duration
maximum 8 seconds
Loading capacity of the chair (EN ISO 7494-1)
maximum 200 kg
Chair weight netto DA270,DA280
60kg + max. 5 kg according to version
Chair weight brutto DA270,DA280
110 kg + max. 20 kg according to version
Chair weight netto DA370,DA380
65kg + max. 5 kg according to version
Chair weight brutto DA370,DA380
115 kg + max. 20 kg according to version
Operation mode
1 : 16 (cycle e.g. 25sec. run, 400sec. rest)
Noise level of the chair
maximum 54 dB
3.2 Used Symbols
Symbol
Description
Symbol
Description
Warning, Caution
Type B applied part
Note
IP21
Protection against vertically falling drops of water e.g.
condensation
Additional information
Mandatory conformity marking for certain products sold
within the European Economic Area
Refer to instruction manual
Serial number, production number
See the instruction manual
Sterilizable in a steam sterilizer (autoclave) at
temperature specified
Production date
Device is among the dangerous wastes - hand them
over in the collection yard
Manufacturer
