VRN A8 User manual

VRN-A8
Rev.03/2013

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Wainning
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VRN-A8 ultrasonic scaler using automatic frequency tracking system, has the function of scaling, periodontal
treatment and root canal irrigation, and has the following characteristics:
With 2 routes of water supply systems, convenient to operate;
Hydraulic routing is made by the anti-bacteria materials. The clinical fluids, such as hydrogen peroxide,
chlorhexidine, sodium hypochlorite can be filled into the automatic water supply system, which can significantly
improve the performance of periodontal therapy and root canal irrigation.
The handpiece can be autoclaved under high temperature of 135℃ and high pressure of 0.22MPa.
Automatic frequency tracking system ensures the best working status, performance is much more stable.
The built-in PC chip with intelligent control of power make the treatment more comfortable.
The evolutional wireless foot switch remotes the main unit, and the cord switch can also be selected according
to user needs.
High brightness LED light improves the clinical efficiency; the main unit can also fit the regular detachable
handpiece.
The device is used for the dental calculus elimination and root canal irrigation.
Working conditions:
Temperature :5
℃~40℃ Relative humidity:≤80% Atmospheric pressure：75KPa~106KPa
Power supply
：
For AC adapter: 100-240Vac, 50-60Hz, 1.2A Max.
Output: 30Vdc, 1.3A
For main unit: 30Vdc, 1.3A
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IPX4
IPX6
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Wireless foot switch
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1) After opening the pack, check that whether the parts and accessories are complete according to the
packing list. Take the main unit out of the box and put it on a stable plane.
2) Turn the water control knob to the maximum based on symbol as shown (see 3.5.2 [note] 1)
3) Install the battery for wireless control foot switch, or insert the plug of the cord foot switch into the main
unit.(Figure 8, Figure 3)
Liquid route installation:
Automatic water supply
Fill up appropriate amount of purified water into the water bottle, and then insert the water bottle to the
main unit.
External water supply
Connect one end of the water tube to the water entrance, and the other end to the purified water source,
which can be the dental unit or other water source. (Figure 4)
4) Screw the scaling tip tightly to the handpiece by wrench, and then connect the handpiece and the
connector of cable correctly. Before the installation of handpiece, please make sure the end of handpiece
and the connector of the handpiece are dry.
5) Make sure that the power switch on the main unit is off. Insert the plug of the power source to the main
unit, and then connect the power.
6) Turn on the power switch of the main unit, and the function indicator and first four power indicators are
on.
7) Choose the automatic water supply or external water supply as need.
11
23 23OKOK!!
100100
mlml
200200
mlml
300300
mlml
g ) Water bottle installation
Air intake
Water hole
Fill up the water or clinical fluids, then tighten the cap
Intake
Insert the water bottle
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2.4 Automatic water supply system
2.4.1 Operation
1) Open the water cap, fill up the purified water, and then tighten the water cap.
2) Clean the water hole of the water bottle and the intake of the main unit.
3) Insert the water bottle to the main unit.
4) Press the model switch button “WATER” to choose the automatic water supply.
2.3.2 Notice
1) Make sure the air intake and water hole of the water bottle is not blocked.
2) Check the water proof “O-ring” on the water hole part is not damaged. If the “O-ring” is damaged or falling,
please replace it immediately.
3) Make sure that the water cap is tighten incase of water leaking.
4) Clean the water hole of the water bottle before each use.
5) When change the liquid inside of water bottle, please turn the water control knob to the maximum and run
the device for 30 seconds in order to maintain and clean the current liquid route. Then start to do the
treatment.
6) When the liquid inside the water bottle is low, please fill up the liquid to ensure the regular working.
The maintenance and disinfection are operated by the user. The main unit of scaler can be cleaned every
half month, and the handpiece, scaler tips and wrench must be autoclaved under high temperature and
pressure after each treatment so that it could ensure the safety.
For usual troubleshooting, please see 3.5, 3.6, quality issue of handpiece and circuit must be maintained by
the authorized service party. If the fault still can not be sloved, please contact the local distributors or VRN.
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15 ) The Ultrasonic Scaler only by professional and technical qualifications of doctors to operate.
16 ) Ultrasonic Scaler use when away from strong electromagnetic interference devices.
17) Appliance coupler is considered as disconnect device, please do not place the equipment in a difficultly
operation position.
18)Schematic：

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16 LED
IPX4 IPX6
Caution!
Read the operation
instruction
Class Ⅱ
equipment
Applied part,
type BF
Disposal Manufacturer
Used indoor
only
Serial
number
Autoclavable Storage
Humidity Keep dry
Storage Temp
Fragile
CE marking:refers
to directive 93/42
EEC,including
EN60601-1
and EN60601-1-2
Authorised
representative
in the European
community
Refer to instruction
manual / booklet
Manufacturer ’s
logo
-+ -+
2
Power Switch
Foot switch
connection
Water supply
Electrical
Outlet
Waterproof
grade is splash
proof
Waterproof
rating of water
resistance
Production date
Wired foot switch
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10.
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