Introduction; 1�1 Employed Symbols; Safety; 2�1 Intended Use - Renfert Basic quattro Mode D'emploi D'origine

1

Introduction

1.1 Employed Symbols
In these instructions or on the unit itself you will find symbols which have the following meaning:
Danger
This indicates an imminent risk of injury. In these instructions or on the unit itself you will find
symbols which have the following meaning.
Electrical hazard
There is a risk of electrical shock.
Attention
Failure to observe the associated information can result in damage to the unit.
Note
The operating instructions contain useful information to make handling easier.
Attention!
Wear eye protection.
The unit complies with the relevant EC guidelines.
The unit is subject to the EC guidelines 2002/96/EG (WEEE Directive).
► List, particular attention should be paid
• List
- List
Other symbols are explained as they occur�
2

Safety

Inform the operator about working procedures, possible operating hazards and actual operation
of the unit with these user instructions.
Ensure that these instructions are available for the operator�
2.1 Intended use
The Basic line of sandblasting units are designed for use in dental laboratories to remove investment
residues, oxides on cast objects, and for surface treatment�
Other areas of use also include divesting press ceramic or sandblasting porcelain occlusal surfaces�
2.2 Improper use
Only spare parts and accessories supplied or authorized by Renfert GmbH may be used with this prod-
uct� If other spare parts or accessories are used, this could have a detrimental effect on the safety of the
device, increase the risk of serious injury and lead to damage to the environment or the device itself�
2.3 Environmental conditions for safe operation
Safe operation of this unit can be guaranteed under the following conditions:
• Indoors,
• Up to an altitude of 2,000 m [6,500 ft] above sea level,
• At an ambient temperature of 5 - 40 °C [41 - 104 °F] *),
• At a maximum relative humidity of 80 % at 31 °C [87�8 °F], decreasing linearly to 50 % relative humidity
at 40 °C [104 °F] *),
• With a mains power supply where current fluctua-tions do not exceed 10 % of the nominal value,
• Under level 2 contamination conditions,
• Under overvoltage category II conditions�
*) Between 5 – 30 °C [41 - 86 °F], the unit can be operated at a relative humidity of up to 80 %� At temperatures be-
tween 31 - 40 °C [87�8 - 104 °F], the humidity must decrease proportionally in order to ensure operational readi-
ness (e�g�, at 35 °C [95 °F] = 65 % humidity; at 40 °C [104 °F] = 50 % humidity)� The unit may not be operated at
temperatures above 40 °C [104 °F]�
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EN