Renfert 2934 2000, Translation Of The Original Instructions For Use

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EN
2 Safety
2.1 Intended Use
This extraction unit is intended for use with dental milling machines for the suction of dry dust, generated
whilst milling commercially available milling blocks and blanks�
The device is intended exclusively for commercial use�
The intended use also includes compliance with the instructions specified by the manufacturer concerning
operation, servicing and maintenance�
2.2 Improper Use
Fire-promoting, easily flammable, hot, burning or explosive materials must not be suctioned into the de -
vice�
It is not permitted to suction liquids�
This device is not intended for private, household use�
Any use other than specified in these instructions is deemed improper and constitutes a misuse of the
device�
The manufacturer shall not be liable for damages caused by 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 Ambient Conditions for Safe Operation
The device may only be operated:
• Indoors
• Up to an altitude of 2,000 m above sea level,
• At an ambient temperature of between 5 - 40 ºC [41 - 104 ºF] *),
• At a maximum relative humidity of 80 % at 31 ºC [87�8 ºF], dropping to a linear of up to 50 % relative
humidity at 40 ºC [104 ºF] *),
• With mains power where the voltage fluctuations do not exceed 10 % of the nominal value,
• Under contamination level 2 conditions,
• Under over-voltage category II conditions�
*) Between 5 - 30 ºC [41 - 86 ºF] the device can be operated at a relative humidity of up to 80 %� At temperatures
between 31 - 40 ºC [87�8 - 104 ºF] the humidity must decrease proportionally in order to ensure operational readi-
ness (e�g� at 35 ºC [95 ºF] = 65 % humidity, at 40 ºC [104 ºF] = 50 % humidity)� The device may not be operated at
temperatures above 40 ºC [104 ºF]�
2.4 Ambient Conditions for Storage and Transport
For storage and transport the following specifications to ambient conditions apply:
• Ambient temperature - 20 – + 60 ºC [- 4 – + 140 ºF]�
• Maximum relative humidity 80 %�
2.5 Hazard and Warning Information
2.5.1 General Information
► If the device is not used in compliance with the supplied instructions, the safety of the device can
no longer be guaranteed.
► The device may only be operated using a mains cable with the country-specific plug system. Any
necessary alterations must be carried out by a qualified electrician.
► The device may only be operated if the information on the identification plate conforms to the
specifications of your local mains power supply.
► The device may only be plugged into outlets which are connected to the protective conductor
system.
► The mains plug must be easily accessible.
► Disconnect the device from the mains before carrying out work on the electrical parts.
► Check connection cables (such as power supply cords), tubes and housing (i.e. the key-pad)
regularly for damage (i.e. kinks, cracks and porosity) or signs of ageing. Devices with damaged
connection cables, tubes or housing parts or other defects must not be operated!
► Defective devices must be put out of service immediately. Remove the mains plug and ensure the
device is not used. Send the device for repair!
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