Models ER-420-AC, ER-420-DC & ER-420-LP
Rules and Precautionary Measures
The manufacturer accepts no responsibility whatsoever if the following safety rules and precautions instructions and the
procedures as described in this manual are not followed
•
Modifications of the ER-420 implemented without preceding written consent from the manufacturer, will result in the
immediate termination of product liability and warranty period
•
Installation, use, maintenance and servicing of this equipment must be carried out by authorized technicians
•
Check the mains voltage and information on the manufacturer's plate before installing the unit
•
Check all connections, settings and technical specifications of the various peripheral devices with the ER-420 supplied
•
Open the casing only if all leads are free of potential
•
Never touch the electronic components (ESD sensitivity)
•
Never expose the system to heavier conditions than allowed according to the casing classification (see manufacturer's
plate and
"Installation Considerations" on page 22
)
•
If the operator detects errors or dangers, or disagrees with the safety precautions taken, then inform the owner or
principal responsible
•
The local labor and safety laws and regulations must be adhered to
Page 6
March 2013