(Revised 2010-11-15) page 5 of 30
Environmental Safety
WARNING: Disconnect the power and allow to cool 5 minutes before touching.
Electrical Safety
WARNING: Disconnect the power cable before removing any modules, or any enclosure panel.
WARNING: Do not operate the unit with the cover removed.
WARNING: Properly ground the unit before connecting anything else to the unit. Units not properly
grounded may result in a safety risk and could be hazardous and may void the warranty. See the grounding
technique section of this user manual for proper ways to ground the unit.
WARNING: Do not work on equipment or cables during periods of lightning activity.
WARNING: Do not perform any services on the unit unless qualified to do so.
WARNING: Do not operate the equipment in the presence of flammable gasses or fumes. Operating
electrical equipment in such an environment constitutes a definite safety hazard.
WARNING: Do not block the air vents.
WARNING: Observe proper DC Voltage polarity when installing power input cables. Reversing voltage
polarity can cause permanent damage to the unit and void the warranty.
Hazardous Location Installation Requirements
1. WARNING: Explosion hazard – Do not replace the device unless pow er has been switched off or the
area is known to be non-hazardous.
2. WARNING: Explosion hazard. Do not disconnect while the circuit is live or unless the area is known
to be non-hazardous.
3. WARNING: Install only in accordance with Local & National Codes of Authorities Having
Jurisdiction.
4. WARNING: Explosion Hazard - Substitution of components may impair suitability for Class I,
Division 2.