Safety Precautions
Mitsubishi Electric, MA00818C
5
1
Safety Precautions
Both the installer and the owner and/or operator of the operator panel must read and
understand this installation manual.
1.1 UL and cUL Installation
– This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D
OR non-hazardous locations only. [Combinations of equipment in your system
are subject to investigation by the local Authority Having Jurisdiction at the time
of installation.]
– Maximum ambient temperature 40 °C when mounted horizontal or 50 °C when
mounted vertical.
– WARNING – EXPLOSION HAZARD – Do not disconnect equipment unless
power has been removed or the area is known to be non-hazardous.
– For Canada also AVERTISSEMENT – RISQUE D’EXPLOSION – AVANT DE
DECONNECTER L’EQUIPEMENT, COUPER LE COURANT OU
S’ASSURER QUE L‘EMPLACEMENT EST DESIGNE NON DANGEREUX.
– WARNING – EXPLOSION HAZARD - Substitution of components may
impair suitability for Class I, Division 2.
– For Canada also AVERTISSEMENT – RISQUE D’EXPLOSION – LA
SUBSTITUTION DE COMPOSANTS PEUT RENDRE CE MATERIEL
INACCEPTABLE POUR LES EMPLACEMENTS DE CLASSE I,
DIVISION 2.
– WARNING – EXPLOSION HAZARD – only UL and cUL approved expansion
units are allowed to be connected to the port designated “EXPANSION”. At the
moment there are no such units evaluated or allowed.
– WARNING – EXPLOSION HAZARD - Do not replace expansion unit unless
power has been switched off or the area is known to be non-hazardous.
– This product contains battery, this must only be changed in an area known to be
non-hazardous. Permitted types are shown in the section
.
– For use on a flat surface of a type 4X enclosure indoor use only.
– To make wiring connections to the power supply connector, use an AWG 28-12
cable and a tightening torque of min. 0.5 Nm.
