Hart 5437 Manual Del Producto página 38

IS Installation instructions
• Install in accordance with the US the National Electrical Code (NEC) or for Canada
the Canadian Electrical Code (CEC).
• The transmitter must be installed in a suitable enclosure to meet installation codes
stipulated in the Canadian Electrical Code (CEC) or for US the National Electrical
Code (NEC).
• To establish Class II and Class III, Division 1 or IIIC ratings, the equipment shall be
installed in an enclosure that is approved for use in Class II and Class III hazardous
(classified) locations.
• If the enclosure is made of non-metallic materials or of painted metal, electrostatic
charging shall be avoided.
• Use supply wires with a rating of at least 5 K above the ambient temperature.
WARNING: Substitution of components may impair intrinsic safety
AVERTISSEMENT : La substitution de composants peut nuire à la sécurité
intrinsèque
Division 2 / Ex nA, Non Incendive Installation
For safe installation of the 5431A.., 5434A.., 5435A.. and 5437A.. the following must be
observed.
Class I, Division 2, Groups A, B, C, D
Marking
Class I, Zone 2: Ex/AEx nA IIC T6...T4
Ex nA IIC T6...T4
Class I, Zone 2: Ex/AEx nA [ic] IIC T6...T4
Ex nA [ic] IIC T6...T4
Hazardous Area
CL I, Div 2, GP ABCD
CL I, Zone 2 IIC
Terminal:
3,4,5,6,7,8,9
Vmax: 7.2 VDC
38
9
8
7
+
1
‐
6
2
5
5431A
5434A
4
5435A
3
5437A
5437V103-ES
Unclassified Area
Class2 Supply
with Transient
protection or
Associated
Nonincendive
Field Wiring
Apparatus