WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
10/5/2013
TECH-477/D.W.O. 21424
Page 8 of 206
1 Introduction
1.1 Product Certification
IEC Ex FMG 06.0002x
Ex ia IIC T4
(Tamb = -40°C to +80°C)
II 1 G
Ex ia IIC T4
II 1 G
(Ta = -40°C to +80°C)
FM09 ATEX 0028
IS / I,II,III / 1 / ABCDEFG / T4 Ta = 85°C
WD-11704; Entity; Type 4,
10/AEx ia/Ex ia/IIC/T4 Ta= 80°C
WD-11704; Entity; Type 4X
NI/I /2 /ABCD;S/II, III/2/FG/ Ta= 85°C Type 4
This product is designed for use in intrinsically safe systems when
connected through the correct barriers.
1.2 Warnings
Never remove enclosure cover or make/break electrical connections
with power connected to the unit.
Perform all wiring in accordance with site and local codes and the
National Electric Code ANSI-NFPA-70 (US) or the Canadian Electric
Code Part I (Canada) for the appropriate area classifications.
Confirm that the ICoT POSITIONER model being installed is approved
for the hazardous area (consult unit identification label).
Ensure that approved and properly sized IS barriers are used in
installations with IS approved ICoT POSITIONERS (confirm entity
parameters from product ID label).
Confirm that power supplied to unit is within rated specifications listed
on the unit identification label.
Protect the unit from exposure to aggressive substances or
atmospheres to ensure that hazard rating is not compromised.
Disconnect power to and the inlet air supply before conducting any
service or maintenance. Avoid the introduction of any contaminants
into the manifold/valve assembly.
