Installation - Thermo Scientific V.22/212A User Manual

2.0 INSTALLATION

The V.22/212A Modem Card is a Recognized Component for use in Class I, Division 2, Groups C
and D, hazardous locations by Underwriters Laboratories (UL) and Canadian Standards Association
(CSA). Follow these procedures to ensure system safety and to comply with the Underwriters
Laboratories and Canadian Standards Association requirements of this unit.
Customer equipment and devices must be suitable for the location where they are to be installed.
The V.22/212A Modem Card is required to be installed in an enclosure suitable for the application,
and is not acceptable as a stand-alone unit.
When installed in a hazardous location, wire all circuits connected to the V.22/212A Modem Card
using Class-I, Division-2 wiring methods as specified in Article 501-4(b) of the National Electrical
Code, NFPA 70, or in Section 18 of the Canadian Electrical Code, Part 1.
The circuits of the V.22/212A Modem are not nonincendive
field wiring circuits. Wire these circuits as power limited
Substitution of V.22/212A Modem components may impair the safety of the unit and invalidate the
UL and CSA recognition.
Caution
circuits.
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