Installation Instructions

Safety
Wireless Field Interface Part No.: 4417781
2 - 4 Installation Manual
2.2.2.1.3 Tools
WARNING! Use non-sparking tools and explosion-proof testers.
Use suitable explosion-proof tools (for example,
testing devices).
2.2.2.1.4 Working Environment
WARNING! Avoid generation of static electricity. Make sure the
explosive gas mixtures are not available in the
working area.
2.2.2.1.5 Required Skills
WARNING! The technician must have technical skills to be able
to safely install the WFI device. The technician also
must be trained to work in accordance with the
national requirements for electrical equipment in
hazardous areas.
2.2.2.2 Commissioning
The commissioning of the device is conducted by qualified engineers
trained by Honeywell Enraf and with the knowledge of the (local and
national) requirements for electrical equipment in (potentially) explosive
atmospheres.
2.2.2.3 Maintenance and troubleshooting
If the WFI device does not function accurately, only a qualified service
engineer, trained by Honeywell Enraf and with the knowledge of safety
regulations for working in (potentially) explosive atmospheres are
allowed to repair the WFI device.
2.2.2.4 Grounding
 Make sure the housing of the device is properly connected to ground
reference. See
FIGURE 4-5 and FIGURE 4-6.
 Make sure the electrical resistance of the ground connections is
below the maximum prescribed by local requirements.
2.2.3 Electrical
2.2.3.1 Safety Standards
 Do not open the enclosure when an explosive atmosphere may be
present.
 The entire electrical installation must be in accordance with the Inter-
national Standard EN IEC 60079-14 for electrical equipment in
hazardous areas. Alternatively as per National Electrical Code
(NFPA70) or Canadian Electrical Code requirements. All electrical
installation is dependant on applicable national and/or local regu
-
lations.