Installation Instructions
Table Of Contents
Safety
Part No.: 4417781 Wireless Field Interface
Installation Manual 2 - 3
NOTE: See EN IEC 60079-14 document for more infor-
mation.
2.2.1.4 Additional information
For additional information about Honeywell Enraf solutions, see the
back cover of this manual to contact Honeywell Enraf or its
representative.
2.2.1.5 Environmental Conditions
The environmental conditions regarding the permissible ambient
temperature for the WFI is -40 °C to +65 °C (-40 °F to +149 °F). The
relative humidity is RH 10 to 95%, non-condensing.
WARNING! Do not open the enclosure when an explosive atmo-
sphere may be present.
2.2.2 Personal Safety
WARNING! In hazardous areas, it is compulsory to use personal
protection and safety gear.
Safety can be achieved by using the following
equipment:
1. Safety helmet
2. Fire-resistive overall
3. Safety shoes
4. Safety glasses
5. Working gloves
6. LEL-meter
Pay attention to the kind of product involved. If there
is any danger to your health, wear a gas mask and
take all the necessary precautions.
WARNING! Take appropriate precautions when chemical or toxic
product vapors are present (compressed air,
chemical protection suit, detection equipment).
2.2.2.1 General
2.2.2.1.1 Repairs and Maintenance
WARNING! Any repairs or parts replacements must be
performed by the manufacturer or its appointed
repair agent.
2.2.2.1.2 Opening of the Device
WARNING! It is forbidden to open the WFI device in an explosive
hazardous environment in power.
WARNING! Treat the flange surface of the cover and the housing
with care.
Keep the flange surface free of dirt.
The O-ring must be present and undamaged.