Installation Instructions

Safety
Wireless Field Interface Part No.: 4417781
2 - 2 Installation Manual
The WFI may be located in explosion safety areas as follows:
2.2.1.1 EC declaration of conformity (for EU)
Refer to the EC declaration of conformity and the ATEX certificate(s),
shipped with the WFI device.
2.2.1.2 Control Drawings for FM and CSA
Refer to the control drawings shipped with the WFI for FM and CSA.
2.2.1.3 Users
The mechanical and electrical installation must be performed only by
trained people with the knowledge of the requirements for installation of
explosion proof equipment in hazardous areas.
The entire installation procedure for the WFI must be implemented in
accordance with national, local, and company regulations.
The entire electrical installation may be performed in accordance with
the national requirements for electrical equipment to be installed in
hazardous areas.
USA (FM) and Canada (CSA) Canada (CSA)
Rest of the World
(ATEX / IECEx)
Safety
level
Remarks
Safety
level
Remarks
Safety
level
Remarks
Class 1, 
Division 1
WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
Zone 1 WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
Zone 1 WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
CAUTION!
Seal conduit
within 18
inches.
CAUTION!
Seal conduit
within 18
inches.
Class 1, 
Division 2
WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
Zone 2 WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
Zone 2 WARNING!
Do NOT open
when an
explosive
atmosphere
may be
present.
CAUTION!
Seal conduit
within 18
inches.
CAUTION!
Seal conduit
within 18
inches.
Safe Area - Safe
Zone
- Safe
Zone
-