Honeywell CNI2 - Control Drawings - Hazardous Area; Hazardous Area Classification (North American Class I, Division 2)

CNI2
O
perating and Installation
Guide
145
HAZARDOUS AREA CLASS
IFICATION (NORTH A
MERICAN CLASS I, DIV
ISION
2)
The CNI2 is approved for use in hazardous gas environments, Class I, Division 2, Group
-
D
(methane, propane, butane), temperature class T4. Equivalent ratings as defined by the NEC /
NFPA70 article 501 are Class I, Zone 2, Gro
up IIA. Prior to installing equipment, always confirm
the safety ratings are appropriate by checking the label affixed to the product.
The NEC / NFPA
-
70 text provides important guidance for proper electrical wiring methods,
grounding, safety area classif
ications etc. Articles 500
-
505 are of particular relevance to
hazardous gas environments.
Control drawing 40
-
5084 defines the exact parameters related to all permissible inputs, outputs,
battery options, and site information. This drawing is also availa
ble in electronic PDF format free
of charge upon request. Contact your local Product Support Specialist for assistance.
NOTE
: The hazardous ratings label affixed to the product should be
relied upon as being the
most
reliable
source of information co
ncerning approved ratings. This manual and similar texts
or brochures may be updated periodically
to reflect new p
roduct improvements or additional
certifications
that have been
obtained.
CONTROL DRAWINGS
-
HAZARDOUS AREA