FHF ExResistTel IP2, Operating Instructions Manual

Page: 20 / 30

Page 20 Manual ExResistTel IP2
Caution
The telephone is suitable for use in Group II, Category 2G and 2D or non-hazardous
locations only.
WARNING – EXPLOSION HAZARD
Do not disconnect the telephone unless power has been removed or the area is
known to be non-hazardous.
WARNING – EXPLOSION HAZARD
Substitution of any components may impair suitability for Group II, Category 2G and
2D.
•
The telephone may be operated solely under the stated ambient conditions.
Unfavourable ambient conditions can lead to damage of the telephone and
thus present a potential danger for the user.
Such unfavourable ambient conditions are:
o
Humidity of air too high (>75% rel., condensing)
o
Moisture and dust (pay attention to the degree of protection)
o
Flammable gases, vapours and solvents not covered by the type of
protection for the telephone.
o
Too high ambient temperatures (> +60°C).
o
Too low ambient temperatures (< -40°C).
•
During operation of the telephone the temperature must not exceed nor fall
below the prescribed range of ambient temperatures. It is not allowed to
operate the telephone with an additional cover.
•
Make sure the wiring is voltage-free upon connecting or disconnecting the
wires in the terminal room.