MEDC Ex FernTel IP User Manual
Page 9
Manual
FernTel IP Z2 UL
9
Caution
The equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or
non-hazardous locations only.
WARNING – EXPLOSION HAZARD
Do not disconnect equipment 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 Class I, Division 2.
• The device may be operated solely under the stated ambient conditions.
Unfavourable ambient conditions can lead to damage of the device 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 device.
o
Too high ambient temperatures (> +55°C (> +131°F)).
o
Too low ambient temperatures (< -20°C (< -4°F)).
• During operation of the device the temperature must not exceed nor fall
below the prescribed range of ambient temperatures. It is not allowed to
operate the device with an additional cover.
• Make sure the wiring is voltage-free upon connecting or disconnecting the
wires in the terminal room.