Chapter 4 Electrical Installation; Safety Messages - Emerson Rosemount 2120 Reference Manual

Reference Manual
00809-0100-4030
4 Electrical installation
4.1

Safety messages

Instructions and procedures in this section may require special precautions to ensure the
safety of the personnel performing the operations. Information that potentially raises
safety issues is indicated by a warning symbol (
before performing an operation preceded by this symbol.
WARNING
Failure to follow safe installation and servicing guidelines could result in death or
serious injury.
Ensure the level switch is installed by qualified personnel and in accordance with
applicable code of practice.
Use the level switch only as specified in this manual. Failure to do so may impair the
protection provided by the level switch.
The weight of a level switch with a heavy flange and extended fork length may exceed 37
lb. (18 kg). A risk assessment is required before carrying, lifting, and installing the level
switch.
Repair, e.g. substitution of components, etc. may jeopardize safety and is under no
circumstances allowed.
WARNING
Explosions could result in death or serious injury.
Verify the operating atmosphere of the level switch is consistent with the appropriate
hazardous locations certifications.
Before connecting a handheld communicator in an explosive atmosphere, ensure the
instruments are installed in accordance with intrinsically safe or non-incendive field wiring
practices.
In explosion-proof/flameproof and non-incendive installations, do not remove the housing
cover when power is applied to the level switch.
The housing cover must be fully engaged to meet flameproof/explosion-proof
requirements.
Rosemount 2120 Level Switch
Electrical installation
). Refer to the following safety messages
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