Users Manual Part 1

3 Mechanical installation
3.1 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 ( ). Refer to the following safety messages
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 transmitter is installed by qualified personnel and in accordance with applicable
code of practice.
Use the equipment only as specified in this manual. Failure to do so may impair the
protection provided by the equipment.
For installations in hazardous locations, the transmitter must be installed according to the
Rosemount 3408 Product Certifications document and System Control Drawing.
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 that the operating atmosphere of the transmitter 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/Type Ex ec installations, do not remove
the transmitter cover when power is applied to the unit.
The transmitter cover must be fully engaged to meet Explosion-proof/Flameproof
requirements.
WARNING
Electrical shock could cause death or serious injury.
Ensure the mains power to the transmitter is off and the lines to any other external power
source are disconnected or not powered while wiring the transmitter.
Reference Manual Mechanical installation
00809-0100-4418
September 2022
Rosemount 3408 Level Transmitter 15