Emerson MVS205 Use Instructions page 3

Safe Use Instructions – MVS205
MVS205 Multi-Variable Sensor
Use this safe use instructions (SUI) sheet with
the ROC/FloBoss Accessories Instruction
Manual (Form A4637). Refer to that manual for
full cautions and descriptions of installation and
troubleshooting procedures.
This SUI describes the MVS205R, the remote
version of the MVS205 Multi-Variable Sensor.
All references to MVS205 in this instructions
sheet are to the Model MVS205R.
MVS205 Multi-Variable Sensor Special
Conditions for Safe Use:
The device contains a thin wall diaphragm.
During installation, maintenance, and use
take into account the environmental
conditions to which the diaphragm is
subjected. Follow in detail the
manufacturer's instructions for installation
and maintenance to assure safety during
the device's expected lifetime.
Ensure that threaded covers have, at a
minimum, 8 full threads engaged.
When installing units in a hazardous area,
make sure all installation components
selected are labeled for use in such
areas. Perform installation and
maintenance only when the area is known
to be non-hazardous. Installation in a
hazardous area could result in personal
injury or property damage.
Remote Automation Solutions
Website: www.EmersonProcess.com/Remote
Figure 1. Label on the MVS205 Multi-Variable Sensor
Always turn off the power to the sensor
before you attempt any type of wiring.
Wiring of powered equipment could result
in personal injury or property damage.
Disconnect power from the ROC or
FloBoss unit before installing or
removing from service the MVS205
Sensor to avoid damage to the sensor.
Do not reverse polarity of the power wires
(+ and –) while wiring the Remote MVS
units, or circuits in the Remote MVS and
elsewhere may be damaged. Double-
check for proper connections before
applying power.
To avoid circuit damage when working
inside the unit, use appropriate
electrostatic discharge precautions, such
as wearing a grounded wrist strap.
Do not exceed the maximum differential
and static pressure ranges listed on the
label of the MVS205 Sensor.
Form A6154
July 2008