delta-mobrey DMS Series Installation, Operation & Maintenance Instructions

Installation, Operation &
Maintenance Instructions
Mini-Vibrating Fork Switch for LIQUIDS
Models DMVT (Level Switches)
SAFETY INSTRUCTIONS

Information ...points out useful tips,
recommendations and information
for efficient and trouble-free
operation.
CAUTION! ...indicates a potentially dangerous
situation that can result in light
injuries or damage to equipment or
the environment, if not avoided.
WARNING! ...indicates a potentially dangerous
situation that can result in serious
injury or death, if not avoided.
WARNING! ...identifies hazards caused by
electric power. Should the safety
instructions not be observed, there
is a risk of serious or fatal injury.
WARNING! ...indicates a potentially dangerous
situation that can result in burns,
caused by hot surfaces or liquids, if
not avoided.
WARNING! ...indicates a potentially dangerous
situation in the hazardous area that
can result in serious injury or death,
if not avoided.
Ex applications...special instructions for Ex
applications.
CONTENTS
Foreword
Ambient temperature
•
Process temperature
•
List of standards to which the product conforms
Operating principle
Special conditions of use
Installation
Mounting Position
•
Electrical connections
•
Wiring
•
Operation adjustment
Operation Test
•
Wiring Ex approved version
•
Maintenance
Storage
Replacement parts
Warranty
Decommissioning
Disposal
Model code
For the technical characteristics and perfor-
mance of the product, please refer to the Tech-
nical Data Sheet TDS-DMVT-A
Page 1 of 5
FOREWARD
The unit is manufactured, checked and supplied in
accordance with our published specification, and when
installed and used in normal or prescribed applications,
with the lid in place and within the parameters set for
mechanical and electrical performance, will not cause
danger or hazard to life or limb.
Warning: Units must be selected and installed by
suitably
accordance with appropriate codes of practice so
that the possibility of failure resulting in injury or
damage caused by misuse or misapplication is
avoided.
Warning: Before installation check that the
instrument characteristics comply with process
and plant requirements
Warning: The user should ensure the equipment is
suitable for use in the application with aggressive
substances.
Warning: The users attention is drawn to the fact
that, when the unit is 'live' with respect to electrical
or pressure supplies, a hazard may exist if the unit
is opened or dismantled.
Warning: Where any special condition of the
product has been required as identified by the last
4 digits of the part number, follow the necessary
safety instruction for a correct installation.
Ambient temperature
The surface temperature of the instrument is influenced by
the process temperature, electrical working conditions,
installation and environmental. Special attention must be
taken to avoid exceeding the limits specified on table below).
Ambient temperature range
–30 to +70°
Process temperature
Special attention must be taken to avoid exceeding the limits
specified on table below).
Max process temperature at
process connection of the
–40 to +130°C –40 to +266°F
–20 to +90°C
–40 to +120°C –40 to +248°F
LIST OF STANDARDS
This product complies to the below Directives & Standards
Directive:
Conformity Assessment: Module A
Standards:
Directive:
Conformity Assessment: Module A
Standards:
Directive:
Conformity Assessment: Module A
Standards:
www.delta-mobrey.com
IOM-DMVT: DEC 2023
trained and qualified
Enclosure type
-22 to +158°F All model and
Max
process
instrument temperature
Stainless
–4 to +194°F PP Flanges
ECTFE
Electromagnetic Compatibility (EMC) - 2014/30/EU
EN 61326-1:2013, EN 61326-2-3: 2013
Low Voltage (LVD) - 2014/35/EU
EN 61010-1:2010/A1:2019/AC:2019
Restriction of Hazardous Substances(RoHS)-2011/65/EU
EN IEC 63000:2018
personnel in