Safety instructions RMS621
8 Endress+Hauser
1 Safety instructions
Safe operation of the Flow and Energy Manager is only guaranteed if these Operating Instructions
have been read and the safety instructions have been observed.
1.1 Designated use
The Energy Manager is a unit for monitoring energy and flows in water and steam applications. It
can be used in both heating and cooling systems. A large variety of different flow sensors,
temperature and pressure sensors can be connected to the unit. The energy manager accepts the
current/PFM/pulse or temperature signals from the individual sensors and from these calculates
the liquid and energy values:
–Volume and mass
– Heat flow or energy
– Heat energy differential
all using the international calculation standard IAPWS-IF 97.
– The unit is classified as additional equipment and may not be used in a hazardous area.
– The manufacturer cannot take responsibility for any damage caused by misuse of the unit. It is not
permitted to make any changes or reconstruction to the unit.
– The energy manager has been designed for use in an industrial environment and may only be used
in an appropriately installed condition.
1.2 Installation, commissioning and operation
The unit is safely manufactured using state-of-the-art technology and complies with the respective
EU regulations. The unit could be dangerous if it is incorrectly installed or used.
Mechanical and electrical installation, commissioning and maintenance of the unit must only be
carried out by skilled and qualified personnel. The skilled personnel must have read and understood
these operating instructions and followed them carefully. Always make sure that the unit is correctly
connected following the electrical connection diagrams (see Chap. 4 "Electrical installation"). When
the unit covers are removed, all electrical contact protection is lost (danger of electrical shock). The
housing must only be opened by qualified skilled personnel.
1.3 Operational safety
Technical advancement
The manufacturer reserves the right to improve and update the technical details. For details of
improvements or additions to these instructions, please contact your local sales organisation.
1.4 Return
For a return, e.g. in case of repair, the device must be sent in protective packaging. The original
packaging offers the best protection. Repairs must only be carried out by your supplier's service
organisation.
!
Note!
When sending for repair, please enclose a note with a description of the error and the application.
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