Ultraflux Uf 841, User Manual

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NT UF 841 CP GB (d) / June 2015
Symbols marked on the internal panelling (labels):
Ground marking, Phase (L) and Neutral (N) on the protective cover of the mains terminal
board.
Positive, negative and Ground terminals near to the low voltage power supply connection
terminal board.
COM terminal board label: RS232 and RS485 wiring.
Descriptive label of terminals for connecting the probes:
S1 - S3 - S5 - S7: upstream chords; S2 - S4 - S6 - S8: downstream
chords.
Descriptive label of internal input and output module terminal
connections (according to the optional modules ordered by the
customer).
See paragraph 3.6 on wiring of the above terminal boards.
2.4 Maintenance work on the flow meter
Work relating to maintenance on the flow meter must only be carried out by Ultraflux staff (SAV) and using
only parts supplied by Ultraflux (*).
Only operations relating to installation and start-up may be carried out without the intervention of Ultraflux:
- attachment (to wall) of the flow meter,
- connection of the equipment ground,
- connection of the probes,
- wiring of the inputs and outputs (**),
- wiring of the COM port (RS232 / RS485),
- connection of power supply,
- communication of the unit via its USB port.
(*) Except for consumables used to attach to the wall (bolting), the connection of external items connected
to the unit (cables and support brackets, apart from the probe cables as these are supplied with the probes
delivered by Ultraflux).
(**) The number and type of inputs and outputs available correspond to the optional modules fitted during
production of the Uf 841 by Ultraflux, depending on the options ordered by the customer.