Filling/ Dosing; Remote Processing, Ancillaries; Electrical Circuit; Mounting - aqua metro DOMINO ARD Instructions De Montage Et Mode D'emploi

Filling/ Dosing

For filling and dosing the valve has to be mounted between meter and discharge. The shorter the pipe section between meter and discharge,
the higher the accuracy. Fast opening and shutting of the valve should be avoided (pressure hammer). Pressure hammers damage the me-
ter.
565856

Remote processing, ancillaries

Any backflow must be avoided on meters equipped with pulsers for remote processing. If this cannot be achieved by appropriate plant de-
sign, a non-return valve should be fitted.

Electrical circuit

Electrical circuits and installations are subject to legal prescriptions which must be observed when planning the installations. Electrical in-
stallations must only be executed by professional experts. In the layout of the installation, the following factors should be taken into account
during plant design:
• ancillary connected to or after the meter
• maximum cable lengths with/without amplifier
• connection boxes, cable guides
• environmental disturbances
Electrical installations in hazardous areas are subject to special requirements. The pulsers must be powered by "Ex"-supplies from the non-
hazardous area. Consult an "Ex"-specialist.

Mounting

Place and position of mounting

• Easy access for reading the meter and controlling ancillary equipment is essential.
• Observe the operating temperature range (-10...60°C).
• Observe plant conception.

Preparation for the mounting

Check meters and mounting material. Compare the data of the meter with the expected maximum conditions in the installation. They may
not exceed the meter data:
• Flow rate max. (Q l/h)
max
• Service pressure max. (PN bar)
• Temperature max. (T)
• Threaded connections, flanges and seals (gaskets)
• Fixations for the meter
• Resistance to measured liquid and temperature.
12 DOMINO ARD, AMD, PMD