Electrical Installation; Connection To The Power Supply - Astralpool MULTI-PARAMETRIC INSTRUMENT Manuel D'installation

Drill the necessary holes and fasten the instrument to the wall using the support provided.
The cable glands for the electrical connections are located on the lower portion of the control unit. In order to
facilitate the connections, therefore, any other devices must be positioned at least 15 cm away.
Protect the device against any drips and/or sprays of water from adjacent areas during the programming and
calibration phases.
2.2

ELECTRICAL INSTALLATION

2.2.1

CONNECTION TO THE POWER SUPPLY

If possible, keep any high power cables away from the instrument and its connection cable, as these could cause
inductive disturbances, especially for the analogical portion of the system.
Use an alternating 100Vac to 240Vac-50/60Hz power supply. The power supply must be as stabilised as possible.
Absolutely avoid connecting the device to rebuilt power supplies, using transformers for example, where the same
power supply is also used to power other systems (perhaps of an inductive typology). This could lead to the
generation of high voltage spikes which, once emitted, are difficult to block and/or eliminate.
ATTENTION: The electrical line must be equipped with an appropriate circuit breaker, in compliance with the
proper installation standards
It is nevertheless always a good idea to check the quality of the grounding connector. In industrial facilities, it is not
uncommon to find grounding connectors that cause electrical disturbances instead of preventing them; wherever
doubts should arise regarding the quality of the facility's grounding connectors, it is best to connect the control
unit's electrical system to a dedicated grounding rod.
2.2.2 CONNECTIONS TO DOSING SYSTEMS
ATTENTION: Before connecting the instrument to the external utilities (outputs and relays), make sure that the
electrical panel is off and that the wires from the Utilities are not live.
WARNING: With a resistive load, each relay contact can sustain a maximum current of 1 amp, at max. 230V, and
therefore a total power of 230 VA.
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