Device Prot Ection Features; Installation; Hydraulic Connection - EBARA Press-o-Matic Instrucciones Para El Uso

DEVICE PROTEC TION FEATURES
√ Dry running
√ Undervoltage on power line (activation at approx. 200 Volt)
√ Overvoltage on po wer line (activation at approx. 260 Volt)
√ Output terminal short circuit
√ Motor output amperometric control
√ Internal overheating in inverter
√ Significant leakage with continuous motor pump restarts

INSTALLATION

HYDRAULIC CONNECTION:

The Press•o•Matic must be installed on the pump deli very side, either upright or horizontally and
respecting the flow direction shown by the arrow on the cover. The pump outlet water flows through the
device before being distributed to the various appliances connected.
The water that enters the Press•o•Matic unit must no t contain any impurities and/or other substances that
could jam up the check valve fitted inside it. To reduce this risk as much as pos sible, it is advisable to fit
special filters on the intake side of the pump.
Install a sm all expansion tank (1-2 litres) after the Press•o•Matic, to limit restarts caused by any small
leakages which are common in most systems. The pre-charge value of the tank must be suitable for the
pressure values set. This will also help to keep the operation constant in applic ations where water
requirements are greater (e.g. for dishwashers, toilet flushing sys tems, etc.).
On no account must a check valve be fitted between the Press•o•Matic and the motor pump or between
the device itself and the user appliances, as it could cause device malfunctions.
A check valve can be fitted on the motor pump intake pipe, though, to prevent i t draining when the pump
stops.
It is recommended that you do not install the equipment in shafts or watertight casing where heavy
condensation can form.
CAU TION: when the pump stops, the conduits are still pressured so a cock must be opened to bleed
the system before any work is carried out.
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