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EN
SAFETY MEASURES
1. The device is under the life-threatening supply voltage of
220V, 50 Hz. Installation and electrical connection should
be made by qualified specialists in strict accordance with
“Rules for Technical Operation of Electric Installations
of Consumers” and “Safety Code for Technical Operation
of Electric Installations of Consumers”.
2. Before any operations, disconnect the device from power
line and open valves in order to blow the system pressure
down.
3. Do not use the control unit without grounding.
4. Do not use the control unit with upper cover removed.
5. The device dismounting and repair shall be performed
only by maintenance specialists.
OPERATION ALGORITHM
1. At water flow rate of more than 2 l/min, the pump is
switched on and starts to pump water continuously
(pump mode).
2. The device can operate in two modes – basic mode and
temporary mode.
Basic mode:
The pump is automatically switched off at the system pres-
sure Pmax and switched on at pressure drop to Pmin.