WITA ADELINO AJ-Serie Installation Und Betriebsanleitung Seite 33

3. Arrange a drainage ditch around the
electric pump to form natural drainage and
prevent water leakage and loss during the
usage, repair, or replacement of the electric
pump (especially at a basement, kitchen, or
stairway).
4. To equip a three-phase electric pump with an overload
protection device, a suitable overload protection device shall be
selected based on its current or power.
Warning
5. To adjust the pressure switch, open the housing of the
pressure switch by using a slot-type screwdriver or wrench to
rotate the pressure adjusting screw toward "+".
Warning
A non-specialized person shall only adjust the switch
when it hase been powered off and a specialized person
shall take safety protection measures if it needs to be
adjusted when the power is on.
6. To add a wire for the plug or replace the wire, please use a
wire whose specifications are the same or higher than those of
the original wire and make sure the connections are secured,
water-proof and insulated.
Check valve
7. With the valve at the outlet is closed, the electric
pump shall not operate for more than 5 minutes. If
the electric pump operates with no water flow change
inside the pump body, it may lead to the increase of
the temperature and pressure of the liquid in the pump
body, leakage may occur or the pump or pipeline may be
damaged.
Bearing
Guide vane
Impeller
Jet pipe
Mechanical seal
25cm
25cm
Connected to the sewer pipe
25cm
OFF
08