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I-MAT_Ed2 - Operating Instructions Page 37 / 136
(stop) as priming has not been carried out correctly
and the pump is idling. Re-prime the pump and
repeat the starting up procedure.
12.1. Cascade mode plant starting
Check that all the cascade mode parameters are
with the desired values, the parameters that can
change the cascade mode operation are:
PC14 / PP13 Cascade mode start fall
pressure setup.
PC15 / PP14 Cascade mode restart delay.
PC16 / PP15 Cascade mode fall pressure
limit setup.
To do the plant starting follow the instructions under
paragraph 12.
12.2. Inversion of the direction of rotation
To change the direction of rotation of the motor push
the button
(menu) and then with the button
(plus) or (minus) move up to the programming
parameter UP. Conrm with (enter) and with
the button (plus) or (minus) move up to the
parameter UP04, conrm with (enter) and by
pushing of the button (plus) change the value,
conrm with (enter). To exit the program, push
(menu) until you arrive on the basic display,
when you are out from the setup mode the icon
disappear.
12.3. Vessel pressure
Once the new working pressure is entered,
the tank preloaded pressure must be
changed to 2/3 if the working pressure (i.e. 4
bar working pressure, tanks to be preloaded
at 2.7 bar).
13. Use of megaohmeter
OFF
Measuring the resistance of an installation
incorporating the frequency converter is not allowed,
because the electronics may be damaged. If it is
necessary, disconnect the frequency converter and
use the megaohmeter directly on the terminal box
of the pump.
14. Maintenance
ON
Inspect the tank preloaded pressure of the delivery
vessel periodically.
15. Disposal
OFF
Observe the local regulations and dispose of any
control gear accordingly. This product contains
electrical and electronic components and should
be disposed accordingly.
Separate the components using anti-cut water
resistant gloves. Is preferred to help to make a
further use or dismantling.
The device must be dismantled in different way
from normal. For disposal must be followed the
actual laws and regulation of the country where the
disposal is made, other than the international laws
and norms for ambient protection.
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