Nastec SUND 50, Installation And Use Manual

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11
5. Use and programming
The pump can be operated in a basic way through the included keyboard.
Stand-by red led Red led ON: unit is powered with correct input
voltage
Blinking red led: undervoltage
Motor running
green led Green led ON: motor is running
Green led OFF: motor is stopped
When the units is on “constant value” control mode,
the green led blinks with higher frequency as much
as the measured value is next to set value. If
measured value is the same as set value, the green
led is steady.
Alarm yellow led Yellow led blinks with frequency which depends on
alarm type. See “Alarms” chapter.
Motor start and
stop button Motor start and stop.
If the unit is in alarm status, it is possible to try
resetting the alarm by pressing the button two
times.
SET green led Green led is ON when it’s possible to modify the set
value (constant value mode) or the set frequency (fix
frequency mode). Keep pressed the Up button or the
Down button more than 5 seconds in order to
enable the set adjusting.
If the SET led is off, it is not possible to change the
set value.
When two or more units are in COMBO mode, the
SET led blinks only on master unit. In this way it is
possible to understand which unit in the group is the
master and thus act on it to start and stop the
system.
Green led blinks fast when the unit is connected to
smartphone and remotely controlled by the App.
Up button Through the UP button is possible to increase the set
value (constant value mode) or the set frequency (fix
frequency mode).
In order to allow set changing it is necessary to keep
pressed the UP button or the DOWN button more
than 5 seconds till the green SET led becomes ON.
Down button Through the DOWN button is possible to reduce the
set value (constant value mode) or the set frequency
(fix frequency mode.
In order to allow set changing it is necessary to keep
pressed the UP button or the DOWN button more
than 5 seconds till the green SET led becomes ON.