Calpeda EASYMAT Instrucciones Originales De Uso página 20

5.3.1. System icons
AUTO MODE
The system is operating in auto mode.
MANUAL MODE
The system is operating in manual mode.
SET-UP MODE ACTIVATED
It shows that the set-up menu is activated.
When a icon is blinking you are modifying
a parameter. You can confirm with
enter.
ALARM
It indicates that there is a fault on the
system, the error number appears on the
display area. When you are on the set-up
mode the alarm icon will not appear
SENSOR STATE
It indicates that the system is connected
with the pressure transducer; if it is blinking
there is a fault on the pressure transducer.
PUMP STATE
It indicates if the pump is running or in
stand-by state.
CASCADE MODE
It indicates that the cascade control mode
is working. The 2 upper symbols show if
the pump is running or if the pump is in
stand-by. The lower symbol informs if the
pump is the master (lighted icon) or slave
(blinking icon).
5.3.2. Display area
It is composed from an incremental bar proportional
with the displayed value and its measure unit
The display is backlit, the light will be turn off after
20s of system inactivity.
5.3.3. Operating icons
Constant pressure mode
The system keeps the pressure constant
when the quantity of water requested by
the user changes.
Fixed speed mode
The system works at a fixed speed that
user can choose according to need.
5.4. Submersible
applications or long cables
To operate a submerged pump (or surface
pump),where the distance from the inverter is
more than 10 m, see paragraph 18.
Submersible motor must operate with a
frequency between 30 Hz (minimum
operating
(maximum frequency) for 50 Hz motors,
and between 30 and 60 Hz for 60 Hz
motors.
The running up time from 0 to 30 Hz and
the running down time from 30 Hz and 0,
must be as short as possible, according to
the motor power to operate.
6. Installation
For easy assembling and disassembling of the
frequency converter we recommend to respect the
minimum distances as show in figure herebelow.
In case of reduced distances connect the
frequency converter with the proper unions (see
paragraph 16.3.).
Do not install the control panel in places exposed
to direct sunlight or near sources of heat.
Fasten the heatsink (a) to the pipe by means of the
pipe housings (b1-b2) and the screws (c) in
equipment.
c b2
20
frequency) and
100
b1 a
pumps
50 Hz
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