Italtecnica Sirio Manuel D'instructions page 11

Dp.stop
0.5 BAR
Unit
BAR
Imax
0.5 Amp
lead to a more delayed trip time while a more significant overload will accelerate the trip time. On activation of the device, if
the Imax parameter is set at 0.5 A (factory setting), the display automatically shows the settings page of the maximum current
and no action is permitted until the absorption limit value is set.
Rotat.
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ADVANCED PARAMETERS:
The advanced parameters are accessible only to the technical assistance service. For access to these parameters, it is necessary
to contact the re-seller, a technical assistance centre or the manufacturer.
The following table lists the advanced parameters for reference when technical assistance is required.
REF. PARAMETER
1.2 Minimum frequency
1.3 Stop frequency
1.4 Nominal motor frequency
1.5 Switching frequency
1.6 Frequency correction
1.7 Soft-start
2.0 Flow switch activation
2.1 Command source
2.2 Auxiliary contact function
2.3 I/O board input function
2.4 I/O board output function
2.5 Delay on stop
2.6 Autoreset interval
2.7 No. autoreset tests
2.8 Total automatic reset
3.0 Pressure calibration 0.0 Bar
3.1 Pressure calibration 5.0 Bar
3.2 Flow sensor calibration
3.3 Pressure test
3.4 Flow switch test
3.5 Software Release
3.6 Power supply timing
3.7 Pump timing
3.8 Last error
3.9 Start-up
4.0 Vboost
4.1 Dry run
4.2 Protection starts per hour
4.3 Anti-blockage protection
4.4 Dead time PWM
4.5 Ki
4.6 Kp
4.7 Boost time
Delta P stop: this parameter sets the positive pressure delta compared to Pmax for immediate
shutdown of the pump. During normal operation, when the valves close, the pump stops after a
time set in the parameter "stop delay". In any case, if the system pressure exceeds the Pmax value
of a delta greater than that set in this parameter, the pump will stop immediately to avoid
overpressure which may damage the system.
Unit of measurement: select the unit of measurement in BAR or PSI
Imax: this parameter enables entry of the maximum current absorbed by the electric pump in
routine conditions, to enable shut-down of the motor in the event of excessive absorption. The
motor is also shut down if the current read during operation is below 0.5 A following interruption
of the connection between the motor and Sirio. The trip time of the current overload safety device
is inversely proportional to the entity of the overload in progress; therefore a slight overload will
Rotation direction (only for three-phase pump version): this screen enables the user to invert
the direction of rotation of the electric pump without modification to the electric motor wiring. To
modify the direction of rotation of the motor, use buttons "+" and "-"; the direction indicated by
the arrow has a purely indicative value and does not reflect the actual sense of rotation which must
be verified by the installer.
DESCRIPTION
Minimum motor start-up frequency
Motor shutdown frequency
Maximum nominal motor frequency
PWM Switching frequency
Maximum frequency correction
Soft-start activation/deactivation
Flow switch activation or deactivation
Source of manual or automatic command
Selection of auxiliary contact function
Function of I/O auxiliary board input contact
Function of I/O auxiliary board output contact
Delay on shutdown after closure of utilities
Time interval between autoreset attempts
Number of autoreset attempts
Enabling of overall reset of all alarms
To carry out calibration of the pressure sensor at 0 Bar
To carry out calibration of the pressure sensor at 5 Bar
To carry out calibration of the flow sensor
Current pressure test signal
Flow switch test signal
Release of software
Inverter power supply timer
Electric pump operational timer
Last error occurred log
Pump start-up counter
Voltage boost at 0Hz
Time delay before activation of the protection due to no water
Activation or deactivation of the control on the number of start-ups per hour
(leak checks)
Activation or deactivation of a function that automatically starts up the pump
after 24 hours of disuse
Dead time PWM setting
PID controller integral constant
PID controller proportional constant
Boost time at maximum frequency with soft start disabled
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