DAB ESYBOX DIVER Instrucciones De Instalación Y Mantenimiento página 27

7.4 RS: Rotation speed display
Motor rotation speed in rpm.
7.5 PO: absorbed power
Power absorbed by the power supply line.
7.6 C1: Current display
Motor phase current in [A].
7.7 SV: Supply voltage
7.8 TE: Dissipator temperature display
7.9 Number of starts
7.10 Saving
Saving achieved compared to using an ON/OFF type pump
7.11 Energy consumption current month
7.12 Energy consumption previous month
7.13 Flow delivered in current month
7.14 Flow delivered in previous month
7.15 SP: Setting the setpoint pressure
The pump restarting pressure is linked not only to the set pressure SP but also to RP. RP expresses the decrease in pressure, with respect to
"SP" caused by the pump starting
Setting too low a pressure (SP), which does not allow the water to overcome the difference in height between the pump and the point of use,
can cause false dry running errors (BL). In these cases increase the SP pressure.
7.16 RP: Setting the pressure fall to restart
Expresses the fall in pressure with respect to the SP value which causes restarting of the pump. For example if the setpoint pressure is 3.0 [bar]
and RP è 0.5 [bar] the pump will restart at 2.5 [bar]. RP can be set from a minimum of 0,3 a maximum of 1 [bar]. In particular conditions (for
example in the case of a setpoint lower than the RP) it may be limited automatically.
7.17 OD: Type of plant
Possible values of rigidity and elasticity. The device leaves the factory with a rigid setting suitable for most systems. In the presence of swings
in pressure that cannot be stabilised by adjusting the parameters GI and GP, change to the elastic mode.
7.18 GP: Proportional gain
Generally the proportional term must be increased for systems characterized by elasticity (for example with PVC pipes) and lowered in rigid
systems (for example with iron pipes). To keep the pressure in the system constant, the inverter performs a type PI control on the measured
pressure error. Depending on this error the inverter calculates the power to be supplied to the motor. The behaviour of this control depends on
the set GP and GI parameters. To cope with the different behaviour of the various types of hydraulic plants where the system can work, the
inverter allows the selection of parameters different from those set by the factory. For nearly all plants the factory-set GP and GI parameters
are optimal. However, should any problems occur in adjustment, these settings may be varied.
7.19 GI: Integral gain
In presenza di grandi cadute di pressione all'aumentare repentino del flusso o di una risposta lenta del sistema aumentare il valore di GI.
Invece al verificarsi di oscillazioni di pressione attorno al valore di setpoint, diminuire il valore di GI.
IMPORTANTE: Per ottenere regolazioni di pressione soddisfacenti, in generale si deve intervenire sia su GP, sia su GI.
7.20 TB: Blockage time due to dry operation
Latency time in seconds between detection of water shortage conditions and occurrence of the error.
7.21 T2: Delay in switching off
Latency time in seconds between detection of the shutdown conditions and the actual shutdown of the pump.
7.22 RM: Maximum speed
Sets a maximum limit on the number of pump revolutions.
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