EBARA SP FC 1,5T-2 Instructions Pour L'installation Et La Maintenance page 52

ENGLISH
1.15 Type of operation
System operation.
0) P-c, Constant pressure.
1) two relative transducers TRP1 –
TRP2 connected to the terminals: 1-
2-3 for the delivery pressure, 1-5-6
for the suction pressure.
2) P-c, as analog input 0-10V (AN1).
1.16 Load loss compensation
Automatic increase in bar of the Reference
Pressure, for switching on pumps in cascade
mode.
1.17 Proportional limit
Pressure band in bar, where the control unit
does not correct the pressure.
1.18 Periodic Minimum Speed Reduction
Set percentage of minimum speed below which
stopping of the pump supplied by the inverter
is enabled.
1.19 Periodic reduction
Pressure reduction due to stopped pump.
1.20 Periodic reduction interval
Time to stop pump at zero flow rate.
1.21 Restarting pressure
Pressure at which the inverter restarts.
IF CONTROL PANEL
INVERTER SINCE 24A OR HIGHER,
SET AT 0.5 BAR
1.22 Minimum Speed
Set percentage of inverter speed to enable
stopping of the pumps in cascade mode.
1.23 Minimum Frequency
Inverter minimum set speed for enable the
arrest of the pump
1.24 Pump exclusion delay
Exclusion delay in seconds of the pumps after
the first.
0 - 2
00.0 - 01.0 bar
0.0 - 2.0 bar
000 - 100 %
0.0 - 2.0 bar
0 – 100 s
00.0 - 02.0 bar
WITH
010 - 100 %
020 - 040 Hz
0 - 100 s
52
0
00.0 bar
0.2 bar
085 %
0.5 bar
30 s
00.8 bar
(00.5 bar)
070 %
025 Hz
5 s