ENGLISH
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Figure 4: Example of Connection of Digital Inputs Start/Stop and Economy
Functions associated with the digital inputs
I1
Start/Stop
: If input 1 is activated from the control panel (see par. 9) it will be possible to
command the switching on and off of the pump in remote mode.
I2
Economy
: If input 2 is activated from the control panel (see par. 9) it will be possible to
active the set-point reduction function in remote mode.
I3
Quick Start: If input 3 is activated from the control panel, the pump is started at
the quick start frequency Fq (see advanced menu).
I4
Not enabled
Figure 5: Example of Connection of Quick Start Digital Input
With reference to the example in
Figure 4
, and if the
EXT
and
Economy
functions have been activated from the control panel, the
system behaviour will be as follows:
R1
R2
System Status
Open
Open
Pump stopped
Open
Closed
Pump stopped
Closed
Open
Pump running with set-point set by the user
Closed
Closed
Pump running with reduced set-point
