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4.2.4 GUIDE TO PERFORMANCE SETTINGS
Work point on the maximum
performance curve.
Work point within the adjustment
field.
4.2.5 TWIN PUMP FUNCTIONS
x
Twin pumps also provide the following, extra functions (CH):
•
Alternating. The two motors function in an alternating manner, changing place at each start-up or
after a set period of time entered in the installer parameter menu (see chpt. 5.3.4: CH2, SCA T and SCA S).
The second pump cannot function at the same time as the first in this mode. If the pump stops because of a
fault, the second pump will automatically substitute it.
x
•
Alternating with running hours. The two motors function based on the number of hours
worked, changing place after set number of hours entered in the installer menu (see chpt. 5.3.4:
CH4, SCA T and SCA S). The second pump cannot function at the same time as the first in this
mode. If the pump stops because of a fault, the second pump will automatically substitute it.
x
x
x
dP-c
Move left from the work point. Read the H1 delivery value and set the
pump to this work point
Move left from the work point.
Read the H2 delivery value and
set the pump to this work point.
CPS controls for the unit, such as MASTER (PRI – P) and SLAVE (SEC – S), are
automatically configured. Alternatively, the "advanced parameters" can be used
to configure the controls.
Settings for the master motor (PRI "P") can be selected using the installation
menu parameters.
Settings will be saved in case of a power failure.
For a correct configuration, we recommend using the installation parameter
menu (Lev. 2) with the machine on STOP and connected to the power supply.
Page 11 of 12
11 - GB -
dP-v
From the adjustment curve go
towards
characteristic curve, and then
move horizontally towards the left.
Read the H2 delivery value and
set the pump to this work point
11
the
maximum
41
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