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which in turn are divided into
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9.4.5 Parameters concerning multipump
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These are parameters that can be divided among the various devices
and in some cases it is necessary for them to be different. For these pa-
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the various devices. For example, in the case of manual assignment of
the addresses, these must absolutely be different one from the other.
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Sensitive parameters
These are parameters which must necessarily be aligned over the whole
chain for adjustment reasons.
List of sensitive parameters:
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For good operation of the pressure boosting set, the following
must be the same for each device:
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9.4.3 - Wireless communication
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sure signals by wireless communication.
9.4.4 - Connection and setting of the photocoupled inputs
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iary setpoint, system disabling and low suction pressure functions. The
functions are indicated respectively by the messages F1, Paux, F3, F4.
If activated, the Paux function boosts the pressure in the system to the
set pressure see par. 7.7.8.3 - Setting auxiliary setpoint input function.
The functions F1, F3, F4 stop the pump for 3 different reasons, see par
7.7.8.2, 7.7.8.4, 7.7.8.5.
The parameters for setting the inputs I1, I2, I3, I4 are part of the sensitive
parameters, so setting one of these on any device means that they are
automatically aligned on all the devices. As the setting of the inputs not
only selects the function, but also the type of polarity of the contact, the
function associated with the same type of contact will perforce be found
on all the devices. For the above reason, when using independent con-
tacts for each device (as is possible for the functions F1, F3, F4), these
must all have the same logic for the various inputs with the same name;
that is, for the same input, either normally open contacts are used for all
the devices or normally closed ones.
Parameters linked to multipump operation
The parameters shown on the menu for multipump operation are classi-
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