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ARCHIMEDE LCD SERIES - ENG
ELECTROIL
5.2.2 Connecting the pressure transducer to Old waterworks system
•
Pump comes with PRESSURE-SWITCH with tank or with galvanized steel
tank: mount the pressure transducer in place at the pressure switch, using
reduction to ¼ "M. In case you need to maintain the switch for maximum
pressure additional security, connect the N.C. output of the switch to ENABLE
and 0V contacts (poles 2 and 5 of J5 electronic board, fig. 14,15, 16)
•
Pump comes with flow switch device: replace the flow switch with a T-fitting
flow and in the central hole screwing the pressure transducer. This allows you
to eliminate the problem of any blocking of the valve flow and to eliminate
pressure drop, does mean eliminate all the problems inherent the flow switch
systems.
•
It is possible to use a valve or other type of output provided at the delivery of the pump.
In case of installation of the check valve on the outlet of the pump, place the pressure transducer after the valve.
5.2.3 Membrane Tank
For an optimal pressure control is recommended to mount a small diaphragm tank (12L are usually good for a pump
up to 2Hp).
For a perfect operation of the control of pressure, make sure that the tank is capable of withstanding the pressure and
set the correct pressure to pre-load before connecting it to (normally 0.5-1 Bar less than the working pressure).
5.3 Inverter-Pump connection
For Single-phase input / three-phase output inverter (
IMMP
), connect the cable of the Inverter (No. 3 of fig.4) to the
power plug of the pump, if the pump incorporates the capacitor.
To connect a single phase pump
without capacitor please connect it
following the scheme below (C1, fig.
11, not included).
Fig 9: pressure switch system
with
pressure
switch
to
replace with transducer
Fig 10: Replace old flow
switch system
Figura 11 – Single-phase motor connection
