Saci EASYTRONIC Manual De Instalación Y Mantenimiento página 28

a) Power connections:
Power Supply (50/60Hz)
220-240V Single Phase
220-240V Three Phase
380-420V Three Phase
b) Conexiones de señales
Signal
Relays 1 and 2
Irrigation
controller
Pressure
transducer
Input 1
Input 2
Description
Outputs that act as programmed in the settings menu of 9. OUTPUT
RELAYS.
These outputs are potential free and support a maximum load of 5A at
230Vac.
This input is used in case you need to enable the equipment through
an irrigation controller.
Requires an external signal up to 48V (AC or DC) and must be ena-
bled in the menu 6. FINE SETTINGS, as long as the application type is
BOOSTER SET and/or BOREHOLE PUMP.
In the COMBINED application type, the irrigation controller only will
have an effect on the operation of pump 2.
Pressure transducer connection (4-20mA) and maintaining polarity
shown in the transducer connection drawing.
This input must be enabled in menu 5. TYPE OF APPLICATION by se-
lecting the pressure transducer as start/stop device.
In the COMBINED application type, it can be selected whether the
pump to controlled by the pressure transducer is either pump 1 or
pump 2.
This input uses 2 or 3 contacts, depending on the selection made as
protection device in menu 5. TYPE OF APPLICATION.
In the COMBINED application type, this entry will only have effect as a
safety device for stopping the pump 1.
In the other types of application, the device connected to this input will
act as I stop the whole system.
In all types of application, for the configuration of this input we will
have of the following options: FLOAT SWITCH, MINIMUM PRESSURE
SWITCH, WELL PROBES and NO PROTECTION.
The NO PROTECTION option should be selected if you do not want any
device to can stop the pump(s).
Only in case of selecting 3 well probes, the 3 contacts will be required.
This input uses 2 or 3 contacts, depending on the selection made as
start/stop device in menu 5. TYPE OF APPLICATION.
In the COMBINED application type, this entry will only have effect as a
start/stop device for pump 1.
In the other types of application, the device connected to this input will
act as start/stop of the pump that you need to start/stop first.
Motor (50/60Hz)
220-240V Single Phase
220-240V Three Phase
380-420V Three Phase
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