VERSION WITH 2 SPST ON-OFF RELAY OUTPUTS + 2 SEMICONDUCTOR RELAY OUTPUTS (VARIABLE COLLECTOR
PUMP SPEED), CONTACTS POWERED
WARNING! S1 (or ‘COL’) S2 S3 and S4 are Pt1 temperature sensors. For S1 sensor the -5uC..+2uC range probe
(grey cable) must be used while the probes with the range of -5uC..+11uC (blue cable) can be used for the other probes.
9hen setting up installations with 2 solar panels the probes corresponding to S1 and S4 m u s t b e e x c l u s i v e l y o f t h e
-50°C .. +200°C range type. The relay outputs relative to 1 2 3 4 loads are powered (238`); the output of the auxiliary
alarm relay is changeover type (SP&T) with voltage free contacts. It is advisable to ſt a 1A 258` fuse on the power unit
mains capable to intervene in case of short circuits on loads.
IN ORDER TO CHECK THAT THE DEVICE IS WORKING CORRECTLY IT IS NECESSARY FOR THE LOADS TO BE CONNECTED.
TERMINAL $OAR& )ROUN&IN): On the base of the control unit case is located a brass terminal board for connecting the
ground protection conductors of the load devices connected to the control unit.
OUT 4
FUSE 10A
ALARMOUT 1OUT 2OUT 3 230V~
±10%
50Hz
SOLID
STATE
SOLID
STATE
?
WARNING! Before wiring the appliance be sure to turn the mains power off.
OUT 1 e OUT 2 are semiconductor solid state relays suitable to drive the speed of a circulation
pump. In case they are used to drive other electric devices (i.e. motorized valves) P12, %MN1
and/or %MN2 must be set to 100% (maximum speed).
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