manual reset.
QM3 Automatic magnetothermal switch, for protection of the P3 motor supply line against overloads and short circuits, with
manual reset.
QM4 Automatic magnetothermal switch, for protection of the P4 motor supply line against overloads and short circuits, with
manual reset.
Set the automatic magnetothermal switches QM1 and/or QM2, QM3, QM4 following the indication of current absorbed
Fuses for protecting the inverter against short-circuits from:
16 A gG
10x38
2SP EFC 1,5T-1
3SP EFC 1,5T-1
FU1
4SP EFC 1,5T-1
2SP EFC 2,2T-1
3SP EFC 2,2T-1
4SP EFC 2,2T-1
2SP EFC 3T-1
3SP EFC 3T-1
4SP EFC 3T-1
Intervention inhibits the functions of the pump fed by the inverter but not of the
system.Disconnect the power before maintenance.
Fuses for protecting the voltmetric indicator for reading the line voltages and for protecting the transformer against
FU2
short-circuits of the primary circuit and of its supply. (1A gG 10x38 or 2 A gG 10x38).
Intervention inhibits all the panel functions and switches off indication HL1.
Fuses for protecting the transformer against short-circuits of the secondary circuit (4A) and (6.3, A) for control
FU3/
panels fitted with star-delta starters.
FU6
Intervention inhibits all the panel functions and switches off indication HL1.
QS1
Supply line insulating switch with door locking handle which may be padlocked.
Terminals for connection of the PR.TR. pressure transmitter for control of system pressure through the
PR.TR.
CONTROLLER unit and the inverter.
1 – 2- 3
Input characteristics: 15 V d.c. 4-:-20 mA.
P.S.1
Cables connected to the PS1 pressure switch for control of the P1 electric pump
Input characteristics: 24 V a.c. 0.5 A.
4– 5
P.S.2
Cables connected to the PS2 pressure switch for control of the P2 electric pump
Input characteristics: 24 V a.c. 0.5 A.
6 - 7
P.S.3
Cables connected to the PS3 pressure switch for control of the P3 electric pump
8 - 9
Input characteristics: 24 V a.c. 0.5 A.
Connection terminals for the P.MIN. minimum pressure switch. When using them, remove the
P.MIN
by-pass provided as a standard feature between terminals no. 11 ande no. 12.
10 - 11
Input characterstics: 24 V a.c. 0.04 A .
Terminals for remote signalling of control panel alarms:
-
Inverter alarm.
-
Motor overload.
ALARM
-
Water failure or minimum pressure.
12 – 13
-
Overpressure.
-
Sensor malfunction.
Contact characteristics: (N.O. contact 5 A 250 V).
MAN.
Terminals for remote signalling of required motor maintenance.
Contact characteristics: (N.O. contact 5 A 250 V).
MOT.
14 - 15
Cables connected to the PS4 pressure switch for control of the P4 electric pump
P.S.4
16 - 17
Input characteristics: 24 V a.c. 0.5 A.
External controls do not require connection to
Connection leads for the electropump P1
U-V-W
Scrupulously respect the required correspondence and make a good earth
P1
connection for the screen of the screened cable.
Connection leads for the electropump P2.
U-V-W
Scrupulously respect the required correspondence and make a good earth
P2
connection for the screen of the screened cable.
ENGLISH
in the electrical data plate.
20 A gG
10x38
2SP EFC 4T-1
3SP EFC 4T-1
4SP EFC 4T-1
they are connected to the PELV safety circuit (CEI EN 60204-1).
25 A gG
32 A gG
10x38
10x38
2SP EFC 5,5T-1
2SP EFC 7,5T-1
3SP EFC 5,5T-1
3SP EFC 7,5T-1
4SP EFC 5,5T-1
4SP EFC 7,5T-1
21
63 A Gg
80 A gG
NH OO
NHOO
2SP EFC 11SD-1
2SP EFC 22SD-1
3SP EFC 11SD-1
3SP EFC 22SD-1
4SP EFC 11SD-1
4SP EFC 30SD-1
2SP EFC 15SD-1
2SP EFC 30SD-1
3SP EFC 15SD-1
3SP EFC 30SD-1
4SP EFC 15SD-1
4SP EFC 30SD-1
SYSTEM-