ED 3 M HS - DAB Pumps S.p.a.

P
25 - 26
Q
31 - 32
U-V-W
U-V-W
U1-V1-W1 U2-V2 –W2
K -K
FU3
FU4
ENGLISH
Connection terminals for the alarm float. Contact characteristics: � 8 Amp; ��250V
Any intervention of the panel protections do not exclude the float function.
Connection terminals for the remote alarm for indicating intervention of the alarm float.
Contact characteristics: without potential, NO (normally open); � 8 Amp; ��250V.
Electropump P1 connection leads for panels type ED 1 T – ED 1,5 T.
Scrupulously respect the required correspondence.
Electropump P1 connection leads for panels type ED 2,5 T, ED 4 T, ED 7,5 T, ED 8 T.
Scrupulously respect the required correspondence.
Electropump P1 connection leads for panels type ED 15 T SD, ED 20 T SD.
Scrupulously respect the required correspondence.
Connection of motor thermal protector.
ATTENTION! For pumps with KK thermal protector, please remove the
connector for KK clamps of the control panel and connect them with
protection cables which are present on the pump cable (pag. 96).
Fuses for protecting the transformer against incorrect connection of the motor leads (0.2A)
The panel remains live even after intervention of the protection device which interrupts operation. (only for ED 2,5 T)
Disconnect the power before maintenance.
Fuses for protecting the relay KA1 against incorrect connection of the motor leads (0.2A)
The panel remains live even after intervention of the protection device which interrupts operation. (only for ED 2,5 T)
Disconnect the power before maintenance.
14 Spare fuses for FU3 or FU4 (0,2A).
9.3 Electrical connections
9.3.1 Before connecting the power cables to terminals L1 - L2 - L3 of the insulating switch, ensure that the main
switch on the power distribution panel is in OFF position (O), and that no one can switch on the power
accidentally.
9.3.2 Scrupulously observe all the regulations in force concerning safety and accident prevention.
9.3.3
Ensure that all the terminals are fully tightened, paying particular attention to the earth terminal.
9.3.4 Connect the cables to the terminal board as indicated in the wiring diagrams given in the enclosed booklet.
9.3.5 Check that all the connecting cables are in excellent condition, with the external sheathing unbroken.
9.3.6 Check that the differential switch that protects the system is of the right size.
Provide automatic protection of the supply line against short circuits by means
of ACR fuses type “gG” according to the following table:
PANEL MODEL ED 1 T ED 1,5 T ED 2,5 T ED 4 T ED 7,5 T ED 8 T
FUSES 8 A 10 A 16 A 25 A 32 A 32 A
PANEL MODEL ED 15 T SD ED 20 T SD ED 25 T SD ED 30 T SD
FUSES 63 A 80 A 100 A 160 A
9.3.7
The apparatus must be correctly and safely earthed as required by the
regulations in force.
9.3.8 Depending on the type of installation, limit the maximum length of the power cable as follows:
Panel model Max. line length ( m )
( section 1.5 mm 2 Max. line length ( m )
) ( section 2.5 mm 2 Max. line length ( m )
)
( section 4 mm 2 )
ED 1 T 130 220 350
ED 1,5 T 85 140 220
ED 2,5 T 50 90 140
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