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

9.8
ENGLISH
Troubleshooting ED 1 T-ED 1,5 T-ED 2,5 T-ED 4 T-ED 7,5 T-ED 8 T- ED 15 T SD
ED 20 T SD-ED 25 T SD-ED 30 T SD
FAULTS CHECK (POSSIBLE CAUSES) REMEDY
1. The motor is not A. The magnetothermal switch of the panel A. Check the insulation of the pump cables, of
fed
(ref.4) or the differential automatic switch on the pump or of the floats. Reset the
the distribution panel has tripped..
magnetothermal switch located in the panel
(rif.QM1) or the differential switch on the
distribution panel.
B. No voltage on terminals L1-L2-L3
B. Check the control unit connecting cables and
any switches or insulating switches in the
system.
C. The protection of the internal transformer has C. Turn off the main switch for three minutes,
tripped.
then switch it on again Starting of the
electropump excludes the fault. If the
D. The remote control switch ref. KM1 vibrates. D.
electropump is not fed, or is temporarily fed,
identify any short circuits in the secondary
circuit of the transformer.
The supply voltage is insufficient.
2. The protection ref. A.
QM1 intervenes..
Pump impeller blocked.
A. Carry out maintenance to free the impeller.
FAULTS CHECK (POSSIBLE CAUSES) REMEDY
3. The thermal A. Check the working environment temperature A. Reduce the temperature of the fluid to be
protection in the of the electropump.
pumped.
windings of the B. Pump impeller blocked or clogged.
B. Carry out maintenance to free the impeller.
motor trips. C. Check the state of the rotor shaft bearings of C.
the electropump.
Change the pump bearings if worn.
4. The pump A. The floats are not correctly connected to the A. Correctly connect the floats and check
continues
control panel.
operation of the system (par.8.3)
delivering and B. The floats are faulty.
B. Change the floats.
does not respond C. The remote control switch KM1 is faulty C. Change the part
to external (contacts are stuck).
5.
commands.
The remote control A. The connections of the leads from the motor A. Connect the leads from the motor, strictly
switch ref. KM1 is are inverted on the control unit terminals. respecting the enclosed diagrams.
fed intermittently Only for ED 2,5 T
6. The remote alarm A. The reference float P is not connected exactly A. Correctly connect the float and check
is not working. to the control unit or does not follow the water
level..
operation of the system..
B. The float is faulty.
B. Change the float.
C. The acoustic or luminous signal ref.Q is not C. Check the connections and the
correctly connected to the respective terminals correspondence
characteristics.
of the electrical
9.9 List of spare parts
ED 1 T
REF Code Description Model
QM1 002773350 MODULAR AUTOMATIC SWITCH 1,6/2,5A
GV2-ME07 TELEMECANIQUE
140-MN-0250 AB
MS325/2.5 ABB
KM1 002773460 REMOTE CONTROL SWITCH 4 KW 400V AC3 24V 50/60Hz
LC1 D09 B7 TELEMECANIQUE
100-C09KJ10 AB
A 9-30-10 ABB
TC1 002771291 SINGLE-PHASE TRANSFORMER 0-230-400/24 30VA
KA1 002773261 BAYONET RELAY, 2 CONTACTS, COIL 24V ac 40.52.80.24.0000 FINDER
ED 1,5 T
REF Code Description Model
QM1 002773351 MAGNETOTHERMAL SWITCH 2.5/4A
KM1 002773460 REMOTE CONTROL SWITCH 4 KW 400V AC3 24V 50/60Hz
TC1 002771291 SINGLE-PHASE TRANSFORMER 0-230-400/24 30VA
31
GV2-ME08 TELEMECANIQUE
140-MN-0400 AB
MS325/4 ABB
LC1 D09B7 TELEMECANIQUE
100-C09KJ10 AB
A 9-30-10 ABB
KA1 002773261 BAYONET RELAY, 2 CONTACTS, COIL 24V ac 40.52.80.24.0000 FINDER