Ch. 2 Limitations
The electropump cannot be used to move inflammable or
WARNING
dangerous liquids.
WARNING
Verify that the electropump never runs without liquids.
Technical Data
Mains voltage / Frequency
Absorbed power
Type of protection / Insulation class
Delivery fitting
Maximum flow rate
Maximum head
Maximum immersion depth
Power cable
Weight
Maximum dimension of pumped solid particles
Maximum admitted working pressure
Maximum amount of sand
Maximum diameter of the well
Maximum temperature of the pumped fluid
Maximum number of starts per hour
Ch. 3 INSTALLATION
DANGER
Electric
shock risk
Avoid using the electric cable to lift or transport the pump.
Use a stainless steel or nylon rope, suitable to sustain the weight, to immerse the electropump.
Two slots are present for allowing the anchoring of the head of the electro-pump.
Anchor the rope so that it balances the weight of the electropump.
It is advisable to connect the electric cable to the delivery with plastic straps, at a distance of about 3 m, when using
rigid piping.
It is also advisable to fit automatic level controls to prevent the electropump from running without liquids and a
pressure gauge (suitable to the electropump model) to verify its performance during operation.
Ch. 4 ELECTRICAL CONNECTIONS
WARNING
DANGER
Electric
shock risk
DANGER
Electric
shock risk
Electropumps have a plug with double ground contact at the end of the power supply cable. In this case the
electropump is grounded by inserting the plug in the socket.
Overload protection
SUB is a single-phase electropump with in-built thermal circuit breaker and automatic reset and doesn't therefore
require any external protections.
6
8
SUB
S
SUB
S
230 V ~ 50 Hz
230 V ~ 50 Hz
800 Watt
1100 Watt
IP 68 / F
IP 68 / F
1" 1/4 F
1" 1/4 F
3.300 l/h
6.000 l/h
50 m
57 m
20 m
20 m
20 m H07 RNF
20 m H07 RNF
12 Kg
13 Kg
≤ 2 mm
≤ 2 mm
7 bar
7 bar
3
3
50 gr/m
50 gr/m
100 mm
100 mm
40° C
40° C
30, uniformly distributed
30, uniformly distributed
All the operations that concern the installation must be
carried out with the pump disconnected from the energy
supply.
Verify that the voltage and frequency of the electropump
shown on the nameplate correspond to those available on
the mains.
The installer must make sure that the electric system is
grounded in accordance with the law in force.
Make sure that the electric system has a high-sensitivity
∆
circuit breaker
=30 mA (DIN VDE 0100T739).
2
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Ch. 5 STARTING THE UNIT
Connect the pipe to the 1" 1/4 delivery mouth before starting the electropump.
Connections must be made so as to avoid losses.
Start the pump by inserting the plug in an appropriate outlet.
Ch. 6 - MAINTENANCE AND TROUBLESHOOTING
In ordinary working conditions electropumps of the SUB series do not need any maintenance.
It may be occasionally necessary to clean the filter or other hydraulic parts.
If the electropump is not going to be used for long periods of time (e.g. an entire season) it should be completely emptied,
rinsed with clean water and stored in a dry place.
Cleaning the filter
- If the sucked water is not perfectly clean, it may be necessary to clean the filter with a steel brush to scrape the
dirt accumulated on the external surface.
It is also possible to clean the internal section of the filter.
Loosen the screw that fixes the filter to the body of the electropump and remove it.
Scrape the dirt with a steel brush and rinse it with clean water.
If this is not sufficient, have the hydraulic parts cleaned by an authorised centre.
PROBLEM
THE ELECTROPUMP DOES
NOT PUMP WATER, THE MO-
TOR DOES NOT RUN
THE MOTOR RUNS BUT THE
ELECTROPUMP DOES NOT
PUMP LIQUID
THE ELECTROPUMP STOPS
AFTER RUNNING FOR A
SHORT PERIOD OF TIME BE-
CAUSE ONE OF THE THERMAL
MOTOR CIRCUIT BREAKER
TRIPS
If the problem cannot be eliminated after carrying out the above-described operations contact the closest service centre.
5
6
Use the electro-pump in the performance field listed on
WARNING
the information label
Do not operate the electropump without liquids, to avoid
WARNING
damaging hydraulic parts and seal.
Do not oparate the electropump when the interception valve
WARNING
on the delivery side is completely closed.
DANGER
Make sure the machine is disconnected from electric power
Electric
supply, before performing servicing oparationn.
shock risk
DANGER
The electricity supply cable must be replaced by specialised
Electric
personnel; contact your reseller.
shock risk
POSSIBLE CAUSE
REMEDY
1) No power.
1) Check the presence of voltage and if the plug is plugged in
properly.
2) Motor protection tripped.
2) Verify the cause and reset the switch. If the thermal circuit
breaker has tripped wait for the system to cool down.
3) Replace the condenser.
3) Defective condenser.
4) Shaft blocked.
4) Verificare la causa e sbloccare l'elettropompa
1) The pump is sucking air.
1) Check:
a) that the joints are sealed
b) that the level of the liquid has not gone below the
minimum priming level
2) The pump rotates in the wrong
2) Reset the direction of rotation.
direction
3) Suction grid blocked.
3) Clean the filter
4) Check valve blocked.
4) Clean or replace valve.
1) The power supply does not conform
1) Check the voltage on the power supply cable leads.
with the data on the nameplate.
2) A solid object is blocking the impellers.
2) Take the electro-pump apart and clean it
3) The liquid is too thick.
3) Change the type of electropump.
3
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