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LEO 6XRSm17/5-3 [10/10] Motor is too low or tripping of the earth leakage protector
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Acquaer Ltd. H-4900, Fehérgyarmat, Szatmári út 11.
Troubleshooting
Symptoms
Main Causes
Correction
Water cannot be pumped up
or water flow is too small
The motor cannot start
Check to see if the
there is a phase
failure or a poor
contact
Check to see if it is
caused by an
undersized cable. If
so, use a bigger
diameter cable.
Check to see if it is
a suitable control
box.
Choose a suitable
control box.
Blocked in pipeline or
screen
Clean the pipeline and
screen
Impeller blockage
or
wearing in floating wear ring
or sealing ring for guide
vane
Remove the sundries inside
the pump or replace the
impeller, guide vane and
sealing ring
Pipeline broken or water
leakage
Repair or replace the
pipeline.
The three-phase pump
rotates in reverse
Change any two-phase
cables positions
Too large water flow of the
pump. Too small water flow
in the well
and it is lower than
that of the pump
Replace a small flow pump
or stop for a while and
restart the pump while there
is enough water flow in the
well.
Excessive current or trips off
frequently
Too large flow rate.
Too low
head and motor is under
overload operation
Adjust the flow valve to
decrease the flow. Diminish
the motor load or replace a
low head pump
The pump shaft
bends. The
Impeller is blocked.
Replace the pump shaft or
rubber bearing
The rotator is
blocked or the
thrust
bearing wears badly.
Replace the thrust bearing
or thrust disc.
The hot resistance of the
motor is too low or
tripping of the earth
leakage protector
There is a breakage in rubber
cable
Replace the cable
Sealing failure in motor
Shut down the pump to do
the maintenance and check
for tightness
The motor cannot start but it
seems has current
Phase failure
Check the power cord and
connect the fuse
Too low voltage
Adjust the voltage to meet
the specified requirements
Содержание
- Borehole pump 1
- Instruction manual 1
- Congratulations on your purchase of a leo borehole pump 2
- Conditions of use 3
- Descriptions of model specification and performance 3
- General lntroduction 3
- A well 4
- Calculation of pump total head formula 4
- Condition of deep well 4
- Dynamic water leve 4
- H h h v2 h 4
- H head loss in the pump pipe inside the well refer to the table below 4
- H total head for the whole unit m 4
- Head of pump base 4
- Is pump head 4
- Pressure value i 4
- Pump bas 4
- Requirements in the process of pumping 4
- Selection of pump 4
- Static water level and dynamic water level of wen 4
- To the 4
- Vertical distanc 4
- Water output and guarantee of water source 4
- Well diameter and well depth 4
- Acquaer ltd h 4900 fehérgyarmat szatmári út 11 5
- Structure description 5
- This deep well submersible pump consists of pump working part pump power part submersible motor pipe part gate valve and control box etc connecting pump with motor with the shaft coupling to work under water see the figure below for its structure 5
- Installation use and maintenance 6
- Acquaer ltd h 4900 fehérgyarmat szatmári út 11 7
- Attachment of the heat shrink tubing 7
- Connection of the copper core cable heat 7
- Heat shrink tubing 7
- Insulation tape 7
- Shrink tubing copper core cable 7
- Waterproof tape 7
- Wrapping the insulation tape 7
- Wrapping the waterproof tape 7
- A suitable control 10
- Caused by an 10
- Check to see if it is 10
- Check to see if the 10
- Choose a suitable 10
- Contact 10
- Control box 10
- Motor is too low or tripping of the earth leakage protector 10
- So use a bigger diameter cable 10
- Symptoms main causes correction 10
- The hot resistance of the 10
- There is a phase failure or a poor 10
- Troubleshooting 10
- Undersized cable if 10
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