Zenit APG GREY Series, Руководство по первой установке

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16
water solutions
First installation manual – Translation of original instructions
3
Tripped circuit breaker
High drop voltage Reestablish the correct voltage supply.
Low voltage supply
Measure the voltage supply. Reestablish the correct voltage
supply.
Clogged hydraulic Clean the hydraulic parts and remove the blocking material
Blocked rotor Contact an authorised service center.
Short circuit in the motor winding Contact an authorised service center.
Wrong electrical connection Check and correct the electrical installation.
Low setting of the thermal relay
Set the relay in accordance with the rated current on the name-
plate
4
Tripped residual current
device (RCD)
Low motor winding insulation Contact an authorised service center.
Fault in cable Have the cable checked and repaired by a qualified electrician.
5
The pump operates but the
flow is low or null
Clogged hydraulic Clean the hydraulic parts and remove the blocking material
Clogged outlet pipe Clean the outlet pipe.
Blocked non-return valve Clean the non-return valve.
Outlet valve blocked or closed Open and/or clean the outlet valve.
Wrong direction of rotation
Check the direction of rotation, interchange any two of the pha-
ses.
Leakage in the pipeline Check the pipeline and fix the leakage causes.
Wrong pump selection Replace the pump with a suitable one.
6
Starts per hour exceed the
permitted number
Wrong setting of the level control Correct the level control setting.
Level control malfunction check the level sensors functionality.
Turbolence near the level sensors
Remove the causes of turbulence or change the positioning of
the level sensors.
Undersized tank Adjust the tsank dimension.
7
Noisy operation and excessi-
ve vibrations
Fault in bearings Contact an authorised service center.
Damaged impeller Contact an authorised service center.
Blocked impeller Clean the hydraulic parts and remove the blocking material
Wrong direction of rotation of the
impeller
Check the direction of rotation, interchange any two of the phases.
8
The pump works correctly but
absorbed current is too high
Wrong duty point Make sure the pump operates within its operative range
Wrong voltage supply Reestablish the correct voltage supply.
Clogged hydraulic Clean the hydraulic parts and remove the blocking material
Fault in bearings Contact an authorised service center.
Wrong direction of rotation of the
impeller
Check the direction of rotation, interchange any two of the phases.
9
Leakage detection
Water ingress in the motor due to
damaged cables, o-rings or cable
glands.
Contact an authorised service center.
Water ingress in the mechanical
seal chamber due to wearing or
breaking down of mechanical seals
or o-rings
Contact an authorised service center.
EN