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6.
PLATE SHOWING CHARACTERISTICS
7. POSSIBLE FAULTS, CAUSES AND SOLUTIONS
1)
Pump does not prime.
2) Pump supplies scant flow.
3)
Pump noisy.
4)
Pump does not start.
5) Motor makes sound but does no start.
1 2 3 4 5 POSSIBLE PROBLEM
X X
Air entry trough suction line
Inadequate airtightness of filter cover Clean the filter cover and verify con- diction of rubber
X
X X
Motor turning direction reversed
X
Defective mechanical seal
X X
Excessive suction height
Incorrect voltage
X X
X
X
No water in prefilter
X
Suctioning out of water
X
Filter clogged
Diameter of suction line smaller than
X X
required
X
Discharge clogged
X
Incorrect pump attachment
X
Foreign body in pump
X
Thermal relay tripped
X
Lack of power
X Motor blocked
8. TECHNICAL DATA
Liquid temperature: ......................... 4ºC - 35ºC
Ambient temperature: ..................... 0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC
DESCRIPTION
1
Name of the product
2
Production file:Always
230 / 400 50 014726 / STD or 230/400 50 014066/STD
3
The code of product
4
Min and Max flow (Q)
5
Pressure at the min flow and max flow (H)
6
Voltage and frequency
7
Serial number:Week/Year - Serial number
WW/YY - xxxxx
8
Pump rated power P2
9
Electric pump unit absorbed power P1
10
Designated motor insulation
11
Continuous operation symbol
12
Index of Protection
13
Motor rated current for every voltage
14
Max pressure
15
Production year
16
Minimum working pressure
SOLUTIONS
Verify condition of connectors and gaskets of suction line
gasket
Reverse 2 phases of the supply
Change mechanical seal
Excessive suction height
Verify the voltage specified on the nameplate and that of
the mains
Fill prefilter with water
Set suction in correct position
Clean filter
Correctly dimension suction line
Inspect filter and discharge line
Attach pump correctly
Clean pump and inspect its filter
Reset thermal relay
Reset the fuses
Remove the motor and call the Technical Service
Ambient relative humidity, max.: ............... 95%
Motor class I.
Other data see Figure 2.
10
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