Possible Faults, Causes And Solutions; Technical Data - Espa IRIS Manuel D'instructions

6. PLATE SHOWING CHARACTERISTICS
DESCRIPTION
1
Item reference
2
Voltage + frequency + item specifications
3
Flow

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
Excessive suction height
X X
Incorrect voltage
X X X
X No water in prefilter
Suctioning out of water
X
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
Lack of power
X
X Motor blocked

8. TECHNICAL DATA

Liquid temperature: ......................... 4ºC - 35ºC
Ambient temperature: ..................... 0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC
4 Pressure
5
Nominal voltage, no. stages, alternate current symbol and frequency
6 Energy efficiency index (Three-phase model)
6 Capacitor (Single-phase model)
7
EC mark + year of manufacture
8
Humidity protection level
9
Minimum working pressure
10
Maximum pressure
11
Pump serial no. (Fig.4)
12
Max. liquid temperature
13 Motor max. nominal output (P2)
14
Electric pump unit absorbed power(P1)
15
Designated motor insulation
16
Continuous operation symbol
17
Maximum nominal intensity at nominal voltage
18
Name and address of vendor responsible for the product
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
EN