Espa TECNOPLUS25, Instruction Manual, Page: 14 / 56

14
EN
6. MAINTENANCE
Under normal conditions these pumps require no
special or planned maintenance.
If the pump is not to be operated for a long
period it is recommended to remove it from
the installation, drain down and store in a dry,
well ventilated place.
ATTENTION: In the event of faults or damage
occurring to the pump, repairs should only be
carried out by an authorised service agent.
The Official Technical Services list is in
www.espa.com.
7. DISPOSING OF THE PRODUCT
When the pump is eventually disposed of, please
note that it contains no toxic or polluting material.
All main components are material identified to allow
selective disposal.
This product or parts of it must be disposed of in an
environmentally sound way, use the waste
collection service.
9. POSSIBLE FAULTS, CAUSES AND SOLUTIONS
1) The pump will not start.
2) The pump does not Stop.
3) The pump does not suck in.
4) Pressure or flow insufficient.
5) The motor overheats.
6) The pump starts but stops soon after (klixon)
7) The pump starts and stops continuously.
8 . PLATE SHOWING CHARACTERISTICS
DESCRIPTION
1
Item reference
2
V fre item specifications
3
Flow
4
Pressure
5
Nominal voltage, no. stages, alternate current symbol and
frequency
6
EC mark
7
Humidity protection level
8
Minimum working pressure
9
Maximum pressure
10
Pump serial no.
11
Thermal protection incorporated indicator
12
Max. liquid temperature
13
Electric pump unit absorbed power (P1)
14
Designated motor insulation
15
Continuous operation symbol
16
Maximum nominal intensity at nominal voltage
17
Name and address of vendor responsible for the product
1 2 3 4 5 6 7 POSSIBLE PROBLEM SOLUTIONS
X X X
Pump blocked
Remove it and take it to an Official Technical Service
centre
X X Foot valve clogged Clean or replace with new one
X X X Total manometric head higher than rated Check geometric height and head losses
X X X
Voltage incorrect
Check that the voltage is the same as that shown on
the specifications plate
X X
Reduction of water level in the well Adjust the suction height
X Fuse or thermal relay faulty Replace fuse or thermal relay
X
Turbines worn
Remove the pump and go to an Official Technical
Service centre
X X
Foot valve not submerged Submerge the suction pipe properly
X X
Forgot to prime the pump Fill the pump body with water
X X
Poor ventilation in premises Ensure good ventilation
X X
Air leaks Ensure that connectors and seals are leaktight
X Wrong programming Check programming
X
The electronics section has detected lack
of water
Find the reason for the loss of water
X X X
Valve or tap switched off Open the valve or tap
X X
Lack of water Wait till the level is restored and press reset
X X X
Loss of water through the discharge pipe Repair the leak
10. TECHNICAL DATA
Liquid temperature: ......................... 4ºC - 35ºC
Ambient temperature: ..................... 0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC Ambient relative humidity, max.: ............... 95%
Motor class
I
.
Other data see Figure 2.