Lowara TKS Series User manual

cod. 001076010 rev.E ed.05/2012
Lowara
cod. 001076010 C 05/09
ELETTROPOMPE SERIE TKS/...
CON VARIATORE DI VELOCITÀ TEKNOSPEED Istruzioni d’installazione e d’uso
it
TKS/….. SERIES ELECTRIC PUMPS
WITH TEKNOSPEED SPEED VARIATOR Instructions for installation and use
en
ÉLECTROPOMPES SÉRIE TKS/…..
AVEC VARIATEUR DE VITESSE TEKNOSPEED
Instructions pour l’installation
et l’emploi
fr
PUMPEN BAUREIHE TKS/…..
MIT FREQUENZUMFORMER TEKNOSPEED
Installations- und
Bedienungsanleitungen
de
ELECTROBOMBAS SÉRIE TKS/…..
CON VARIADOR DE REVOLUCIONES TEKNOSPEED
Instrucciones de
instalación y uso
es
ELECTROBOMBAS SÉRIE TKS/…..
COM CONVERSOR DE VELOCIDADE TEKNOSPEED Instruções instalação e uso
pt
ELEKTROPOMPEN TKS/... .. SERIE
MET TEKNOSPEED SNELHEIDSREGELAAR
nl
Aanwijzingen voor de installatie
en het gebruik
It Conservate con cura il manuale per future consultazioni
en Keep this manual for future reference
fr Conservez avec soin le manuel pour toute consultation future
de Das Handbuch muss für zukünftige Konsultationen sorgfältig aufbewahrt werden.
es Guardar con cuidado el manual para poderlo consultar en el futuro
pt Conservar cuidadosamente o manual para consultas futuras
nl Bewaar de handleiding zorgvuldig voor latere readpleging
Applica qui l’adesivo col codice a barre
Apply the bar code label here

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INSTRUCTIONS FOR INSTALLATION AND USE
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 19
2 Preliminary inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 Working limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
11 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
12 Tables and drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
INSTRUCTIONS POUR L’INSTALLATION ET L’EMPLOI
1 Généralité . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 31
2 Contrôle préliminaire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3 Utilisations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4 Limites d’emploi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6 Fonctionnement (Mise en service) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7 Entretien . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8 Recherche des pannes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9 Pièces de rechange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
10 Mise au rebut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11 Garantie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12 Tableaux et dessins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13 Déclaration de conformité . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
ISTRUZIONI PER L’INSTALLAZIONE E L’USO
1 Generalità . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pag. 8
2 Ispezione preliminare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Impieghi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Limiti d’impiego . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Installazione . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Messa in funzione . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7 Manutenzione . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8 Ricerca guasti . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
9 Ricambi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
10 Smaltimento . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
11 Garanzia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
12 Tabelle e disegni . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13 Dichiarazione di conformità . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

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Questi simboli indicano la potenzialità del rischio derivante dal mancato rispetto della prescrizione alla quale sono
stati abbinati, come sotto specificato
La mancata osservanza della prescrizione comporta un rischio di danni alle perso-
ne e alle cose.
La mancata osservanza della prescrizione comporta un rischio di scosse elettriche.
La mancata osservanza della prescrizione comporta un rischio di danni alle cose
(pompa, impianto, quadro,…).
Leggete attentamente il manuale
PERICOLO
RISCHIO DI SCOSSE
ELETTRI
C
HE
AVVERTIMENTI PER LA SICUREZZA DELLE PERSONE E DELLE COSE
AVVERTENZA
PERICOLO
The following symbols indicate the potential hazards resulting from failure to observe the associated warning, as
specified below.
Failure to observe this warning may cause personal injury and/or damage to pro-
perty.
Failure to observe this warning may result in electric shock.
Failure to observe this warning may cause damage to property (pump, system,
panel, etc.).
Read the manual carefully.
DANGER
RISK OF
ELE
C
TRI
C
S
H
OC
K
WARNINGS FOR THE SAFETY OF PEOPLE AND PROPERTY
WARNING
DANGER
Ces symboles indiquent la possibilitéde danger dérivant du non respect de la prescription correspondante, sui-
vant les spécifications suivantes
La non observation de la prescription comporte un risque de lésion ou dommage
aux personnes et/ou aux choses.
La non observation de la prescription comporte un risque de choc électrique.
La non observation de la prescription comporte un risque de dommage aux cho-
ses (pompe, installation, coffret,…).
Lire attentivement le manuel.
DANGER
TENSION
DANGEREUSE
AVVERTISSEMENTS POUR LA SECURITE DES PERSONNES ET DES CHOSES
AVERTISSEMENT
DANGER
« Istruzioni originali »
« Translation of the original instructions »
« Traduction de la notice originale »

1. Overview
The purpose of this manual is to provide the necessary information for proper installation, operation
and maintenance of the TEKNOSPEED converter connected to a LOWARA electric pump.
Read this manual before using the product.
Improper use may cause personal injury and damage to property, and lead to the forfeiture of the
warranty coverage.
For information regarding the electric pumps, refer to the relevant manuals.
The instructions and warnings provided below concern the standard version.
Please refer to the sale contract for any modifications or special version characteristics.
Always specify the exact model identification code and construction number when requesting technical
information or spare parts from our Sales and Service department.
For instructions, situations or events not considered in this manual or in the sale documents, please con-
tact our Service Center nearest you.
2. Preliminary Inspection
2.1 Visual Inspection
Upon delivery, check the integrity of the packaging.
If the packaging is damaged, unpack the product and inspect it visually to make sure it has suffered no
damage during transport.
Should the product be damaged, inform our dealer within 8 days from delivery.
2.2 Handling and Storage
The product is delivered in a cardboard box or wooden case. During transport and storage, protect it
from humidity, heat sources and possible mechanical damage (impacts, falls, etc). Lift and handle the
product carefully using suitable hoisting equipment.
Refer to chapter 4 for further information.
3. Applications
The TKS system consists of a three-phase electric pump, the TEKNOSPEED single-phase converter and
an electronic pressure transmitter (also known as pressure sensor).
The TEKNOSPEED single-phase converter is suitable for the control of a three-phase electric pump ac-
cording to the conditions described in this manual and the supply voltage / frequency specified in the ra-
ting plate.
The converter controls the operation of the pump in order to ensure a constant delivery pressure based
on the signal received from the electronic pressure transmitter.
The TKS system can be used for domestic water supply, irrigation and pressure boosting applications.
For further information refer to chapter 12.
4. Working Limits
For storage :
•Ambient temperature: -5°C to +40°C .
For operation :
For information regarding electric pumps refer to the relevant manuals.
English
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« Translation of the original instructions »

4.1 TKS system (TEKNOSPEED mounted on the electric pump)
Do not use the product in environments where corrosive and/or flammable powders, acids,
gases, etc. are present.
Do not use the electric pump to handle dangerous or flammable liquids.
•Ambient temperature: +0°C to +40°C
•Maximum relative humidity : 50 % at + 40°C provided no condensation occurs
•Maximum height above sea level: 1000 meters
•Protection class : IP 55 (if installed on motors with at least IP55 protection)
•Maximum operating pressure : refer to the operating instructions for the electric pump
The standard version features a transmitter with 10 bar full scale (chapter 4.2)
•Temperature of pumped liquid : + 1°C to + 40 °C
•Nature of pumped liquid : water containing no chemically aggressive substances or
suspended solids
•Maximum rated power of electric pump connected to the converter : 1.1 kW
•Converter supply voltage : 1 x 230 V ± 10 % 50/60 Hz
•Converter output voltage (corresponding to the motor supply voltage) :
3 x 230 V ± 10 % 12-50 Hz (these values vary according to the converter’s
voltage/frequency curve)
•Converter’s rated input current : 6.8 A
•Converter’s rated output current: 4.6 A
•Maximum number of starts per hour, evenly distributed : read the operating instructions for
the electric pump
4.2 Pressure transmitter
The sensor for this transmitter is a piezo-resistive silicon element which is sensitive to pressure. It is
mounted on a small flexible printed circuit (TAB) and is immersed in an oil chamber. The pressure is tran-
smitted to the sensor through a steel diaphragm located in the oil chamber.
•Pressure range : 0 to 10 bar
•Power supply : 21 Vdc from TEKNOSPEED
•Output signal : 4 to 20 mA
•Connection : 1/4”male, made of nickel plated brass
•Electrical connector : removable, provided with 2-meter shielded cable
•Protection class : IP 55
For ambient conditions other than those specified above, please contact our Sales and Service
Department.
5. Installation Information for installers
The installation operations must be carried out by skilled and qualified personnel.
Use adequate equipment and protections. Observe the accident prevention regulations in force.
Before proceeding with the installation, read these operating instructions and the manual for the
electric pump.
If the product shows evident signs of damage, do not proceed with installation but contact our Customer
Service Center.
Install the product in a sheltered location protected from the weather and freezing temperatures;
observe the working limits in order to guarantee adequate motor cooling. For further information
refer to chapters 4 and 12.
Observe all the safety standards and accident prevention regulations in force.
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6. Start-up Information for installers
The start-up operations must be performed by skilled and qualified personnel. Use adequate
equipment and protections. Observe the accident prevention regulations in force.
Before starting the unit, read these operating instructions and the manual for the electric pump.
6.1 Hydraulic Connection of Electric Pump
The hydraulic connections must comply with current standards and legislation.
The product can be connected directly to the municipal water system or the water can be taken from a
storage tank.
In case of connection to the municipal water system follow the regulations locally in force (issued by City,
utility company, etc.). We suggest that you install a pressure switch on the suction side for deactivation
of the electric pump in the event of low water system pressure (protection against dry running).
Make sure that the water system pressure added to the maximum pressure of the pump does not
exceed the maximum operating pressure value (nominal pressure NP) allowed for the pump.
For example, if the system features a CA 70/33 pump we can calculate that :
Maximum head of the pump :
43 meters (equivalent to a closing contact pressure of approximately 4.3 bar)
Maximum working pressure allowed :
8 bar (NP 8)
Water system pressure (consider the maximum value):
1.5 bar
Resulting maximum working pressure :
4.3 + 1.5 = 5.8 less than the 8 bar limit
When using a storage tank it is necessary to install a float switch for deactivation of the electric pump in
the event of low water (protection against dry running).
You must install a pressure gauge on the delivery side as it may be necessary to modify the fac-
tory settings based on the actual installation conditions.
To complete the system, flexible pipes on suction and delivery side, on-off valves on suction and delivery
side, non-return valve and surge tank with diaphragm are normally installed. To avoid having to drain the
system in the event that the diaphragm tank or the pressure gauge or the pressure transmitter need re-
placing, we advise you to install on-off valves.
If you install a check valve on the pump’s delivery side, position the pressure transmitter downstream
from the valve. We advise you to install a test tap to be used during the TKS system’s calibration stage
(chapter 6.3.3) unless a water drawing point is already present in the vicinity of the pump .
For further information refer to chapter 12.
6.1.1 Surge Tank (Diaphragm Tank)
A diaphragm tank must be installed on the delivery side of the electric pump to maintain pressure in the
system when there is no water demand, in order to prevent continuous pump operation.
With the TEKNOSPEED converter there is no need for a large capacity tank. The nominal capacity of the
tank, in liters, must be at least 5% of the maximum flow rate (liters per minute) of one pump, with a mini-
mum of 8 liters of nominal capacity.
Example : maximum flow rate of pump = 60 liters per minute
nominal volume of tank = 60 x 0.05 = 3 liters ➞ 8 liters
maximum flow rate of pump = 150 liters per minute
nominal volume of tank = 150 x 0.05 = 7.5 liters ➞ 8 liters
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Make sure that the surge tank can handle the maximum pressure of the system.
Check and adjust the precharge pressure before connecting the surge tank to the system.
If the surge tank is already connected, you will have to drain the system before you check and adjust the
precharge pressure. To avoid doing this, we suggest that you install an on-off valve between the connec-
tion to the tank and the system’s pipe.
To determine the precharge value for the surge tank you can use the following formula:
if in bar ➞work pressure –0.2 = precharge pressure
if in kPa ➞work pressure –20 = precharge pressure
6.2 Electrical Connection of Pump
The electrical connections must comply with current standards and regulations.
Make sure that the type of power source, the supply voltage and frequency match the ratings of
the TKS system shown in the rating plate. Provide suitable general protection against short cir-
cuits on the electrical power line.
WARNING : although the TKS system has single-phase power supply, the pump’s motor is always a
three-phase motor connected to 230 V. The missing phases are created by the converter. For further
information refer to chapter 12.
Before proceeding with these operations, make sure that all the connections (even those that are
potential-free) are voltage-free. Always disconnect the TEKNOSPEED converter from the power
supply before carrying out any operations on the system’s electrical or mechanical components.
After disconnection from the power source, wait at least 1 minute before carrying out any work on
TEKNOSPEED to allow the condensers in the internal circuit to discharge.
6.2.1 Differential Magneto-thermal Switch
If local regulations require the installation of a differential magneto-thermal switch, make sure it is of a
type that is suited to the system. Suitable switches are those having the characteristic curve for unidirec-
tional alternate and pulsating DC fault current (type A or C).
They can be identified by the presence of the following symbol:
6.2.2 Version with Cable and Plug
The TKS system is equipped with power cord and plug.
When installing the pump, make sure that the plug and corresponding outlet are easily accessi-
ble in case the system needs to be deactivated.
If the power cord is damaged, it must be replaced at a service center or by qualified personnel.
6.2.3 Input Filter
The TEKNOSPEED converter is equipped with an input filter according to the EMC directive.
6.2.4 Motor Overload Protection
The TEKNOSPEED converter has an incorporated overload protection which guarantees absolute protec-
tion when it is connected to motors featuring the same nominal protection as that of the converter. For
lower power motors an auxiliary protection is used (see chapter 6.2.5)
6.2.5 Motor Overtemperature Protection (PTC)
Some models may feature an extra protection (thermistor) in addition to the overload protection incorpo-
rated in the converter. The thermistor (PTC) is attached to the base of the terminal board and connected
through cables and mini-fastons. The corresponding dip-switch will be in the PTC Y position.
For further information refer to chapter 12.
6.2.6 Converter overtemperature protection
The TEKNOSPEED converter has an incorporated overtemperature protection.
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6.2.7 Protection against dry running (float switch)
The TEKNOSPEED converter can be connected to an external device for protection against pump dry
running (see chapter 6.1). The most conventional method consists in the use of a float switch installed in
the suction tank.
To connect the cable of the external device you must remove the converter’s radiator using a no. 5 Allen
wrench (maximum torque 6 Nm). Turn the radiator upside down, paying attention to the connections with
the removable terminal board. The terminal board may have to be extracted. Replace an M 16 x 1.5 plug
with one of the cable glands supplied. Lay the float switch cable and connect it to the terminals corre-
sponding to LOW 1 and LOW 2 (suitable for 0.5÷1 mm2conductors). Screw down the cable fastening
plate and tighten the cable gland to secure the cable. If you connect the suction side of the pump to the
municipal water system, you can use a pressure switch that opens its contact when the pressure drops
below the set point.
If you are not using any device, two terminals must be connected with a jumper.
Use the slotted blade screwdriver (2.5 mm) provided with the TKS system for the connections on
the converter’s terminal board.
For further information refer to chapter 12.
6.2.8 External Enable Device
You can connect a switch instead of the float switch (chapter 6.2.7). This external device can be used to
enable or disable the system. We recommend using a shielded cable. The stripping of the cable should
allow the shielding to be in contact with the cable fastening plate.
Use the slotted blade screwdriver (2.5 mm) provided with the TKS system for the connections on
the converter’s terminal board.
For further information refer to chapter 12.
6.2.9 Alarm Relay
The TEKNOSPEED converter has a contact that can be used to obtain an external shutdown or malfunc-
tion signal.
This contact is closed when
•the pump is not running due to one of the following causes : no voltage
motor overload (chapter 6.2.5)
motor overtermperature (chapter 6.2.6)
converter overtemperature (chapter 6.2.7)
Probe faulty or disconnected (chapter 6.2.11)
•lack of water on suction side (chapters 6.2.8 and 6.2.9)
To connect the cable you must first take the radiator off the converter using a no. 5 Allen wrench (maxi-
mum torque 6 Nm). Turn the radiator upside down, paying attention to the connections with the remova-
ble terminal board. The terminal board may have to be extracted. Replace an M 16 x 1.5 plug with one of
the cable glands supplied. Lay the cable and connect it to the terminals corresponding to COM and NC
(suitable for 0.5÷1 mm2 conductors). Screw down the cable fastening plate and tighten the cable gland
to secure the cable.
We recommend using a shielded cable. The stripping of the cable should allow the shielding to be in
contact with the cable fastening plate.
Use the slotted blade screwdriver (2.5 mm) provided with the TKS system for the connections on
the converter’s terminal board.
For further information refer to chapter 12.
6.2.10 Serial Interface
The TEKNOSPEED converter is equipped with a serial interface that can only be used on pumping sy-
stems with two pumps.
Do not connect any wires to the COM, TX, RX terminals of the serial interface.
For further information refer to chapter 12.
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6.2.11 Pressure Transmitter
The TKS system comes with pressure transmitter connected to the TEKNOSPEED converter’s terminal
board. The transmitter is equipped with a 2-meter shielded cable. If you need to wind up the cable, do
not coil it but fold it .
For further information refer to chapter 12.
6.2.12 Regulation Dip-switches
The TEKNOSPEED converter is equipped with a series of microswitches (dip-switches) that determine its
operating cycle.
Do not modify the factory setting; you could damage the converter or the system on which it is in-
stalled.
For further information refer to chapter 12.
6.3 Initial Start-up
6.3.1 Priming
Read the operating instructions for the electric pump.
Fill the pump and suction pipes with water before starting the system. Dry running can damage
the pump.
Start the system with the on-off valve on the delivery side closed. Then open the valve gradually. When
the air in the pipe has been bled off the pump will run smoothly and silently.
6.3.2 Checking the Direction of Rotation of the Motor
There is no need to check the direction of rotation of the motor since it is pre-set at the factory.
6.3.3 Operating Pressure Calibration
A pressure gauge must necessarily be installed on the delivery side as it may be necessary to
modify the factory setting according to the actual installation conditions and system require-
ments.
The TKS system comes with a factory setting that enables it to be used.
To modify the pressure based on the actual system requirements proceed as follows:
•Increasing the pressure value
- Make sure that the system is pressurized, no user is open and the pump is off. If there are any open
users you can close the on-off valve located on the pump’s delivery side.
- Unscrew the plug that protects the adjusting screw.
- Turn the adjusting screw slowly to the right using a screwdriver.
Use the slotted blade screwdriver (2.5 mm) provided with the TKS system. The adjusting screw
has a limited travel, less than one turn, between the minimum value (0 bar) and the maximum
value (10 bar). Do not force it beyond the limits as you could damage the adjusting screw .
- The pump starts.
- Read the pressure value on the gauge and keep turning the adjusting screw until the gauge pointer
reaches the desired value.
- Make sure that the pressure has stabilized at the desired value.
- If necessary, make slight adjustments by turning the adjusting screw to the right or left. If you need to
lower the pressure setting, we recommend that you open a user partially (see next section “Lowering
the pressure value”).
Make sure that the new value you have selected is within the head range specified in the TKS sy-
stem’s rating plate.
- The pump stops after approx. 60 seconds. The switch-off pressure may be slightly higher than the
desired value (chapter 6.4.1)
•Lowering the pressure value
- Make sure that the system is pressurized, no user is open and the pump is off.
- Unscrew the plug that protects the adjusting screw.
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- Open the on-off valve located on the pump’s delivery side.
- Open a user or the test tap (chapter 6.1) partially, allowing the pressure to drop slowly.
- The pump starts.
- Turn the adjusting screw slowly to the left using a screwdriver.
Use the slotted blade screwdriver (2.5 mm) provided with the TKS system. The adjusting screw
has a limited travel, less than one turn, between the minimum value (0 bar) and the maximum
value (10 bar). Do not force it beyond the limits as you could damage the adjusting screw.
- Read the pressure value on the gauge and keep turning the adjusting screw until the gauge
pointer reaches the desired value.
- Make sure that the pressure has stabilized at the desired value.
- If necessary, make small adjustments by turning the adjusting screw to the right or left.
Make sure that the new value you have selected is within the head range specified in the TKS sy-
stem’s rating plate.
- The pump stops after approx. 60 seconds. The switch-off pressure may be slightly higher than the
desired value (chapter 6.4.1).
For further information refer to chapter 12.
6.3.4 Indicator Lights
On the adhesive plate attached to top of the radiator there are three LED’s with the following functions :
Steady green light Power Indicates that the TKS system is powered
Steady yellow light Run Indicates that the pump is running
Flashing red light Alarm Indicates an alarm has triggered
If an alarm is triggered, the red light will flash more or less rapidly depending on what has caused the sy-
stem to shut down. Except for lack of water on the suction side, in all other cases the system will automa-
tically start again after 20 seconds. If the cause of the malfunction persists, after three attempts to restart
the system will definitively shut down except in case of lack of water on the suction side.
For further information refer to chapters 8.1 and 12.
6.4 Product Description Information for users
The TKS system consists of an electric pump operated by an automatic electronic control system (fre-
quency converter known also as speed variator) that enables the delivery of constant pressure by redu-
cing or increasing the flow rate based on the water demand.
6.4.1 Operation
The automatic electronic control system receives a signal from a pressure sensor and compares it with
the set value.
When the system is pressurized the pump is switched off. Water consumption by the users determines a
decrease in system pressure which causes a reduction in the value of the signal. In this case the control
system starts the pump, regulating its speed until the reference or operating pressure is re-established.
If the water consumption increases the control system increases the speed of the pump, while if the water
consumption diminishes the control system decreases the speed of the pump. When the maximum flow
rate of the pump is reached, the control system runs the pump at its maximum nominal speed.
If the pressure increases because of decreased water consumption, the value of the signal from the sen-
sor increases; in this case the control system reduces the speed of the pump.
If there is a swift decrease in water consumption (e.g. due to sudden closing of the faucets), the control
system runs the pump at minimum speed for approx. 60 seconds and then stops it. In this case the stop-
ping pressure coincides with the set value.
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If the water consumption decreases gradually, the system runs the pump at a slightly higher pressure for
approx. 60 seconds (with transmitter full scale equal to 10 bar ➞ + 0.2 bar), and then stops it if there is
no further water consumption.
If the system is powered the green (Power) light is on.
When the pump is running the yellow (Run) light is on.
If there is a shutdown or malfunction the red (Alarm) light comes on.
If an alarm is triggered, the red light will blink more or less rapidly depending on the cause of the shut-
down. Except for lack of water on the suction side, in all other cases the system will automatically start
again after 20 seconds. If the cause of the malfunction persists, after three attempts to restart the system
will definitively shut down.
Refer to experienced and qualified personnel for any adjustments and/or maintenance opera-
tions. Do not attempt to change the settings or open the control system.
Before using the equipment, read the manuals and store them safely.
Store the screwdriver supplied with the TKS system in a safe place.
7. Maintenance Information for maintenance personnel
Observe the following directions if you need to carry out any service operations on the product .
Maintenance operations must be performed by qualified personnel only.
Before carrying out any maintenance operations, make sure that all the connections (even those
that are potential-free) are voltage-free.
Always disconnect the TEKNOSPEED converter from the power supply before carrying out any
operations on the system’s mechanical or electrical components.
After disconnection from the power source, wait at least 1 minute before carrying out any work on
TEKNOSPEED to allow the condensers in the internal circuit to discharge.
Read this user’s manual and the operating instructions for the electric pump and diaphragm tank
(if installed).
7.1 Routine Maintenance
The TKS system does not require any routine maintenance provided that the working limits described in
chapter 4 are observed.
The pumps do not require any routine maintenance (read the pump’s manual).
Check the air pre-charge in the surge tank, if installed, at least once a year (chapter 6.1.1).
7.2 Extraordinary Maintenance
Use adequate equipment and protections. Observe the accident prevention regulations in force.
Lift and handle the pumps carefully, using suitable hoisting equipment.
Use only original spare parts to replace any worn or faulty components.
WARNING !
Although the TKS system has a single-phase power supply, the pump’s motor is always a three-phase
motor connected to 230 V. The missing phases are created by the converter. For further information refer
to chapter 12.
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8. Troubleshooting Information for users and maintenance personnel
Read this user’s manual and the operating instructions for the electric pump and diaphragm tank
(if installed).
Maintenance operations must be performed by qualified personnel only.
For further information refer to chapters 7 and 12.
8.1 Visual Signaling Devices
8.1.1 Operation Signals
These basic signals are integrated by the alarm signals. Therefore there could be combinations of si-
gnals such as green light on (power), yellow light off (pump off) and flashing red light (alarm).
8.1.2 Alarm signals
If an alarm is triggered the red light flashes more or less rapidly (flashing –pause –flashing) depending
on the cause of the system shutdown.
Be careful when servicing the system as it could restart automatically.
Shutdown caused by lack of water on suction side
If the system shuts down because there is not enough water on the suction side, it will restart automati-
cally only if the external device re-enables its operation (float switch or pressure switch or switch ➞chap-
ters 6.2.7 and 6.2.8).
Shutdown caused by other problems except for lack of water on suction side
In all these cases the system restarts automatically after 20 seconds. If the cause of the malfunction per-
sists, the system will shut down definitively after three attempts to start.
27
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Red light (alarm)
Flashing
No signal from transmitter
shutdown
Or shutdown caused by open
external switch contact
Red light (alarm)
Off
No malfunction
Red light (alarm)
Flashing
Overcurrent shutdown
Flashing
Red light (alarm)
Converter overtemperature
shutdown
Red light (alarm)
Flashing
Motor overtemperature
shutdown
Red light (alarm)
Flashing
Shutdown caused by lack of
water on suction side
Red light (alarm)
Flashing
Red light (alarm)
Flashing
Low voltage (undervoltage)
shutdown
Problems at serial output (for 2-
pump units)
x 2
x 2
x 3
x 3
x 4
x 4
x 5
x 5
x 6
x 6
x 7
x 7
x 8
x 8
TKS_M0025_A_OT.XLS
TKS_M0026_A_OT.XLS

To reset the system, disconnect the power supply for at least one minute.
If 10 minutes elapse after an alarm without any other malfunctions occurring, the alarm counter is reset
and three new attempts are possible.
If two or more alarms are triggered simultaneously (e.g. due to motor overtemperature and lack of water),
only the first malfunction signal received by the control board is signaled.
WARNING ! The converter does not have a non-erasable alarm log, we therefore recommend that you
observe the flashing frequency carefully before disconnecting the power supply to the TKS
system.
For further information refer to chapters 8.1 and 12.
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29
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8.2 Troubleshooting Guide
PROBLEM PROBABLE CAUSE POSSIBLE REMEDY
The electric pump does not start No power supply Restore the power supply
Main switch on
Green light off Triggering of magneto-thermal Reset the switch
switch
The electric pump does not start or
it stops if it is already running *** = 2 flashes
The main switch is on Motor overload Check the working conditions
Green light on of the electric pump
Red light on (*** flashes) Damaged motor stator Check the motor
*** = 3 flashes
Converter overtemperature Check to see if anything is
preventing the proper cooling
of the converter
*** = 4 flashes
Motor overtemperature (if the Check the working conditions
terminal board is equipped with of the electric pump
the PTC protection)
*** = 5 flashes
Triggering of dry running Check the water level
Check the external device and
the related connection cables
*** = 6 flashes
Problems with the pressure Check the transmitter and
transmitter the related connection cable
*** = 7 flashes
The supply voltage is too low
Users closed Water leaks through the non-return Check the system in order to
Electric pump running with valve or in the system locate the leaks.Repair or replace
speed increasing and any faulty components.
decreasing cyclically Undersized surge tank Check the working conditions
Green light on of the electric pump
Yellow light on Ruptured surge tank diaphragm Replace the diaphragm
Red light off
Setting of work point not suitable Modify the system settings
for the system (the value is higher
than the pressure that the pump
is able to deliver)
Users open Setting of work point not suitable Modify the system settings
The electric pump does not start for the system (the value is equal
Green light on to zero)
Yellow light off
Red light off
The electric pump is running. Setting of work point not suitable Modify the system settings
There are vibrations in the pump for the system (the value is lower
or near the pump than the minimum pressure
that the pump can deliver)
Frequent starts and stops There may be problems with the Check the float switch and the
float switch in the suction tank tank
The electric pump is running There may be problems with the Check the hydraulic connection
always at maximum speed pressure transmitter between the transmitter and the
system

Triggering of general system Short circuit Check the connection cables
protection
Triggering of differential system Ground leakage Check the insulation of the
protection (circuit breaker) electric pump and cables
9. Spare Parts Information for maintenance personnel
Always state the exact model identification number and construction number when requesting technical
information or spare parts from our Sales and Service Center.
Use only original spare parts when replacing any faulty components.
The use of unsuitable spare parts can cause malfunctions, personal injury and damage to pro-
perty.
10. Disposal Information for installers and maintenance personnel
After installing the unit, dispose of packaging according to legislation in force; if possible, re-utilize the
packaging for other purposes.
If the motor needs to be decommissioned and dismantled, observe the current legislation regarding sor-
ted waste disposal.
11. Warranty
Refer to the sales documents for any information.
30
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it en fr de es pt nl
1 Radiatore (include all’interno la scheda elettro-
nica di controllo e comando)
2 Base
3 Cavo con spina
4 Elettropompa
5 Trasmettitore di pressione
1 Radiator (incorporates the electronic control
and command board)
2 Base
3 Cable and plug
4 Electric pump
5 Pressure transmitter
1 Radiateur (il comprend, àl’intérieur, la carte
électronique de contrôle et de commande)
2 Base
3 Câble avec fiche
4 Électropompe
5 Capteur de pression
1 Kühler (mit integrierter elektronischer
Steuer- und Kontrollkarte)
2 Basis
93
12. Tabelle e disegni - Tables and drawings -Tableaux et dessins -
Tabellen und Zeichnungen - Tablas y dibujos - Tabelas e desenhos -
Tabellen en tekeningen
Composizione sistema TKS (capitoli 3 e 6.4)
TKS system composition (chapters 3 and 6.4)
Composition système TKS (chapitres 3 et 6.4)
Zusammensetzung des TKS-Systems (Kapitel 3 und 6.4)
Composición del sistema TKS (capítulos 3 y 6.4)
Composição do sistema TKS (capítulos 3 e 6.4)
Samenstelling van het TKS systeem (hoofdstuk 3 en paragraaf 6.4)
3 Kabel mit Stecker
4 Motorpumpe
5 Druckübertragungsgerät
1 Radiador (en el interior incluye la tarjeta electrónica
de control y mando)
2 Base
3 Cable con clavija
4 Electrobomba
5 Transmisor de presión
1 Radiador (inclui no interior a ficha electrónica de
controlo e comando)
2 Base
3 Cabo com ficha
4 Electrobomba
5 Transmissor de pressão
1 Koeler (omvat de elektronische controle- en
besturingsprintplaat aan de binnenzijde)
2 Voet
3 Kabel en stekker
4 Elektropomp
5 Druktransmitter

Targa dati (capitoli 4 e 9) - Rating plate (chapters 4 and 9) - Plaque des données (chapitres 4 et 9)
Datenschild (Kapitel 4 und 9) - Placa de características (capítulos 4 y 9)
Placa dos dados (capítulos 4 e 9) - Typeplaatje (hoofdstuk 4 en 9)
94
1 Tipo elettropompa
2 Codice
3 Campo della portata
4 Campo della prevalenza*
5 Potenza nominale
6 Prevalenza minima*
7 Frequenza
8 Classe di isolamento e
grado di protezione
9 Tipo motore
10 Tensione
11 Potenza assorbita
12 Potenza nominale motore
13 Corrente
14 Tipo convertitore
15 Data di produzione e nume-
ro di serie
1 Tipo de electrobomba
2Código
3 Rango del caudal
4 Rango de la altura de
elevación *
5 Potencia nominal
6 Altura de elevación mínima *
7 Frecuencia
8 Clase de aislamiento
y grado de protección
9 Tipo de motor
10 Tensión
11 Potencia absorbida
12 Potencia nominal del motor
13 Corriente
14 Tipo de convertidor
15 Fecha de producción y nú-
mero de serie
1 Electric pump type
2 Code
3 Flow range
4 Head range*
5 Rated power
6 Minumum head*
7 Frequency
8 Insulation class and
protection class
9 Motor type
10 Voltage
11 nput power
12 Rated motor power
13 Current
14 Converter type
15 Manufacturing date and
Serial number
1 Type d’électropompe
2 Code
3 Plage de débit
4 Plage de hauteur
d’élévation*
5 Puissance nominale
6 Hauteur d’élévation
minimum*
7Fréquence
8 Classe d’isolement et indice
de protection
9 Moteur type
10 Tension
11 Puissance absorbée
12 Puissance nominale moteur
13 Courant
14 Convertisseur type
15 Date de production et numé-
ro de série
1 Pumpentyp
2 Code
3Fördermengenbereich
4Förderhöhenbereich*
5 Nennleistung
6 Mindest-Förderhöhe*
7 Frequenz
8 Isolationsklasse
und Schutzart
9 Motortyp
10 Spannung
11 Aufnahmeleistung
12 Motornennleistung
13 Strom
14 Frequenzumformer Typ
15 Herstellungsdatum
und Seriennummer
it en fr de es pt nl

Distanze minime per assicurare un corretto raffreddamento (capitolo 5)
Minimum clearance required to ensure proper cooling (chapter 5)
Distances minimums pour assurer un refroidissement correct (chapitre 5)
Mindestabstände für die Gewährleistung einer korrekten Kühlung (Kapitel 5)
Distancias mínimas para asegurar una refrigeración correcta (capítulo 5)
Distâncias mínimas para garantir um arrefecimento correcto (capítulo 5)
Minimum afstanden om een goede koeling te waarborgen (hoofdstuk 5)
95
1 Tipo de electrobomba
2Código
3 Campo de débito
4 Campo de altura
manométrica*
5 Potencia nominal
6 Altura manométrica mínima*
7 Frequência
8 Casse de isolamento e
grau de protecção
9 Tipo de motor
10 Tensão
11 Potência absorvida
12 Potência nominal do motorr
13 Corrente
14 Tipo de conversor
15 Data de fabrico e número de
série
* nota : per l’acqua 10 metri di prevalenza equivalgono a quasi 1 bar (circa 100 KPa)
* note : for water, 10 meters of head are equivalent to almost 1 bar (approx. 100 Kpa)
* note : pour l’eau 10 mètres de hauteur d’élévation correspondent àpresque 1 bar (environ 100 KPa)
* Anmerkung: Für Förderung von Wasser entsprechen 10 m Förderhöhe ca. 1 bar (etwa 100 KPa).
* nota : para el agua 10 metros de altura de elevación equivalen a casi 1 bar (unos 100 KPa)
* nota: para a água 10 metros de altura manométrica equivalem a quase 1 bar (cerca de 100 KPa)
* NB: Bij water stemt een opvoerhoogte van 10 meter overeen met bijna 1 bar (circa 100 kPa)
1 Type elektropomp
2 Code
3 Opbrengstbereik
4 Opvoerhoogtebereik*
5 Nominaal vermogen
6 Minimum opvoerhoogte*
7 Frequentie
8 Isolatieklasse en bescher-
mingsgraad
9 Type motor
10 Spanning
11 Aansluitwaarde
12 Nominaal motorvermogen
13 Stroom
14 Type omzetter
15 Productiedatum en
serienummer
it en fr de es pt nl

96
Esempi di installazione (capitolo 6) - Examples of installation (chapter 6)
Exemples d’installation (chapitre 6) - Aufstellungsbeispiele (Kapitel 6)
Ejemplos de instalación (capítulo 6) - Exemplos de instalação (capítulo 6)
Installatievoorbeelden (hoofdstuk 6)
Sottobattente - Positive suction head - Aspiration sous charge d’eau - Untere Saugleitung
Bomba bajo el nivel del líquido que se debe aspirar - Coluna aspirada positiva
Onder de aanzuighoogte
1 Vasca o serbatoio
2 Eventuale filtro
3 Valvola di intercettazione
4 Valvola di non ritorno
5 Tubo flessibile
6 Elettropompa con Teknospeed
7 Trasmettitore di pressione
8 Manometro
9 Autoclave a membrana
10 Rubinetto di prova
11 Galleggiante
1 Reservoir or tank
2 Possible filter
3 On-off valve
4 Non-return valve
5 Flexible pipe
6 Electric pump with Teknospeed
7 Pressure transmitter
8 Pressure gauge
9 Diaphragm tank
10 Test tap
11 Float switch
1 Cuve ou réservoir
2Éventuel filtre
3 Vanne d’arrêt
4 Clapet anti-retour
5 Tuyau flexible
6Électropompe avec Teknospeed
7 Capteur de pression
8 Manomètre
9 Surpresseur àmembrane
10 Robinet d’essai
11 Flotteur
it en fr de es pt nl

97
1 Wanne oder Behälter
2 Allfälliger Filter
3 Sperrventil
4Rückschlagventil
5 Biegsames Rohr
6 Motorpumpe mit Teknospeed
7 Druckübertragungsgerät
8 Manometer
9 Membrandruckbehälter
10 Testhahn
11 Schwimmerschalter
1 Tanque o depósito
2 Eventual filtro
3Válvula de cierre
4Válvula de retención
5 Tubo flexible
6 Electrobomba con Teknospeed
7 Transmisor de presión
8 Manómetro
9 Acumulador hidráulico de membrana
10 Grifo de prueba
11 Interruptor de flotador
1 Tanque ou reservatório
2 Eventual filtro
3Válvula de intercepção
4Válvula anti-retorno
5 Tubo flexível
6 Electrobomba com Teknospeed
7 Transmissor de pressão
8 Manómetro
9 Autoclave de membrana
10 Torneira de prova
11 Flutuador
1 Bak of reservoir
2 Eventueel filter
3 Afsluiter
4 Balkeerklep
5 Flexibele slang
6 Elektropomp met Teknospeed
7 Druktransmitter
8 Manometer
9 Membraantank
10 Testkraan
11 Vlotterschakelaar
it en fr de es pt nl