Installation - Lowara TKS serie Installations- Und Bedienungsanleitungen

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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 %
• Converter output voltage (corresponding to the motor supply voltage) :
3 x 230 V ± 10 %
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 : / " male, made of nickel plated brass
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• 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

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.
20
12-50 Hz (these values vary according to the converter's
50/60 Hz
Information for installers