Specifications - Lowara GXS20 Montage- Und Betriebsanleitung

12.
Data refer to standard-design products.
Voltage rating
Current rating
Protection class
Sound emission level
2-pump set
Liquid temperature
Ambient temperature
Installation
Operating pressure
Minimum suction pressure
Maximum suction pressure
QXS20 panel
QMD20/QMS20 panel
Q-SMART panel
Pump shut-off delay
Dry running protection delay
Pumps
Tanks
You can use the following chart to note down the model and code number of the pressure booster set, as
shown in the rating plate. Please provide this information when requesting service.
Set Model
Code
Pumps
Serial number
Installation date
Setting (bar)
1 x 230 V +/- 10 %, 50 Hz (Single-phase)
3 x 400 V +/- 10% , 50 Hz (Three-phase)
See rating plate on electric panel
Electric pump IP55
Electric panel IP54, IP55
Pressure switch IP54, IP40
Motors 50 Hz 2900 rpm
Up to 2 x 4 kW Lp< 70 dB(A)
0°C to +40°C, +60°C (depending on the type of pump)
0°C to +40°C, +45°C, +50°C (depending on the type of pump)
Indoor, protected from the weather.
Away from heat sources.
Max 1000 m ASL
Max 8 bar, 10 bar, 16 bar Depending on the type of pump ( see
instructions)
According to NPSH curve with a margin of at least 0.5 m for air-free
water
Make sure the inlet pressure plus the closed delivery pressure does
not exceed the maximum operating pressure.
Max power 2x1.5 kW
Auxiliary voltage 12Vdc
Probe electrodes voltage 12vac
Max power 2x4 kW (QMD20), 2x2,2 kW (QMS20)
Auxiliary voltage 24Vac
Probe electrodes voltage 12vac
Max power 2x1.5 kW
Auxiliary voltage 12Vdc
Probe electrodes voltage 6.5vac
0..100 s
0.. 30 s
See pump instructions manual
See tank instructions manual. If installed, they may limit the opera-
ting temperature and pressure
en
21