Vexve TERMOVAR Handbuch Seite 26

Loading pump
The pump used in the TERMOVAR loading unit is of the type Grundfos UPM3 AUTO L-50 or Grundfos
UPM3 AUTO L-70. Both pumps are adjusted by push button:
1. The display is always showing current pump performance.
1 yellow is 25%, 2=25-50%, 3=50-75%, 4=100%.
2. To show current pump setting push button shortly.
3. To change pump setting push button 2-10 seconds to enter change mode and push again to enter
a new setting.
4. The recommended setting is Constant Curve Maximum Power = Curve 4.
5. After some time of use, the power can be reduced if the boiler temperature is lower than desired.
Grundfos UPM3 AUTO L-50
p H
[m]
50
5
40
4
30
3
20
2
10 1
0 0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
0.0 0.1 0.2 0.3
P1
[W]
35
30
25
20
15
10
5
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
Constant curve
Proportional pressure
Constant pressure
SETTINGS DISPLAY PROPOR-
TIONAL PRESSURE
CURVE 1
CURVE 2
CURVE 3
AUTO
ADAPT
The recommended setting for the initial installation is the constant curve maximum power. After some
time of use, the power can be reduced if the boiler temperature is lower than desired.
26
Q [m³/h]
0.4 0.5 0.6 0.7 0.8 0.9
Q [m³/h]
SETTINGS DISPLAY
CONSTANT PRESSURE
CURVE 1
CURVE 2
CURVE 3
AUTO
ADAPT
Grundfos UPM3 AUTO L-70
p H
[kPa] [m]
7
60
6
50
5
40
4
30
3
20
2
10
1
0 0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
0.0 0.1 0.2
Q [l/s]
P1
[W]
50
40
30
20
10
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
0.3 0.4 0.5 0.6 0.7 0.8 0.9
SETTINGS DISPLAY
CONSTANT CURVE
CURVE 1
CURVE 2
CURVE 3
CURVE 4
www.vexve.com
Q [m³/h]
1.0 Q [l/s]
Q [m³/h]