Cosmo CPH 4-25 Einbau- Und Betriebanleitung Seite 50

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ΔP-v proportional differential pressure control mode
The control mode ΔP-v ensures a linear variation of the achieved head
delivery pressure in accordance with changes in flow rate.
This is particularly useful in
• Two-pipe systems with thermostatic valves and
-
Elevation heights of over 4 metres
-
Very long pipe lengths
- Differential pressure regulators
- Low differential temperature
• Underfloor heating systems with thermostatic valves and
considerable pressure drops in the boiler circuit
47
Q = Variable
H = Variable