Operating envelope
I operating envelope ver. 2
X-axis: Brine to condenser, ºC. Y-axis: Water from condenser, ºC. The bold continuous line indicates the
unit’s recommended operating envelope.
6.6 Pumps and earth probe data
Condenser circuit pump
Oilon designation
Pump
Description
34023129
Grundfos UPMXL (GEO) 25–125 180
PWM
1-phase, wet-motor, G 1 1/2 outer thread,
installation dimension 180 mm, inverse
PWM, 3–180 W (0.04–1.42 A)
The bold ascending curve in the diagram indicates the unit’s condenser circuit pressure
drop as a function of flow rate. The remaining portion of the pump’s total head can be
used for circulating a heating circuit.
M8003 2219EN
49 (54)
Summary of Contents for ECO Inverter+ 25
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