3.1.9 Speed (rpm) control
A heat pump requires optimum conditions in the heating system in order to be able to run as efficiently as
possible. The temperature difference between the heating system's supply line and condenser in must be con-
stant between 5–10°C. If the differences are greater or less, the heat pump is less efficient and savings are low-
er.
The speed controlled circulation pump in iTec always ensures that the temperature difference is retained. The
control equipment detects if the balance is upset and increases or decreases the speed of the circulation pump
as necessary.
User Guide iTec
VUJSI102 Thermia Värmepumpar
12
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