Vaillant VRT-PZA Mode D'emploi page 33

B Installations instructions – 7 Setting the flow temperature
Set the flow thermostat at your Vaillant
THERMOcompact/COMBlcompact according to the
below-mentioned recommendation:
In the case of heating installations at low temperatures
GB
with flow temperatures up to max 75°C:
position 7.
In the case of heating installations with flow
temperatures up to max 90°C:
position 9.
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