26 Installation and maintenance instructions ecoFIT pure 0020230535_07
Condition: If installing a multi-circuit control.
▶ Change the pump's operating mode d.18 from Eco (in-
termittent pump operation) to Comfort (continuous pump
operation).
Condition: When connecting a control (230 V).
▶ Connect the control to the main plug.
▶ Remove the bridge from the 24V=RT plug.
Condition: 230 V 3-wire connection
▶ Connect the boiler only using the set with article number
0020244337 (Installation Kit, 3-wire, Vaillant).
– When connecting, observe the instructions for the
set.
▶ Connect the control to the main plug X1.
– Terminal assignment: L – Phase, N – neutral con-
ductor, – earth
▶ Draw the end user's attention to the fact that the follow-
ing features are present with this installation type.
◁ The frost protection function is deactivated. If the
product is installed in a room where there is a risk
of frost and it has not been protected by a room ther-
mostat, install an additional frost protection thermo-
stat.
◁ The pump programmes are not active.
◁ If the product is switched off, the display is switched
off.
◁ Each time the unit is started, the fan runs for
20 seconds.
◁ Residual heat in the heating return may result in the
product blocking the burner for 10 minutes.
4. Close the electronics box.
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