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InstallationIndications, functions and optionsMessages Commissioning Operation and function
Display of speed
1 %, 2 %, 3 %
Current pump speed
Display range:
30 … 100 % (standard pump)
20 … 100 % (HE pump)
Indicates the current speed of the corresponding pump.
Operating hours counter
R (1, 2, 3, 4)
Operating hours counter
The operating hours counter accumulates the operating hours of the relay
(h R1 / h R2 / h R3 / h R4). Full hours are displayed.
The accumulated operating hours can be set back to zero. As soon as one of
the operating hours channels is selected, the symbol Ⓢ is displayed.
Î In order to access the reset mode of the counter, press the set button ➄.
The display symbol Ⓢ will ash and the operating hours will be set to 0.
Î Con rm the reset with the set button ➄ in order to nish the reset.
In order to interrupt the reset process, do not press any button for about 5 s.
The display automatically returns to the display mode.
Display of heat quantity
kW /MW
Heat quantity in kWh / MWh
Indicates the heat quantity produced in the system. For this purpose, the heat
quantity measurement option has to be enabled. The ow rate as well as the
values of the reference sensors ow and return are used for calculating the
heat quantity supplied. It is shown in kWh in the kWh channel and in MWh
in the MWh channel. The overall heat quantity results from the sum of both
values.
The accumulated heat quantity can be set back to zero. As soon as one of the
display channels of the heat quantity is selected, the symbol Ⓢ is displayed.
Î In order to access the reset mode of the counter, press the set button
➄ for approx. 2 s.
Ⓢ starts ashing and the heat quantity value will be set back to zero.
Î Con rm the reset with the set button in order to nish the reset.
In order to interrupt the reset process, no button should be pressed for
about 5 s. The display automatically returns to the display mode.