English (GB)
7
4. Starting up the product
4.1 Before startup
Do not start the pump until the system has been filled with liquid
and vented. Make sure that the required minimum inlet pressure
is available at the pump inlet. See section 10. Technical data.
When using the pump for the first time, the system must be
vented. See section 4.3 Venting the pump. The pump is
self-venting through the system.
4.2 Starting up the pump
4.3 Venting the pump
Fig. 7 Venting the pump
Small air pockets trapped inside the pump may cause noise when
starting up the pump. However, because the pump is self-venting
through the system, the noise ceases over a period of time.
To speed up the venting process, do as follows:
1. Set the pump to speed III using the button on the operating
panel.
2. Let the pump run for minimum 30 minutes. How fast the pump
is vented depends on the system size and design.
When you have vented the pump, that is when the noise has
ceased, set the pump according to the recommendations. See
section 6. Control functions.
Step Action Illustration
1
Open the inlet and
outlet valves.
TM06 8554 0918
2
Switch on the
power supply.
TM06 8555 1317
3
The lights in the
operating panel
indicates that the
power supply has
been switched on
and the pump is
running.
TM06 8556 0918
TM07 0153 0918
The pump must not run dry.
The pump is from factory set to radiator heating
mode.
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