7. Initiation / operating control
7.1 General
Flush system thoroughly without pump. See section 4. Fill and de-aerate the system properly.
Only put the pump into operation when the system is full. Switch on the distribution voltage.
7.2 Venting
Venting of the pump, particularly of the motor space, is performed automatically after a brief pe-
riod of operation. Running dry briefly (max. 2 mins.) does not harm the motor. It is recommended
to run the pump briefly on «max» to ensure rapid venting of the system.
The pump must not be operated without water!
Warning
There is a danger of scalding.
7.3 Operating control
One LED must always be lit and the present power consumption must be displayed.
(See section 6.1 item 6)
7.4 Deblocking
Not necessary. Motor starts with high torque.
8. Maintenance, servicing
Warning
Before performing maintenance on the pump,
make sure that the pump is taken out of operation,
disconnect all poles from the power grid, and
secure from switching on again. Only have trained
staff do this work.
Mind the operating instructions. Only perform this work when the system is at standstill.
Take the pump off power.
Switch off the fuse and put on warning signs.
The media in the system may scald you.
The hot surfaces may scald you.
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