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3.4
Protection from the effects of frost
Attention
Where there is a risk of frost during downtime periods, measures required to avoid
frost damage must be taken.
4
Installation
4.1
General notes
PrimAX is only intended for installation indoors. The pumps must be mounted voltage-free so that
no energy can be transferred from the pipes to the pump casing. The pumps can be installed di-
rectly in the pipe, provided the pipes are designed for the weight of the pump. Installation is only
possible after completion of all welding and soldering work on the system. Avoid drops of water on
the pump motor, especially the frequency converter.
4.2
Flushing heating equipment (for extended pump)
To avoid unwanted interruptions to operations and non-running of the pump after longer periods
of inactivity, we recommend thoroughly flushing out the equipment following the new installation
or adaptation of heating and refilling. The equipment must correspond with the latest technology.
(Placement of expansion vessel or safety flow).
4.3
Installation
Install only after completion of all welding or soldering work on the equipment. Water drops should
be avoided on the pump motor, especially on the electronics. The pump casing should be installed
voltage-free in the equipment.
4.4
Non-return valve
4.5
Flow direction
Änd.Index
Datum
Visum
II
I
961864_00
961929_00
Ersetzt durch:
Ersatz für:
If a non-return valve is fitted, the pump must
be adjusted, so that the discharge pressure of
the pump exceeds the closing pressure of the
valve at all times.
This must be adhered to in particular for the
proportional pressure control (reduced deliv-
ery height for decreasing delivery flow).
The arrow on the pump casing indicates the
flow direction.
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