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Idiomas disponibles
– Thermal insulating units for later
insulation of the ST 25 pump.
5 Assembly/
Installation
Installation
Installation and ser-
ATTENTION!
vice by qualified per-
sonnel only!
– Assembly should only take place
once all welding and soldering
work and the rinsing of the pipe
network has been completed.
Dirt can have an adverse effect
on the functioning of the pump.
– The pump must be installed in
an easily accessible position to
facilitate inspection or replace-
ment.
– It is recommended that shut-off
devices be fitted before and after
the pump. This will save having
to drain and refill the system if
the pump needs replacing. The
fittings are to be installed so that
any water that escapes cannot
drip onto the pump motor or ter-
minal box.
– When installed into the flow pipe
of an open-vented system, the
open
safety
connected to the system on the
inlet side of the pump.
– Pump to be mounted with the
shaft in the horizontal plane in
such a way that it is not stressed
vent
must
be
by the pipework. (Installation
positions in Fig. 2).
– An arrow on the pump casing
indicates the direction of flow
(fig. 3, pos.1).
– Secure the pump against twi-
sting by using a spanner (fig. 4).
– In order to attain the correct ter-
minal box position the motor
housing can be turned once the
motor fastening screws have
been losened (Fig. 5).
Do not damage the
ATTENTION!
flat gasket. If neces-
sary use a new gas-
ket:l 86 x l 76 x 2.0
mm EP.
For units which are to
ATTENTION!
be insulated, only the
pump housing may
be
motor and conden-
sate openings must
remain free (fig. 3,
pos. 2).
Electrical connection
Electrical connection must
be carried out by a quali-
fied and licensed electrici-
an in strict conformity to
ruling national conditions
and local regulations (e.g.
VDE regulations in Ger-
many).
– According to Part 1 of the VDE
0730, the pump must be connec-
ted to the electrical supply by a
ENGLISH
insulated.
The
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