Installation - Jung Pumpen Pentair U3K/2 Originalbetriebsanleitung

Rotational direction
Applies only for three-phase pumps. The rota-
tional direction must be checked before instal-
lation! If the rotational direction is correct, the
start-up jolt should be counter-clockwise. If
the rotational direction is wrong, 2 phases of
the supply cable must be swapped over, be-
cause a wrong direction of rotation results in
an overload of the pump.

INSTALLATION

The pump must be installed as shown in the
examples. For installations in accordance with
EN 12056-4, the pressure pipe must be laid in
a loop above the local backflow level and pro-
tected with a backflow prevention valve. The
rubber flap supplied (U3 and U5) is for mobile
operation only.
A correspondingly larger diameter pipe should
be used for longer pressure pipelines to avoid
pipe friction losses.
In contrast to pumps with built-in level control,
the ON an OFF switching heights of pumps
without built-in level control are variable by the
use of a separate level controller. Our ready to
connect level controls can be installed without
specific electrotechnical skills.
Permanent venting may be necessary if the
pump runs dry from time to time (pressure
outlet surfaced). This can occur for example
if the residual water in the collecting chamber
evaporates or if the pump runs in "snore" mode
during the test run.
To vent the pump housing the attached elbow
must be drilled at the marked location to pro-
vide a 6 mm drill-hole.
ATTENTION! If the pump is malfunctioning,
part of the contents of the oil reservoir could
escape into the pumping medium.
Dimensions of chamber
Single installation with pump base: 40 x 40 cm
Single installation with guide rail system:
40 x 50 cm and Duplex installation: 50 x 50 cm
Example of installation with guide rail system
Installation
Fix the coupling base firmly to the floor of the
collection chamber using wall plugs and then
mount the guide rail. Next, install the pressure
pipe including the necessary fittings, such as
the non-return valve and shut-off valves.
Reseal the coupling catch at the pump and
tighten it until it is "hand tight". Finally, fit the
pump with the coupling catch onto the guide
rail and lower it into place using a chain fixed
to the handle.
ENGLISH
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