Pentair Jung Pumpen K2 plus Instructions De Service page 8

ENGLISH
permissible wire size 0.5 - 1.5 mm². To
ensure that the strain relief and seal
function properly, the cable must have a
diameter between 5 and 8 mm.
The length of the free conductors (un-
sheathed length) should be kept as
short as possible (not longer than 15
mm).
Insert the alarm connection cable into
the condensate pump housing parallel
to the mains cable. To do so, the second
opening in the cable grommet must be
opened up.
Feed the cable through the two strain
relief clamps to terminals 40-41-42.
When connecting the conductors, make
sure that they are securely fixed to the
terminals. Then tighten both clamps.
INSTALLATION
ATTENTION! It is not permitted to use
the appliance outdoors.
The following points must be observed
when choosing a suitable location for
installing the pump:
∙ The condensate must flow into the
condensate pump from the siphon
trap using gravity.
∙ The louvres on the K2 plus for ven-
tilating the pump must not be ob-
structed.
∙ The connecting hoses must be laid in
such a way that there are no kinks in
the piping.
∙ The K2 plus must be easy to access
to allow maintenance to be carried
out.
Pump
The condensate pump can be either
floor-standing or wall-mounted.
If wall-mounted, the distance between
drill-holes must be 19.5 cm. Please use
the fastening hardware supplied. It is
easy to level off the pump using the grid
pattern on the back of the pump.
8
ATTENTION! The pump must be in-
stalled in an absolutely horizontal posi-
tion as shown in the example.
Inlet
The K2 plus has three inlets from above
(2x ø28 and 1x ø33). Unused openings
must be closed off with plugs. The inlet
hose from the boiler or refrigerator/air
conditioning must be laid in such a way
that the condensate can flow into the
pump from the siphon trap using grav-
ity. To avoid obstructions, the inlet hose
must be cut off obliquely. A siphon must
be fitted in all inlets, unless this is al-
ready available in the heater, to prevent
exhaust from entering.
The connection of safety modules is not
permissible.
Pressure line
ATTENTION! Do not use grease or hose
clamps to attach the hose to the dis-
charge branch.
The hose must be laid from the conden-
sate pump to the wastewater collect-
ing sewer. The DN 50 connection piece
supplied facilitates the connection. The
smallest admissible radius when laying
the hose is 60 mm.
It would be advantageous if the hose
outlet was located at approximately the
same height as the pump. This would
considerably enhance the pumping per-
formance, avoid deposits in the hose
and extend the life of the pump as a re-
sult.
Take the pressure line up vertically
to the highest possible point and then
route it to the discharge point with a
slight downward gradient.
ATTENTION! The pressure line, from
its highest point, must be able to com-
pletely discharge its contents. Pockets
of air in the pressure line increase the
pumping resistance.
Alternatively to using the hose supplied
(ø10 mm), it is also possible to use your
own 12 mm hose for this purpose. This
will reduce the resistance and increase
the pump performance if necessary.
ATTENTION! If the condensate pump is
installed below the back-flow level and
the discharge point is located on a sew-
er which is below the back-flow level
and is not protected against back-flow,
then the pressure line must be laid with
a loop located above the back-flow lev-
el. The connection to the sewer must be
pressure-tight.
Emergency overflow
To prevent damage to property, the
emergency overflow can be used in con-
junction with the alarm contact.
The emergency overflow is used for sys-
tematically draining off condensates in
the event of a pump breakdown.
ATTENTION! It must be ensured that
the condensate can drain off into an
emergency tank by gravity and the hose
is completely emptied.
At the same time, the alarm contact in
the pump can be used to turn off the
heater or air-conditioner to prevent fur-
ther condensate from occurring in the
event of a fault.