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The pressure accumulator (7) must
show an air pressure of 0.15 MPa
(1.5 bar) in an unused condition.
Check the air pressure before the
initial start-up.
The air pressure can only be che-
cked with an external pressure
gauge, e.g. with a tyre filler. The
mounted pressure gauge (11) only
shows the water pressure.
Regulate the pressure in the pressure accu-
mulator (7) by removing the protective cap
for the air valve (16) and pumping air into
the pressure accumulator via the air valve
(17) or allowing air to vent.
Fill the pressure accumulator using e.g. a
compressor and check the pressure using a
manometer.
Connecting the cables
Remove the two covering caps (3)
from the water inlet (14) and the
water outlet (4) using e.g. a spatula
or a flat-head screwdriver.
Do not use any connection systems
with quick connectors on the suction
side.
If you use the domestic water sys-
tem in the house, you must seal
all screw connections with sealing
tape.
If the line connecting you to the wa-
ter inlet (14) does not have a return
valve, screw the backflow stop (19)
to the water inlet before connecting
the line.
The function of the domestic water
system is not guaranteed through
20
air in the suction line. Please note
the instructions in the "Fill pump"
section.
1¼" hose connection
The adapter for 1¼" hose connection (20)
is intended for optional installation to the
water inlet (14). You then install the adap-
ter for 1¼" hose connection (20) instead
of the backflow stop (19).
The maximum pump capacity is achieved
using the adapter for 1¼" hose connection
and maximum settings (see chapter "Ch-
anging the switch-on and cut-off pressure
(specialists only)".
Fill pump
The domestic water system must be filled
with water prior to each commissioning.
Attention: Avoid dry running of the pump!
Danger of overheating!
Never touch an overheated pump! There is
a danger of burns!
When switching on the pump, ensure that
the pump and suction hose are completely
filled with water in order to prevent the dry
running of the pump. Dry running dama-
ges the device.
• Open the filter cap (1) of the domestic
water system using the special key
(18).
• Fill water to the rim.
• Close the filter cap again using the spe-
cial key.
Checks before putting
into operation
• Ensure that the electrical connection is
230 V~ 50 Hz.
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