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Electrical connection
The electrical connection depends on which water pump is
installed; there are two variants:
1.
Switch-controlled pump. The tap’s knob actuates an
electrical switch that connects the pump.
2.
Pressure-controlled pump. A pressure sensor on the
pump detects that the water pressure drops when the
tap is opened, and then connects the pump electrically.
Irrespective of which of the two pump systems is in use, the
following applies:
• The water purifier’s screw terminal is located under
the top cover and is marked with number 1-4 in accor-
dance with fig. E.
•Route the connecting cable with a cross section of
1.5 mm
2
(measure with slide callipers on the stripped
conductor, the diameter must be at least approx.
1.4 mm).
• To avoid excessively large voltage drops, the connect-
ing cables must be kept as short as possible.
• The purifier’s terminal no. 3-4 must ALWAYS be
connected via a fuse and a safety switch to the battery
(12-24 V).
• The purifier’s terminal no. 1-2 is connected to the
existing pump.
Be sure to connect the water purifier and the pump
to the correct polarity (positive and negative).
Switch-controlled pump
1. Connect cable (negative polarity) from the water purifier’s
terminal block, no. 1, to the pump’s negative terminal.
2. Connect cable (positive polarity) from the water puri-
fier’s terminal block, no. 2, to one side of the tap’s
electrical switch.
3. Connect cable from the other terminal on the tap’s
electrical switch to the pump’s positive terminal.
4. Connect ground lead (negative polarity) from the cen-
tral electrical unit to the water purifier’s terminal
block, no. 3.
5. Connect cable (positive polarity) from the pump’s fuse
to the water purifier’s terminal block, no. 4.
Pressure-controlled pump
1. Connect cable (negative polarity) from the water purifier’s
terminal block, no. 1, to the pump’s negative terminal.
2. Connect cable (positive polarity) from the water purifier’s
terminal block, no. 2, to the pump’s positive terminal.
3. Connect ground lead (negative polarity) from the cen-
tral electrical unit to the water purifier’s terminal
block, no. 3.
4. Connect cable (positive polarity) from the pump’s fuse
to the water purifier’s terminal block, no. 4.
16
INSTALLATION
The water purifier must be preceded by a safety
switch where the + terminal is disconnected. The
disconnection distance is at least 3 mm.
E