8
Pos. C in fig. 2:
The unit should be installed so that the control panel
is visible and easily accessible. Ensure that the inlet
and outlet are connected correctly.
Fig. 3 Mounting positions
It is possible to loosen the control panel and change
its position, depending on the mounting position of
the unit. See fig. 4.
Fig. 4 Orientation of the control panel
Pos. D in fig. 2:
No taps must be installed between the pump and the
unit.
4. Electrical connection
4.1 Connecting units with cable and plug
fitted
Connect the unit using the supplied cable.
4.2 Connecting units with no cable and
plug fitted
1. Remove the control panel of the unit.
2. Carry out the electrical connection as shown in
fig. A or B, page 212, depending on motor type.
3. Fit the control panel securely with all four
mounting screws so that enclosure class IP65 is
maintained.
4.3 Alternative power supply
The PM 2 can be powered by a generator or other
alternative power supplies, provided that the
requirements for the power supply are fulfilled.
See section 11. Technical data.
To prevent water from entering the unit,
do not install the unit so that the cable
connections are pointing upwards.
See fig. 3.
TM04 1950 1708
Mounting position 6 should be avoided
if the pumped liquid contains particles
as these may settle inside the internal
pressure tank of the unit.
TM04 1951 1508
Warning
The electrical connection must be
carried out in accordance with local
regulations and standards.
Before making any connections in the
unit, make sure that the power supply
has been switched off and that it cannot
be accidentally switched on.
The unit must be connected to an
external mains switch with a contact
gap of at least 3 mm in all poles.
As a precaution, the unit must be
connected to a socket with earth
connection.
It is recommended to fit the permanent
installation with an earth leakage circuit
breaker (ELCB) with a tripping current
< 30 mA.
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