7 Controller Installation
7.1 General
WARNING – All electrical connections
must be performed by qualified experts
only.
WARNING – Do not dismantle the
controller while still connected to the
power supply! Before any installation,
maintenance or inspection activities wait
at least two minutes after the power
supply has been disconnected from the
controller!
CAUTION – To avoid multiple starts of
the pump in twilight conditions, the Sun
Sensor module must be connected and
configured for all PS2-1800 CS-F and all
PS2-4000 pump systems. Operating
without a Sun Sensor module can lead to
increased wear or damage to the pump.
Such damage is excluded from the
warranty.
CAUTION – Never let the pump run dry.
Dry running will damage the pump and
void the warranty. LORENTZ requires a dry
run protection for every pump system. Figure 2: PS2 controller
For more information on mandatory accessories and their
installation, please refer to “7.6.3 Pump Accessories Wiring”
on page 27 and “9 Pump Accessories Installation” on
page 57.
Treat the controller as industrial waste when processing the
discarded controller. It is possible that some components
could produce toxic and harmful gas.
A plug kit is available separately from the controller if plug
connectors shall be used.
16 Controller Installation
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