must be upwards and NOT downwards.
● The flow switch must be installed on a straight pipeline, and there must be more than five times the
length of the pipe diameter on either side of the flow switch (see Figure 8 below). The direction of
fluid must follow the arrow on the controller. The terminal block should be installed in a position that
is easy to operate.
Figure 8
7.1 Electrical wiring
●The unit should have a dedicated power supply in accordance with the recommended voltage.
●Unit power supply circuit must have an effective external grounding.
●Wiring and electrical connections must be made by qualified professionals in accordance with the
wiring diagram.
●Power line and signal line layout should be neat and cables should not interfere with each other.
●Do not install the units if the power supply specifications are not met.
●After all wiring connections have been completed, check them again carefully before switching on
the power.
7.2 Electrical Wiring Specification
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