Messer Cutting & Welding FLOALARM K4, User Manual

Page: 4 / 12

4
SET-UP
W
ARNING
! – For safety reasons, the installing operations must be
performed in accordance with the instructions of this manual, by
qualified operators only; disconnect power supply line from the
equipment before opening the housing. The manufacturer rejects
whichever responsibility for accidents or damages due to negligence
of these recommendations.
Connecting Power Supply
Use 1.5 mm
2
section cables.
Put a 2 A bipolar security interrupter on the power supply line.
Connecting Inputs
Connect each sensor using bipolar 0.25 – 0.5 mm
2
section cable.
Shielded cables with shields connected to earth are suggested, but not
mandatory.
Connecting Relay Output
Use 0.5 to 1.5 mm
2
section cables, in function of switching current and
line length.
Don’t forget that maximum working voltage is 220 Vac and maximum
current 1 A for this output.
First power-up
At first power-up, all alarm leds are flashing: this condition testifies that
the equipment cannot start the standard operations because the
programming parameters are undefined.
Same situation occurs by programming errors generating invalid parameters.
Perform a full programming sequence to restart the system. In detail:
1. Push and hold TEST button for 5 seconds about;
2. Release TEST button when alarm leds stop flashing: system starts
step 1 of programming sequence (see programming section)