Installing Optional Equipment; Installing The Pressure Switch; Multiple Connections - FAAC J275 HA 2K20 Translation Of The Original Instructions

7. INSTALLING OPTIONAL EQUIPMENT

7.1 INSTALLING THE PRESSURE SWITCH

1. 27 Remove the hydraulic unit following points 1 to 5 in the §
"Removing the hydraulic unit" section.
2. Place the hydraulic unit in a horizontal position.
3. Remove the plug from the flange 1 and the plug from the cable
gland 2.
2
4.  2 8 Screw the pressure switch 1 onto the flange, together with
the seal provided. Insert the cable in to the cable gland 2 and
connect it to connector 3 inside the junction box according to the
diagram shown in the figure.
1
2
3
3
Violet Brown
4
5
Blue Blue
J275 HA 2K20
5
1
 27
3
2
1
35 Nm
24
 28

Make sure that terminals 9 and 10 of the external junction box
of the bollard are connected to the JE275 control board as per
1 8 . Otherwise, connect them now.
Carry out a bleed cycle after having reinstalled the hydraulic unit.

MULTIPLE CONNECTIONS

If multiple bollards (max 3) are installed, which are controlled by a
single JE275 board, connect the pressure switches in series as indi-
cated in the following diagram.
If multiple bollards (more than 3) are installed, which are controlled
by JE275 boards in a master / slave configuration, connect all the pres-
sure switches in series on the inputs of the master board as indicated
in the following diagram.
19
OUT 3
OUT 2
OUT 1
+24 V
+24 V
GND
GND
EMERGENCY
STOP
FSW
2 9
GND
OUT 4
OUT 3
OUT 3
OUT 2
OUT 1
+24 V
+24 V
Master JE275 board
GND
GND
EMERGENCY
STOP
FSW
CLOSE
3 0
532270 - Rev.A