90
OptiBean NG /OptiBean XL NG
2017/08 Rev. 2.0
9.4 Grinder print 230Vac / 230Vdc
This grinder circuit board converts 230 Vac (alternating
current) into 230 Vdc (direct current) with a rectifier to
drive the grinder motor.
The IM1 signal (24 Vdc) from the main control is
connected to connection J5-J6 (the red LED lights). This
signal controls the grinder motor with a triac.
This control can be accessed by removing the rear wall.
● Fuse 3.15 A S art.no. 02580; to protect the grinder
motor.
9.4.1 Connections
24 Vdc ingredient 1 signal
Pin
Colour Notes
J5
24Vdc +
red
polarity not important
J6
24Vdc -
brown
230Vdc
Pin
Colour Notes
1
red
polarity is important!
3
230Vdc -
black
230Vac
Pin
Colour Notes
J2
230 Vac Zero
blue
J3
PE (ground)
y/gr/
J4
230 Vac Phase
brown
Fuse F1
3.15 A slow blow
art.no. 02580
Grinder motor 230Vdc
Pin
Colour Notes
230 Vdc +
red
Note the right
direction!
+24 Vdc (red wire)
according to drawing
230 Vdc -
black
+
RED
-
BLACK
F 3,15A T
230Vac
J6
J5
LED
J3
J2
J4
PE
F1
Grinder
motor
230Vdc
24Vdc
grinder
signal
L
N
+
_
J7
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