91
2016/01 Rev. 0.0
OptiFresh (Bean) NG 2.0
EN
9.4 Grinder circuit board
This grinder circuit board converts 230 Vac (alternating
current) into 230 Vdc (direct current) with a rectifier to
drive the grinder motor. (OptiFresh Bean)
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 Slow 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
art.no. 02580
Grinder motor 230Vdc
Pin
Colour Comments
red
Please pay attention,
for right direction.
+24dc (red wire)
according drawing
230Vdc -
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