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85
2016/01 Rev. 0.0
OptiFresh (Bean) NG 2.0
EN
9. ElECTRONICS SUMMARY
WARNING
During repairs or maintenance work, avoid electrostatic
discharge (ESD) on the control unit.
● Main PC board
.............................................. 9.1
● Interface / display
.......................................... 9.2
● Power supply 100-240Vac / 24Vdc 65W
...... 9.3
● Grinder board 230Vac / 230Vdc
................... 9.4
9.1 Main PC board
This control unit is the device’s main control unit and is
accessible by removing the left side panel.
The following important parts can be found in the main
control unit:
● Fuse 6, 3A T (Art. No. 03391) ): to safeguard the
power supply to the main PC bard.
● Battery 3V Li CR2032 (Art. No. 02816);: to maintain
the clock function when there is no power supply to
the device.
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MIX/BR
MIX2
MIX3
IM1
IM2
IM3
IM4
IM5
IM6
2
1
KW1
KW2
KW3
DV1
DV2
DV3
DV4
DV5
DV6
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2
1
HEA
TER
RELAIS
DOSING V
AL
VES
VAL
VES
INGREDIENT
MOT
ORS
MIXERS
4
3
FAN
INLET
OUTPUTS
G13
MDB
RS232
COMMUNICATION
POWER SUPPL
Y
MICROCONTROLLER
J15
J6
J2
J4
TEMP1
2
1
4
3
24V DC
KEY
/ DISPLA
Y
INPUTS
J12
J7
J1
+
BATT
F6,3A
T
1
2
3
4
5
6
7
8
9
10
11
12
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SENSORS
+5V
LB
LSL
GND
AS
BS
DS
LSH
GND
GND
GND
J18
2 1
3
F3
T2
FL2
FL1
J250
PWM F
AN
J19
J8
J9
1
2
3
4