Hettich EBA 21 Repair Instructions

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12.2.2 Mains supply with supply board (A1) 230 V
Q1
Gerätestecker-Kombielement
appliance plug combination element
zur Übertemperatur-
sicherung F3
to overtemperature
fuse F3
zum Frequenzum-
richter A2 / S102 / N
to frequency converter
A
2 / S102 / N
Deckelver-
riegelung
lid lock
Y1
+Ub
X2
zum Steuerteil A4 / X1
to control panel A4 / X1
BU
6
54321
X5
1
234
1234
zum Frequenzumrichter
to frequency converter
A2 / S501
1234
PK PK
Unwuchtschalter
imbalance switch
S1
B3
Drehzahlsensor
speed sensor
1234
+Ub
10...15V
V
ersorgungsplatine
supply board
A1
+5V
X4
+Ub
X3
+Ub
Optokoppler
optocoupler
Verschlußrelais
lid-locking relais
BK
BU
10...15V
U
X9
Z1
4
3
2
1
GND
6 Impulse pro Umdrehung (siehe Tachocode)
6 pulses per revolution (see tacho code)
Tachosignal / tacho signal
Pin 4 GND (Pin 2)
+8V ... +15V
+5V
GND
OK
Unwucht
imbalance
Unwucht / Imbalance
X3 Pin 4 GND (Pin 1)
12345678910111213141516
12
3
4
56
7
8910
N
PE
L
Netz / mains
230 V
GN/YE
F1
F2
Funkentstörfilter
radio interference
suppression filter
BK
BK BK
BK
BK
BK
BU
BU
BK
BK
WH
BK
BU
6
5
GN/YE
GN/YE
GN/YE
L2
Ferritring L2
ferrite ring L2

Hettich EBA 21 Specifications

General

Type	Centrifuge
Capacity	6 x 15 ml
Weight	Approx. 9 kg
Max. Capacity	6 x 15 ml
Timer	1 - 99 min, continuous run
Power Supply	230 V, 50/60 Hz
Temperature Range	Not applicable