![Hettich ROTINA 420 Repair Instructions Download Page 7](http://html1.mh-extra.com/html/hettich/rotina-420/rotina-420_repair-instructions_2127804007.webp)
7/97
3
Description of the centrifuge
3.1
Block diagram of the control
Fla
sh-
Me
mo
ry
serial interf
ac
e
RS
23
2
S104
S602
S701
PR
OG
T/
°C
RCF
RP
M
t/
m
in
PR
OG
T/
°C
RC
F
RPM
TI
M
E
ST
ART
STOP
OP
EN
12:3
0
45
00
20
1
99
electronic oper
atin
g pan
e
l
S1
06
line
fi
lter
S70
0
power input 2
00 -
2
40 V
S1
06
S60
4
S7
03
S707
S704
S706
S900
S904
15
V
5
V
5V
2.
5V
5V
fre
q
uency conv
ert
e
r
(FC)
dr
ive -
p
roce
ssor
F
C
- 3~
dr
iv
er
speed
sensor
B4
S104
bra
ke resistor
(R1)
o
vertempe
ratur
e
switch (F3)
at th
e bra
ke
re
si
st
or
(R
1)
cont
ro
l -
pr
ocesso
r
motor-driv
e
n
lid lo
ck
M4
1~
~
S905
S1001
S1000
3x
centrif
uge-
contr
o
l
RS 232
fr
om
/ to
P
C
- prog
ra
mmi
ng
- c
ontrolling
el
ectroni
cs
RO
TI
NA
420
/ 420R
EEPRO
M
PF
C-swit
ch
ing
powe
r supp
ly
S100
S906
p
o
wer i
nput
100 -
127 V
transfo
rmer
~
~
120 V
230
V
Co
nn
ec
tion
on
ly
w
ith
pow
e
r inp
ut
200
-
2
40 V
cu
tof
f
PC
F
imbal
an
ce
se
nso
r (B2.2)
co
mpr
essor
(M2 /
M2.1)
1)
fan (
M
5)
fo
r co
olin
g
the motor (M1)
1)
fa
n (M3)
a
t the co
nde
nse
r
1)
te
mp
erat
ur
e s
ens
or
(B
3)
a
t the
co
nd
ens
er
1)
temp
er
at
ure se
ns
or
(B
1)
in
ce
nt
rifug
e ch
ambe
r
o
vertemp
erature
switc
h
1)
1)
hea
ting
(E1
)
2)
1)
o
nly in centrifug
es w
ith
cooling
2)
o
nly in centrifug
es w
ith
op
tio
n
hea
tin
g/
coo
ling
ov
er
temp
erat
ure
sw
itc
h
Mo
tor M1
M 3~
Summary of Contents for ROTINA 420
Page 1: ...06 08 Andreas Hettich GmbH Co KG AR4701EN ROTINA 420 ROTINA 420 R Repair instructions ...
Page 78: ...77 97 Fig 2 Fig 3 3 1 5 4 6 7 a b d 13 16 18 17 19 21 22 30 25 23 38 21 20 b a c d ...
Page 80: ...79 97 Fig 6 Fig 7 Fig 8 9 10 12 11 7 8 a b 29 28 27 26 41 43 44 41 39 42 40 42 45 a c b d d ...
Page 95: ...94 97 11 3 2 Connecting diagram ROTINA 420 420 R ...
Page 96: ...95 97 ...
Page 97: ...96 97 ...