Klingenburg CERTO, Documentation, Page: 29 / 52

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Terminal assignments controller / pump station
0-10 V
4-20 mA
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
15
16
14
13
S3
S2
S1
N
L1
PE
W
PE
V
U
PE
PE
N
L1´
N
L1´
N
L1
7
12
3
4
5
6
8
9
10
11
12
L2
L3
N
N
U
V
W
PE
L1
PE
N
PE
PE
U
V
W
14
13
15
16
17
18
MR
34
35
36
37
38
39
40
41
b
c
d
e
f
g
ha
MZ 1
MZ 2
PEU V WPE PE
MZ
2
1314 1516
1
2
4
1718 PE
∆ P
D1
2
3
M3~
N N PEPE
MR
1
2
4
MR
min 4 x 1,5
MZ
1
PE N
MZ
1
MZ
2
1
2
4
18 17 16 15 14 13 PE PE N 39 36 35 PE W V U
1
∆ P
3
D2
Terminals at the control units CERTO from 4 kW with 2nd level
Maximum relay
load 250 V
AC 1A
Control signal
Overpressure
message
Status message
Follow-up
drying run
W
ater
processing
Fault
message
S1 and S3 closed durin
g
operation.S2 and S3 closed in case of malfunction or power failure
Maintenance
message
Input 400 V
50 Hz
to pump station X2
Controller
to pump station X2
Motor
P
ump station
to controller
min 4 x 1,5
X2
MZ 1: Solenoid supply purge MR: Solenoid valve purge
MZ 2: Solenoid valve 2nd level
a: L´ Power supply valve output (nominal 230V~) b:
Solenoid valve supply
c:
Control-range extension 2nd level
d:
Control-range extension 3rd level
e:
3/2 multi way valve for switchover for supply and exhaust air
f: Solenoid valve back purge (Filter) g:
Solenoid valve air compressor (hygienic flush)
h: Solenoid valve discharging (hygienic flush)
Terminal connections Pump station: 13: Low pressure switch D1 (+) 14: Low pressure switch D1 (-) 15: High pressure switch D2 (+) 16: High pressure switch D2 (-) 17:
Thermal contact motor (+)
18:
Thermal contact motor (-)
Humidity sensor connection:
Terminal connections Control unit: 5:
swith over contact (potential-free) +24 V=
6:
Intake- and exhaust air humidification (Parameter sets)
7: +10 V 8: Controller signal input (+) 9: Controller signal earth (- / GND) 10: Earth
11: Controller 24 V= 12: Controller enable 13: Low pressure switch D1 +24 V= 14: Low pressure switch D1 15: High pressure switch D2 +24 V= 16: High pressure switch D2 17:
Thermal contact motor +24 V=
18:
Thermal contact motor
Terminal sensor
Terminal control unit
3 (+10 V input)
7 (+10 V output)
2 (signal output)
8 (0-10 V input)
1 (earth)
9 (earth)
back-up fuse
solenoid valve