![Grundfos AQC-D12 Installation And Operating Instructions Manual Download Page 14](http://html1.mh-extra.com/html/grundfos/aqc-d12/aqc-d12_installation-and-operating-instructions-manual_2271577014.webp)
English (GB)
14
10.5 Electrical connections
Preassembled systems
The preassembled systems are prewired.
1. Connect an earth leakage circuit breaker in front of the
measuring amplifier.
2. Connect the electricity supply to the measuring amplifier.
AQC-D12 measuring cell
1. Connect electrodes to the corresponding terminals of the
measuring amplifier.
2. Connect measuring electrodes to the corresponding terminals
of the measuring amplifier. Fit the screen according to the
installation and operating instructions of the measuring
amplifier and controller.
3. Connect the water sensor to the corresponding terminals of
the measuring amplifier.
4. Connect an earth leakage circuit breaker in front of the
measuring amplifier.
5. Connect the electricity supply to the measuring amplifier.
Fig. 18
Conex DIA-1 / DIA-2 / DIA-2Q for panel-mounting
Fig. 19
Conex DIA-1 / DIA-2 / DIA-2Q for wall-mounting
Warning
The electrical connection should be carried out by
qualified personnel!
Before connecting the supply cables, check that the
supply voltage specified on the nameplate
corresponds to the local conditions!
Before connecting the supply cables, switch off the
electricity supply!
Observe the local safety regulations!
Protect the cable connections and plugs against
corrosion and humidity.
Connect an earth leakage circuit breaker in front of
the measuring amplifier.
Caution
Observe the installation and operating instructions of
the measuring amplifier and controller!
Note
The cables are not preconnected. See section
10.4 Preparing the electrode cable for connection to
the measuring amplifier
.
Caution
Observe the installation and operating instructions of
the measuring amplifier and controller!
Caution
Before connecting the supply cables, check that the
supply voltage specified on the nameplate
corresponds to the local conditions!
Observe the installation and operating instructions of
the measuring amplifier and controller!
T
M
04
86
29
39
12
T
M
04
86
30
39
12
1/11 1/13 4/1
1/12 1/14
4/3
4/2 4/4
3/1 3/3
3/2 3/4
B
A
1
4
Conex
2/3 2/4
+
-
12
M B/RG/C
7
1
6
Pt 100
2
8
9
1
4
11
8
11
12
9
9
10
Sensorinterface
7
1
37
38 39 40
41 42
6
12
4
1
15 17
19
21 23 25 27 29 31 33 35
36
34
32
30
28
26
24
22
20
18
16
9
8
2
1
4
11
8
11
12
9
9
10
Summary of Contents for AQC-D12
Page 2: ...2...
Page 220: ...RU 220 11 5 1 a b c d e 2 a b c d e f g h i 3 a b c 4 a b 10 c d...
Page 266: ...266...