Electrical Connections - Grundfos AQC-D6 Montage- Und Betriebsanleitung

9.2 Electrical connections

Warning
Incorrect electrical connections can result in serious
injury and damage to property!
Electrical connections may only be set up by
authorised personnel!
Warning
Switch off the power supply before connecting the
power supply cable and the relay contacts!
Observe the local safety regulations!
Protect the cable connections and plugs against
corrosion and moisture.
Before connecting the power supply cable, check
that the supply voltage specified on the nameplate
corresponds to the local conditions.
An incorrect supply voltage may destroy the device!
To guarantee electromagnetic compatibility (EMC),
the input and current output cables must be
Caution
screened.
Connect the screening to the screen ground on one
side.
Refer to the wiring diagram!
Route the input, current output and power supply
cables in separate cable channels
• Connect the cable with four-pole screw-on connection to the
measuring cell. Please refer to fig. 10.
9.2.1 Connecting the measuring cell to Oxiperm Pro
1
Fig. 9 Cable connection block on the base of the Oxiperm
Pro
Pos. Description
1 Power supply
7 Measuring cell
13.2 Water sensor
1. Connect the measuring cell to Oxiperm Pro (connection 1).
2. Connect the power supply cable.
Connecting to the connection block of the Oxiperm Pro, up
to software version V0.19
7
Fig. 10 Connecting to the connection block of the Oxiperm
13.2
Pos.
AQC-D6 measuring cell
65
66
67
70
Water sensor
55
56
1. Connect any current output cables as required.
2. Connect any relay contacts as required.
Always observe the Oxiperm Pro installation and operating
instructions.
3. Connect the power supply cable.
65 67 69 71
66 68 70
55 57
56 58
Pro, up to software version V0.19
Connection Description
- 12 V Brown
White
M Yellow
Green
+ Black
- White
72
11