Grundfos AQC-D6, Installation And Operating Instructions Manual

Page: 9 / 18

English (GB)
9
9.2 Electrical connections
• 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
Fig. 9 Cable connection block on the base of the Oxiperm
Pro
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
Fig. 10 Connecting to the connection block of the Oxiperm
Pro, up to software version V0.19
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.
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.
Caution
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
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
TM
03 71
55 081
3
Pos. Description
1 Power supply
7 Measuring cell
13.2 Water sensor
1 7
13.2
TM
06
81
16
4
616
Pos. Connection Description
AQC-D6 measuring cell
65 - 12 V Brown
66 White
67 M Yellow
70 Green
Water sensor
55 + Black
56 - White
65
66
67 69 71
68 72 70
55 57
58 56