Installation Of Temperature Sensor Pt100; Installation Of The Sample Water Deficiency Sensor; Electrical Connections 11 Pos; Checks Prior To Start-Up - Grundfos AQC-D5 Installation And Operating Instructions Manual

9.5 Installation of temperature sensor Pt100

Warning
Observe the installation and operating instructions of
the measuring amplifier!
1. Plug the temperature sensor (product number 95713140) into
the supplied cover.
2. Put the cover with the measuring sensor into the measuring
cell at the designated location (pos. D).
3. Establish the electrical connections.
Observe the installation position!
Caution
Do not insert the temperature sensor into the
overflow hole of the sample water limitation (pos. G)!
Fig. 10 Mounting of temperature sensor Pt100
Fig. 11 Mounting position of Pt100

9.6 Installation of the sample water deficiency sensor

• If required, screw the sample water deficiency sensor (pos. I)
into the designated location at the measuring cell.
I
Fig. 12 Installation of the sample water deficiency sensor
Pt 100
9.7 Electrical connections
Warning
Switch off the power supply before installing.
Observe the local safety regulations for electrical
installations.
1. Connect the electrodes to the measuring amplifier terminals.
2. Connect the sample water deficiency sensor to the
corresponding terminals of the measuring amplifier.
3. Connect the temperature sensor to the corresponding
terminals of the measuring amplifier.
4. Connect the measuring amplifier to the power supply
according to the wiring diagram. See section
diagram.
Observe the installation and operating instructions of
Caution
the measuring amplifier!

9.8 Checks prior to start-up

1. Check the whole system for leaks.
2. Check the electric connections.
At first commissioning or after long-term stop:
Run in the system for at least two hours to avoid
Caution
faulty measurements and calibration!
®
9.9 Operating the Conex
First commissioning of the Conex
• Select operating language.
• Select the corresponding line using the [Up] or [Down] button,
and press [OK] to confirm.
Main menu (leaving initial display by pressing [OK])
• Select "Setup" using the [Up] or [Down] button, and press [OK]
to confirm.
9.9.1 Setup
At first commissioning:
Code function: enter the code numbers, if this is used:
• Enter the code for full rights.
– allows access to all menus and functions for one hour
• Enter the code for calibration rights.
– allows access to calibration (CAL) and to manual operation
(MAN) for one hour.
• If no code was entered before, all menus can be accessed
without restrictions and are not protected!
• Press [OK] to return to the main menu and change again to the
"Setup" menu.
Afterwards:
• If a code has been entered previously, enter the code for full
rights.
– access to all menus and functions for one hour.
• Date/time: Set the actual time, if necessary.
• Parameter: Select the "Chlorine" parameter.
– Select pH measurement, if necessary.
– Switch off pH compensation.
– Select temperature measurement/compensation, if
necessary.
• Select measuring cell: AQC-D1.
• Measuring range: Set the measuring range.
• Current output: Set the current loops.
• Select and configure the controller.
• Sample water deficiency sensor: Switch on the sample water
deficiency sensor.
See the installation and operating instructions of the
Note
®
Conex DIA for further details!
15. Wiring
DIA
®
DIA
11