Installation; Transport And Storage; Unpacking; Installation Requirements - Grundfos AQC-D4 Installation And Operating Instructions Manual

L
I
J
N
A
B C D
Fig. 4 Measuring cell AQC-D4
Pos. Description
A Location of pH and redox electrode
B Location of sample water regulating device
C Location of measuring and reference electrode
D Location of temperature sensor Pt100
E Measuring and reference electrode
F Flow fitting
G Limitation of sample water with ascending pipe
H Cleaning drive
I Sample water deficiency sensor
J Connection for sample water inlet
K Connection for sample water outlet
L Sample water adjusting device
M Counter-electrode
N Contacting of counter-electrode
O Screw part with magnetic stirring stone

8. Installation

8.1 Transport and storage

E
G
Caution
F
K

8.2 Unpacking

Caution
M
O • Check the scope of delivery.
• Install as soon as possible after unpacking.
H

8.3 Installation requirements

Caution
• The location must be vibration-free, dry, dust-free and free of
corrosive, pungent fumes or aggressive solvents.
• For safety reasons, the customer should install an earth
leakage circuit breaker for the measuring amplifier
Conex
• Maximum permissible cable length between measuring cell
and measuring amplifier: 3 metres.
• Ensure a continuous supply of sample water.
• Retain the permissible inlet pressure and counter-pressure of
the sample water.
– Fit a pressure booster pump or pressure reducer, if

8.4 Mounting

The flow armature is fastened to the mounting plate from factory.
Caution
Caution
1. Drill four dowel holes with a diameter of 10 mm and minimum
60 mm deep. See section
diagram.
2. Mount the mounting plate on the wall using the mounting
material provided. Distance between the mounting plate and
the wall: minimum 20 mm.
Caution
Fig. 5
Transport the device carefully, do not drop!
Store in dry conditions between +5 °C and +40 °C.
Store electrodes between -5 °C and +30 °C.
Keep protective caps moist with 3-molar potassium
chloride solution.
Do not allow any foreign bodies to enter!
If you do not observe the installation requirements,
the device may be damaged!
The measurements may not be correct!
®
DIA and the motor of the measuring cell.
necessary.
The measuring cell breaks when the screws are
tightened! Do not tighten the screws; only screw
them in without tightening them!
The potentiostatic measuring cell or preassembled
system must be mounted vertically!
6.2 Dimensional sketch / drilling
Do not pinch the cable! Always observe the
wall-mounting guide below.
Wall-mounting guide for AQC-D4 preassembled
system
20 mm
9