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8.2 Hydraulic Installation
8.3 Electrical Installation of the Sensors
Installing sensors in the bypass fitting DLG III/IV
Requirement
The sensor is filled with electrolyte and the dia‐
phragm cap is screwed on tightly.
Accessories: Mounting kit, part number 815079.
Refer to the operating instructions for the respec‐
tive sensor.
1.
Unscrew a large blanking threaded connector out of the top
of the in-line probe housing
Blanking threaded connector
Retain the blanking threaded connector. You
can use the blanking threaded connector to
reseal the in-line probe housing at a later
stage. You can then operate the in-line probe
housing without a sensor.
2.
Push the O-ring (4) from below over the sensor (3) up to the
clamp disc (2)
3.
Push the washer (5) from below over the sensor up to the O-
ring (4)
4.
Insert the sensor into the in-line probe housing
5.
Screw the sensor with the threaded sleeve (1) to the in-line
probe housing until liquid-tight
Free flow
Make sure that there is no overpressure > 1 bar
and also no negative pressure at the outlet of the
DLG. Overpressure damages the DLG. Negative
pressure damages the sensors fitted.
1.
Use the hose connection set 8/5 mm (DLG III A) to seal the
sample water line or as an adhesive connection between
PVC-U pipe d16 and the adhesive connection d16
2.
If fitted: Seal the backflushing line (inner diameter of the hose
4 - 6 mm)
The bypass fitting can be fitted with different sensors. All the dif‐
ferent types of sensors listed here can be fitted but do not have to
be.
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