Installation
18
© Lutz-Jesco GmbH 2020
BA-42840-02-V03
Water sampling station
EASYPRO COMPACT
Operating instructions
7.4 Installing the hydraulics
PLEASE NOTE
Hydraulic distortion of the measurement results
Incorrect installation of the hydraulic lines can distort the measure-
ment results. As a result, the controlling of connected systems and
control points may be faulty.
ð
Comply with all the guideline instructions for installing the water
sampling station and connected devices.
ð
Only use hose connections made from polyethylene (PE) with a
diameter of 6/8 mm.
ð
Prevent misrepresentations of the sample water en route to the
water sampling station by taking the sample water 30 cm above
the bottom of the tank or in the centre of the water pipe. The
extracted sample water must reach the water sampling station
within a short space of time, thereby arriving with a pressure of
0.3 bar.
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If the extraction or supply of the sample water does not satisfy
these requirements, an external sample water pump must be
installed before the water sampling station.
ð
If you expect heavy soiling (e.g. leaves, coarse, small floating
materials, etc.) in the sample water, use an external pre-filter. It
helps you prevent blockages in the water sampling station.
Pre-conditions for actions:
ü
The wall mounting and electrical installation have been successfully
completed.
Perform the following work steps:
1.
Connect the extraction point of the sample water to the inflow tap
(Fig. 1 “Water sampling station EASYPRO COMPACT” on page 8,
pos. 8) by plugging the hose into the inflow tap.
2.
Connect the return-flow hose of the sample water to the outflow tap
(Fig. 1 “Water sampling station EASYPRO COMPACT” on page 8,
pos. 4) by plugging the hose into the outflow tap.
ü
The hydraulic of the water sampling station have been
successfully installed.
7.5 Connecting sensors
DANGER!
Mortal danger from electric shock!
Live parts can inflict fatal injuries.
ð
Disconnect the external power supply before opening the water
sampling station or the
TOPAX
®
MC
controller.
ð
Secure the station to prevent it from being switched on again!
Up to four input modules can be connected to the device. A water
parameter and the temperature can be measured with every module.
Pre-conditions for actions:
ü
The voltage supply has been disconnected and protected against
re-connection.
ü
The housing is open.
Resources required:
@
Sensors
@
Suction connection
Perform the following work steps:
1.
Lead the cable through one of the cable screw connections on the
underside into the interior of the housing.
2.
Connect the wires onto the clamp block of the input modules. Comply
with the terminal plans in the following sections.
ü
Sensor connection completed.
PLEASE NOTE
Electronic distortion of the measurement results.
Incorrect installation of the electrical cables can distort the measure-
ment results. As a result, the control of connected devices can be
faulty.
ð
Do not route the connecting cable parallel to the mains and control
connections, and always with a clearance of at least 15 cm. Lay
connection junctions at an angle of 90°.
