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5.1.3 Affixing Warning Sign
IMPORTANT!
Affix the supplied self-adhesive warning sign such that it is clearly visible on the radiation
chamber.
5.1.4 Hydraulic Connections
ATTENTION!
• Make the hydraulic connection of the radiation chamber in accordance with valid
general guidelines as well as the locally applicable installation regulations.
• Use UV-resistant material for the hydraulic connection!
If PVC is used, it is possible that the PVC material may discolour in the area of the
connection and even turn brittle under unfavourable conditions.
• In applications with demanding disinfection requirements (e.g. drinking water disinfection)
without facilities for interrupting the water flow in the case of fault/malfunction
(e.g. shutting down the delivery pump):
Fit an automatic shut-off valve downstream of the radiation chamber and connect to the
control!
The automatic shut-off valve must close automatically to ensure the flow of water is
interrupted also in the event of power failure.
IMPORTANT!
• Fit valves upstream and downstream of the radiation chamber for the purpose of
shutting off the radiation chamber when performing maintenance and servicing work!
• Fit suitable stopcocks upstream and downstream of the radiation chamber for the
purpose of taking microbiological samples!
• For radiation chambers that are regularly cleaned by filling with a cleaning solution, it is
recommended to replace the water drain screw and vent screw by suitable valves.
• It is advisable to use a suitable acid-resistant pump to fill larger radiation chambers via
the water drain opening.
• If the radiation chamber is filled using a pump, it is advisable to circulate the cleaning
solution via the vent opening. This will shorten the cleaning time and improve the
results.
ATTENTION!
The UV system may be operated only with the radiation chamber completely filled with
water. With the radiation chamber empty or only partially filled there is the risk of damaging
the UV lamps and radiation chamber. Particular care must therefore be taken to ensure that
the radiation chamber cannot run empty while the pump is switched off.
5.2 Control Cabinet and Control
5.2.1 Installation
➤ The control cabinet and/or the carrier panel with the control and ballast are to be mounted on
the wall or a suitable frame such that the lamps and sensors can be connected with the cables
provided.
ATTENTION!
The lamp connection cable and the sensor cable must not be extended!
5.2.2 Electrical Connections
WARNING!
• Comply with the valid general guidelines as well as the locally applicable installation
regulations!
• Perform installation work only with the power supply to the system disconnected!
• When a safety extra-low voltage (SELV) is applied to one of the terminals of X4, mains
voltage must not be applied to the other terminals of X4!
Assembly and Installation
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