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Safety requirements
These instructions are intended exclusively for authorised professionals.All
installation and wiring work on the controller must only be carried out in a
zero-volts state.
The opening, connection and commissioning of the device may only be
carried out by competent personnel. In so doing, all local security
requirements must be adhered to.
The device corresponds to the latest state of the art and fulfils all necessary safety conditions. It may
only be used or deployed in accordance with the technical data and the safety conditions and rules
listed below. When using the device, the legal and safety regulations apposite to the particular use
are also to be observed. Incorrect use will result in the negation of any liability claims.
► The device must only be installed in a dry interior room.
► It must be possible to isolate the controller from the mains using an all-pole isolating device
(plug/socket or double pole isolator).
► Before starting installation or wiring work, the controller must be completely isolated from the mains
voltage and protected against being switched back on. Never interchange the safety extra-low
voltage connections (sensor connections) with the 230V connections. Destructive and life-
threatening voltages at the device and the connected sensors may occur.
► Solar thermal systems can become very hot. Consequently there is a risk of burns. Take care
when fitting temperature sensors!
► For safety reasons, the system should only be left in manual mode when testing. In this operating
mode, no maximum temperatures or sensor functions are monitored.
► Safe operation is no longer possible if the controller or connected equipment exhibits visual
damage, no longer functions or has been stored for a lengthy period of time under unsuitable
conditions. If this is the case, place the controller and equipment out of service and secure against
unintentional use.
Maintenance
The system does not require maintenance if handled and used properly. Use a cloth moistened
with soft alcohol (such as spirit) to clean. Do not use cleansers and/or solvents such as trichlorethene.
As none of the components relevant to accuracy are under loads when used properly, they have a
long service life without much drift. The unit thus does not have any adjustment options. No
adjustments are needed.
The design characteristics of the unit must not be changed during repairs. Spare parts must
correspond to the original spare parts and be as good as new.
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