Preventing risks of fatal injury from electric shocks
• Make sure that all regulations applicable at the point of use are complied with.
• Always make sure that the controller is disconnected from the power supply before
carrying out any work on it.
• Make sure that the connections of the protective extra-low voltage areas do not get
mixed up with the power supply connections.
• On completion of installation work, refit the terminal cover and tighten the locking
screw using a screwdriver.
• Make sure that the electrical connection of the controller can be disconnected from the
mains externally if required.
• Make sure that all cables are secured by strain relief devices.
• Use the device only if it is in a fault-free condition.
Preventing risks of fire
• Install the controller on a non-flammable subsurface.
Preventing risks of injury from burns
• Carry out installation work on the solar power system only when it has cooled down.
• The process water can reach very high temperatures. Exercise particular care when
configuring settings on the controller.
• Take water samples after completion of the settings and check them using a suitable
thermometer.
Preventing damage to property
• A damaged controller may cause malfunctions in the system as well as damage to its
components. Use the controller only if it is in a fault-free condition.
• Install the controller with due observance of its protection class. Information about this
can be found in the chapter Technical Data from page 46 onwards.
• Make sure that no moisture gets into the controller.
• If any moisture gets into the controller, disconnect the controller from the power
supply.
• Make sure that the maximum permissible ambient temperature is not exceeded.
Information about this can be found in the chapter Technical Data from page 46
onwards.
• Make sure that all components to be connected to the switching outputs are suitable
for an operating voltage of 230 V/50 Hz.
• When in "manual mode", the system must only ever be operated for a short time and
only for test purposes.
• Install sensor lines separately from 230 V lines.
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