6 720 821 652 (2017/05)CRC200
Explanation of symbols and safety instructions | 3
1.2 Safety instructions
These operating instructions are
intended for the heating system user.
▶ Read and retain the operating
instructions (heat source, modules
etc.) prior to operation.
▶ Observe safety instructions and
warnings.
Designated use
▶ Use the product only to control
heating systems in residential houses
or apartments.
Any other use is considered improper.
Any resulting damage is excluded from
the manufacturer's warranty.
Inspection and maintenance
Regular inspection and maintenance are
prerequisites for safe and
environmentally compatible operation
of the heating system.
We recommend that you enter into a
contract for the annual inspection and
demand-dependent maintenance with
an authorized contractor.
▶ Have work carried out only by an
authorized contractor.
▶ If any faults are discovered, have
them remedied immediately.
Risk of damage from frost
The system can freeze if it is switched
off:
▶ Observe the instructions for frost
protection.
▶ Always leave the system switched on
for additional functions, e. g. water
heating or anti-seize protection.
▶ Have faults rectified immediately.
Risk of scalding at the hot water draw-
off point
▶ If hot water temperatures above
60 °C are set or if thermal disinfection
is activated, a mixer must be
installed. If in doubt, ask your
contractor.
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