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Due to the high tightening torque, flare con-
nections may be damaged.
▶ Observe the specified torques for flare
connections.
Risk of being scalded by hot potable water
There is a risk of scalding at the domestic
hot water draw-off points if the domestic hot
water temperatures are greater than 50 °C.
Young children and elderly persons are par-
ticularly at risk, even at lower temperatures.
▶ Select the temperature so that nobody is at
risk.
▶ Inform the end user about the risk of scald-
ing when the Anti-legionella function is
switched on.
1.3.11 Floor drying
If the screed drying is activated without an
outdoor unit and system control, the system
may become damaged without purging the
heating circuit.
▶ Manually purge the system. No automatic
purging takes place.
1.3.12 Maintenance, troubleshooting
Not rectifying faults, changing the safety
devices and failing to carry out maintenance
can cause malfunctioning and pose safety
risks during operation.
▶ Ensure that the heating installation is in a
technically perfect condition.
▶ Ensure that no safety or monitoring
devices have been removed, bridged or
disabled.
▶ Immediately eliminate any faults and dam-
age that may affect safety.
1.4
Regulations (directives, laws,
standards)
▶ Observe the national regulations, stand-
ards, directives, ordinances and laws.
8000017440_FT Installation and maintenance instructions
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