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9. Maintenance
The HygroMatik steam humidifier is easy to maintain. However,
inadequate or improper maintenance can lead to operational
malfunctions. Perform regular maintenance to give your unit a
long life span.
Warning: When performing maintenance work, please note:
• During operation and also for a while after switching off
the unit the steam cylinder is hot. Before touching the
cylinder, check its temperature.
• Drained cylinder water could have a temperature up to
95°C.
• Leakages within the humidifier could lead to leakage
currents.
• The unit is only to be serviced by qualified, authorized
personnel.
• Observe safety notes.
• Switch off the unit before maintenance and protect
against restart.
• After maintenance work, have qualified personnel
check that the unit is operating safely.
The steam humidifier's performance and maintenance intervals
primarily depend on the water quality (carbonate hardness, con-
ductivity) and the quantity of steam produced since the last
maintenance. Abnormal water quality can shorten or lengthen
maintenance intervals. Ongoing maintenance intervals can be
estimated based on the amount and type of residue found in the
steam cylinder.
Indications that cylinder maintenance is required immediately
include:
9.1 Maintenance Work
Mineral deposits precipitate and crystallize very differently in dif-
ferent types of water, even when two types have the same con-
ductivity and hardness levels (the various constituents in the
water interact differently).
Instructions on maintenance and cleaning intervals, or on elec-
trode service life, are based entirely on empirical data.
Control Indicator
Basic maintenance message: red and green LED are
blinking: Unit has switched itself off automatically.
Comfort/
Comfort
Plus
Maintenance message on the display (red and
green LED are blinking). Unit has switched itself off
automatically*.
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