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2. Safety instructions
Observe the following instructions to ensure safety.
Meaning of safety alert symbols
Warning
indicates safety instructions required to prevent severe injury
or death.
Caution
indicates safety instructions required to prevent moderate or
minor injury or property damage.
Cautions on installation
Warning
• To prevent an electric shock, be sure to connect the grounding wire.
• To prevent an electric shock and fire, be sure to check the power cables
and plugs for any damage.
Cautions on maintenance
Warning
• Shut off the power supply before starting the maintenance work.
Otherwise, you may suffer an electric shock.
Caution
• Conduct the maintenance of the heater section only after the power has
been turned off and the heater has cooled down. Otherwise, you may burn
yourself.
• Be careful when touching any glass parts. Otherwise, you may get injured
if they are broken.
• Be sure to discharge any liquids accumulated in the drain tank once the
work is complete. In addition, before starting the discharge, be sure to turn
off the power.
