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Fan Coil Unit One-Way Cassette Type
7. Maintenance and Troubleshooting
ELECTRICAL HAZARD!
Before carrying out any work on the unit, power the unit down to avoid injury from electrical current.
Check that the unit is isolated and ensure that the appropriate point of the unit for the on-site
power supply is secured against being switched back on.
DANGER OF SCALDING!
Before performing work on the valves or the inlet or outlet pipes, seal off the heating or cooling
medium inlet to prevent scalding. Do not commence work before the heating medium has cooled
down.
DANGER OF ROTATING UNIT PARTS!
Rotating fan wheels can cause injury! Before performing any work on the unit, ensure that it is
powered down. Ensure that the appropriate point of the unit for the on-site power supply is
secured against being switched back on.
7.1 Maintenance
The One-Way Cassette fan coil unit is a high-quality and reliable unit. However, to guarantee the
permanent functioning and performance of the unit, regular maintenance and inspection by
technical experts is necessary.
NOTE!
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Maintenance may only be performed by trained technical personnel in observance of
this operation manual and current regulations.
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The manufacturer's warranty will be invalidated if unit damage is attributed to the
failure to perform regular maintenance and inspections.
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The valid warranty prescribes to maintain a written maintenance report.
7.2 Checklist of periodic maintenance
The following maintenance tasks must be performed at the indicated time intervals.
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Troubleshooting
