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7
Maintenance
When
servicing the Airmix™, the fan plug must be removed from the socket, and the drive
disconnected, to prevent unexpected and unwanted starting of the fan or gear-rack drive.
The
Airmix™
requires a minimum of maintenance:
•
Keep the intake side of the fan free of foreign objects and dirt.
•
If the fan blades, fan housing or aluminum housing of the
Airmix™
are dirty, wipe them down
with a damp cloth.
•
Replace the capacitor (AC variant) after 10,000 operating hours. This will help maintain the
correct speed and avoid excessive power consumption (reduced efficiency).
8
Failures and repairs
Experience has shown that failures are virtually non-existent. What can happen in practice is that the
thermal protection of the fan is triggered due to an internal defect, but if this does happen, it means
that the fan has reached the end of its service life and must be replaced.
If the Airmix™ valves do not move to the desire
d position, it means the gear-rack drive is defective or
a valve has jammed. Defective drives must be replaced. The valves can be manually opened or closed
if the drive is unblocked (see unblock button in Figure 23). This allows the place where the valve is
jammed to be determined and fixed.
9
Disassembly
Check that the plug has been removed from the power supply at the socket and the gear-rack drive is
disconnected, to prevent unintentional and unwanted staring of the fan, or the valves opening or
closing. Make sure that the workplace is safe.
