THOMSON Amethyst III - Cleaning Air Inlet Grill

Chapter 4 ’Servicing’ — Cleaning Air Inlet Grill
Amethyst III DTV Smart Switch 183
User Manual
Cleaning Air Inlet Grill
To prevent the power supply from overheating, you must regularly:
 Clean the rack filter according to the manufacturer’s
recommendations
 Clean Amethyst III’s air inlet grill
These operations must be performed
at least twice a year.
The device must be installed in a room with low dust levels. The
maximum density of dust in the air must not exceed 100 μg/m
3
and
the maximum number of particles with a diameter greater than 1 μm
mus
t not exceed 1 million/m
3
.