HR M
ANUAL
M
AINTENANCE
Manual version 3.0 (10-10-2017)
en-59
en
6.3
Cleaning the unit
You can clean the interior and exterior of the unit with a
damp cloth and a domestic cleaning agent. Do not use any sol-
vents.
6.4
Scheduled maintenance
It is recommended to have the following inspection and main-
tenance activities performed annually by an installer or other
technical expert.
• Check the casing, the suspension or mounting structure,
and the securing of the unit.
• Check whether the filters are clean enough and undam-
aged. Replace the filters if necessary.
• Check that the heat exchanger or the electrical heating
elements are clean. Settled dust may cause an unpleasant
smell.
Carefully remove dust with a vacuum cleaner.
• Check that the plate heat exchangers are clean. Clean
them if necessary.
• Check all connections of the cabling.
• Check the operation of the fans and the valves.
• Check the condensate drain:
- Clean the drainage container.
- Flush the drain pipe.
- Check that the trap is filled with water.
See also:
2.12 Switching on and checking operation op pagina 27
6.2
"Replacing or cleaning the filter" on page 58
