HR MANUAL MAINTENANCE
Manual version 4.1 (26-07-2018)
en-65
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 heatin
g
el
ements are clean. Settled dust may cause an unple
asant
smell.
Car
efully remove dust with a vacuum cleaner.
• Check that the plate heat exchangers are clean.
Clean
th
em 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:
2.13 "Switching on and checking operation" on page 29
6.2 "Replacing the filter" on page 64
6.3 "Cleaning the unit" on page 65
7.1 "Cleaning the plate heat exchangers" on page 66
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