10 | Maintenance and service
Installer and user reference guide
32
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
rear suction
bottom suction
5 Make sure that hooks are properly fixed.
6 Turn ON the power.
7 To remove warning screens, see the reference guide of the user interface.
10.2.2 To clean the air outlet
WARNING
Do NOT let the indoor unit get wet. Possible consequence: Electric shock or fire.
NOTICE
▪ Do NOT use gasoline, benzene, thinner polishing powder or liquid insecticide.
Possible consequence: Discoloration and deformation.
▪ Do NOT use water or air of 50°C or higher. Possible consequence: Discoloration
and deformation.
Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral
detergent.
10.3 Maintenance before a long stop period
E.g., at the end of the season.
▪ Let the indoor units run in fan only operation for about half a day in order to dry
the interior of the units.
▪ Clean air filters and casings of indoor units (see "10.2Cleaning the air filter and
air outlet"[431]).
▪ Remove the batteries from the user interface (if applicable).
10.4 Maintenance after a long stop period
E.g., at the beginning of the season.
▪ Check and remove everything that might be blocking inlet and outlet vents of
indoor units and outdoor units.
▪ Clean the air filter and the casing of the indoor unit (see "10.2Cleaning the air
filter and air outlet"[431]).
▪ Insert batteries in the user interface (if applicable).