Unit Maintenance - AERMEC TDA Manual De Instalación, Uso Y Mantenimento

Unit maintenance

WARNING!
Use suitable personal protective equip-
ment (PPE) during maintenance operations
WARNING!
Before accessing the unit for
maintenance or cleaning opera-
tions, make sure that the unit
is disconnected from the power
supply, and the supply can not be switched
on again without the maintenance engine-
er's knowledge and that the heat exchange
coils are off.
WARNING!
Take particular care when
working close to finned coils
because the fins are particu-
larly sharp.
WARNING!
After finishing the maintenance
operations, make sure that the
panelling is correctly closed by
means of fixing screws.
The units of the TDA range have been desi-
3 1 4
H
L
Selection, installation, use and maintenance manual
gned to require less maintenance, and to
make each operation easier. Below are
some simple instructions for correct main-
tenance of the unit.
The maintenance program must in any
case be carried out by a qualified tech-
nician.
Routine maintenance
Routine maintenance consists of simple
operations that should be carried out
monthly, as follows:
- check the tightness of the fans fi xing
screws to the panels;
- check that the machine's power supply
cable has not undergone any alterations
that could compromise its insulation;
- make sure that the screws that fi x the
wires to the electrical components inside
the electric panel are tight so as to gua-
rantee an electrical connection; the same
also goes for the earth connections.
Maintenance of the filters (if
present)
The cleaning of the filters is fundamental
in order to maintain a high qualitative
standard of air in the room. The synthe-
tic filters fitted to the TDA unit can be
regenerated using compressed air or by
2
1
Mod.
TDA 09
TDA 15
TDA 21
TDA 28
TDA 37
39
Air conditioning unit -
washing them in cold water. To disassem-
ble the filters, observe the following indi-
cations (see the figure below):
• remove the inspection panel with
knobs;
• remove the filters;
• clean the filters;
• reassemble all the components in the
reverse order.
Fan maintenance
It is essential to check and clean the fans,
to maintain the low noise level of the
unit. Check annually:
- the clean state of the impeller;
- the noise level of the bearings.
Coil maintenance
It is essential to check and clean the coils,
to maintain the high standard of quality
and renewal of fresh air in the room.
Check annually:
- the clean state of the finned unit.
H (mm) L (mm)
210 820
230 900
230 1,300
280 1,300
280 1,300
TDA range