49
UNIT MAINTENANCE
ATTENTION!
Wear proper personal protective equipment (PPE) to perform
maintenance.
ATTENTION!
Before accessing the unit for maintenance and/or
cleaning, make sure that it is not live, that it cannot be
powered without the operator knowing it and that the
heat exchange coils are not on.
ATTENTION!
Pay particular attention when working near the nned
coils as the louvers are particularly sharp.
ATTENTION!
When maintenance is nished, always close the unit
with its panels, xing them with screws.
The TA series units have been designed to require little maintenance
and to make every operation convenient. The following is simple
advice for correct maintenance of the unit.
In any event the maintenance program must be carried out by a
specialised technician.
ROUTINE MAINTENANCE
Routine maintenance consists in simple operations which should be
performed monthly as follows:
- check that the screws xing the fans to the panels are tight;
- check that the unit’s electric power cable has no alterations which
would jeopardise its insulation;
- check that the screws xing the conductors to the electric
opponents on the electric control board are tightened properly in or-
der to guarantee correct electric connection; the same must be done
for the earth connections.
FILTER MAINTENANCE (IF ANY)
Cleaning the lters is fundamental to keep the air quality in the room
at a high standard. The synthetic lters mounted on TA units can be
regenerated with a compressed air jet or washed with cold water. To
remove the lters, do as follows (see gure below):
• remove the inspection panels provided with knobs;
• pull the lters o;
• clean the lters;
• put all the components back on in inverse order.
MAINTENANCE OF FANS
It is essential to control and clean the fans to keep noise low in the
room where the unit is installed. Check yearly:
- check rotor cleanliness;
- check bearings noise;
MAINTENANCE OF COILS
Checking and cleaning the coils is fundamental to keep the air quality
and renewal in the room at a high standard.
Check yearly:
- check the nned pack cleanliness;
Dimensional table of filters used in the TA units
TA
FLAT
FILTER
665 x 265
FLAT
FILTER
1015 x 265
FLAT
FILTER
1440 x 355
FLAT
FILTER
2065 x 355
09 1
11 1
15 1
19 1
24 1
33 1
40 1
50 1
TA
BAG
FILTER
287 x 592
09 1
11 1
15 1
19 1
24 2
33 2
40 3
50 3