Usage Restrictions; Versions - AERMEC TRA Manuel Technique

Key TRA 50 - 750
1 Fan shield network
2 Electric motor
3 Fan support ring
4 Fan with plastic blades
5 Fibreglass body
6 Air intake grille
7 Overfill
Key TRA 850 - 1100
1 Fan shield network
2 Aluminium blade impeller
3 Electric motor
4 Fibreglass hat
5 Drop separator
6 Distribution piping
6
Description of the unit
8 Top up with floating valve
9 Filling material
10 Spray nozzles
11 Drop separator support network
12 Drop separator
13 Hydrometer - bleed tap assembly
7 Fibreglass and polystyrene panel
8 Air intake grille
9 Fibreglass tank
10 Tower body structure
11 Filling material
12 Spray nozzles
13 Hydrometer - bleed tap assembly
The cooling towers shown and described
here are ideal for cooling industrial type
water provided it is chemically and
physically clean.

Usage restrictions

All uses other than those provided for
are prohibited and anyway not advised,
in particular that of water in solutions
with polluting and harmful elements if
released into the atmosphere.
The cooling towers in the TRA series are
used in all cases where it is necessary to
cool water to a temperature near that of
the wet bulb of the outside air.
The use of these devices is particularly
recommended in localities where water
is scarce.
There are seventeen models.

Versions:

• Standard
• Low noise version (L) obtained with
fans with a greater number of blades
and small number of revolutions
• Two-speed motor
thermostat.
N.B.:
on towers in the TRA series, it is not
possible to have the option "quiet
functioning" and the option "motor
with double polarity" at the same time.
Component descriptions
Axial motor fan
The motor fan assembly consists of :
• three phase electric motor:
(IP 55 protection,
winding, multivoltage voltage
multifrequency ).
• motor support ring made of steel hot-
galvanised after machining.
• axial fan directly coupled with the
electric motor with, aluminium hub
(models TRA 50-90-170-240-400-550)
or steel hub (model TRA 600-750) and
interchangeable blades.
• AISI 304 stainless steel fan shield
with graded
tropicalised
and