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4.3 OPERATING AND PERFORMANCE CYCLE
The physical principle of operation is very simple - depending
on the specific conditions of temperature and humidity, air can
be cooled and humidified to create a state of comfort in the
environment to be conditioned.
Once the
watertank is filled with water and the electrical
connections are made, it is possible to start the machine by turning
the switch ON. In case of an installed environment thermostat and/
or humidity indicator, the correct time to switch the machine on
will be indicated.
In the correct operation cycle the pump is activated ensuring the
proper wetting of the evaporation panels, and simultaneously the
operation of the fan.
The calculation of the PERIcooler's performance is shown
in the following table, in which, depending on the humidity and
temperature of the inlet air,
measured:
• the air outlet temperature [°C];
• the relative humidity [%];
• the water consumption [l/min];
• the autonomy [hours] when used without water.
ATTENTION
In case of water is lacking, a special sensor disconnects the
pump to avoid idle functioning, which could cause damage
ATTENTION
In case of anomalies in the operating cycle, consult the table
of anomalies and resolution or contact the Customer Support.
Performance data
External relative humidity (%)
15
20
25
16,8°C
17,8°C
18,8°C
19,7°C
77,4%
79,6%
81,7%
83,6%
30
2,3l/min
2,1l/min
2l/min
1,8l/min
1h 50'
2h
2h 5'
2h 20'
20°C
21,2°C
22,3°C
23,5°C
76,6%
79%
82,1%
83,3%
35
2,6l/min
2,4l/min
2,2l/min
2l/min
1h 35'
1h 45'
1h 55'
23,2°C
24,7°C
26°C
27,3°C
75,9%
78,5%
80,9%
40
2,9l/min
2,7l/min
2,5l/min
2,3l/min
1h 25'
1h 30'
1h 40'
1h 50'
26,5°C
28,1°C
29,7°C
31,1°C
75,7%
78,1%
80,5%
82,7%
45
3,3l/min
3l/min
2,7l/min
2,5l/min
1h 15'
1h 20'
1h 30'
1h 40'
29,7°C
31,6°C
33,3°C
34,9°C
74,7%
77,7%
80,3%
82,5%
50
3,6l/min
3,3l/min
3l/min
2,7l/min
1h 10'
1h 15'
1h 20'
1h 30'
Data calculated for the model PERIcooler 31 under full regime.
24
the following parameters can be
30
35
40
45
50
20,7°C
21,5°C
22,4°C
23,2°C
85,3%
86,9%
88,4%
89,8%
1,7l/min
1,5l/min
1,4l/min
1,2l/min
2h 30'
2h 45'
2h 55'
3h 25'
24,6°C
25,6°C
26,5°C
27,4°C
85,1%
86,8%
88,3%
89,7%
1,9l/min
1,7l/min
1,5l/min
1,4l/min
2h 5'
2h 10'
2h 30'
2h 45'
2h 55'
28,5°C
29,6°C
30,7°C
31,7°C
83%
84,9%
86,6%
88,2%
89,6%
2,1l/min
1,9l/min
1,7l/min
1,5l/min
2h
2h 10'
2h 30
2h 45'
32,4°C
33,7°C
34,9°C
36°C
84,7%
86,5%
88,1%
89,6%
2,3l/min
2l/min
1,8l/min
1,6l/min
1h 50'
2h 5'
2h 20'
2h 35'
36,4°C
37,8°C
39,2°C
40,4°C
84,6%
86,4%
88%
89,5%
2,5l/min
2,2l/min
2l/min
1,8l/min
1h 40'
1h 55'
2h 5'
2h 20'
4.4 CONSTRUCTION FEATURES
The PERIcooler evaporator coolers consist of three panels
PERIcool
, a self-supporting galvanized body, a hydraulic system
®
completed with a plastic container and a fan group.
The features of the basic parts are listed below:
• The PERIcool
supporting container and are made of impregnated sheets which
are then bent in the form of a wave to optimize the distribution and
the contact between air and water. Special distribution panels are
provided to ensure better and effective water distribution. The
dimensions and the wetting angles are optimized for maximum
functionality and wetting of the evaporation panel. The chassis
has been studied to allow servicing of the machine and the fast
replacement of the PERIcool
In particular, the basic features are:
• The paper: valuable Kraft paper with high density (100g/m
based on pure long grain cellulose, characterized by high
resistance to mechanical stress. This type of paper, being
less loaded with "dust", avoids the release of deposits that
can load the distribution system.
• The resin: based on melamine, thermosetting, which
guarantees, in addition to a good structural rigidity, the
prevention of "decomposition" and formation of mold. Does
not contain phenol and is therefore free of smell and does
not irritate mucous membranes.
• The glue: special vinyl acetate type adhesive suitable for
moisture resistant gluing. Meets the requirements set by EN
204/205 - D3 and EN 204/205 - D4.
• The self-supporting body:
metal sheets guarantees extreme rigidity and strength of the
machine. These features guarantee the requirement in various
installation types.
• The hydraulic system: consists of a water recycling pump, a
filter, pipes for proper distribution to the evaporation panel and
a collection tank of about 290 liters. The latter guarantees a
few hours of autonomy even without the connection to a water
source (see table of performance data).
• The fan group: consists of a spiral fan with six blades directly
coupled to the engine.
55
• The control and safety system (only when purchased together
with the electrical panel:
24°C
switch, an automated locking system of the pump in case of lack
91,1%
of water and the possibility to manage the cooler automatically or
1,1l/min
manually, according to the options installed.
3h 50'
28,3°C
91,1%
4.5 THE ENGINE INTEGRATED IN THE MACHINE
1,2l/min
3h 25'
The electric motor installed in the machine provides the impeller
with kinetic energy.
32,7°C
91%
NOTE
1,3l/min
3h 10'
For specific information on extraordinary maintenance of the
electric motor and its spare parts, please contact your area
37,1°C
provider or your own commercial contractor.
91%
1,4l/min
2h 55'
4.6 LIMITS OF THE MACHINE USE
41,6°C
90,9%
The machine is designed to work under the following conditions:
1,6l/min
2h 35'
• Ambient temperature between 5°C and +40°C.
• Max. relative humidity 80% at the max. temperature +40 °C.
• Maximum altitude 1000 m.
4.7 NOISE EMISSIONS
The noise level of the evaporation cooler, if used as indicated in this
Manual, does not exceed 66 dB measured at a distance of 7 meters
evaporation panels: are placed in a special self-
®
panels contained within t.
®
made of magnesium galvanized
is managed by a magneto-thermal
PERIcooler_U171200
),
2
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