8
Constructive configurations
GENERAL FEATURES
Base version - VB
Each model can be supplied in different constructive
configurations in order to satisfy the application requirements
that can be necessary for the plants. The various versions,
obtained adding to the base version some modules, are always
supplied already assembled, wired and tested in the factory.
All the versions can be arranged with standard air flow position
(frontal for the models of frame 1 and 2 and upwards for the
models of frame 3) or with downwards air flow position.
The dotted components are accessories.
It only allows to operate with all return air.
It contains the standard filtering section and the air-
refrigerant exchange coil that allows the heating, cooling and
dehumidification processes to be performed.
It is possible to add a further heating section (hot water coil or
electrical heater coil) and the droplets separator.
Instead of such heating section it is possible to add a gas
heating module, placed between the filtering section and the
air-refrigerant exchange coil.
1 damper version - V1
It allows to operate with a percentage of outdoor fresh air,
adjustable manually setting the damper placed on the adding
module. The outdoor air inlet is equipped with a rain protection
cap and a metal safety grille. The expulsion from the conditioned
ambient of an air flow rate equal to the outdoor fresh air flow
rate must be realized independently from the unit by means of
overpressure openings or other extraction devices.
In the adding module can be placed various type of special
filters in order to complete the standard filtering section.
Also in this version it is possible to add a further heating
section (hot water coil or electrical heater coil) and the droplets
separator.
Instead of such heating section it is possible to add a gas
heating module, placed between the filtering section and the
air-refrigerant exchange coil.
Downstream the internal fans, air flow silencers can be installed
to reduce the noise transmitted to the conditioned ambients
through the air ducts (only for the models of frame 1 and 2).
RETURN AIR AIR FLOW
AIR FLOWRETURN AIR
OUTDOOR AIR
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