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SysAer
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General
The new SysAer have been designed and optimized
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single refrigerant circuit type.
They are available in cooling only and reversible
versions.
The range consists in
10 sizes (SR55, SR65, SR80,
SR95, SR105, SR120, SR140, SR160, SR190 and
210) and covers a nominal cooling capacity range
from
49 to 216 kW and a nominal heating capacity
range from 49 to 211 kW.
Toutes les unités sont constituées de deux circuits
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ou bi-compresseurs scroll montés en tandem pour
s’adapter constamment aux charges partielles du
système.
The general operation status of the machine is
continuously under the control of an
IATC controller.
Cabinet and structure
The cabinet and structure of the unit are of heavy duty
galvanized steel. All galvanized steel components are
individually painted by a special painting process
before the assembly of the unit.
This painting system performs a homogeneous
protection to the corrosion. The painting is a polyester
powder based type, coloured in
RAL 7040.
The units SysAer are equipped with double skin
panels as a standard
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entering into the building and harmful build-up
of bacteria or contaminants. It also ensure better
thermal insulation
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² Conductivity : 0.035W/(m.K) at 20°C
² Thermal resistance : 0.714 m².K/W
Control and maintenance operations are facilitated
thanks to all of the doors and access panels. Opening
and closing are done with a simple triangular key.
Extractible drain pan under indoor coil, to allow for
hygienic cleaning.
Compressors
Each unit is equipped with two scroll
mono-compressors or four scroll compressorsʾWWHG
on a rail and assembled together to form tandem
compressors.
The compressors are then mounted on rubber pads in
order to eliminate noise and vibration transmissions.
The compressor motors have a direct start-up. Each
motor is cooled by the refrigerant gas and is equipped
with an overload protection.
Crankcase heater on each compressor to eliminate
refrigerant migration and allow for safe start up in
winter.
A
phase sequence monitor is supplied as standard.
Outdoor coils
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seamless copper tubes mechanically expanded
LQWRDOXPLQLXPʾQV7KH ʾQVRI SysAer cooling and
heating versions coils are made of aluminium with
hydrophylic blue coating to facilitate water droplets
drain in the event of defrosting.
Outdoor coils are largely dimensioned in order to
optimize performance and defrosting cycles.
Outdoor coils designed for low air resistance to reduce
axial fan power consumption and noise level.
Outdoor coils are equipped with a protective grille to
prevent shocks.
Each
SysAer has axial fan, with 2 speeds.
The fan motor has IP54 grade and is equipped with a
thermal overload protection.
A pressostatic type fan speed controller can be
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operate in cooling mode at low ambient temperatures
down to -10 °C minimum, because it regulates the fan
speed in order to maintain the constant condensing
temperature.
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