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Airwell AQL 90 Технический паспорт устройства онлайн [2/24] 342424
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Specifications
The Aqu@Logic air cooled water chillers comprises 10 models
covering a nominal cooling capacity range of from 42 to 131 kW.
Aqu@Logic represents a new generation of innovative water
chillers, integrating components using the very latest technological
advances.
These components provide Aqu@Logic air cooled water chillers with
considerable advantages in terms of compact design and improved
efficiency and reliability.
All Aqu@Logic air cooled water chillers are equipped with
ILTC (Intelligent Liquid Technology Chiller) control providing
optimised control across the unit's entire operating range.
As standard equipment, each unit has two compressors, fitted in
tandem, for adapting to partial system loads.
Pressure and temperature sensors provide data to the electronic
control system for taking account of the prevailing operating
parameters in order to optimise system performance.
This intelligent control system enables water temperature to be
maintained within the required range, whilst only using a small
volume of water (2.5 l/kW) and thus eliminating, for the majority
of comfort air conditioning applications, the need for a buffer water
tank.
A maximum of technology
The new generation of Aqu@Logic air cooled water chillers
integrates high technology components :
Scroll compressors.
Brazed stainless steel plate heat exchangers.
High efficiency axial fans with external rotors.
Microprocessor based ILTC control.
HFC 407C refrigerant fluid.
Quick and easy installation at minimal cost
Compact units taking up the strict minimum of ground surface
area. for easy installation.
"Plug and Play" design with an integrated hydraulic module for
minimising installation costs.
Perfect accessibility : easy access to all components, thanks to
panels removable by a quarter turn key or screw, thus significantly
reducing unit maintenance times.
Increased performance
Optimal efficiency, thanks to the use of Scroll compressors with
a high Coefficient Of Performance (COP), fitted in tandem on all
models in the range.
Guaranteed for operating at outdoor temperatures between
-10 °C and +46 °C inclusive, thanks to the automatic condensing
pressure management system supplied as standard equipment
on all models in the range.
Silent running, thanks to the dual-speed fan, selected for being
one of the quietest fans currently available on the market, and
thanks to the use of particularly quiet, low vibration, Scroll
compressors.
Built to last
ILTC control automatically manages the balancing of the
compressors’ running times, thus enabling their service life to be
extended.
Sealed refrigerant circuit : all the refrigerant components and pipe
work are brazed, thus eliminating any risks of leakage. Pressure
transducers replace the HP and LP pressostats, along with their
capillary tubes (principal source of leaks).
Energy savings all year round
Thanks to ILTC control :
Providing intelligent management of the compressors' running
times.
In the majority of cases. obviating the need for a buffer tank for
comfort air conditioning applications.
Continuously monitoring and managing all the machine's
operating parameters.
Cabinet and structure
Made of galvanised steel panels coated with oven-baked epoxy
paint. Colour : RAL 9001.
For access to all components, the panels are removable by just
releasing quarter turn locks or screws.
Compressors
Hermetically sealed, high output Scroll type compressors with a
high Coefficient Of Performance (COP).
All models in the range equipped with compressors fitted in
tandem for reducing both starting current draw and power
absorbed under partial load conditions.
Excellent acoustic performance with extremely quiet operation
and minimal vibration.
Robust and reliable Scroll compressor technology : Few moving
parts (only 3), high tolerance to liquid pressure shocks, low starting
torque, protection against excessive discharge temperatures.
Compressor motor cooled by intake gasses and equipped with
automatic reset internal high temperature protection.
All compressors are mounted on anti-vibration pads in order to
minimise noise and vibration transmission. Furthermore, they are
supplied with soundproof jackets.
Evaporator
Direct expansion type, made of brazed stainless steel plates.
The evaporator is surrounded by an electrical heating resistance
and insulated with cellular polyurethane foam to provide anti-
freeze protection down to an ambient temperature of - 20 °C.
Air condenser
Comprising a heat exchanger coil equipped with aluminium fins
mechanically crimped on to copper tubes.
Fan motor assembly
Helicoidal type fans with direct drive by a dual speed motor
(Protection Index : IP 54), equipped with automatic reset internal
high temperature protection.
One 800 mm diameter vertical flow fan on models 40 to 80 and
two 800 mm diameter vertical flow fans on models 90 to 130.
Each fan is equipped with a fan blade protection grille.

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