Airwell AQCL 120 [2/20] Aqu logic centrifugal fan air cooled water chillers
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Airwell AQCL 120 [2/20] Aqu logic centrifugal fan air cooled water chillers

Airwell AQCL 120 [2/20] Aqu logic centrifugal fan air cooled water chillers
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Aqu@Logic Centrifugal Fan Air Cooled Water Chillers
The new range of AQCL air cooled water chillers with centrifugal
fans is composed of 11 models covering a nominal cooling
capacity range from 25 to 125 kW.
AQCL represents a new generation of innovative air cooled water
chillers, integrating components using the very latest technological
advances.
These components provide AQCL water chillers with considerable
advantages in terms of compact design and improved efficiency
and reliability.
All AQCL 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.
Features and Benefits
A maximum of technology
The new generation of AQCL air cooled water chillers integrates
high technology components :
- Scroll compressors.
- Brazed stainless steel plate heat exchangers.
- Microprocessor based ILTC control.
- HFC 407C refrigerant.
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 screws, 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.
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 (2.5 l/kW).
- Continuously monitoring and managing all the machine’s
operating parameters.
General Specifications
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
removing the fixing 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.

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