Daikin EWYD6504ZXLA2 [3/8] Full inverter technology the best choice for every application
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Daikin EWYD6504ZXLA2 [3/8] Full inverter technology the best choice for every application

Daikin EWYD5504ZXLA2 [3/8] Full inverter technology the best choice for every application
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Why choose
4Z multipurpose series?
Full inverter technology:
the best choice for every application
VVR (Variable Volume Ratio)
The operating conditions of a chiller are subjected
to sensible changes due to the variation of ambient
temperature and load request from the plant.
Screw compressors increase the pressure of the
refrigerant by forcing it into a progressive smaller
volume, from the suction to the discharge port.
Once that the geometry of the compressor is defined
the volume ratio is also defined.
Daikin compressors can modify their own geometry
thanks to variable volume ratio (VVR).
The volume ratio will change by moving the sliding
valves. VVR changes the point at which the gas leaves
the compressor, and therefore changes the pressures
at discharge which will be optimal at any condition.
Max.
compression
ratio
Min.
compression
ratio
New Daikin High Eciency
Inverter fans
The new high efficiency fan developed by DAIKIN
with optimized geometry ensures the best ratio
between airflow and power input. The inverter
control ensures the optimum airflow in every
condition
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Top class efficiency
Total Energy Ratio up to 8.8
Suction port
Aluminium
cooling plate
Variable Volume Ratio (VVR)
Discharge port
Economizer
& Liquid
injection ports
Capacitors
Inverter
Liquid inlet
(VFD cooling)
Daikin single screw compressor with
integrated inverter and Variable Volume
Ratio Technology
The inverter integrated in the compressor is refrigerant
cooled:
› Safe and robust cooling system, totally independent
from outdoor ambient conditions and air quality
› Suitable even for aggressive installation such as
industrial or desert application

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