Daikin EWWQC10AJYNN/A [3/8] Large flexibility

Daikin EWWQC12AJYNN/A [3/8] Large flexibility
EWWQ-AJYnn(A)
03
Condenser
45°C
40°C
20% of CC + PI
Comp
Partial Recovery
7°C 12°C
OPPR
larGe FleXIBIlItY
LARgE fLExIbILITY
In many applications there often exists a simultaneous cooling
and heating demand requirement alongside one another.
To benefit from this Daikin offers the full range of R-410A
EWWQ-AJYNN(A) chillers with the option of partial heat
recovery. This option further increases the application flexibility
and extends possibilities in the hotel and leisure industry as
well as in the industrial and process sectors.
Heat recovery
Depending on the heating requirement partial heat recovery
(OPPR) is available as an option.
OPPR – Partial recovery
A shell and tube heat exchanger is mounted in series
between the compressor and air-cooled condenser as a
desuperheater. The sensible heat from the hot discharge
gas will be recovered, while the latent heat exchange will
occur in the air-cooled condenser. The unit’s efficiency
is maintained as condensing pressure can be reduced
due to the air-cooled condenser becoming oversized.
Extremely high COPs can be realised in heat recovery mode.
Flexibility
Standard fitted with victaulic joints on evaporator:
Victualic joints absorb vibrations, reduce operating sound
and thermal deflection and simplify chiller piping and
installation
They can accommodate angles and guarantee stress
free, leak tight water piping connection.
Efficiency
High efficiency /A units units are equipped with oversized
evaporators and condensers to achieve increased EER & ESEER-
rates (A 12% increase in efficiency is achieved).
Heat recovery units energetically recover useful heat from
the cooling cycle that would otherwise be rejected to the
outside. The heat recovery unit aims to achieve an optimum
balance between cooling and heat recovery to maximize the
unit efficiency and offer savings in hot water production.
Sound
The compressor design allows a constant gas flow,
eliminating gas pulsations for quiet operation.
The compressor oil injection results in a significant
mechanical operational sound level reduction.
Gas compressor discharge chambers are designed
to act as attenuators, based on the harmonic wave
principle with destructive interference.

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