3
1. Replace outdoor unit
2. Replace BS-boxes (in case of H/R)
3. Replace indoor units (check with your local dealer if needed)
4. The system will automatically clean the piping & charge the correct amount of R-410A refrigerant
Features of VRV-Q
Fast Installation
It is not necessary to remove the existing piping and even the
indoor units can remain (depending on type of indoor unit).
This means work only has to be carried out at the outdoor unit
and not inside your building in case of a heat pump installation.
The outdoor unit automatically charges the refrigerant and cleans
the refrigerant piping. This unique Daikin feature makes the
installation time even shorter.
No Limitations on System History
As a result of the combined automatic charging and refrigerant pipe
cleaning function, it is possible to ensure a clean piping network,
even when a compressor breakdown has previously occurred.
In this way all correct installed R-22 and R-407C VRV and competitor
VRF systems can be replaced.
Limited and Planned-Downtime
As the refrigerant piping can be maintained the installation is
less intrusive and less time consuming than for a completely new
system. Moreover, downtime can be carefully planned: whereas
if a problem occurs when not enough reclaimed R-22 is available,
a long and unplanned downtime can be the result.
Limited and Phased Investment Cost
It is possible to spread the various stages of replacement over
a certain period of time because the indoor units can remain in
most cases. The air conditioning replacement therefore, can be
incorporated in the general refurbishment schedule of the building
and the investment cost can be spread. A further reduction in
installation cost can be achieved by maintaining the old refrigerant
copper pipe work.
High Eciency
Upgrading an old R-22 system to a Replacement VRV system will
result in increased system eciency. Eciency gains of more
than 70% in cooling can be realized, by virtue of technological
developments in current heat pump technology such as variable
refrigerant temperature and the more ecient R-410A refrigerant.
Increased energy eciency equals lower energy consumption,
subsequent lower energy costs and lower CO
2
emissions.
R-22
1
R-407C
2
R-410A
3
R-22
1
R-407C
2
R-410A
3
1
R-22: RSXY-KA7
2
R-407C: RSXYP-L7
3
R-410A: RXYQQ-T
Energy use of a 10HP system in cooling
Energy consumptionEnergy consumption
Energy use of a 10HP system in heating
COP/EER comparison
System (HP) 8 10
EER COP EER COP
RXYQQ-T(R-410A) 4.30 4.54 3.84 4.45
RSXYP-L7(R-407C) 3.10 3.14 3.10 3.10
RSXY-KA7(R-22) 2.37 2.95 2.37 3.00
48%
81%
less consumption in heating mode
less consumption in cooling mode
(17 pages)
(14 pages)
(42 pages)
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