Daikin RXQ10PAY1 [8/36] Main features
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Daikin RXQ10PAY1 [8/36] Main features

Daikin RXYQ14PAYL [8/36] Main features
A sense of responsibility Enhanced comfort
Main Features
1413
Outdoor units designed for low-sound operationHigh COPs
It has become essential for air conditioning manufacturers to develop systems that provide high
energy savings. We at Daikin have made great efforts in this field, and the VRVIII delivers highly
efficient performance, contributing to high energy savings.
Outdoor units created with cutting-edge technologies provide quiet operation to
increase users’ comfort.
Efficient compressor
High-performance, low-sound scroll compressor operates at a
faster rate, reducing start-up time. This helps the unit to bring the
room temperature up to the set level quickly.
Nighttime quiet operation function
Compliant with the RoHS Directive*
We have been making efforts to facilitate the transition to using RoHS Directive*-compliant
materials for system parts.
Double backup operation in compressors and units
If one of the multiple compressors in
a single outdoor unit system
malfunctions, the other compressors
take over emergency operation.
*1
If one of the unit in a multiple
outdoor system malfunctions, the
other outdoor units provide
emergency operation
*2
until
repairs can be made.
Less possibility of refrigerant leakage
Conventionally, shutoff valve connections are flanged or flared. In the VRVIII system, the connections for all
outdoor units are brazed, meaning less possibility of refrigerant leakage.
* RoHS Directive
The RoHS (Restriction of Hazardous Substances (in electrical and electronic equipment)) Directive is an environmental
directive enacted to regulate the use of designated chemical substances (lead, cadmium, hexavalent chromium, mercury,
polybrominated biphenyls and polybrominated diphenylether) in electrical equipment. All household products subject to this
Directive and sold in Europe from July 1, 2006 are legally bound to comply with the RoHS Directive.
Set on the outdoor PCB. Time of maximum
temperature is memorised. The low
operating mode will initiate 8 hours
*1
after the
peak temperature in the daytime, and normal
operation will resume 10 hours
*2
after that.
The operation sound level for the night mode
can be selected from 55 dB(A) (Step 1),
50 dB(A) (Step 2) and 45 dB(A) (Step 3).
(For a single outdoor unit.)
Automatic mode
Operation sound level selectable from 3 steps for the night mode
Mode 1.
Automatic mode
Mode 1.
Starting time and ending time can be input.
(An external control adaptor for outdoor unit,
DTA104A53/61/62, and a locally obtained
timer are necessary.)
Manual mode
Mode 2.
Combinations of modes 1 and 2 can be used
depending on your needs.
Combined mode
Mode 3.
*1. Initial setting. Can be selected from 6, 8 and 10 hours.
*2. Initial setting. Can be selected from 8, 9 and 10 hours.
• This function is available in setting at site.
• The relationship of outdoor temperature (load) and time shown in the
graph is just an example.
We have reached a higher level of
efficiency, thanks to advanced features
such as the heat exchanger, the grille
and the dual DC fans.
Achieving a high COP
• Cooling operating conditions: Indoor temp. of 27
°C
DB,
19.0
°C
WB, and outdoor temp. of 35
°C
DB.
• Heating operating conditions: Indoor temp. of 20
°C
DB,
and outdoor temp. of 7
°C
DB, 6
°C
WB.
*1. Possible only with single outdoor unit systems that are equipped with two or more compressors. Local setting of the outdoor unit is necessary.
*2. For systems composed of two or more outdoor units
1
Cooling operation (16 HP) Heating operation (16 HP)
VRVII
MA series
2
3
4
3.17
4.27
3.88
4.35
Comparison of VRVII and VRVIII
Normal types
(Space saving types)
High-COP types
(Energy saving types)
52%
*
increase
!
* Compared to VRVII MA series
2.81
3.79
The capacity reduction rate differs depending on the operation sound level step selected.
Notes:
If one compressor
malfunctions...
Emergency operation occurs.
*1
Emergency operation occurs.
*2
If one outdoor unit
malfunctions...
Emergency operation
can be easily started
by remote control of
the indoor unit.
*2
Peak in outdoor temperature (For 10 HP outdoor unit)
Capacity %
8 hrs 10 hrs
Operation sound dB(A)
50
8:00 12:00 16:00 20:00 0:00 4:00 8:00
50
100
58
55
0
Load %
Night mode
Night mode
ends
ends
Night mode
Night mode
starts
starts
Night mode endsNight mode starts
Night Mode
45
(Initial setting)(Initial setting)
Step 2 max. - 8 dB(A)
Step 1 max. - 3 dB(A)
Step 3 max. - 13 dB(A)
Step 2: 50 dB(A)
Step 1: 55 dB(A)
Step 3: 45 dB(A)

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