Daikin VRVIII Spécifications télécharger pdf (Page 6)

Energy efficiency and quiet operation

Outdoor units use Daikin’s unique scroll compressor for energy efficiency

and quiet operation.

MAIN FEATURES

High COP during both cooling and

heating operations

Quiet operation provides

luxurious comfort

Quietness is yet another important feature

of Daikin’s VRVIII-S system. To reduce

noise and realise comfortable operation,

latest technologies and features are

applied to the outdoor units.

One of the top features of the VRVIII-S is

its energy efficiency. It achieves high COP

during cooling and heating operations by

utilising Daikin’s unique scroll compressor.

Above values are based on the following nominal conditions:

• 2 built-in units are connected (4 class (11.2 kW): FXSYQ50M x 2; 5 class

(14 kW): FXSYQ63M x 2; and 6 class (15.5 kW): FXSYQ63M + FXSYQ80M.)

•

Cooling: Indoor temp. of 27°CDB, 19.0°CWB, and outdoor temp. of 35.0°CDB.

•

Heating: Indoor temp. of 20°CDB, and outdoor temp. of 7°CDB, 6°CWB.

VRVII-S

Previous model

RXYMQ-MV4A

VRVII-S

Previous model

RXYMQ-MV4A

Lower operation sound

is achieved!

Cooling

Heating

2.94

3.62

2.81

3.45

3.73

3.58

3.03

2.82

Cooling

4 class (11.2 kW)

5 class (14 kW)

6 class (15.5 kW)

5 class (14 kW)

3.15

3.07

4 class (11.2 kW)

6 class (15.5 kW)

5 class (14 kW)

3.37

3.27

4 class (11.2 kW)

6 class (15.5 kW)

Heating

4 class (11.2 kW)

5 class (14 kW)

6 class (15.5 kW)

Nighttime quiet operation function

Set on the outdoor PCB. Time of maximum temperature is

memorised. The low operating mode will initiate 8 hours*

after

the peak temperature in the daytime, and normal operation will

resume 10 hours*

after that. The operation sound level for the

night mode can be selected from 47 dB(A) (Step 1), 44 dB(A)

(Step 2) and 41 dB(A) (Step 3).

Automatic 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.

Note:

• This function is available in setting at site.

• The relationship of outdoor temperature (load) and time shown in the

graph is just an example.

Peak in outdoor temperature

Capacity %

8 hrs 10 hrs

Operation sound dB(A)

8:00 12:00 16:00 20:00 0:00 4:00 8:00

100

Load %

Night mode endsNight mode starts Night mode endsNight mode starts

Night Mode

(Initial setting)(Initial setting)

Step 1 max. - 3 dB(A)

( 4 class/11.2 kW)

Step 2 max. - 6 dB(A)

( 4 class/11.2 kW)

Step 3 max. - 9 dB(A)

( 4 class/11.2 kW)

Step 1: 47 dB(A)

Step 2: 44 dB(A)

Step 3: 41 dB(A)

Operation sound level selectable

from 3 steps for the night mode

The capacity reduction rate differs depending on the operation sound level

step selected.

-1dB(A)

1 dB(A) reduced

each model!

High COP

achieved

in all ranges!

1 2 3 4 5 6 7 8 9 10 11 ... 39 40

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Daikin VRVIII Spécifications Page 6

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