Low operation sound

Quietness is yet another important feature of Daikin's VRV II-S system. To reduce noise and provide comfortable operation, latest technologies and features are applied to the outdoor units.

Nighttime quiet operation function

2 modes^*1 with low operating sound level at night.

Mode 1. Automatic mode

Time of maximum temperature is memorised. The low operating mode will become active 8 hours^*2 after the peak temperature in the daytime, and operation will return to normal 10 hours^*3 after that.

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.

Mode 2. Customised mode

Starting time and ending time can be input.^*4

• *1. Determine which mode to select depending on the climatic characteristics of each country.
• *2. Initial setting. Can be selected from 6, 8 and 10 hours.
• *3. Initial setting. Can be selected from 8, 9 and 10 hours.
• *4. External control adaptor for outdoor unit, DTA104A61 or DTA104A62, and a subsequently obtained timer are necessary.