Nighttime quiet operation function

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

Model 1. Automatic mode

Set on the outdoor PCB. 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.

• * This function is available in setting at site.
• * The relationship of outdoor temperature (load) and time shown in the graph is just an example.

Model 2. Customised mode

Starting time and ending time can be input.
(External control adaptor for outdoor unit, DTA104A61 or DTA104A62, and a subsequently obtained timer are necessary.)

• *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.