Daikin ETVZ16S18EA9W, User Reference Manual

Page: 49 / 68

5 | Operation
User reference guide
49
ET9W
Daikin Altherma 3 H HT F
4P644741-1 – 2021.02
5.10.2 Using quiet mode
About quiet mode
You can use quiet mode to decrease the sound of the outdoor unit. However, this
also decreases the heating/cooling capacity of the system. There are multiple quiet
mode levels.
The installer can:
▪ Completely deactivate quiet mode
▪ Manually activate a quiet mode level
▪ Enable the user to program a quiet mode schedule
If enabled by the installer, the user can program a quiet mode schedule.
INFORMATION
If the outdoor temperature is below zero, we recommend to NOT use the most quiet
level.
To check if quiet mode is active
If is displayed on the home screen, quiet mode is active.
To program a quiet mode schedule
Restriction: Only possible if enabled by the installer.
1 Go to [7.4.2]: User settings > Quiet > Schedule .
2 Program the schedule.
Possible actions : You can use the following system-defined
preset values:
▪ Quiet
▪
More quiet
▪ Most quiet
For more information about scheduling, see "5.8.2 Using and
programming schedules" [
4
34].
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5.10.3 Using holiday mode
About holiday mode
During your holiday, you can use the holiday mode to deviate from your normal
schedules without having to change them. While holiday mode is active, space
heating/cooling operation and domestic hot water operation will be turned off.
Room frost protection and anti-legionella operation will remain active.
Typical workflow
Using holiday mode typically consists of the following stages:
1 Setting the starting date and ending date of your holiday.
2 Activating the holiday mode.
To check if holiday mode is activated and/or running
If is displayed on the home screen, holiday mode is active.