Daikin EBLA09D V3 Series Installer's Reference Manual page 169

EBLA09~16D + EDLA09~16D
Daikin Altherma 3 M
4P620241-1B – 2022.05
2 Select one of the following options:
▪ Heating: Only heating mode
▪ Cooling: Only cooling mode
▪ Automatic: The operation mode changes automatically
between heating and cooling based on the outdoor
temperature. Restricted per month according to the
Operation mode schedule [4.2].
When Automatic is selected, the unit switches its operation mode, based on the
Operation mode schedule [4.2]. In this schedule, the end user indicates which
operation is allowed for each month.
To restrict automatic changeover according to a schedule
Conditions: You set the space operation mode to Automatic.
1 Go to [4.2]: Space heating/cooling > Operation mode
schedule.
2 Select a month.
3 For each month, select an option:
▪ Reversible: Not restricted
▪ Heating only: Restricted
▪ Cooling only: Restricted
4 Confirm the changes.
Example: Changeover restrictions
During cold season.
Example: October, November, December, January,
February and March.
During warm season.
Example: June, July and August.
In-between.
Example: April, May and September.
The unit determines its operation mode by the outdoor temperature if:
▪ Operation mode=Automatic, and
▪ Operation mode schedule=Reversible.
The unit determines its operation mode in such a way that it will always stay within
the following operation ranges:
▪
Space heating off temperature
▪ Space cooling off temperature
The outdoor temperature is time-averaged. If the outdoor temperature drops, the
operation mode will switch to heating and vice versa.
If the outdoor temperature is between the Space heating off temperature
and the Space cooling off temperature, the operation mode remains
unchanged.
When
11 Configuration
|
Restriction
Heating only
Cooling only
Reversible
Installer reference guide
169