Daikin Altherma 3 H MT F Installer's Reference Manual page 158

10 | Configuration
Installer reference guide
158
To set the space operation mode
1 Go to [4.1]: Space heating/cooling > Operation mode
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].
Automatic heating/cooling changeover is only applicable when EKHVCONV* is
installed.
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.
When Restriction
Heating only
Cooling only
Reversible
EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03