4 Operation
Operation manual
8
EA23DA6V(7)+9W
Daikin Altherma 3 H F
4P556074-1A – 2021.09
NOTICE
Water pipe freeze prevention.
Even if you turn OFF
space heating/cooling operation ([C.2]:
Operation
>
Space heating/cooling
), water pipe freeze prevention –
if enabled– will remain active.
1
Go to [C.2]:
Operation
>
Space heating/cooling
.
Operation
Space heating/cooling
Tank
Off
On
On
Room
C.2
2
Set operation to
On
or
Off
.
Tank heating operation
NOTICE
Disinfection mode
. Even if you turn OFF tank heating
operation ([C.3]:
Operation
>
Tank
), disinfection mode will
remain active. However, if you turn it OFF while
disinfection is running, an AH error occurs.
1
Go to [C.3]:
Operation
>
Tank
.
Operation
Tank
Off
On
Space heating/cooling
C.3
2
Set operation to
On
or
Off
.
4.4
Space heating/cooling control
4.4.1
Setting the space operation mode
About space operation modes
This unit is a heating only model. The system can heat up a space,
but NOT cool down a space.
However, if the kit EKHVCONV* is installed, the system can cool
down a space, and you have to tell the system which space
operation mode to use: heating or cooling.
To tell the system which space operation to use, you can:
You can…
Location
Check which space operation mode is
currently used.
Home screen
Set the space operation mode permanently. Main menu
Restrict automatic changeover according to
a monthly schedule.
About space operation modes
Your unit can be a heating or a heating/cooling model:
▪ If your unit is a heating model, it can heat up a space.
▪ If your unit is a heating/cooling model, it can both heat up and cool
down a space. You have to tell the system which operation mode
to use.
To tell the system which space operation to use, you can:
You can…
Location
Check which space operation mode is
currently used.
Home screen
Set the space operation mode permanently. Main menu
Restrict automatic changeover according to
a monthly schedule.
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].
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.
4.4.2
To change the desired room temperature
During room temperature control, you can use the room temperature
setpoint screen to read out and adjust the desired room temperature.
1
Go to [1]:
Room
.
Room
1
2
Adjust the desired room temperature.
+
–
21
°C
1
a
b
Room
a
Actual room temperature
b
Desired room temperature
If scheduling is on after changing the desired room temperature
▪ The temperature will stay the same as long as there is no
scheduled action.
▪ The desired room temperature will return to its scheduled value
whenever a scheduled action occurs.
You can avoid scheduled behaviour by (temporarily) turning off
scheduling.
To turn off room temperature scheduling
1
Go to [1.1]:
Room
>
Schedule
.
2
Select
No
.
