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4 Operation
Space heating/cooling operation
NOTICE
Room frost protection. Even if you turn OFF space
heating/cooling operation ([C.2]: Operation > Space
heating/cooling), room frost protection operation –if
enabled– can still activate. However, for leaving water
temperature control and external room thermostat control,
the protection is NOT guaranteed.
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.
C.2
Operation
Room
On
Space heating/cooling
On
Tank
Off
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.
C.3
Operation
Space heating/cooling
On
Tank
Off
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
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...
Check which space operation mode is
currently used.
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
Operation manual
8
2 Select one of the following options:
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
2 Select a month.
3 For each month, select an option:
4 Confirm the changes.
4.4.2
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.
2 Adjust the 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.
Location
To turn off room temperature scheduling
Home screen
1 Go to [1.1]: Room > Schedule.
2 Select No.
▪ Heating: Only heating mode
▪ Cooling: Only cooling mode
▪ Automatic:
The
operation
automatically between heating and cooling based
on the outdoor temperature. Restricted per month
according to the Operation
[4.2].
mode schedule.
▪ Reversible: Not restricted
▪ Heating only: Restricted
▪ Cooling only: Restricted
To change the desired room temperature
1
Room
a
b
1
+
21
°C
–
Room
a Actual room temperature
b Desired room temperature
EABH/X16D + EAVH/X16S(U)18+23D
mode
changes
mode
schedule
Daikin Altherma 3 H F+W
4P644480-1C – 2022.03
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