4 Operation
User reference guide
16
EGSAH/X06+10(U)DA9W(G)
Daikin Altherma 3 GEO
4P569819-1A – 2019.10
4.6
Space heating/cooling control
4.6.1
About space heating/cooling control
Controlling space heating/cooling typically consists of the following
stages:
1
Setting the space operation mode
2
Controlling the temperature
Depending on the system layout and installer configuration, you use
a different temperature control:
▪ Room thermostat control
▪ Leaving water temperature control
▪ External room thermostat control
4.6.2
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 determine if a heating/cooling heat pump model is installed
1
Go to [4]:
Space heating/cooling
.
2
Check if [4.1]
Operation mode
is listed and editable.
If so, a heating/cooling heat pump model is installed.
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 check which space operation mode is currently used
The space operation mode is displayed on the home screen:
▪ When the unit is in heating mode, the
icon is shown.
▪ When the unit is in cooling mode, the
icon is shown.
The status indicator shows if the unit is currently in operation:
▪ When the unit is not in operation, the status indicator will show a
blue pulsation with an interval of approximately 5 seconds.
▪ While the unit is in operation, the status indicator will light up blue
constantly.
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 based on the outdoor temperature.
Restricted according to the operation mode
schedule.
Automatic heating/cooling changeover is NOT applicable for heating
only models. When
Automatic
is selected, the changing of the
operation mode is based on 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.
Example: Changeover restrictions
When
Restriction
During cold season.
Example:
October, November,
December, January, February and March.
Heating only
During warm season.
Example:
June, July and August.
Cooling only
In-between.
Example:
April, May and September.
Heating/Cooling
If both the
Operation mode
and the
Operation mode schedule
are set to
Automatic
, the operation mode will be determined by the
outdoor temperature.
4.6.3
Determining which temperature control
you are using
To determine which temperature control you are using
(method 1)
Check the installer settings table filled in by the installer.
To determine which temperature control you are
using (method 2)
You can see on the home screen which temperature control you are
using.
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a2
a1
b
a1
Heat emitter of the main zone (in this example
Underfloor
heating
)
a2
Heat emitter of the additional zone (in this example
Radiator
). If no icon is displayed, there is no additional
zone.
b
Room thermostat type of the main zone:
If b=…
Then the temperature control is…
Main zone
Additional zone (if
any)
Room thermostat
control
External room
thermostat control
External room
thermostat control
No icon
Leaving water
temperature control
Leaving water
temperature control