4 Operation
Operation manual
12
ET9W
Daikin Altherma 3 H MT F
4P634884-1 – 2021.03
Possible read-out information
In menu…
You can read out…
[8.1]
Energy data
Produced energy, consumed
electricity, and consumed gas
[8.2]
Malfunction history
Malfunction history
[8.3]
Dealer information
Contact/helpdesk number
[8.4]
Sensors
Room, tank or domestic hot
water, outside, and leaving water
temperature (if applicable)
[8.5]
Actuators
Status/mode of each actuator
Example:
Domestic hot water
pump ON/OFF
[8.6]
Operation modes
Current operation mode
Example:
Defrost/oil return
mode
[8.7]
About
Version information about the
system
[8.8]
Connection status
Information about the connection
status of the unit, the room
thermostat and the LAN adapter.
[8.9]
Running hours
Running hours of specific system
components
4.6
Space heating/cooling control
4.6.1
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.
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.
4.6.2
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
.
4.6.3
To change the desired leaving water
temperature
INFORMATION
The leaving water is the water that is sent to the heat
emitters. The desired leaving water temperature is set by
your installer in accordance with the heat emitter type.
Only adjust the leaving water temperature settings in case
of problems.
You can use the leaving water temperature setpoint screen to read
out and adjust the desired leaving water temperature.
