4 Operation
User reference guide
8
EA23DA6V(7)+9W
Daikin Altherma 3 H F
4P556076-1A – 2021.09
Room temperature control
55
21
35
45
a
55
21
35
45
b
a
Room temperature control ON
b
Room temperature control OFF
Space heating operation
55
21
35
45
c
55
21
35
45
d
c
Space heating/cooling operation ON
d
Space heating/cooling operation OFF
Tank heating operation
55
21
35
45
e
55
21
35
45
f
e
Tank heating operation ON
f
Tank heating operation OFF
4.3.2
To turn ON or OFF
Room temperature control
1
Go to [C.1]:
Operation
>
Room
.
Operation
Room
Space heating/cooling
On
On
C.1
2
Set operation to
On
or
Off
.
Space heating 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
.
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
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
4.4.2
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 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
