4 Operation
User reference guide
16
EHBH/X04~16CB + EHVH/X04~16S18+26CB
Daikin Altherma – Low temperature split
4P384964-1 – 2015.01
4.6.7
Locking and unlocking buttons and
functions
About locking and unlocking
You can use the following locking modes:
▪ Child lock: Locks all buttons to prevent children from changing
settings.
▪ Function lock: Locks a specific function to prevent people from
changing its settings.
Possible function locks
Lock
If active, people cannot…
Room On/OFF
Turn ON or OFF the room
temperature control.
LWT On/OFF
Turn ON or OFF the leaving
water temperature (main +
additional) control.
Tank On/OFF
Turn ON or OFF the domestic
hot water control.
Temperature up/down
Adjust temperatures.
Quiet mode
Use quiet mode.
Holiday
Use holiday mode.
Operation mode
Set the space operation mode.
User settings
Change settings in [7]:
> User
settings.
To check if locking is active
1
Press
to go to one of the home pages.
2
If is displayed, child lock is active.
Note:
If you are on a home page and try to use a function that is
locked, is displayed for 1 second.
To activate or deactivate child lock
1
Press
to go to one of the home pages.
2
Press
for more than 5 seconds.
To activate or deactivate a function lock
1
Press
to go to the menu structure.
2
Press
for more than 5 seconds.
3
Select a function and press
.
4
Select Lock or Unlock, and press
.
4.7
Preset values and schedules
4.7.1
Using preset values
About preset values
You can define preset values for multiple controls. Preset values
make it easy to use the same value in many places (schedules and
room temperature home page ( and )). If you later want to change
the value, you only have to do it in one place.
To define preset values
1
Go to [7.4]:
> User settings > Preset values.
2
Select for which control you want to define a preset value.
Example:
Room temperature.
3
Select a preset value and press
.
Example:
Comfort
(heating).
4
Select a temperature and press
.
Possible preset values
Control
Preset value
Where used
Room
temperature
Comfort
▪ Room
temperature
schedules
▪ Room temperature home
page ( and ) if user
profile = Detailed
Eco
LWT main
Comfort
Main leaving water
temperature schedules
Eco
Tank
temperature
Storage comfort
DHW tank temperature
schedule if DHW tank mode
is
▪ Scheduled
▪ Sch reheat
Storage eco
Reheat
DHW tank temperature
schedule if DHW tank mode
= Sch reheat
Quiet level
Used when quiet mode is
set to On
4.7.2
Using and programming schedules
About schedules
Depending on your system layout and installer configuration,
schedules (predefined and/or user‑defined) for multiple controls may
be available.
You can:
▪ Select which schedules you currently want to use.
▪ Program your own schedules if the predefined schedules are not
satisfactory. The actions you can program are control specific.
Possible actions per control
Control
Possible actions
Room temperature Program when to heat up or cool down a
space:
▪ Comfort (preset value)
▪ Eco (preset value)
▪ [Custom temperature]
Main leaving water
temperature
Additional leaving
water temperature
Program when the additional leaving water
temperature is turned ON and OFF.
(Only for
EHVH/X
and
EHBH/X
in
combination with
an optional
domestic hot
water tank)
DHW tank
temperature
Program when to heat up the DHW tank. The
possible actions depend on an installer setting.
Possible actions 1:
▪ Storage comfort (preset value)
(a)
▪ Storage eco (preset value)
(a)
▪ Storage stop
(b)
(Only for
EHBH/X
in combination
with an optional
domestic hot
water tank)
Booster heater
allowance
Program when the booster heater can operate.
Example:
Only allow the booster heater to
operate during the night.
Summary of Contents for EHBH08CB
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