4 Operation
User reference guide
5
EHVZ04~16S18CB
Daikin Altherma – Low temperature split
4P401674-1 – 2015.02
Icon
Description
Unit is operating.
Desired room temperature = preset value (Comfort;
daytime).
Desired room temperature = preset value (Eco;
nighttime).
▪ On the room temperature home page: Desired
room temperature = according to the selected
schedule.
▪ On the DHW tank temperature home page:
DHW tank mode = Scheduled mode.
DHW tank mode = Reheat mode.
DHW tank mode = Sch reheat mode.
Domestic hot water operation.
Actual temperature.
Desired temperature.
At the next scheduled action, the desired temperature
will increase.
At the next scheduled action, the desired temperature
will NOT change.
At the next scheduled action, the desired temperature
will decrease.
The preset value (Comfort or Eco) or scheduled value
is temporarily overruled.
The DHW tank booster mode is active or ready to be
activated.
Quiet mode is active.
Holiday mode is active or ready to be activated.
Button lock mode and/or function lock mode is active.
An external heat source is active.
Example:
Gas
burner.
The disinfection mode is active.
A malfunction occured. Press
to display more
information about the malfunction.
Weather-dependent mode is active.
User permission level = Installer.
Defrost/oil return mode is active.
Hot start mode is active.
Emergency operation is active.
4.3
Basic usage
4.3.1
Using home pages
About home pages
You can use the home pages to read out and change settings that
are meant for daily usage. What you can see and do on the home
pages is described where applicable. Depending on your system
layout, the following home pages may be possible:
▪ Room temperature (Room)
▪ Main leaving water temperature (LWT main)
▪ Additional leaving water temperature (LWT add)
▪ DHW tank temperature (Tank)
To go to a home page
1
Press
.
Result:
One of the home pages is displayed.
2
Press
again to display the next home page (if any).
4.3.2
Using the menu structure
About the menu structure
You can use the menu structure to read out and configure settings
that are NOT meant for daily usage. What you can see and do in the
menu structure is described where applicable. For an overview of
the menu structure, see
"4.9 Menu structure: Overview" on
To go to the menu structure
1
From a home page, press
.
Result:
The menu structure is displayed.
1
>
>
>
Select
Scroll
Set time/date
Holiday
Quiet mode
Select schedules
Information
Auto
To navigate in the menu structure
Use
,
,
,
,
and
.
4.3.3
Turning ON/OFF controls
About turning ON/OFF controls
Before you can control…
You have to turn ON…
Room temperature
Room temperature control
(Room)
Main (+ additional) leaving water
temperature
Main (+ additional) leaving water
temperature control (LWT main
and LWT add)
Main and additional leaving
water temperature control are
always turned ON or OFF
together.
DHW tank temperature
Domestic hot water control
(Tank)
If you turn ON…
Then…
Room temperature control
Main (+ additional) leaving water
temperature control is
automatically turned ON.
Main (+ additional) leaving water
temperature control
Room temperature control is
NOT automatically turned ON.
If you turn OFF…
Then…
Room temperature control
Main (+ additional) leaving water
temperature control is NOT
automatically turned OFF.
Main (+ additional) leaving water
temperature control
Room temperature control is
automatically turned OFF.
To check if a control is turned ON or OFF
1
Go to the home page of the control.
Example:
Room
temperature home page (Room).
2
Check if the LED is ON or OFF.
Note:
If the control is turned
OFF, OFF is also displayed on the screen.
To turn ON or OFF the room temperature control
1
Go to the room temperature home page (Room).
2
Press
.
Summary of Contents for Altherma EHVZ08S18CB
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