4 Operation
User reference guide
6
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P3517491 – 2013.06
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
.
To turn ON or OFF the leaving water temperature (main +
additional) control
1
Go to one of the following the home pages:
▪ Main leaving water temperature home page (LWT main)
▪ Additional leaving water temperature home page (LWT add)
2
Press
.
To turn ON or OFF the domestic hot water control
1
Go to the DHW tank temperature home page (Tank).
2
Press
.
4.4
Space heating control
4.4.1
About space heating control
Controlling space heating typically consists of the following stages:
1
Setting the space operation mode
2
Controlling the temperature
4.4.2
Setting the space operation mode
About space operation modes
The system can heat up a space, but NOT cool down a space. You
do NOT have to tell the system which space operation mode to use.
To tell the system which space operation to use, you can do the
following:
You can…
Location
Check
which space operation mode is
currently used
.
Home pages:
▪ Room temperature
▪ Leaving
water
temperature (main
+ additional)
Set
the space operation
mode
.
Menu structure
Restrict
when
automatic changeover
is
possible.
To check which space operation mode is currently used
1
Go to one of the following the home pages:
▪ Room temperature home page (Room)
▪ Main leaving water temperature home page (LWT main)
▪ Additional leaving water temperature home page (LWT add)
2
Check the status icon:
If you see…
Then…
Operation mode = heating.
Unit is NOT heating up your space.
However, the DHW tank can be
heating up.
Operation mode = heating.
Unit is heating up your space at this
moment.
4.4.3
Controlling the temperature
About controlling the temperature
Depending on the system layout and installer configuration, you use
a different temperature control:
▪ Room thermostat control (linked or NOT linked to leaving water
temperature)
▪ Leaving water temperature control
▪ External room thermostat control
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)
If you have 2 user interfaces, perform the following procedure on the
user interface at the indoor unit.
1
Press
multiple times to switch between home pages, and
check if the additional leaving water temperature home page
(LWT add) is available:
If …
Then you have…
Available
A main zone and an additional
zone
NOT available
Only a main zone
Typical additional leaving water temperature home page:
User profile = Basic
User profile = Detailed
15:20
Mon
LWT add
Desired temperature
45°C
15:20
Mon
LWT add
Desired temperature
45°C
Mon
17:30
2
Go to [6]:
> Information.
3
Press
for more than 5 seconds.
Result:
The user permission level switches to Adv. end user.
Additional information is displayed and "+" is added to the menu
title.
4
Check the following:
