Daikin Altherma EHVZ08S18CB, User Reference Manual

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4 Operation
User reference guide
6
EHVZ04~16S18CB
Daikin Altherma – Low temperature split
4P401674-1 – 2015.02
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 heat pump is a heating only model. The system can heat up a
space, but NOT cool down a space.
4.4.3 Determining which temperature control
you are using
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.
Prerequisite: You switched the permission level to Advanced end
user.
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
45°C
Desired temperature
LWT add
Mon
15:20
45°C
17:30
Mon
Mon
LWT add
Desired temperature
2 Check the following:
If… Then the temperature control is…
Main zone Additional zone
(if any)
Room temperature is
listed under:
[6.1]: > Information
> Sensor information
Room thermostat
control.
Go to next step to
check if leaving
water set point and
room temperature
set point are
linked.
External room
thermostat control.
Thermostat main A is
listed under:
[6.5]: > Information
> Actuators
External room thermostat control.
Else Leaving water temperature control.
3 Only for room thermostat control: Go to the main leaving water
temperature home page (LWT main) and check the following:
Is displayed
next to the
set point?
Then leaving water set point and room
temperature set point are…
Yes NOT linked.
You can set the leaving water set point on
the home page.
No Linked by their preset values. You can set
the preset values in the menu structure.
4.4.4 Room thermostat control - About room
thermostat control
Room thermostat control means that you control the following:
▪ Room temperature of the main zone
▪ Leaving water temperature of the main zone
Room temperature of the main zone
To control the room temperature of the main zone, you can do the
following:
You can… Location
Read out the actual and desired room
temperature .
Room temperature
home page
Temporarily overrule the room temperature
schedule .
Change the mode from scheduled to preset
value.
If you do this, you also have to define (in the
menu structure):
▪ Preset values
▪ Overrule period (Temperature lock)
Room temperature
home page if user
profile = Detailed
Select which room temperature schedule
you want to use.
Menu structure
Program schedules.
Define preset values that are used by the
room temperature schedule, and when you
change the mode from scheduled to preset
value.
See also:
▪ "4.4.5 Room thermostat control - Using the room temperature
home page" on page 7
▪ "To set the overrule period" on page 8