Daikin Altherma EHBH04+08DA, User Reference Manual

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4 Operation
User reference guide
7
EHBH/X04+08DA + EHVH/X04+08S18+23DA
Daikin Altherma – Low temperature split
4P495250-1 – 2017.12
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 (linked or NOT linked to leaving water
temperature)
▪ Leaving water temperature control
▪ External room thermostat control
4.4.2 Setting the space operation mode
About space operation modes
Depending on your heat pump model, you have to tell the system
which space operation mode to use: heating or cooling.
If a … heat pump
model is installed
Then…
Heating/cooling The system can heat up and cool down a
space. You have to tell the system which
space operation mode to use.
Heating only 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 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
Set the space operation mode permanently. Main menu
Restrict automatic changeover according
to a monthly schedule.
To check which space operation mode is currently used
The space operation mode is displayed on the home screen:
▪ When the unit is in heating mode, the icon is shown.
▪ When the unit is in cooling mode, the icon is shown.
The status indicator shows if the unit is currently in operation:
▪ When the unit is not in operation, the status indicator will show a
blue pulsation with an interval of approximately 5 seconds.
▪ While the unit is in operation, the status indicator will light up blue
constantly.
To set the space operation mode
1 Go to [4.1]: Space heating/cooling > Operation mode
2 Select one of the following options:
▪ Heating: Always heating mode
▪ Cooling: Always cooling mode
▪ Automatic: The operation mode changes
automatically based on the outdoor temperature.
Restricted according to the operation mode
schedule.
Automatic heating/cooling changeover is is NOT applicable for
heating only models. When Automatic is selected, the changing of
the operation mode is based on the Operation mode schedule [4.2].
To restrict automatic changeover according to a schedule
Conditions: You set the space operation mode to Automatic.
1 Go to [4.2]: Space heating/cooling > Operation mode
schedule.
2 Select a month.
3 For each month, select an option:
▪ Reversible: Not restricted
▪ Heating only: Restricted
▪ Cooling only: Restricted
4 Confirm the changes.
Example: Changeover restrictions
When Restriction
During cold season.
Example: October, November,
December, January, February and March.
Heating only
During warm season.
Example: June, July and August.
Cooling only
In-between.
Example: April, May and September.
Heating/Cooling
If both the Operation mode and the Operation mode schedule are
set to Automatic, the operation mode will be determined by the
outdoor temperature.
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)
You can see on the home screen which temperature control you are
using.
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22:19
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a2
a1
b
a1 Heat emitter of the main zone
a2 Heat emitter of the additional zone (if any)
b Room thermostat type of the main zone
To determine the number of temperature zones
Check the number of heat emitters displayed on the home screen:
If… Then…
One heat emitter symbol is displayed There is only one zone.