Daikin EHBH08CB, User Reference Manual

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4 Operation
User reference guide
6
EHBH/X04~16CB + EHVH/X04~16S18+26CB
Daikin Altherma – Low temperature split
4P384964-1 – 2015.01
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/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
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 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 determine if a heating/cooling heat pump model is installed
1 Press to go to the menu structure.
2 Check if [4] Operation mode is listed. If so, a heating/cooling
heat pump model is installed.
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.
Operation mode = cooling.
Unit is NOT cooling down your space.
However, the DHW tank can be
heating up.
Operation mode = cooling.
Unit is cooling down your space at this
moment.
To set the space operation mode
1 Go to [4]: > Operation mode.
2 Select one of the following options and press :
If you select… Then the space operation mode is…
Heating Always heating mode.
Cooling Always cooling mode.
Automatic Automatically changed by the software
based on the outdoor temperature
(and depending on installer settings
also the indoor temperature), and
taking monthly restrictions into
account.
Note: Automatic changeover is only
possible under certain conditions.
To restrict automatic changeover operation mode
Prerequisite: You switched the permission level to Advanced end
user.
Prerequisite: You switched the space operation mode to automatic.
1 Go to [7.5]: > User settings > Allowed operation mode.
2 Select a month and press .
3 Select Heating only, Cooling only or Heating/Cooling, and press
.
Typical automatic 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
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