1.1About the documentation .............................................................................................................................................. 4
1.1.1Meaning of warnings and symbols ................................................................................................................4
1.2For the user..................................................................................................................................................................... 5
2 About this document7
3 About the system9
3.1Components in a typical system layout..........................................................................................................................9
4.2.2Main menu screen.......................................................................................................................................... 15
4.2.4Detailed screen with values ........................................................................................................................... 17
4.3Turning operation ON or OFF ......................................................................................................................................... 17
4.3.2To turn ON or OFF .......................................................................................................................................... 18
4.4.1About space heating/cooling control............................................................................................................. 19
4.4.2Setting the space operation mode................................................................................................................. 19
4.4.3Determining which temperature control you are using ................................................................................ 21
4.4.4To change the desired room temperature .................................................................................................... 21
4.4.5To change the desired leaving water temperature ....................................................................................... 22
4.5Domestic hot water control............................................................................................................................................ 23
4.5.1About domestic hot water control................................................................................................................. 23
4.6.3Reading out information ................................................................................................................................ 29
4.6.4To configure time and date ............................................................................................................................ 30
4.7Preset values and schedules........................................................................................................................................... 30
4.7.2Setting the energy prices................................................................................................................................ 31
4.7.3Using and programming schedules................................................................................................................ 33
4.9Menu structure: Overview user settings........................................................................................................................ 46
4.10 Installer settings: Tables to be filled in by installer ........................................................................................................ 47
6.1Overview: Maintenance and service .............................................................................................................................. 50
6.2To find the contact/helpdesk number............................................................................................................................ 51
7 Troubleshooting52
7.1To display the help text in case of a malfunction........................................................................................................... 52
7.2To check the malfunction history ................................................................................................................................... 52
7.3Symptom: You are feeling too cold (hot) in your living room........................................................................................ 53
7.4Symptom: The water at the tap is too cold.................................................................................................................... 53
Before installation, read the installation and operation
manual, and the wiring instruction sheet.
Before performing maintenance and service tasks, read the
service manual.
For more information, see the installer and user reference
guide.
The unit contains rotating parts. Be careful when servicing or
inspecting the unit.
Symbols used in the documentation:
SymbolExplanation
Indicates a figure title or a reference to it.
Example: " 1–3 Figure title" means "Figure 3 in chapter 1".
Indicates a table title or a reference to it.
Example: " 1–3 Table title" means "Table 3 in chapter 1".
1 | General safety precautions
1.2 For the user
WARNING
If you are NOT sure how to operate the unit, contact your
installer.
WARNING
Children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of
experience and knowledge can only use this appliance if
they have been given supervision or instruction concerning
the use of the appliance by a person responsible for their
safety.
Children MUST NOT play with the appliance.
Cleaning and user maintenance MUST NOT be carried out
by children without supervision.
▪ Do NOT place any objects containing water on the unit.
User reference guide
5
1 | General safety precautions
▪ Units are marked with the following symbol:
This means that electrical and electronic products may NOT be mixed with
unsorted household waste. Do NOT try to dismantle the system yourself: the
dismantling of the system, treatment of the refrigerant, of oil and of other parts
must be done by an authorized installer and must comply with applicable
legislation.
Units must be treated at a specialized treatment facility for reuse, recycling and
recovery. By ensuring this product is disposed of correctly, you will help to
prevent potential negative consequences for the environment and human
health. For more information, contact your installer or local authority.
▪ Batteries are marked with the following symbol:
CAUTION
▪ Do NOT place any objects or equipment on top of the
unit.
▪ Do NOT sit, climb or stand on the unit.
This means that the batteries may NOT be mixed with unsorted household
waste. If a chemical symbol is printed beneath the symbol, this chemical symbol
means that the battery contains a heavy metal above a certain concentration.
Possible chemical symbols are: Pb: lead (>0.004%).
Waste batteries must be treated at a specialized treatment facility for reuse. By
ensuring waste batteries are disposed of correctly, you will help to prevent
potential negative consequences for the environment and human health.
a Status indicator
b LCD screen
c Dials and buttons
a Status indicator
b LCD screen
c Dials and buttons
Status indicator
The LEDs of the status indicator light up or blink to show the operating mode of the
unit.
LEDModeDescription
Blinking blueStandbyThe unit is not in operation.
Continuous blueOperationThe unit is in operation.
Blinking redMalfunctionA malfunction occurred.
See "7.1To display the help text in case
of a malfunction"[452] for more
information.
LCD screen
The LCD screen has a sleeping function. After 15min of non-interaction with the
user interface, the screen darkens. Pressing any button or rotating any dial
awakens the display.
Dials and buttons
User reference guide
10
You use the dials and buttons:
▪ To navigate through the screens, menus and settings of the LCD screen
a Home screen
b Main menu screen
c Lower level screens:
c1: Setpoint screen
c2: Detailed screen with values
c3: Screen with weather-dependent curve
c4: Screen with schedule
Press the button to go back to the home screen. You see an overview of the unit
configuration and the room and setpoint temperatures. Only symbols applicable
for your configuration are visible on the home screen.
Starting from the home screen, press () or turn () the left dial to open
the main menu screen. From the main menu, you can access the different setpoint
screens and submenus.
4 | Operation
a Selected submenu
Possible actions on this screen
Go through the list.
Enter the submenu.
Enable/disable breadcrumbs.
SubmenuDescription
[0]
or Malfunctioning
Restriction: Only displayed if a malfunction
occurs.
See "7.1To display the help text in case of a
malfunction"[452] for more information.
[1]
Room
Restriction: Only displayed if a dedicated
Human Comfort Interface (BRC1HHDA used as
room thermostat) is controlling the indoor
unit.
Set the room temperature.
[2]
Main zone
Shows the applicable symbol for your main
zone emitter type.
Set the leaving water temperature for the
main zone.
[3]Additional zoneRestriction: Only displayed if there are two
leaving water temperature zones. Shows the
applicable symbol for your additional zone
emitter type.
Set the leaving water temperature for the
additional zone (if present).
[4]
Space heating/
cooling
Shows the applicable symbol of your unit.
Put the unit in heating mode or cooling mode.
You cannot change the mode on heating only
models.
Desired temperaturedTurn the right dial to increase/
SubmenueTurn or press the left dial to go to
4.2.4 Detailed screen with values
a Settings
4 | Operation
ItemDescription
decrease.
the submenu.
Example:
b Values
c Selected setting and value
Go through the list of settings.
Change the value.
Go to the next setting.
Confirm changes and proceed.
4.3 Turning operation ON or OFF
4.3.1 Visual indication
Certain functionalities of the unit can be enabled or disabled separately. If a
functionality is disabled, the corresponding temperature icon in the home screen
will be greyed out.