Daikin Altherma 3 R F Product information sheet

User reference guide
Daikin Altherma 3 R F
EHVZ04S18DA6V7
EHVZ08S18DA6V7
EHVZ08S23DA6V7
EHVZ08S18DA9W7
EHVZ08S23DA9W7

Table of contents
User reference guide
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Table of contents
1 General safety precautions 4
1.1 About the documentation .............................................................................................................................................. 4
1.1.1 Meaning of warnings and symbols ................................................................................................................ 4
1.2 For the user..................................................................................................................................................................... 5
2 About this document 7
3 About the system 9
3.1 Components in a typical system layout.......................................................................................................................... 9
4 Operation 10
4.1 User interface: Overview ................................................................................................................................................ 10
4.2 Possible screens: Overview............................................................................................................................................. 11
4.2.1 Home screen................................................................................................................................................... 12
4.2.2 Main menu screen.......................................................................................................................................... 13
4.2.3 Setpoint screen............................................................................................................................................... 15
4.2.4 Detailed screen with values ........................................................................................................................... 16
4.3 Turning operation ON or OFF ......................................................................................................................................... 16
4.3.1 Visual indication.............................................................................................................................................. 16
4.3.2 To turn ON or OFF .......................................................................................................................................... 17
4.4 Space heating control ..................................................................................................................................................... 18
4.4.1 About space heating control .......................................................................................................................... 18
4.4.2 Setting the space operation mode................................................................................................................. 18
4.4.3 Determining which temperature control you are using................................................................................ 18
4.4.4 To change the desired room temperature .................................................................................................... 19
4.4.5 To change the desired leaving water temperature ....................................................................................... 19
4.5 Domestic hot water control............................................................................................................................................ 20
4.5.1 About domestic hot water control................................................................................................................. 20
4.5.2 Reheat mode .................................................................................................................................................. 21
4.5.3 Scheduled mode............................................................................................................................................. 22
4.5.4 Scheduled + reheat mode .............................................................................................................................. 22
4.5.5 To change the domestic hot water temperature .......................................................................................... 23
4.5.6 Using DHW powerful operation..................................................................................................................... 23
4.6 Advanced usage .............................................................................................................................................................. 24
4.6.1 Using quiet mode ........................................................................................................................................... 25
4.6.2 Using holiday mode........................................................................................................................................ 26
4.6.3 Reading out information ................................................................................................................................ 26
4.6.4 To configure time and date............................................................................................................................ 27
4.7 Preset values and schedules........................................................................................................................................... 27
4.7.1 Using preset values......................................................................................................................................... 27
4.7.2 Setting the energy prices................................................................................................................................ 28
4.7.3 Using and programming schedules................................................................................................................ 30
4.7.4 Schedule screen: Example.............................................................................................................................. 31
4.8 Weather-dependent curve ............................................................................................................................................. 35
4.8.1 What is a weather-dependent curve? ........................................................................................................... 35
4.8.2 2-points curve................................................................................................................................................. 35
4.8.3 Slope-offset curve........................................................................................................................................... 36
4.8.4 Using weather-dependent curves.................................................................................................................. 38
4.9 Menu structure: Overview user settings........................................................................................................................ 40
4.10 Installer settings: Tables to be filled in by installer........................................................................................................ 41
4.10.1 Configuration wizard ...................................................................................................................................... 41
4.10.2 Settings menu................................................................................................................................................. 41
5 Energy saving tips 43
6 Maintenance and service 44
6.1 Overview: Maintenance and service .............................................................................................................................. 44
6.2 To find the contact/helpdesk number............................................................................................................................ 45
7 Troubleshooting 46
7.1 To display the help text in case of a malfunction........................................................................................................... 46
7.2 To check the malfunction history ................................................................................................................................... 46
7.3 Symptom: You are feeling too cold (hot) in your living room........................................................................................ 46
7.4 Symptom: The water at the tap is too cold.................................................................................................................... 47
7.5 Symptom: Heat pump failure ......................................................................................................................................... 47
7.6 Symptom: The system is making gurgling noises after commissioning......................................................................... 48

Table of contents
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8 Relocation 49
8.1 Overview: Relocation...................................................................................................................................................... 49
9 Disposal 50
10 Glossary 51

1 | General safety precautions
User reference guide
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1 General safety precautions
1.1 About the documentation
▪The original documentation is written in English. All other languages are
translations.
▪The precautions described in this document cover very important topics, follow
them carefully.
▪The installation of the system, and all activities described in the installation
manual and in the installer reference guide MUST be performed by an authorised
installer.
1.1.1 Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of extreme hot or cold
temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate injury.
NOTICE
Indicates a situation that could result in equipment or property damage.
INFORMATION
Indicates useful tips or additional information.
Symbols used on the unit:

1 | General safety precautions
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Symbol Explanation
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:
Symbol Explanation
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".
1.2 For the user
WARNING
If you are NOT sure how to operate the unit, contact your
installer.
WARNING
This appliance is not intended for use by persons, including
children, with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning
use of the appliance by a person responsible for their
safety.
Children should be supervised to ensure that they do not
play with the appliance.
Cleaning and user maintenance must not be carried out by
children without supervision.
WARNING
To prevent electrical shocks or fire:
▪Do NOT rinse the unit.
▪Do NOT operate the unit with wet hands.
▪Do NOT place any objects containing water on the unit.

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CAUTION
▪Do NOT place any objects or equipment on top of the
unit.
▪Do NOT sit, climb or stand on the unit.
▪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:
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.

2 | About this document
User reference guide
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2 About this document
Thank you for purchasing this product. Please:
▪Read the documentation carefully before operating the user interface to ensure
the best possible performance.
▪Request the installer to inform you about the settings that he used to configure
your system. Check if he has filled in the installer settings tables. If not, request
him to do so.
▪Keep the documentation for future reference.
Target audience
Endusers
Documentation set
This document is part of a documentation set. The complete set consists of:
▪General safety precautions:
-Safety instructions that you must read before operating your system
-Format: Paper (in the box of the indoor unit)
▪Operation manual:
-Quick guide for basic usage
-Format: Paper (in the box of the indoor unit)
▪User reference guide:
-Detailed step-by-step instructions and background information for basic and
advanced usage
-Format: Digital files on http://www.daikineurope.com/support-and-manuals/
product-information/
Latest revisions of the supplied documentation may be available on the regional
Daikin website or via your installer.
The original documentation is written in English. All other languages are
translations.
Breadcrumbs
Breadcrumbs (example: [4.3]) help you to locate where you are in the menu
structure of the user interface.
1To enable the breadcrumbs: In the home screen or main menu
screen, press the help button. The breadcrumbs appear in the
top left corner of the screen.
2To disable the breadcrumbs: Press the help button again.
This document also mentions these breadcrumbs. Example:
1Go to [4.3]: Space heating/cooling > Operation
range.
This means:

2 | About this document
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1Starting from the home screen, turn the left dial and go to
Space heating/cooling.
4
Space heating/cooling
2Press the left dial to enter the submenu.
3Turn the left dial and go to Operation range.
Operation range
4.3
4Press the left dial to enter the submenu.

3 | About the system
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3 About the system
Depending on the system layout, the system can:
▪Heat up a space
▪Produce domestic hot water
3.1 Components in a typical system layout
d
a b c
e
f
gBC A
AMain zone. Example: Living room.
BAdditional zone. Example: Bedroom.
CTechnical room. Example: Garage.
aOutdoor unit heatpump
bIndoor unit heatpump
cDomestic hot water (DHW) tank
dUser interface of the indoor unit
eUser interface used as room thermostat
fUnderfloor heating
gRadiators, heatpump convectors, or fancoil units

4 | Operation
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4 Operation
4.1 User interface: Overview
The user interface has the following components:
a
b
c
aStatus indicator
bLCD screen
cDials and buttons
Status indicator
The LEDs of the status indicator light up or blink to show the operating mode of the
unit.
LED Mode Description
Blinking blue Standby The unit is not in operation.
Continuous blue Operation The unit is in operation.
Blinking red Malfunction A malfunction occurred.
See "7.1To display the help text in case
of a malfunction"[446] for more
information.
LCD screen
The LCD screen has a sleeping function. After a certain time of non-interaction with
the user interface, the screen darkens. Pressing any button or rotating any dial
awakens the display. The time of non-interaction differs depending on the user
permission level:
▪User or Advanced user: 15min
▪Installer: 1h
Dials and buttons
You use the dials and buttons:
▪To navigate through the screens, menus and settings of the LCD screen
▪To set values

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a b c d e
Item Description
aLeft dial The LCD shows an arc on the left side of the display when
you can use the left dial.
▪: Turn, then press the left dial. Navigate through the
menu structure.
▪: Turn the left dial. Choose a menu item.
▪: Press the left dial. Confirm your choice or go to a
submenu.
bBack button : Press to go back 1 step in the menu structure.
cHome button : Press to go back to the home screen.
dHelp button : Press to show a help text related to the current page (if
available).
eRight dial The LCD shows an arc on the right side of the display when
you can use the right dial.
▪: Turn, then press the right dial. Change a value or
setting, shown at the right side of the screen.
▪: Turn the right dial. Navigate through the possible
values and settings.
▪: Press the right dial. Confirm your choice and go to
the next menu item.
4.2 Possible screens: Overview
The most common screens are as follows:

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+
–
a
OR
b
c
c2
c4
c1
c3
aHome screen
bMain menu screen
cLower level screens:
c1: Setpoint screen
c2: Detailed screen with values
c3: Screen with weather-dependent curve
c4: Screen with schedule
4.2.1 Home screen
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.
6
1.6
bar
18 Feb 2018
22:19
55
18
21
45
f
i
j
h
g
e
d
a
b
c
Possible actions on this screen
Go through the list of the main menu.
Go to the main menu screen.
Enable/disable breadcrumbs.
Item Description
21
21
The temperatures are shown in circles. If the circle is grey,
the corresponding operation (example: space heating) is
currently not active.
Outdoor unit
a2 a3
a1
a1 : Outdoor unit
a2 : Quiet mode active
a3 Measured ambient temperature

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Item Description
Indoor unit /
domestic hot
water tank
b1
b2
b1 Indoor unit:
▪: Floor-standing indoor unit with integrated tank
b2 Water pressure
Space
operation
mode
c: Heating
Disinfection /
Powerful
d▪: Disinfection mode active
▪: Powerful operation active
Date / time eCurrent date and time
Holiday f: Holiday mode active
Main zone
g3
g1
g4
g2
g1 Heat emitter type:
▪: Underfloor heating
▪: Fancoil unit
▪: Radiator
g2 Leaving water temperature setpoint
g3 Room thermostat type:
▪: Daikin user interface used as room thermostat
▪: External control
▪Hidden: Leaving water temperature control
g4 Measured room temperature
Additional
zone
h3
h1 h2
h1 Heat emitter type:
▪: Underfloor heating
▪: Fancoil unit
▪: Radiator
h2 Leaving water temperature setpoint
h3 Room thermostat type:
▪: External control
▪Hidden: Leaving water temperature control
Domestic hot
water
i1 i2
i1 : Domestic hot water
i2 Measured tank temperature
Malfunction j or : A malfunction occurred
See "7.1To display the help text in case of a
malfunction"[446] for more information.
4.2.2 Main menu 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.

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a
2
Main zone
Additional zone
Room
Malfunctioning
Space heating/cooling
aSelected submenu
Possible actions on this screen
Go through the list.
Enter the submenu.
Enable/disable breadcrumbs.
Submenu Description
[0] or Malfunctioning Restriction: Only displayed if a malfunction
occurs.
See "7.1To display the help text in case of a
malfunction"[446] for more information.
[1] Room Restriction: Only displayed if a room
thermostat is connected to 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 zone Restriction: 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 for your unit.
You cannot change the operation mode on
heating only models.
[5] Tank Restriction: Only displayed if a domestic hot
water tank is present.
Set the domestic hot water tank temperature.
[7] User settings Gives access to user settings such as holiday
mode and quiet mode.
[8] Information Displays data and information about the
indoor unit.
[9] Installer settings Restriction: Only for the installer.
Gives access to advanced settings.
[A] Commissioning Restriction: Only for the installer.
Perform tests and maintenance.
[B] User profile Change the active user profile.
[C] Operation Turn heating functionality and domestic hot
water preparation on or off.

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4.2.3 Setpoint screen
The setpoint screen is displayed for screens describing system components that
need a setpoint value.
Examples
[1] Room temperature screen
+
–
21°C
1
Room
[2] Main zone screen
+
–
35°C
2
Main zone
[3] Additional zone screen
+
–
45°C
3
Additional zone
[5] Tank temperature screen
+
–
50°C
5
Tank
Explanation
a1
d
+
–
d
ed
e
c
a2
b1
b2
Possible actions on this screen
Go through the list of the submenu.
Go to the submenu.
Adjust and automatically apply the desired temperature.
Item Description
Minimum temperature limit a1 Fixed by the unit
a2 Restricted by the installer
Maximum temperature limit b1 Fixed by the unit
b2 Restricted by the installer
Current temperature cMeasured by the unit
Desired temperature dTurn the right dial to increase/
decrease.
Submenu eTurn or press the left dial to go to
the submenu.

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4.2.4 Detailed screen with values
Example:
a bc
a bc
7.2.1
Time/date
Hours 11
30
Minutes
aSettings
bValues
cSelected setting and value
Possible actions on this screen
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.
Room temperature control
1.6
bar
55
19
42
18
a
1.6
bar
55
19
42
18
b
aRoom temperature control ON
bRoom temperature control OFF
Space heating operation
1.6
bar
55
19
42
18
c
1.6
bar
55
19
42
18
d
cSpace heating/cooling operation ON
dSpace heating/cooling operation OFF

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Tank heating operation
1.6
bar
55
19
42
18
e
1.6
bar
55
19
42
18
f
eTank heating operation ON
fTank heating operation OFF
4.3.2 To turn ON or OFF
Room temperature control
1Go to [C.1]: Operation > Room.
Operation
Room
Space heating/cooling On
On
C.1
2Set operation to On or Off.
Space heating operation
NOTICE
Room frost protection. Even if you turn OFF space heating/cooling operation ([C.2]:
Operation > Space heating/cooling), room frost protection –if enabled– will
remain active.
NOTICE
Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation
([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if
enabled– will remain active.
1Go to [C.2]: Operation > Space heating/cooling.
Operation
Space heating/cooling
Tank Off
On
On
Room
C.2
2Set operation to On or Off.
Tank heating operation
NOTICE
Disinfection mode. Even if you turn OFF tank heating operation ([C.3]: Operation >
Tank), disinfection mode will remain active. However, if you turn it OFF while
disinfection is running, an AH error occurs.

4 | Operation
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1Go to [C.3]: Operation > Tank.
Operation
Tank Off
On
Space heating/cooling
C.3
2Set operation to On or Off.
4.4 Space heating control
4.4.1 About space heating control
Controlling space heating typically consists of the following stages:
1Setting the space operation mode
2Controlling the temperature
Depending on the system layout and installer configuration, you use a different
temperature control:
▪Room thermostat control
▪Leaving water temperature control
▪External room thermostat control
4.4.2 Setting the space operation mode
About space operation modes
This unit 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)
You can see on the home screen which temperature control you are using.
6
1.6
bar
22:19
55
21
45
18
a2
a1
b
18 Feb 2018
a1 Heat emitter of the main zone (in this example Underfloor heating)
a2 Heat emitter of the additional zone (in this example Radiator). If no icon is displayed, there is no
additional zone.
bRoom thermostat type of the main zone:

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If b=… Then the temperature control is…
Main zone Additional zone (if any)
Room thermostat control External room thermostat
control
External room thermostat
control
No icon Leaving water
temperature control
Leaving water
temperature control
4.4.4 To change the desired room temperature
During room temperature control, you can use the room temperature setpoint
screen to read out and adjust the desired room temperature.
1Go to [1]: Room.
Room
1
2Adjust the desired room temperature.
+
–
21°C
1
a b
Room
a Actual room temperature
b Desired room temperature
If scheduling is on after changing the desired room temperature
▪The temperature will stay the same as long as there is no scheduled action.
▪The desired room temperature will return to its scheduled value whenever a
scheduled action occurs.
You can avoid scheduled behaviour by (temporarily) turning off scheduling.
To turn off room temperature scheduling
1Go to [1.1]: Room > Schedule.
2Select No.
4.4.5 To change the desired leaving water temperature
INFORMATION
The leaving water is the water that is sent to the heat emitters. The desired leaving
water temperature is set by your installer in accordance with the heat emitter type.
Only adjust the leaving water temperature settings in case of problems.
You can use the leaving water temperature setpoint screen to read out and adjust
the desired leaving water temperature.

4 | Operation
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1Go to [2]: Main zone or [3]: Additional zone.
Main zone
2
Additional zone
3
2Adjust the desired leaving water temperature.
+
–
35°C
2
a b
Main zone
+
–
45°C
3
a b
Additional zone
a Actual leaving water temperature
b Desired leaving water temperature
If scheduling is on after changing the desired leaving water temperature
▪The temperature will stay the same as long as there is no scheduled action.
▪The desired leaving water temperature will return to its scheduled value
whenever a scheduled action occurs.
You can avoid scheduled behaviour by (temporarily) turning off scheduling.
To turn off leaving water temperature scheduling
1Go to one of the following:
▪[2.1]: Main zone > Schedule
▪[3.1]: Additional zone > Schedule
2Select No.
To enable weather-dependent operation for the leaving water temperature
See "4.8.4Using weather-dependent curves"[438].
4.5 Domestic hot water control
4.5.1 About domestic hot water control
Depending on the DHW tank mode (installer setting), you use a different domestic
hot water control: