EABH16DF6V - Heat pump DAIKIN - Free user manual and instructions

USER MANUAL EABH16DF6V DAIKIN

• 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 Endusers 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)

• 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. 1 To 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. 2 To disable the breadcrumbs: Press the help button again. This document also mentions these breadcrumbs. Example: 1 Go to [4.3]: Space heating/cooling > Operation range. This means: 1 Starting from the home screen, turn the left dial and go to Space heating/cooling.

Space heating/cooling 2 Press the left dial to enter the submenu. 3 Turn the left dial and go to Operation range. Operation range

4 Press the left dial to enter the submenu.2 About the system Operation manual

• Cool down a space (if a heating/cooling heat pump model is installed)

• Produce domestic hot water (if a DHWtank is installed)

2.1 Components in a typical system

A Main zone. Example: Living room. B Additional zone. Example: Bedroom. C Technical room. Example: Garage. a Outdoor unit heatpump b Indoor unit heatpump c Domestic hot water (DHW) tank d User interface of the indoor unit e User interface used as room thermostat f Underfloor heating g Radiators, heatpump convectors, or fancoil units INFORMATION The indoor unit and the domestic hot water tank (if installed) can be separated or integrated depending on the indoor unit type. 3 Operation

3.1 User interface: Overview

The user interface has the following components:

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. 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 "6.1To display the help text in case of a malfunction"[414] for more information. LCD screen The LCD screen has a sleeping function. After 15 min of non- interaction with the user interface, the screen darkens. Pressing any button or rotating any dial awakens the display. Dials and buttons You use the dials and buttons:

• To navigate through the screens, menus and settings of the LCD screen

• To set values a b c d e Item Description a Left 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. b Back button : Press to go back 1 step in the menu structure. c Home button : Press to go back to the home screen. d Help button : Press to show a help text related to the current page (if available). e Right 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.3 Operation Operation manual

The most common screens are as follows:

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.

Possible actions on this screen Go through the list of the main menu. Go to the main menu screen. Enable/disable breadcrumbs. Item Description

The temperatures are shown in circles. If the circle is grey, the corresponding operation (example: space heating) is currently not active. Outdoor unit

: Quiet mode active a3 Measured ambient temperature Item Description Indoor unit / domestic hot water tank

• : Floor-standing indoor unit with integrated tank

• : Wall-mounted indoor unit with separated tank

• : Wall-mounted indoor unit b2 Water pressure Space operation mode

• : Powerful operation active Date / time e Current date and time Holiday f : Holiday mode active Main zone

• : Radiator g2 Leaving water temperature setpoint g3 Room thermostat type:

• : Daikin user interface used as room thermostat

• Hidden: Leaving water temperature control g4 Measured room temperature Additional zone

• : Radiator h2 Leaving water temperature setpoint h3 Room thermostat type:

• Hidden: Leaving water temperature control Domestic hot water

: Domestic hot water i2 Measured tank temperature Malfunction j or : A malfunction occurred See "6.1To display the help text in case of a malfunction"[414] for more information.3 Operation Operation manual

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.

Main zoneAdditional zone Room MalfunctioningSpace heating/cooling a Selected submenu Possible actions on this screen Go through the list. Enter the submenu. Enable/disable breadcrumbs. Submenu Description [0]

Malfunctioning Restriction: Only displayed if a malfunction occurs. See "6.1To display the help text in case of a malfunction"[414] 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. Put the unit in heating mode or cooling mode. You cannot change the 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/cooling functionality and domestic hot water preparation on or off.

3.2.3 Setpoint screen

The setpoint screen is displayed for screens describing system components that need a setpoint value. Examples [1] Room temperature screen

Room [2] Main zone screen

Main zone [3] Additional zone screen

Additional zone [5] Tank temperature screen

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 c Measured by the unit Desired temperature d Turn the right dial to increase/decrease. Submenu e Turn or press the left dial to go to the submenu.

3.2.4 Detailed screen with values

Minutes a Settings b Values c Selected setting and value3 Operation Operation manual

EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W Daikin Altherma 3 H F+W 4P644480-1 – 2020.12 Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. Confirm changes and proceed.

3.3 Turning operation ON or OFF

3.3.1 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

a Room temperature control ON b Room temperature control OFF Space heating/cooling operation

c Space heating/cooling operation ON d Space heating/cooling operation OFF Tank heating operation

e Tank heating operation ON f Tank heating operation OFF

3.3.2 To turn ON or OFF

Room temperature control 1 Go to [C.1]: Operation > Room. Operation Room Space heating/cooling

C.1 2 Set operation to On or Off. Space heating/cooling operation NOTICE Room frost protection. Even if you turn OFF space heating/cooling operation ([C.2]: Operation > Space heating/cooling), room frost protection operation –if enabled– can still activate. However, for leaving water temperature control and external room thermostat control, the protection is NOT guaranteed. 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. 1 Go to [C.2]: Operation > Space heating/cooling. OperationSpace heating/cooling Tank Off

Room C.2 2 Set 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. 1 Go to [C.3]: Operation > Tank. Operation Tank Off

Space heating/cooling C.3 2 Set operation to On or Off.3 Operation Operation manual

3.4 Space heating/cooling control

3.4.1 Setting the space operation mode

About space operation modes Your unit can be a heating or a heating/cooling model:

• If your unit is a heating model, it can heat up a space.

• If your unit is a heating/cooling model, it can both heat up and cool down a space. You have to tell the system which operation mode to use. 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 set the space operation mode 1 Go to [4.1]: Space heating/cooling > Operation mode 2 Select one of the following options:

• Heating: Only heating mode

• Cooling: Only cooling mode

• Automatic: The operation mode changes automatically between heating and cooling based on the outdoor temperature. Restricted per month according to 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.

3.4.2 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. 1 Go to [1]: Room. Room

2 Adjust the desired room temperature.

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 1 Go to [1.1]: Room > Schedule. 2 Select No.

3.4.3 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. 1 Go to [2]: Main zone or [3]: Additional zone. Main zone

Additional zone 33 Operation Operation manual

a b Additional zone a Actual leaving water temperature b Desired leaving water temperature

3.5 Domestic hot water control

In reheat mode the DHW tank continuously heats up to the temperature shown on the home screen (example: 50°C) when the temperature drops below a certain value.

DHWtank temperature t Time INFORMATION Risk of space heating capacity shortage for domestic hot water tank without internal booster heater: In case of frequent domestic hot water operation, frequent and long space heating/cooling interruption will happen when selecting the following: Tank > Heat up mode > Reheat only. INFORMATION When the DHW tank mode is reheat, the risk for capacity shortage and comfort problem is significant. In case of frequent reheat operation, space heating/cooling function is regularly interrupted.

3.5.2 Scheduled mode

In scheduled mode the DHWtank produces hot water corresponding to a schedule. The best time to allow the tank to produce hot water is at night, because the space heating demand is lower. Example:

• Initially, the DHW tank temperature is the same as the temperature of the domestic water entering the DHW tank (example: 15°C).

• At 00:00 the DHWtank is programmed to heat up the water to a preset value (example: Comfort = 60°C).

• During the morning, you consume hot water and the DHW tank temperature decreases.

• At 14:00 the DHWtank is programmed to heat up the water to a preset value (example: Eco = 50°C). Hot water is available again.

• During the afternoon and evening, you consume hot water again and the DHWtank temperature decreases again.

• At 00:00 the next day, the cycle repeats.

3.5.3 Scheduled + reheat mode

In scheduled + reheat mode, the domestic hot water control is the same as in scheduled mode. However, when the DHW tank temperature drops below a preset value (=reheat tank temperature – hysteresis value; example: 35°C), the DHW tank heats up until it reaches the reheat set point (example: 45°C). This ensures that a minimum amount of hot water is available at all times. Example:

Domestic hot water tank temperature t Time

3.5.4 Using DHW powerful operation

About powerful operation Powerful operation allows the domestic hot water to be heated by the backup heater or booster heater. Use this mode on days when there is more hot water usage than usual. To check if powerful operation is active If is displayed on the home screen, powerful operation is active. Activate or deactivate Powerful operation as follows: 1 Go to [5.1]: Tank > Powerful operation 2 Turn powerful operation Off or On.3 Operation Operation manual

EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W Daikin Altherma 3 H F+W 4P644480-1 – 2020.12 Usage example: You immediately need more hot water You are in the following situation:

• You already consumed most of your domestic hot water.

• You cannot wait for the next scheduled action to heat up the domestic hot water tank. Then you can activate powerful operation. The domestic hot water tank will start heating up the water to the Comfort temperature. INFORMATION When powerful operation is active, the risk of space heating/cooling and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long space heating/cooling interruptions will happen.

The amount of information you can read out and edit in the menu structure depends on your user permission level:

• Advanced user: You can read out and edit more information To change the user permission level You can change the user permission level as follows: 1 Go to [B]: User profile. User profile

2 Enter the applicable pin code for the user permission level.

• Browse through the list of digits and change the selected digit.

• Move the cursor from left to right.

• Confirm the pin code and proceed. User pin code The User pin code is 0000.

User Advanced user pin code The Advanced user pin code is 1234. Additional menu items for the user are now visible.

This example shows how to set a room temperature schedule in heating mode for the main zone. INFORMATION The procedures to program other schedules are similar. To program the schedule: overview Example: You want to program the following schedule: Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite: The room temperature schedule is only available if room thermostat control is active. If leaving water temperature control is active, you can program the main zone schedule instead. 1 Go to the schedule. 2 (optional) Clear the content of the whole week schedule or the content of a selected day schedule. 3 Program the schedule for Monday. 4 Copy the schedule to the other weekdays. 5 Program the schedule for Saturday and copy it to Sunday. 6 Give the schedule a name. To go to the schedule 1 Go to [1.1]: Room > Schedule. 2 Set scheduling to Yes. 3 Go to [1.2]: Room > Heating schedule. To clear the content of the week schedule 1 Select the name of the current schedule. Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select Delete. DeleteRenameSelect 3 Select OK to confirm. To clear the content of a day schedule 1 Select the day of which you want to clear the content. For example Friday Mon Sat Wed Fri Thu Tue Sun User defined 1 C3 Operation Operation manual

EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W Daikin Altherma 3 H F+W 4P644480-1 – 2020.12 2 Select Delete. Delete Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select Edit. Delete Edit Copy 3 Use the left dial to select an entry and edit the entry with the right dial. You can program up to 6 actions each day. On the bar, a high temperature has a darker colour than a low temperature.

Mon Note: To clear an action, set its time as the time of the previous action. 4 Confirm the changes. Result: The schedule for Monday is defined. The value of the last action is valid until the next programmed action. In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. To copy the schedule to the other weekdays 1 Select Monday. Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select Copy. Delete Edit Copy Result: Next to the copied day, "C" is displayed. 3 Select Tuesday. Mon Sat Wed Fri Thu Tue Sun User defined 1

4 Select Paste. Delete Edit Copy Paste Result: Mon Sat Wed Fri Thu Tue Sun User defined 1

5 Repeat this action for all other weekdays. Mon Sat Wed Fri Thu Tue Sun User defined 1

To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. 3 Use the left dial to select an entry and edit the entry with the right dial.

Sat 4 Confirm the changes. 5 Select Saturday. 6 Select Copy. 7 Select Sunday. 8 Select Paste. Result: Mon Sat Wed Fri Thu Tue Sun User defined 1 C3 Operation Operation manual

EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W Daikin Altherma 3 H F+W 4P644480-1 – 2020.12 To rename the schedule 1 Select the name of the current schedule. Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select Rename. Delete Rename Select 3 (optional) To delete the current schedule name, browse through the character list until ← is displayed, then press to remove the previous character. Repeat for each character of the schedule name. 4 To name the current schedule, browse through the character list and confirm the selected character. The schedule name can contain up to 15characters. 5 Confirm the new name. INFORMATION Not all schedules can be renamed.3 Operation Operation manual

[1] Room Room sensor offset Setpoint range Antifrost Cooling schedule Heating schedule Schedule [2] Main zone Schedule Heating schedule Setpoint mode Cooling schedule Heating WD curve Cooling WD curve [3] Additional zone Schedule Heating schedule Setpoint mode Cooling schedule Heating WD curve Cooling WD curve [4] Space heating/cooling Operation mode Operation mode schedule [5] Tank Powerful operation Comfort setpoint Eco setpoint Reheat setpoint Schedule [7] User settings Language Time/date Holiday Quiet Electricity price Gas price [8] Information Energy data Malfunction history Dealer information Sensors Actuators Operation modes About Connection status [B] User profile [C] Operation Room Space heating/cooling Tank [1.4] Antifrost Activation Room setpoint [1.5] Setpoint range Heating minimum Heating maximum Cooling minimum Cooling maximum [7.2] Time/date Hours Minutes Year Month Day Daylight savings time Format [7.3] Holiday Activation From Till [7.4] Quiet Activation Schedule [7.5] Electricity price High Medium Low Schedule [8.1] Energy data Electricity input Produced heat

Setpoint screen (*) Only applicable for reversible models, or heating only models + conversion kit INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible.4 Energy saving tips Operation manual

3.9 Installer settings: Tables to be

filled in by installer

3.9.1 Configuration wizard

Setting Fill in… System Indoor unit type (read only) Backup heater type [9.3.1] Domestic hot water [9.2.1] Emergency [9.5] Number of zones [4.4] Backup heater Voltage [9.3.2] Configuration [9.3.3] Capacity step 1 [9.3.4] Additional capacity step 2 [9.3.5] (if applicable) Main zone Emitter type [2.7] Control [2.9] Setpoint mode [2.4] Schedule [2.1] Additional zone (only if [4.4] = 1) Emitter type [3.7] Control (read only) [3.9] Setpoint mode [3.4] Schedule [3.1] Tank Heat up mode [5.6] Comfort setpoint [5.2] Eco setpoint [5.3] Reheat setpoint [5.4]

Setting Fill in… Main zone Thermostat type [2.A] Additional zone (if applicable) Thermostat type [3.A] Information Dealer information [8.3] 4 Energy saving tips Tips about room temperature

• Make sure the desired room temperature is NEVER too high (in heating mode) or too low (in cooling mode), but ALWAYS according to your actual needs. Each saved degree can save up to 6% of heating/cooling costs.

• Do NOT increase/decrease the desired room temperature to speed up space heating/cooling. The space will NOT heat up/cool down faster.

• When your system layout contains slow heat emitters (example: underfloor heating), avoid large fluctuation of the desired room temperature and do NOT let the room temperature drop too low/ rise too high. It will take more time and energy to heat up/cool down the room again.

• Use a weekly schedule for your normal space heating or cooling needs. If necessary, you can easily deviate from the schedule:

• For shorter periods: You can overrule the scheduled room temperature until the next scheduled action. Example: When you have a party, or when you are leaving for a couple of hours.

• For longer periods: You can use the holiday mode. Tips about DHWtank temperature

• Use a weekly schedule for your normal domestic hot water needs (only in scheduled mode).

• Program to heat up the DHWtank to a preset value (Comfort = higher DHW tank temperature) during the night, because then space heating demand is lower.

• If heating up the DHW tank once at night is not sufficient, program to additionally heat up the DHWtank to a preset value (Eco = lower DHWtank temperature) during the day.

• Make sure the desired DHW tank temperature is NOT too high. Example: After installation, lower the DHWtank temperature daily by 1°C and check if you still have enough hot water.

• Program to turn ON the domestic hot water pump only during periods of the day when instant hot water is necessary. Example: In the morning and evening. 5 Maintenance and service

5.1 Overview: Maintenance and

service The installer has to perform a yearly maintenance. You can find the contact/helpdesk number via the user interface. As enduser, you have to:

• Keep the area around the unit clean.

• Keep the user interface clean with a soft damp cloth. Do NOT use any detergents.

• Regularly check if the water pressure is above 1bar. Refrigerant This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. Refrigerant type: R32 Global warming potential (GWP) value: 675 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO

equivalent. Formula to calculate the quantity in CO

equivalent tonnes: GWP value of the refrigerant × total refrigerant charge [in kg] / 1000 Please contact your installer for more information.

WARNING: FLAMMABLE MATERIAL

The refrigerant inside this unit is mildly flammable.6 Troubleshooting Operation manual

EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W Daikin Altherma 3 H F+W 4P644480-1 – 2020.12 WARNING The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). WARNING

• Do NOT pierce or burn refrigerant cycle parts.

• Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer.

• Be aware that the refrigerant inside the system is odourless. WARNING The refrigerant inside the unit is mildly flammable, but normally does NOT leak. If the refrigerant leaks in the room and comes in contact with fire from a burner, a heater, or a cooker, this may result in fire, or the formation of a harmful gas. Turn off any combustible heating devices, ventilate the room, and contact the dealer where you purchased the unit. Do NOT use the unit until a service person confirms that the part from which the refrigerant leaked has been repaired.

5.2 To find the contact/helpdesk

number 1 Go to [8.3]: Information > Dealer information. 6 Troubleshooting Contact For the symptoms listed below, you can try to solve the problem yourself. For any other problem, contact your installer. You can find the contact/helpdesk number via the user interface.

6.1 To display the help text in case of a

malfunction In case of a malfunction, the following will appear on the home screen depending on the severity:

• : Malfunction You can get a short and a long description of the malfunction as follows: 1 Press the left dial to open the main menu and go to Malfunctioning. Result: A short description of the error and the error code is displayed on the screen. 2 Press in the error screen. Result: A long description of the error is displayed on the screen.

6.2 Symptom: You are feeling too cold

(hot) in your living room Possible cause Corrective action The desired room temperature is too low (high). Increase (decrease) the desired room temperature. See "To change the desired room temperature"[47]. If the problem recurs daily, do one of the following:

• Increase (decrease) the room temperature preset value. See the user reference guide.

• Adjust the room temperature schedule. See "3.7 Schedule screen: Example"[49]. The desired room temperature cannot be reached. Increase the desired leaving water temperature in accordance with the heat emitter type. See "To change the desired leaving water temperature"[47]. The weather-dependent curve is set incorrectly. Adjust the weather-dependent curve. See the user reference guide.

6.3 Symptom: The water at the tap is

too cold Possible cause Corrective action You ran out of domestic hot water because of unusual high consumption. If you immediately need domestic hot water, activate the DHW tank Powerful operation. However, this consumes extra energy. See "Using DHW powerful operation"[48]. If the problems recurs daily, do one of the following:

• Increase the DHW tank temperature preset value. See the user reference guide.

• Adjust the DHW tank temperature schedule. Example: Program to additionally heat up the DHW tank to a preset value (Eco setpoint = lower tank temperature) during the day. See "3.7 Schedule screen: Example"[49]. The desired DHWtank temperature is too low.

6.4 Symptom: Heat pump failure

When the heat pump fails to operate, the backup heater and/or booster heater can serve as an emergency heater and either automatically or non-automatically take over the heat load.

• When auto emergency is set to Automatic and a heat pump failure occurs:

• For EHVH/X: The backup heater will automatically take over the heat load and domestic hot water production

• For EHBH/X: The backup heater will automatically take over the heat load, and the booster heater in the optional tank will automatically take over the domestic hot water production.7 Disposal Operation manual

• When auto emergency is set to Manual and a heat pump failure occurs, the domestic hot water and space heating operation will stop and need to be recovered manually via the user interface. To recover operation manually, go to the Malfunctioning main menu screen, where the user interface will then ask you to confirm whether the backup heater and/or booster heater can take over the heat load or not. When the heat pump fails, or will appear on the user interface. Possible cause Corrective action Heat pump is damaged. See "6.1To display the help text in case of a malfunction"[414]. INFORMATION When the backup heater or booster heater takes over the heat load, electricity consumption will be considerably higher.

6.5 Symptom: The system is making

gurgling noises after commissioning Possible cause Corrective action There is air in the system. Purge air from the system. (a) Various malfunctions. Check if or is displayed on the home screen of the user interface. See "6.1To display the help text in case of a malfunction"[414] for more information about the malfunction. (a) We recommend to purge air with the air purge function of the unit (to be performed by the installer). If you purge air from the heat emitters or collectors, mind the following: WARNING Air purging heat emitters or collectors. Before you purge air from heat emitters or collectors, check if or is displayed on the home screen of the user interface.

• If not, you can purge air immediately.

• If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. 7 Disposal NOTICE Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. 8 Glossary DHW = Domestic hot water Hot water used, in any type of building, for domestic purposes. LWT = Leaving water temperature Water temperature at the water outlet of the unit.Inhaltsverzeichnis Betriebsanleitung EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9WDaikin Altherma 3 H F+W4P644480-1 – 2020.12 Inhaltsverzeichnis 1 Informationen zu diesem Dokument 16 2 Über das System 17

WAARSCHUWING: ONTVLAMBAAR MATERIAAL