Daikin EKHVMRD50AAV1, EKHVMRD80AAV1, EKHVMYD50AAV1, EKHVMYD80AAV1 Operation manuals

OPERATION MANUAL

Daikin Altherma indoor unit

EKHVMRD50AAV1 EKHVMRD80AAV1

EKHVMYD50AAV1 EKHVMYD80AAV1

■

ONTENTS

EKHVMRD50+80AAV1 EKHVMYD50+80AAV1

Daikin Altherma indoor unit

age

1. Deﬁnitions.................................................................................. 1

2. Introduction................................................................................ 2

2.1. General information........................................................................ 2

2.2. Scope of this manual ..................................................................... 2

3. Quick start-up of the unit ........................................................... 2

Space heating operation ................................................................ 2

Domestic water heating operation.................................................. 3

4. Operation of the unit .................................................................. 3

4.1. Remote controller buttons and icons.............................................. 3

4.2. Setting the clock............................................................................. 5

4.3. Space heating operation (h).......................................................... 5

Room temperature control ............................................................. 5

Leaving water temperature control................................................. 6

4.4. Space cooling operation (c) .......................................................... 7

Room temperature control ............................................................. 7

Leaving water temperature control................................................. 7

4.5. Domestic water heating operation (w).......................................... 8

Automatic storage .......................................................................... 8

Manual storage .............................................................................. 9

Reheat ........................................................................................... 9

Disinfection operation..................................................................... 9

4.6. Other operation modes ................................................................ 10

Start up operation (d) ........................................................... 10

Defrost operation (d) ............................................................ 10

Quiet mode operation (s) .......................................................... 10

4.7. Simultaneous demand of space heating and domestic water

heating ......................................................................................... 10

4.8. Simultaneous demand of space cooling and domestic water

heating ......................................................................................... 10

4.9. Temperature read-out mode......................................................... 10

4.10. Schedule timer operation ............................................................. 11

Space heating .............................................................................. 11

Space cooling .............................................................................. 12

Domestic water heating................................................................ 12

Quiet mode .................................................................................. 13

4.11. Programming and consulting the schedule timer......................... 13

Programming space heating ........................................................ 14

Programming space cooling......................................................... 15

Programming domestic water heating.......................................... 16

Programming quiet mode............................................................. 17

Consulting programmed actions .................................................. 18

Tips and tricks.............................................................................. 18

4.12. Operating the remote alarm option .............................................. 18

4.13. Operating the optional remote controller...................................... 18

4.14. Field settings................................................................................ 19

Procedure .................................................................................... 19

4.15. Field settings table ....................................................................... 20

5. Maintenance ............................................................................ 22

5.1. Maintenance activities.................................................................. 22

5.2. Important information regarding the refrigerant used................... 22

6. Troubleshooting ....................................................................... 22

7. Disposal requirements............................................................. 22

Thank you for purchasing this unit.

The original instructions are written in English. All other languages are translations of the original instructions.

CAREFULLY READ THESE INSTRUCTIONS BEFORE OPERATING THE UNIT. THEY WILL TELL YOU HOW TO USE THE UNIT PROPERLY. KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE.

Operation manual

This unit contains electrical and hot parts.

Before operating the unit, be sure the installation has been carried out correctly by an installer. If you feel unsure about operation, contact your installer for advice and information.

1. D

EFINITIONS

Installation manual:

Instruction manual speciﬁed for a certain product or application, explaining how to install, conﬁgure and maintain it.

Danger:

Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

Warning:

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Caution:

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

Note:

Indicates situations that may result in equipment or property-damage accidents only.

Dealer:

Sales distributor for products as per the subject of this manual.

Installer:

Technical skilled person who is qualiﬁed to install products as per the subject of this manual.

Service agent:

Qualiﬁed person who can perform or coordinate the required service to the unit.

Legislation:

All international, European, national and local directives, laws, regulations and/or codes which are relevant and applicable for a certain product or domain.

Accessories:

Equipment which is delivered with the unit and which needs to be installed according to instructions in the documentation.

Optional equipment:

Equipment which can optionally be combined to the products as per the subject of this manual.

Field supply:

Equipment which needs to be installed according to instructions in this manual, but which are not supplied by Daikin.

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 shall be supervised to ensure that they do not play with the appliance.

Operation manual

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

NTRODUCTION

2. I

2.1. General information

Thank you for purchasing this unit.

The unit is the indoor part of the air to water EMRQ heat pump. The unit is designed for ﬂoor standing indoor installation and used for heating applications. The unit can be combined with space heating radiators (ﬁeld supply) and with an EKHTS* domestic hot water tank (option).

A remote controller with room thermostat functionality is standard supplied with this unit to control your installation.

NOTE

Refer to the installation manual for the list of options.

An EKHVMRD and EKHVMYD indoor unit can only be connected to an EMRQ outdoor unit.

2.2. Scope of this manual

This manual describes how to start up and switch off the unit, set parameters and conﬁgure the schedule timer by means of the controller, maintain the unit and solve operational problems.

The installation of the indoor unit(s) is described in the indoor unit installation manual.

UICK

3. Q

In this chapter the step-by-step procedure is explained for starting up both space heating/cooling and domestic water heating.

The more detailed information of how the unit must be operated is explained in the chapter "4. Operation of the unit" on page 3.

The quick start-up offers the user the possibility to start up the system before reading the entire manual.

START

THE

UNIT

Space heating operation

Select mode heating h or

cooling c operation

Push the bi or bj button

Display:

Set desired room

temperature (e.g. 22°C)

starts

88888888....88

blinking

Push the ébi or ébj

Display: " n "

button

The remote controller

room thermostat

function is not installed

You have "room

temperature based"

control of your system

(remote controller room

thermostat is installed)

Set desired leaving water

temperature (e.g. 65°C for heating

temperature is enabled in heating

The 0 LED will light up and the unit

For further details and advised

settings, see "4.3. Space heating

operation (hh "4.4. Space cooling operation

or 18°C cooling)

If the display is blank,

automatic leaving water

operation

Push the y button

will start

)" on page 5 and

(cc

)" on page 7.

You have "leaving water

temperature based" control of

your system

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

Operation manual

■

Domestic water heating operation

Domestic water heating (only if domestic hot water tank option is installed)

Automatic storage (daily water heat-up, once during night and/or once during day)

Tu rn on ﬁeld setting [1-00] and or [1-02] and then push the rp button. See "Automatic storage" on

page 8.

Manual storage (one time water heat-up)(refer to scheme below)

Push and hold the w button for 5 seconds. See "Manual storage" on

page 9.

Reheat (continuous, keeping the minimum water temperature)

Push the w button 1 time. See "Reheat" on page 9.

Manual storage

Display: w icon starts blinking Display: " n "

Your water will be heated till

storage set point (one time action)

The p icon will display. Hot water will be produced at next scheduled action. When water heat-up starts, the w icon will be blinking (1 second interval).

The w icon will start blinking (1 second interval). Hot water will be produced.

Hot water will be produced if the domestic hot water tank temperature is below the selected value. Water will be heated up until the selected value is reached.

Push and hold the w button for

5 seconds

The domestic hot water tank is not

installed

4.1. Remote controller buttons and icons

135 6 228

21615

7 9

ON/OFF BUTTON y The ON/OFF button starts or stops the space heating/cooling. Pressing the ON/OFF button consecutively too many times may cause malfunction of the system (maximum 20 times per hour).

NOTE

Remark that pushing the y button has no inﬂuence on the domestic water heating. Domestic water heating is only switched on or off by means of the w button and/or disabling the storage schedule timer.

19 11

4 14

23 30 29 28

For further details and advised

settings, see "4.5. Domestic

water heating operation (ww

4. O

page 8

PERATION

)" on

THE

UNIT

The remote controller offers full control over your installation. It can control all heating applications which vary in capacity, electrical supply and installed equipment (options). Operating the EKHVMRD and EKHVMYD unit comes down to operating the remote controller.

NOTE

It is advised to use the remote controller, which includes room thermostat function, delivered with the unit.

This will prevent excessive space heating and will stop the outdoor and indoor unit when the room temperature is above the thermostat set point. Based on the request from the user there is an immediate feedback to the compressor control which optimizes the performance.

Refer to the typical application examples in the indoor installation manual for more details.

Never let the remote controller get wet. This may cause an electric shock or ﬁre.

Never press the buttons of the remote controller with a hard, pointed object. This may damage the remote controller.

Never inspect or service the remote controller yourself, ask a qualiﬁed service person to do this.

Do not rinse the indoor unit. This may cause electric shock or ﬁre.

Do not climb, sit or stand on top of the unit.

Do not place any objects or equipment on the unit top plate.

OPERATION LED 0 The operation LED is lit during space heating/cooling operation. The LED blinks if a malfunction occurs. When the LED is OFF, space heating/cooling is inactive while an other operation mode can still be active.

OPERATION MODE ICONS h , c , w , s These icons indicate the current operation mode(s): space heating ( h ), space cooling ( c ), domestic water heating ( w ) or quiet mode ( s ). Within limits, different modes can be combined, e.g. space heating and domestic water heating. The corresponding mode icons will be displayed simultaneously.

If the domestic hot water tank is not installed, the w icon will never be displayed.

EXTERNAL CONTROL ICON e This icon indicates that the outdoor unit is working in a forced operation. As long as this icon is displayed, the remote controller cannot be operated.

DAY OF THE WEEK INDICATOR 1234567 This indicator shows the current day of the week.

When reading or programming the schedule timer, the indicator shows the set day.

CLOCK DISPLAY 8 The clock display shows the current time.

When reading or programming the schedule timer, the clock display shows the action time.

SCHEDULE TIMER ICON p This icon indicates that the schedule timer is enabled.

ACTION ICONS  These icons indicate the programming actions for each day of the schedule timer.

OFF ICON x This icon indicates that the OFF action is selected when programming the schedule timer.

10. INSPECTION REQUIRED k and l

These icons indicate that inspection is required on the installation. Consult your dealer.

Operation manual

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

11. TEMPERATURE DISPLAY 9

The display shows the current temperature of the installation either leaving water set point temperature or actual room temperature. When changing the room temperature set point, the set point will be ﬂashing for 5 seconds and then return to the actual room temperature.

12. SETTING $

When you enter ﬁeld setting in the ﬁeld setting mode, this will be indicated. See "4.13. Operating the optional remote controller"

on page 18.

13. NOT AVAILABLE n

This icon is displayed whenever a non-installed option is addressed or a function is not available. A function not available can mean insufﬁcient permission level or can mean that a slave remote controller is used (see installation manual).

Permission

Master Slave

Operation ON/OFF ✔✔✔✔

Domestic water heating operation ON/ OFF

Setting the leaving water temperature ✔✔✔—

Setting the room temperature ✔✔✔✔

Quiet mode ON/OFF ✔✔——

Weather dependent set point operation ON/OFF

Setting the clock ✔✔——

Programming the schedule timer ✔ ———

Schedule timer operation ON/OFF ✔ — ✔✔

Field settings ✔ ———

Error code display ✔✔✔✔

Test operation ✔✔——

✔ = operable

✔✔✔✔

✔✔✔—

level 2 level 3

14. DEFROST/START UP MODE ICON d

This icon indicates that the defrost/start up mode is active.

15. COMPRESSOR ICON ç

This icon indicates that the compressor in the indoor unit of the installation is active.

16. PUMP ICON é

This icon indicates that the heating/cooling circulation pump is active.

17. OUTDOOR TEMPERATURE DISPLAY u

When this icon is ﬂashing, the outdoor ambient temperature is displayed. Refer to "4.9. Temperature read-out mode" on

page 10 for more information.

18. WEATHER DEPENDENT SET POINT ICON a

This icon indicates that the controller will adapt the leaving water temperature set point automatically, based on the outdoor ambient temperature.

19. TEMPERATURE ICON b

This icon is displayed when the actual room temperature or room temperature set point are shown. The icon is also displayed when the temperature set point is set in schedule timer programming mode. Refer to

"4.9. Temperature read-out mode" on page 10 for more

information.

20. TEST OPERATION ICON t

This icon indicates that the unit runs in test mode.

21. FIELD SET CODE ;

This code represents the code from the ﬁeld set list. Refer to the

"4.15. Field settings table" on page 20.

22. ERROR CODE :

This code refers to the error code list and is for service purposes only. Refer to the error code list in the installation manual.

23. DOMESTIC WATER HEATING BUTTON w

This button enables or disables the different domestic hot water modes in combination with the schedule timer button. This button is not used when the domestic hot water tank is not installed.

NOTE

24. WEATHER DEPENDENT SET POINT BUTTON ba

This button enables or disables the weather dependent set point function which is available in space heating operation. If the controller is set to permission level 3 (refer to "Field settings" in the installation manual), the weather dependent set point button will not be operable.

25. INSPECTION/TEST OPERATION BUTTON z

This button is used for installation purposes and changing ﬁeld settings. Refer to "4.14. Field settings" on page 19.

26. PROGRAMMING BUTTON <

This multi-purpose button is used to program the controller. The function of the button depends on the actual status of the controller or on previous actions carried out by the operator.

27. SCHEDULE TIMER BUTTON r/p

The main function of this multi-purpose button is to enable/ disable the schedule timer. The button is also used to set the clock and to program the controller. The function of the button depends on the actual status of the controller or on previous actions carried out by the operator.

28. TIME ADJUST BUTTONS pi and pj

These multi-purpose buttons are used to adjust the clock, to toggle between temperatures (water inlet/outlet temperature of the indoor unit, outdoor ambient temperature, actual room temperature and domestic hot water temperature) and in schedule timer programming mode.

29. LEAVING WATER TEMPERATURE ADJUST BUTTONS

ébi and ébj These buttons are used to adjust the leaving water temperature set point in normal operation mode or in schedule timer programming mode. If the controller is set to permission level 3 (refer to "Field settings" in the installation manual), the leaving water temperature adjust button will not be operable. In case the weather dependent set point operation is selected, the unit has a ﬂoating set point. In this case, the a icon as well as the shift value (in case not zero) will display.

30. ROOM TEMPERATURE ADJUST BUTTONS bi and bj

These multi-purpose buttons are used to adjust the current room temperature set point in normal operation mode or in schedule timer programming mode. When changing the room temperature set point, the set point value on the display will be ﬂashing. After 5 seconds the display will show to the actual room temperature.

31. QUIET MODE BUTTON s

This button enables or disables quiet mode. If the controller is set to permission level 2 or 3 (refer to "Field settings" in the installation manual), the quiet mode button will not be operable.

32. The = button is used to select the operation mode: space heating (h) or space cooling (c).

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

Operation manual

4.2. Setting the clock

After initial installation, the user can set the clock and day of the week.

The remote controller is equipped with a schedule timer that enables the user to schedule operations. Setting the clock and day of the week is required to be able to use the schedule timer.

1 Hold down the pr button for 5 seconds.

The clock read-out and the day of week indicator start ﬂashing.

2 Use the pi and pj buttons to adjust the clock.

Each time the pi or pj button is pressed, the time will increase/decrease by 1 minute. Keeping the pi or pj button pressed will increase/decrease the time by 10 minutes.

3 Use the ébi or ébj button to adjust the day of the

week.

Each time the ébi or ébj button is pressed the next or previous day is displayed.

4 Press the < button to conﬁrm the current set time and day of the

week.

To leave this procedure without saving, press the pr button. If no button is pressed for 5 minutes the clock and day of the

week will return to their previous setting.

NOTE

■ The clock needs to be set manually. Adjust the setting when switching from summertime to wintertime and vice versa.

■ If the controller is set to permission level 2 or 3 (refer to "Field settings" in the installation manual), setting the clock will not be possible.

■ A power failure exceeding 1 hour will reset the clock and the day of the week. The schedule timer will continue operation, but with a disordered clock. Therefor it will be needed to correct the clock and the day of the week.

4.3. Space heating operation (hhhh)

Space heating operation can be controlled in two different ways:

■ based on room temperature,

■ based on leaving water temperature.

The purpose of each operation and how the conﬁguration is done, is explained below.

Room temperature control

In this mode, heating will be activated as required by the room temperature set point. The set point can be set manually or through the schedule timer.

NOTE

When using room temperature control, space heating operation based on room temperature will have priority over leaving water control.

Note that it is possible that the leaving water temperature becomes higher than the set point if the unit is controlled by room temperature.

Selecting space heating operation

1 Use the y button to switch ON/OFF space heating (h).

Icon h appears on the display as well as the corresponding actual room temperature. The operation LED 0 lights up.

2 Use the bi and bj buttons to set the desired room

temperature.

Temperature range for heating: 16°C~32°C (room temperature) In order to avoid overheating, space heating is not operable when the outdoor ambient temperature rises above a certain temperature (see operation range). Refer to "4.11. Programming and consulting the schedule timer"

on page 13 for setup of the schedule timer function.

3 Use the ébi and ébj buttons to select the leaving

water temperature which you want to be used to heat up your system (for detailed information see "Leaving water temperature

control" on page 6).

Automatic setback function

Setback function provides the possibility to lower the room temperature. The setback function can for instance be activated during the night because the temperature demands during night and day are not the same.

NOTE

■ Remark that the b icon will be ﬂashing during

setback operation.

■ By default the setback function is enabled.

■ The setback function can be combined with the

automatic weather dependent set point operation.

■ Setback function is an automatic daily scheduled function.

The setback function is conﬁgured through ﬁeld settings. Refer to the chapter "4.14. Field settings" on page 19 for a detailed description how to set one or more ﬁeld settings.

■ [2-00] Status: deﬁnes whether the setback function is turned ON (1) or OFF (0)

■ [2-01] Start time: time at which setback is started

■ [2-02] Stop time: time at which setback is stopped

■ [5-03] Room setback temperature

21°C

[5-03] 18°C

[2-01] [2-02]

A Normal room temperature set point

t Time

T Temperature

NOTE

While room temperature setback function is active, leaving water setback operation is also performed (see

"Leaving water temperature control" on page 6).

Operation manual

Pay attention not to set the setback value too low, especially during colder periods (e.g. winter time). It is possible that the room temperature can not be reached (or it will take a much longer time) because of the big temperature difference.

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

Leaving water temperature control

In this mode, heating will be activated as required by the water temperature set point. The set point can be set manually or through the schedule timer or weather dependent (automatic).

Selecting space heating operation

1 Use the y button to switch ON/OFF space heating (h).

Icon h appears on the display as well as the corresponding water temperature set point. The operation LED 0 lights up.

2 Use the ébi and ébj buttons to set the desired leaving

water temperature.

Te mperature range for heating: 25°C~80°C (leaving water temperature) In order to avoid overheating, space heating is not operable when the outdoor ambient temperature rises above a certain temperature (see operation range).

Refer to "Remote controller schedule timer" for setup of the schedule timer function.

NOTE

Selecting weather dependent set point operation

When weather dependent operation is active, the leaving water temperature is determined automatically depending on the outdoor temperature: colder outdoor temperatures will result in warmer water and vice versa. The unit has a ﬂoating set point. Activating this operation will result in a lower power consumption than use with a manually ﬁxed leaving water set point.

During weather dependent operation, the user has the possibility to shift up or down the target water temperature by a maximum of 5°C. This shift value is the temperature difference between the temperature set point calculated by the controller and the real set point. E.g. a positive shift value means that the real temperature set point will be higher than the calculated set point.

It is advised to use the weather dependent set point because it adjusts the water temperature to the actual needs for space heating. It will prevent the unit from switching too much between thermo ON operation and thermo OFF operation when using the remote controller room thermostat or external room thermostat.

■ When an external room thermostat is installed, the thermo ON/OFF is determined by the external room thermostat. The remote controller is than operated in the leaving control mode and is not functioning as a room thermostat.

■ The remote controller ON/OFF status always has priority over the external room thermostat!

Field settings deﬁne the parameters for the weather dependent operation of the unit. Refer to "4.14. Field settings" on page 19 for a detailed description how to set one or more ﬁeld settings.

Lo_Ti

+ 05

Shift value

Hi_Ti

Lo_A Hi_A T

Shift value = Shift value

Target water temperature

Ambient (outdoor) temperature

– 05

■ [3-00] Low ambient temperature (Lo_A): low outdoor temperature.

■ [3-01] High ambient temperature (Hi_A): high outdoor temperature.

■ [3-02] Set point at low ambient temperature (Lo_Ti): the target outgoing water temperature when the outdoor temperature equals or drops below the low ambient temperature (Lo_A).

Note that the Lo_Ti value should be higher than Hi_Ti, as for colder outdoor temperatures (i.e. Lo_A) warmer water is required.

■ [3-03] Set point at high ambient temperature (Hi_Ti): the target outgoing water temperature when the outdoor temperature equals or rises above the high ambient temperature (Hi_A).

Note that the Hi_Ti value should be lower than Lo_Ti, as for warmer outdoor temperatures (i.e. Hi_A) less warm water sufﬁces.

NOTE

If by mistake the value of [3-03] is set higher than the value of [3-02], the value of [3-03] will always be used.

NOTE

During this operation, instead of showing the water temperature set point, the controller shows the shift value which can be set by the user.

1 Press the ba button 1 time to select weather dependent set

point operation (or 2 times when the remote controller room thermostat function is used).

Icon a appears on the display as well as the shift value. The shift value is not shown in case it is 0.

2 Use the ébi and ébj buttons to set the shift value.

Range for the shift value: –5°C to +5°C

Icon a will be displayed as long as the weather dependent set point operation is enabled.

3 Press the ba button to deactivate weather dependent set point

operation.

The ébi and ébj buttons are used to set the leaving water temperature.

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

Operation manual

Automatic setback function

NOTE

■ Remark that the b icon will be ﬂashing during

setback operation.

■ By default the setback function is enabled.

■ The setback function can be combined with the

automatic weather dependent set point operation.

■ Setback function is an automatic daily scheduled function.

The setback function is conﬁgured through ﬁeld settings. Refer to

"4.14. Field settings" on page 19 for a detailed description how to set

one or more ﬁeld settings.

■ [2-00] Status: deﬁnes whether the setback function is turned ON (1) or OFF (0)

■ [2-01] Start time: time at which setback is started

■ [2-02] Stop time: time at which setback is stopped

■ [5-02] Leaving water setback temperature (temperature drop)

65°C

5°C [5-02]

60°C

[2-01] [2-02]

A Normal leaving water temperature set point

B Leaving water temperature, including the leaving water setback

temperature

t Time

T Temperature

4.4. Space cooling operation (cccc)

Space cooling operation can be controlled in two different ways:

■ based on room temperature,

■ based on leaving water temperature.

The purpose of each operation and how the conﬁguration is done, is explained below.

Room temperature control

In this mode, cooling will be activated as required by the room temperature set point. The set point can be set manually or through the schedule timer.

NOTE

When using room temperature control, space cooling operation based on room temperature will have priority over leaving water control.

Note that it is possible that the leaving water temperature becomes lower than the set point if the unit is controlled by room temperature.

Selecting space cooling operation

1 Use the y button to switch ON/OFF space cooling (c).

Icon c appears on the display as well as the corresponding actual room temperature. The operation LED 0 lights up.

2 Use the bi and bj buttons to set the desired room

temperature.

Temperature range for cooling: 16°C~32°C (room temperature) Refer to "4.11. Programming and consulting the schedule timer"

on page 13 for setup of the schedule timer function.

3 Use the ébi and ébj buttons to select the leaving

water temperature which you want to be used to cool down your system (for detailed information see "Leaving water temperature

control" on page 6).

Leaving water temperature control

In this mode, cooling will be activated as required by the water temperature set point. The set point can be set manually or through the schedule timer.

Selecting space cooling operation

1 Use the y button to switch ON/OFF space cooling (c).

Icon c appears on the display as well as the corresponding water temperature set point. The operation LED 0 lights up.

2 Use the ébi and ébj buttons to set the desired leaving

water temperature.

Temperature range for cooling: 20°C~5°C (leaving water temperature)

Refer to "Programming space heating" on page 14, "Programming

space cooling" on page 15, "Programming domestic water heating" on page 16, and "Programming quiet mode" on page 17 for setup of

the schedule timer function.

Operation manual

NOTE

■ The remote controller ON/OFF status always has priority over the external room thermostat!

■ Setback operation and weather dependent setpoint are not available in cooling operation.

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

4.5. Domestic water heating operation (wwww)

NOTE

For the domestic water heating mode, several operations are possible:

■ storage operation (either automatic or manually set)

■ reheat operation

■ disinfection operation

The purpose of each operation, and how the conﬁguration is done, is explained below.

Domestic water heating modes

Any domestic water heating operation is impossible when the domestic hot water tank is not installed.

ABC

A Storage operation (if activated)

B Reheat operation (if activated)

C Disinfection operation (if activated)

Field settings

D Disinfection operation temperature [5-00] (e.g. 70°C)

E Hot water storage temperature [b-03] (e.g. 60°C)

F Reheat maximum water temperature [b-01] (e.g. 45°C)

G Reheat minimum water temperature [b-00] (e.g. 35°C)

t Time

T Domestic hot water tank temperature

■ [1-03] Start time: time of the day at which the domestic water should be heated.

Be aware that despite the automatic storage is a pre-programmed schedule timer, it is only active when the schedule timer is enabled. This means that you have to push the rp button and conﬁrm that the p is displayed to make sure that the automatic storage will operate.

■ [b-03] set point: storage temperature (see ﬁgure "Domestic

water heating modes" on page 8) only valid if [b-02]=0.

■ [b-02] Status: deﬁnes whether the weather dependent domestic water heating is turned ON (1) or OFF (0). If enabled, the storage set point will be set weather dependent. In case of a higher ambient temperature (e.g. during summertime), temperature of supply water to the domestic hot water tank will be higher too, so that storage temperature set point can be set lower in order to keep the overall equivalent hot water amount the same during the whole year. Therefore it is recommended to use this function.

■ [b-04] Automatic maximum domestic hot water storage temperature: default = 70°C.

[b-04]

55°C

15°C25°C

A Ambient temperature

T Domestic hot water storage temperature

NOTE

The ambient temperatures for weather dependent domestic water heating (see ﬁgure) are ﬁxed and can not be changed.

Automatic storage

In this mode, the indoor unit will deliver hot water to the domestic hot water tank based on the daily ﬁxed pattern. This mode will continue until the storage temperature set point is reached. During operation of this mode, the w icon will be blinking with 1 second intervals.

Automatic storage is the recommended domestic hot water mode. In this mode, water heats up during the night (when space heating requirements are lower) until the storage temperature set point is reached. The heated water is stored in the domestic hot water tank at a higher temperature so it can fulﬁl the domestic hot water requirements throughout the day.

NOTE

The storage temperature set point and the timing are ﬁeld settings. Refer to "4.14. Field settings" on page 19 for a detailed description how to set one or more ﬁeld settings.

■ [1-00] Status: deﬁnes whether the domestic water heating

■ [1-01] Start time: time of the night at which the domestic water

■ [1-02] Status: deﬁnes whether the domestic water heating

Remark that the w icon will only be blinking during effective automatic storage operation. Presence of the permanently lit w icon does not mean that automatic storage is enabled, but only means that reheat is enabled.

During operation it is always possible to cancel the operation by pushing the w button once.

Be aware that after pushing the w button, it is possible that the permanently lit w icon still displays.

(storage mode) during night is enabled (1) or not (0).

should be heated.

(storage mode) during daytime is enabled (1) or not (0).

NOTE

If weather dependent domestic water heating is enabled [b-02], the storage temperature will be set automatically and the ﬁeld setting [b-03] will be of no importance.

■ Make sure the domestic hot water is only heated up to the domestic hot water temperature you require. Start with a low domestic hot water storage temperature set point, and only increase if you feel that the domestic hot water supply temperature is not sufﬁcient for your needs (this depends on your water using pattern).

■ Make sure the domestic hot water is not heated unnecessary. Start with activating automatic storage during night (default setting). If it seems that the domestic hot water night storage operation is not sufﬁcient for your needs, an additional storage during daytime can be set.

■ For energy-saving purposes, it is advised to enable the weather dependent domestic water heating.

EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1

Daikin Altherma indoor unit

4PW61264-1 – 06.2010

Operation manual

+ 19 hidden pages