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4 Operation

User reference guide

10

EHVZ04~16S18CB

Daikin Altherma – Low temperature split

4P401674-1 – 2015.02

4.4.9

Leaving water temperature control - Using
leaving water temperature control NOT
according to a schedule

To adjust the leaving water temperature (main)

1

Go  to  the  main  leaving  water  temperature  home  page  (LWT
main).

2

Press 

 or 

 to adjust. 

Example: 

 

35°C 37°C

To adjust the leaving water temperature
(additional)

1

Go  to  the  additional  leaving  water  temperature  home  page
(LWT add).

2

Press 

 or 

 to adjust. 

Example: 

45°C 47°C

INFORMATION

In  case  of  weather  dependency,  an  offset  value  can  be
modified.

4.4.10

External room thermostat control - About
external room thermostat control

External  room  thermostat  control  means  that  you  control  the
following:

▪ Room temperature on the external thermostat control

▪ Leaving water temperature on the user interface (Daikin)

To control the leaving water temperature, you can do the following:

You can…

Location

Read out

 the desired leaving water

temperature

.

Leaving water
temperature home
pages (main +
additional)

Adjust 

the desired leaving water

temperature.

Only change this if the desired room
temperature cannot be reached.

See also: 

"4.4.6 Room thermostat control - Using the leaving water

temperature home pages" on page 8

4.4.11

External room thermostat control - Using
external room thermostat control

To adjust the leaving water temperature (main)

1

Go  to  the  main  leaving  water  temperature  home  page  (LWT
main).

2

Press 

 or 

 to adjust. 

Example: 

 

35°C 37°C

To adjust the leaving water temperature
(additional)

1

Go  to  the  additional  leaving  water  temperature  home  page
(LWT add).

2

Press 

 or 

 to adjust. 

Example: 

45°C 47°C

INFORMATION

In  case  of  weather  dependency,  an  offset  value  can  be
modified.

4.5

Domestic hot water control

4.5.1

About domestic hot water control

▪ Reheat mode

▪ Scheduled mode

▪ Sch reheat mode

INFORMATION

In  case  of  error  code  AH  and  no  interruption  of  the
disinfection  function  occurred  due  to  domestic  hot  water
tapping, following actions are recommended:

▪ When  the  Domestic  hot  water  >  Type  >  Reheat  or

Reheat  +  sched.  is  selected,  it  is  recommended  to
program the start-up of the disinfection function at least
4  hours  later  than  the  last  expected  large  hot  water
tapping.  This  start-up  can  be  set  by  installer  settings
(disinfection function).

▪ When the Domestic hot water > Type > Scheduled only

is  selected,  it  is  recommended  to  program  a  Storage
eco  3  hours  before  the  scheduled  start-up  of  the
disinfection function to preheat the tank.

To determine which DHW tank mode you are using (method 1)

Check the installer settings table filled in by the installer.

To determine which DHW tank mode you are using (method 2)

Prerequisite: 

User profile = Detailed.

1

Go to the DHW tank temperature home page (Tank).

2

Check which icons are displayed:

If… is displayed

Then the DHW tank mode =…

Reheat mode

Scheduled mode

 

Sch reheat mode

4.5.2

Reheat mode

In  reheat  mode  ( ),the  DHW  tank  continuously  heats  up  to  the
temperature  shown  on  the  DHW  tank  temperature  home  page
(example: 50°C).

t

60°C

00:00

07:00

50°C

15°C

40°C

14:00

21:00

1

2

3

4

Tt

T

t

DHW tank temperature

t

Time

INFORMATION

There is a risk of space heating capacity shortage/comfort
problem (in case of frequent domestic hot water operation,
frequent  and  long  space  heating  interruption  will  happen)
when  selecting  [6‑0D]=0  ([A.4.1]  Domestic  hot  water
Type=Reheat only).

Содержание Altherma EHVZ08S18CB

Страница 1: ...User reference guide Daikin Altherma Low temperature split English User reference guide Daikin Altherma Low temperature split EHVZ04S18CB EHVZ08S18CB EHVZ16S18CB...

Страница 2: ...ctions 15 4 7 Preset values and schedules 16 4 7 1 Using preset values 16 4 7 2 Using and programming schedules 16 4 7 3 Schedules Example 17 4 7 4 Predefined schedules Room temperature leaving water...

Страница 3: ...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 Thank you for purch...

Страница 4: ...taller settings 4 2 The user interface at a glance 4 2 1 Buttons a e f b d c a HOME PAGES Switches between home pages when you are on a home page Goes to the default home page when you are in the menu...

Страница 5: ...water temperature LWT add DHW tank temperature Tank To go to a home page 1 Press Result One of the home pages is displayed 2 Press again to display the next home page if any 4 3 2 Using the menu struc...

Страница 6: ...emperature 2 Check the following If Then the temperature control is Main zone Additional zone if any Room temperature is listed under 6 1 Information Sensor information Room thermostat control Go to n...

Страница 7: ...d temperature 22 0 C Desired temperature To temporarily overrule the room temperature schedule 1 Go to the room temperature home page Room 2 Use or to adjust the temperature To change the mode from sc...

Страница 8: ...mfort will be used until 02 00 After that the schedule will be used again Usage example You go away for a couple of hours If you are in the following situation You are using the following room tempera...

Страница 9: ...ess or to adjust overrule To adjust the leaving water temperature additional 1 Go to the additional leaving water temperature home page LWT add 2 Press or to adjust Example 45 C 47 C INFORMATION In ca...

Страница 10: ...temperature home page LWT add 2 Press or to adjust Example 45 C 47 C INFORMATION In case of weather dependency an offset value can be modified 4 5 Domestic hot water control 4 5 1 About domestic hot w...

Страница 11: ...in and the DHW tank temperature decreases again At 00 00 the next day the cycle repeats In scheduled mode you can do the following You can Location Read out the active or next scheduled desired temper...

Страница 12: ...ode About the DHW tank booster mode You can use the DHW tank booster mode to immediately start heating up the water to the preset value Storage comfort However this consumes extra energy To check if t...

Страница 13: ...F to ensure the heating capacity of the system However during the afternoon the baby is sleeping and you want it to be quiet Then you can do the following Prerequisite You switched the permission leve...

Страница 14: ...lect No and press Usage example You go away during the winter If you are in the following situation In 2 days you go away for 2 weeks during the winter You want to save energy but prevent your house f...

Страница 15: ...30 Actual temperature Room Scheduled Mon Tue To configure which home pages are made available to the end user Prerequisite You switched the permission level to Advanced end user 1 Go to 7 1 4 User set...

Страница 16: ...alue Eco preset value Custom temperature Main leaving water temperature Additional leaving water temperature Program when the additional leaving water temperature is turned ON and OFF Control Possible...

Страница 17: ...and press 2 Select User defined 1 User defined 2 or User defined 3 and press 3 Change the name and press Only applicable for room temperature schedules Example MyWeekSchedule To select which schedule...

Страница 18: ...Set weather dependent 2 For main leaving water temperature zone 7 7 1 modify with and confirm with 3 If applicable for additional leaving water temperature zone 7 7 2 modify with and confirm with Set...

Страница 19: ...Error handling User permission level Actuators Operation modes Running hours Version Energy metering Consumed elec Produced energy Error information Error history Contact helpdesk number Version User...

Страница 20: ...the DHW tank booster mode is active the risk of space heating and capacity shortage comfort problems is significant In case of frequent domestic hot water operation frequent and long space heating in...

Страница 21: ...eck the warning history Prerequisite Only available if is displayed on the home pages 1 Go to 6 3 1 Information Error handling Warning history 7 4 Symptom You are feeling too cold hot in your living r...

Страница 22: ...et of the heat pump Dealer Sales distributor for the product Authorized installer Technical skilled person who is qualified to install the product User Person who is owner of the product and or operat...

Страница 23: ......

Страница 24: ...4P401674 1 2015 02 Copyright 2015 Daikin...

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