Daikin ALTHERMA, User Reference Manual

4 Operation

User reference guide

10

EGSQH10S18AA9W

Daikin Altherma ground source heat pump

4P351749-1D – 2016.09

You can…

Location

Read out

 the desired leaving water

temperature

 (main + additional).

Leaving water
temperature home
pages (main +
additional)

▪

Adjust/overrule

the 

leaving 

water

temperature

 (main).

▪

Adjust

  the  leaving  water 

temperature

(additional).

Select

 which leaving water temperature

schedule

 (main + additional) you want to

use.

Menu structure

Program 

leaving water temperature

schedule

 (main + additional).

Define preset values

 that are used by the

leaving water temperature schedule (main).

See also:

▪

"4.4.6  Room  thermostat  control  -  Using  the  leaving  water
temperature home pages" on page 9

▪

"4.7 Preset values and schedules" on page 15

4.4.8

Leaving water temperature control - Using
leaving water temperature control
according to a schedule

To set leaving water temperature preset values
(main)

INFORMATION

Adjusting  the  leaving  water  temperature  is  permanent
unless  the  leaving  water  temperature  is  according  to  a
schedule. In that case the overruling is valid until the next
scheduled action.

1

Go to [7.4.2]: 

 > User settings > Preset values > LWT main.

2

Press 

 or 

 to overrule. 

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.

4.4.9

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 9

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

Depending  on  the  DHW  tank  mode  (installer  setting),  you  use  a
different domestic hot water control:

▪ Reheat mode

▪ Scheduled mode

▪ Sch reheat mode