Daikin Altherma 3 H HT F Series, Installation Manual

6 Configuration

Installation manual

22

ETVH/9W(G)

Daikin Altherma 3 H HT F

4P586454-1 – 2019.07

Availability

The weather-dependent curve is available for:

▪ Main zone - Heating

▪ Main zone - Cooling

▪ Additional zone - Heating

▪ Additional zone - Cooling

▪ Tank

INFORMATION

To  operate  weather  dependent,  correctly  configure  the
setpoint  of  the  main  zone,  additional  zone  or  tank.  See

"6.3.4 Using weather-dependent curves" 

[

4

 23].

6.3.2

2-points curve

Define the weather-dependent curve with these two setpoints:

▪ Setpoint (X1, Y2)

▪ Setpoint (X2, Y1)

Example

Y1

Y2

X1

X2

a

Item

Description

a

Selected weather dependent zone:

▪

: Main zone or additional zone heating

▪

: Main zone or additional zone cooling

▪

: Domestic hot water

X1, X2

Examples of outdoor ambient temperature

Y1, Y2

Examples of desired tank temperature or leaving water
temperature. The icon corresponds to the heat emitter
for that zone:

▪

: Underfloor heating

▪

: Fan coil unit

▪

: Radiator

▪

: Domestic hot water tank

Possible actions on this screen

Go through the temperatures.

Change the temperature.

Go to the next temperature.

Confirm changes and proceed.

6.3.3

Slope-offset curve

Slope and offset

Define the weather-dependent curve by its slope and offset:

▪ Change  the 

slope

  to  differently  increase  or  decrease  the

temperature  of  the  leaving  water  for  different  ambient
temperatures.  For  example,  if  leaving  water  temperature  is  in

general  fine  but  at  low  ambient  temperatures  too  cold,  raise  the
slope  so  that  leaving  water  temperature  is  heated  increasingly
more at decreasingly lower ambient temperatures.

▪ Change  the 

offset

  to  equally  increase  or  decrease  the

temperature  of  the  leaving  water  for  different  ambient
temperatures. For example, if leaving water temperature is always
a bit too cold at different ambient temperatures, shift the offset up
to  equally  increase  the  leaving  water  temperature  for  all  ambient
temperatures.

Examples

Weather-dependent curve when slope is selected:

X1

X2

c

d

e

Y1

Y2

Y3

Y4

a

b

Weather-dependent curve when offset is selected:

Y1

Y2

Y3

Y4

X1

X2

a

b

c

d

e

Item

Description

a

WD curve before changes.

b

WD curve after changes (as example):

▪ When  slope  is  changed,  the  new  preferred

temperature  at  X1  is  unequally  higher  than  the
preferred temperature at X2.

▪ When  offset  is  changed,  the  new  preferred

temperature  at  X1  is  equally  higher  as  the  preferred
temperature at X2.

c

Slope

d

Offset

e

Selected weather dependent zone:

▪

: Main zone or additional zone heating

▪

: Main zone or additional zone cooling

▪

: Domestic hot water

X1, X2

Examples of outdoor ambient temperature

Y1, Y2,

Y3, Y4

Examples of desired tank temperature or leaving water
temperature. The icon corresponds to the heat emitter
for that zone:

▪

: Underfloor heating

▪

: Fan coil unit

▪

: Radiator

▪

: Domestic hot water tank