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Quick guide
User reference guide
13
08S18+23EA
Daikin Altherma 3 R F
4P629094-1A – 2021.02
2
Adjust the desired leaving water temperature.
+
–
35
°C
2
a
b
Main zone
+
–
45
°C
3
a
b
Additional zone
a
Actual leaving water temperature
b
Desired leaving water temperature
To change the weather-dependent curve for the space heating/cooling zones
1
Go to the applicable zone:
Zone
Go to …
Main zone – Heating
[2.5]
Main zone
>
Heating WD
curve
Main zone – Cooling
[2.6]
Main zone
>
Cooling WD
curve
Additional zone – Heating
[3.5]
Additional zone
>
Heating
WD curve
Additional zone – Cooling
[3.6]
Additional zone
>
Cooling
WD curve
2
Change the weather-dependent curve.
There are 2 types of WD curves:
slope-offset curve
(default), and
2-points
curve
. If needed, you can change the type in [2.E]
Main zone
>
WD curve
type
. The way to adjust the curve depends on the type.
Slope-offset curve
Slope.
When slope is changed, the new
preferred temperature at X1 is
unequally higher than the preferred
temperature at X2.
X1
X2
c
d
Y1
Y2
Y3
Y4
a
b
Offset
. When offset is changed, the new
preferred temperature at X1 is equally
higher as the preferred temperature at
X2.
Y1
Y2
Y3
Y4
X1
X2
a
b
c
d
X1, X2
Outdoor ambient temperature
Y1~Y4
Desired leaving water temperature
a
WD curve before changes
b
WD curve after changes
c
Slope
d
Offset
