Using Weather-Dependent Curves - Daikin ETVH16UE6V7 Installer's Reference Manual

10 | Configuration

10.4.4 Using weather-dependent curves

Installer reference guide
156
a
Y4
Y3
Y2
Y1
Item
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, Examples of desired tank temperature or leaving water
Y4 temperature. The icon corresponds to the heat emitter for that
zone:
▪ : Underfloor heating
▪ : Fan coil unit
▪ : Radiator
▪ : Domestic hot water tank
Select slope or offset.
Increase or decrease the slope/offset.
When slope is selected: set slope and go to offset.
When offset is selected: set offset.
Confirm changes and return to the submenu.
Configure weather-dependent curves as following:
To define the setpoint mode
To use the weather-dependent curve, you need to define the correct setpoint
mode:
b
X1 X2
Description
Possible actions on this screen
c
e
d
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10