2-Points Curve - Daikin EWYA004D2V3P Installer's Reference Manual

11 | Configuration

11.5.2 2-points curve

Installer reference guide
124
▪

2-points curve

▪ Slope-offset curve
Which type of curve you use to make adjustments, depends on your personal
preference. See "11.5.4 Using weather-dependent
Availability
The weather-dependent curve is available for:
▪ Main zone - Heating
▪ Main zone - Cooling
▪ Additional zone - Heating
▪ Additional zone - Cooling
INFORMATION
To operate weather-dependent, correctly configure the setpoint of the main zone
and additional zone. See
Define the weather-dependent curve with these two setpoints:
▪ Setpoint (X1, Y2)
▪ Setpoint (X2, Y1)
Example
Y2
Y1
X1
Item
a Selected weather-dependent zone:
▪ : Main zone or additional zone heating
▪ : Main zone or additional zone cooling
X1, X2 Examples of outdoor ambient temperature
Y1, Y2 Examples of desired leaving water temperature. The icon
corresponds to the heat emitter for that zone:
▪ : Underfloor heating
▪ : Fan coil unit
▪ : Radiator
Go through the temperatures.
Change the temperature.
Go to the next temperature.
Confirm changes and proceed.
"11.5.4 Using weather-dependent
X2
Description
Possible actions on this screen
4
curves" [ 126].
4
curves" [ 126].
a
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09