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Operation
User reference guide
41
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620246-1 – 2020.06
▪
2-points curve
▪
Slope-offset curve
Which type of curve you use to make adjustments, depends on your personal
preference. See
"5.8.4 Using weather-dependent curves"
43].
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
"5.8.4 Using weather-dependent curves"
5.8.2 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
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
Possible actions on this screen
Go through the temperatures.
Change the temperature.
Go to the next temperature.
Confirm changes and proceed.