
5
|
Operation
User reference guide
43
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620246-1 – 2020.06
Item
Description
Y1, Y2, Y3,
Y4
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
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.
5.8.4 Using weather-dependent curves
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:
Go to setpoint mode …
Set the setpoint mode to …
Main zone – Heating
[2.4]
Main zone
>
Setpoint mode
WD heating, fixed cooling
OR
Weather dependent
Main zone – Cooling
[2.4]
Main zone
>
Setpoint mode
Weather dependent
Additional zone – Heating
[3.4]
Additional zone
>
Setpoint
mode
WD heating, fixed cooling
OR
Weather dependent
Additional zone – Cooling
[3.4]
Additional zone
>
Setpoint
mode
Weather dependent
To change the type of weather-dependent curve
To change the type for all zones (main + additional), go to [2.E]
Main zone
>
WD
curve type
.
Viewing which type is selected is also possible via [3.C]
Additional zone
>
WD
curve type
To change the weather-dependent curve
Zone
Go to …
Main zone – Heating
[2.5]
Main zone
>
Heating WD
curve
Main zone – Cooling
[2.6]
Main zone
>
Cooling WD
curve