5 Operation
Operation manual
11
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620244-1B – 2021.02
1
Go to [1]:
Room
.
Room
1
2
Adjust the desired room temperature.
+
–
21
°C
1
a
b
Room
a
Actual room temperature
b
Desired room temperature
If scheduling is on after changing the desired room temperature
▪ The temperature will stay the same as long as there is no
scheduled action.
▪ The desired room temperature will return to its scheduled value
whenever a scheduled action occurs.
You can avoid scheduled behaviour by (temporarily) turning off
scheduling.
To turn off room temperature scheduling
1
Go to [1.1]:
Room
>
Schedule
.
2
Select
No
.
5.6.3
To change the desired leaving water
temperature
INFORMATION
The leaving water is the water that is sent to the heat
emitters. The desired leaving water temperature is set by
your installer in accordance with the heat emitter type.
Only adjust the leaving water temperature settings in case
of problems.
You can use the leaving water temperature setpoint screen to read
out and adjust the desired leaving water temperature.
1
Go to [2]:
Main zone
or [3]:
Additional zone
.
Main zone
2
Additional zone
3
2
Adjust the desired leaving water temperature.
+
–
20
°C
2
a
b
Main zone
+
–
12
°C
3
a
b
Additional zone
a
Actual leaving water temperature
b
Desired leaving water temperature
5.7
Schedule screen: Example
This example shows how to set a room temperature schedule in
cooling mode for the main zone.
INFORMATION
The procedures to program other schedules are similar.
To program the schedule: overview
Example:
You want to program the following schedule:
Mon
Sat
Wed
Fri
Thu
Tue
Sun
User defined 1
Prerequisite:
The room temperature schedule is only available if
room thermostat control is active. If leaving water temperature
control is active, you can program the main zone schedule instead.
1
Go to the schedule.
2
(optional) Clear the content of the whole week schedule or the
content of a selected day schedule.
3
Program the schedule for
Monday
.
4
Copy the schedule to the other weekdays.
5
Program the schedule for
Saturday
and copy it to
Sunday
.
6
Give the schedule a name.
To go to the schedule
1
Go to [1.1]:
Room
>
Schedule
.
2
Set scheduling to
Yes
.
3
Go to [1.3]:
Room
>
Cooling schedule
To clear the content of the week schedule
1
Select the name of the current schedule.
Mon
Sat
Wed
Fri
Thu
Tue
Sun
User defined 1