5 Operation
Operation manual
10
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688015-1C – 2022.09
a
2
Main zone
Additional zone
Room
Malfunctioning
Space heating/cooling
a
Selected submenu
Possible actions on this screen
Go through the list.
Enter the submenu.
Enable/disable breadcrumbs.
Submenu
Description
[0]
or
Malfunctioning
Restriction:
Only displayed if a
malfunction occurs.
"8.1 To display the help text in
17] for more
information.
[1]
Room
Restriction:
Only displayed if a
dedicated Human Comfort Interface
(BRC1HHDA used as room
thermostat) is controlling the outdoor
unit.
Set the room temperature.
[2]
Main zone
Shows the applicable symbol for your
main zone emitter type.
Set the leaving water temperature for
the main zone.
[3]
Additional zone
Restriction:
Only displayed if there
are two leaving water temperature
zones. Shows the applicable symbol
for your additional zone emitter type.
Set the leaving water temperature for
the additional zone (if present).
[4]
Space heating/
cooling
Shows the applicable symbol of your
unit.
Put the unit in heating mode or cooling
mode. You cannot change the mode
on cooling only models.
[7]
User settings
Gives access to user settings such as
holiday mode and quiet mode.
[8]
Information
Displays data and information about
the outdoor unit.
[9]
Installer
settings
Restriction:
Only for the installer.
Gives access to advanced settings.
[A]
Commissioning
Restriction:
Only for the installer.
Perform tests and maintenance.
[B]
User profile
Change the active user profile.
[C]
Operation
Turn heating/cooling functionality on or
off.
[D]
Wireless
gateway
Restriction:
Only displayed if a
wireless LAN (WLAN) is installed.
Contains settings needed when
configuring the ONECTA app.
5.3.3
Setpoint screen
The setpoint screen is displayed for screens describing system
components that need a setpoint value.
Examples
[1] Room temperature screen
+
–
21
°C
1
Room
[2] Main zone screen
+
–
20
°C
2
Main zone
[3] Additional zone screen
+
–
12
°C
3
Additional zone
Explanation
a1
d
+
–
d
e
d
e
c
a2
b1
b2
Possible actions on this screen
Go through the list of the submenu.
Go to the submenu.
Adjust and automatically apply the desired
temperature.
Item
Description
Minimum temperature limit
a1
Fixed by the unit
a2
Restricted by the installer
Maximum temperature limit
b1
Fixed by the unit
b2
Restricted by the installer
Current temperature
c
Measured by the unit
Desired temperature
d
Turn the right dial to
increase/decrease.
Submenu
e
Turn or press the left dial to
go to the submenu.
5.3.4
Detailed screen with values
Example:
a
b
c
a
b
c
7.2.1
Time/date
Hours
11
30
Minutes
a
Settings
b
Values
c
Selected setting and value
Possible actions on this screen
Go through the list of settings.
Change the value.
Go to the next setting.
Confirm changes and proceed.
