8 Configuration
Installation manual
33
EWAA004~008D2 + EWYA004~008D2
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688014-1A – 2022.05
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
Additional zone – Heating
[3.5]
Additional zone
>
Heating WD curve
Additional zone – Cooling
[3.6]
Additional zone
>
Cooling WD curve
INFORMATION
Maximum and minimum setpoints
You cannot configure the curve with temperatures that are
higher or lower than the set maximum and minimum
setpoints for that zone. When the maximum or minimum
setpoint is reached, the curve flattens out.
To fine-tune the weather-dependent curve: slope-offset curve
The following table describes how to fine-tune the weather-
dependent curve of a zone:
You feel …
Fine-tune with slope and
offset:
At regular outdoor
temperatures …
At cold outdoor
temperatures …
Slope
Offset
OK
Cold
↑
—
OK
Hot
↓
—
Cold
OK
↓
↑
Cold
Cold
—
↑
Cold
Hot
↓
↑
Hot
OK
↑
↓
Hot
Cold
↑
↓
Hot
Hot
—
↓
To fine-tune the weather-dependent curve: 2-points curve
The following table describes how to fine-tune the weather-
dependent curve of a zone:
You feel …
Fine-tune with
setpoints:
At regular outdoor
temperatures …
At cold outdoor
temperatures …
Y2
(a)
Y1
(a)
X1
(a)
X2
(a)
OK
Cold
↑
—
↑
—
OK
Hot
↓
—
↓
—
Cold
OK
—
↑
—
↑
Cold
Cold
↑
↑
↑
↑
Cold
Hot
↓
↑
↓
↑
Hot
OK
—
↓
—
↓
Hot
Cold
↑
↓
↑
↓
Hot
Hot
↓
↓
↓
↓
(a)
See
8.4
Settings menu
You can set additional settings using the main menu screen and its
submenus. The most important settings are presented here.
8.4.1
Main zone
Ext thermostat type
Only applicable in external room thermostat control.
NOTICE
If an external room thermostat is used, the external room
thermostat will control the room frost protection. However,
the room frost protection is only possible if [C.2]
Space
heating/cooling
=
On
.
#
Code
Description
[2.A]
[C–05]
External room thermostat type for the
main zone:
▪ 1:
1 contact
: The used external room
thermostat can only send a thermo
ON/OFF condition. There is no
separation between heating or cooling
demand.
▪ 2:
2 contacts
: The used external
room thermostat can send a separate
heating/cooling
thermo
ON/OFF
condition.
8.4.2
Additional zone
Ext thermostat type
Only applicable in external room thermostat control. For more info
about the functionality, see
33].
#
Code
Description
[3.A]
[C–06]
External room thermostat type for the
additional zone:
▪ 1:
1 contact
▪ 2:
2 contacts
8.4.3
Information
Dealer information
The installer can fill in his contact number here.
#
Code
Description
[8.3]
N/A
Number that users can call in case of
problems.
