Operating the Chiller Control
When the air-conditioning is connected to electrical power, the system initializes itself. The display
shows
Init
and afterwards the frequency, e.g.
50 Hz
.
Starting
Press once the
button.
On
is displayed and after appr. 20 sec. the current room temperature, e.g.
28.5
(°C) (83°F) is shown. Depending on the room and set-point
temperature the appropriate mode will start. Mode indication by LED.
→
A malfunction is indicated by a blinking error code (see below)
→
ba11
is no error code that causes a system stop (see below)
Setting the
Temperature
With the buttons and between 15°C (59°F) and 29°C (84°F) while the
room-temperature is displayed.
e.g. room temperature 25° C (77°F)
Set temperature = 20°C (68°F), Cool mode starts.
Set temperature = 29°C (84°F), Heat mode starts.
Setting the Blower
Speed
Press the button
until
b
is shown to the left and the selected value to the
right, e.g.
b 5
(
Blower speed 5)
•
Value Range (Blower speeds):
1-2-3-4-5
and
A
•
Factory Setting:
A
(Automatic Blower Speed)
Program with the buttons and . Confirm by pressing the
button.
Secure your setting by pressing the
button. The display shows
memo
and then the room-temperature.
→
In the automatic blower speed mode (
b A)
the blower start and
operation depends on the temperature. If there is no need for blower
operation, the display shows
ba11
. It can take some time before the blower
starts.
→
The manual blower speed mode (
1 to 5
) is indicated by the LED
„Manual blower operation“.
Displaying the
chilled water
temperature
Press the
button until
H
is shown to the left and a numerical value to the
right, e.g.
H10.5
. Check if the current operation mode is functioning
properly.
→
Cool mode (LED snow flake) = Evaporator temperature drops constantly
→
Heat mode (LED sun) = Evaporator temperature rises constantly.
Access to further
program levels
Press the
button until
code
is displayed. With a special access code
specific settings can be modified (by the installer).
Further information can be found in the installation manual.
