Danfoss Optyma AK-RC 205C User Manual

© Danfoss | Climate Solutions | 2022.08
AN41473467835501-000102 | 3
Initial conguration
The rst time the unit receives the power supply, it will enter into ASSISTANT mode. The display will show
the message ashing with 0.
Step 1:
Select the most suitable InI option based on the type of installation to be carried out and press SET. The
available options will be shown in the following table:
Step 2:
Use keys and to enter the desired Temperature Set Point value and press SET. The wizard has nished.
The unit will begin to regulate the temperature.
If this is not the rst time you use the wizard, after completing the last step the display will show the
message dFp (default parameters). You may choose between two options:
0: Only changing the parameters which aect the wizard. The other parameters will remain the same.
1: All parameters return to their factory setting except those which have been modied by the wizard.
Important: The wizard will not reactivate. To enter the wizard mode, initiate Stand-by mode by pressing the key for 3 seconds and
wait until the unit completely halts the temperature regulation (the indicator will light up permanently) and press the following keys in
sequence one after the other, , , SET.
Warning: If the pump down function is active, a certain amount of time may elapse between starting the stand-by function and the
controller stopping.
Note: If options 2, 5, 7, 9 or 12 are chosen, check the conguration of parameter I11 according to the pressure switch type used. (See
diagram included with the device).
* o00=2 in AK-RC 204B, o00=0 in AK-RC 205C
InI
Type of installation Parameters
Diagram
to be
used
Cold regulation
Pump
Down
Defrost
Evap.
fans
Pd
o00 I00 I10 I11 I20 I21 d1 d7 F3
0 Demo Mode: it displays the temperature but does not regulate the temperature or activate relays
1 Solenoid No Electric Yes 0 * 2 0 0 0 0 20 0 0 A
2 Solenoid + compressor Yes Electric Yes 1 1 2 7 1 0 0 20 0 0 B
3 Solenoid + compressor No Electric Yes 0 1 2 0 0 0 0 20 0 0 B
4 Solenoid No Air Yes 0 * 1 0 0 0 0 20 1 1 A
5 Solenoid + compressor Yes Air Yes 1 1 1 7 1 0 0 20 1 1 B
6 Solenoid + compressor No Air Yes 0 1 1 0 0 0 0 20 1 1 B
7 Solenoid + compressor Yes Hot gas Yes 1 1 2 7 1 9 1 5 2 0 C
8 Solenoid + compressor No Hot gas Yes 0 1 2 0 0 9 1 5 2 0 C
9 Solenoid + compressor Yes Reversed cycle Yes 1 1 2 7 1 0 0 5 3 0 D
10 Solenoid + compressor No Reversed cycle Yes 0 1 2 0 0 0 0 5 3 0 D
11 Solenoid No Static No 0 * 1 0 0 0 0 20 1 - A
12 Solenoid + compressor Yes Static No 1 1 1 7 1 0 0 20 1 - B
13 Solenoid + compressor No Static No 0 1 1 0 0 0 0 20 1 - B

Danfoss Optyma AK-RC 205C Specifications

General

Brand	Danfoss
Model	Optyma AK-RC 205C
Category	Temperature Controller
Language	English