Initial Configuration - Danfoss Optyma AK-RC 204B Installation Manual

Initial configuration

The first time the unit receives the power supply, it will enter into ASSISTANT mode. The display will show
flashing with 0.
the message
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:
Type of installation
InI
Cold regulation
0 Demo Mode: it displays the temperature but does not regulate the temperature or activate relays
1 Solenoid
2 Solenoid + compressor
3 Solenoid + compressor
4 Solenoid
5 Solenoid + compressor
6 Solenoid + compressor
7 Solenoid + compressor
8 Solenoid + compressor
9 Solenoid + compressor
10 Solenoid + compressor
11 Solenoid
12 Solenoid + compressor
13 Solenoid + compressor
* o00=2 in AK-RC 204B, o00=0 in AK-RC 205C
Note: If options 2, 5, 7, 9 or 12 are chosen, check the configuration of parameter I11 according to the pressure switch type used. (See
diagram included with the device).
Step 2:
to enter the desired Temperature Set Point value and press SET. The wizard has finished.
Use keys and
The unit will begin to regulate the temperature.
If this is not the first 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 affect the wizard. The other parameters will remain the same.
1: All parameters return to their factory setting except those which have been modified by the wizard.
Important: The wizard will not reactivate. To enter the wizard mode, initiate Stand-by mode by pressing the
wait until the unit completely halts the temperature regulation (the
sequence one after the other,
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.
© Danfoss | Climate Solutions | 2022.08
Pump Evap.
Defrost
Down fans
No Electric Yes
Yes Electric Yes
No Electric Yes
No Air Yes
Yes Air Yes
No Air Yes
Yes Hot gas Yes
No Hot gas Yes
Yes Reversed cycle Yes
No Reversed cycle Yes
No Static No
Yes Static No
No Static No
, , SET.
Parameters
o00 I00 I10 I11
Pd
0 * 2 0 0
1 1 2 7 1
0 1 2 0 0
0 * 1 0 0
1 1 1 7 1
0 1 1 0 0
1 1 2 7 1
0 1 2 0 0
1 1 2 7 1
0 1 2 0 0
0 * 1 0 0
1 1 1 7 1
0 1 1 0 0
indicator will light up permanently) and press the following keys in
I20 I21 d1 d7 F3
0 0 20 0 0
0 0 20 0 0
0 0 20 0 0
0 0 20 1 1
0 0 20 1 1
0 0 20 1 1
9 1 5 2 0
9 1 5 2 0
0 0 5 3 0
0 0 5 3 0
0 0 20 1 -
0 0 20 1 -
0 0 20 1 -
key for 3 seconds and
AN41473467835501-000102 | 3
Diagram
to be
used
A
B
B
A
B
B
C
C
D
D
A
B
B