Danfoss Optyma AK-RC 205C User Manual

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© Danfoss | Climate Solutions | 2022.08
Keypad
Pressing it for 3 seconds activates/deactivates Stand-by mode. In this mode, regulation is paused and the icon is displayed.
In the programming menu, this exits the parameter without saving changes, returns to previous level or exits programming.
Pressing once displays the temperature of probe S2 for 10 seconds (If it is enabled).
Pressing it for 3 seconds starts/stops the defrost.
In the programming menu, this allows scrolling around the dierent levels, or, during the setting of a parameter, changing its
value.
Pressing it for 3 seconds activates/deactivates continuous cycle mode.
In the programming menu, this allows scrolling around the dierent levels, or, during the setting of a parameter, changing its
value.
Pressing once activates/deactivates the cold room light.
Pressing it for 3 seconds accesses the condensed programming menu.
Pressing it for 6 seconds accesses the expanded programming menu.
In the programming menu, this accesses the level shown on the display or, during the setting of a parameter, accepts the new
value.
Pressing once displays the current eective value of the Set Point, taking into consideration temporary modications by other
parameters (C10 or C12).
When an alarm is underway, pressing once mutes the acoustic alarm. Pressing for 3 seconds accesses the Set Point setting.
Indicators
Fixed: Stand-by mode activated. Regulation is paused.
Flashing: Controlled shutdown process for the regulation underway.
Fixed: Cold room door open.
Flashing: The door has been open for a greater time than has been dened in parameter A12.
There is an active alarm, but not an active HACCP alarm.
Fixed: HACCP alarm active.
Flashing: HACCP alarm registered and unconrmed. Press the key to conrm an HACCP alarm.
Fixed: Evaporator fans active.
Flashing: The evaporator fans should be active but a delay is preventing this.
Fixed: The cold solenoid is active.
Flashing: The solenoid should be active but a delay or protection is preventing this.
Fixed: Compressor active.
Flashing: The compressor should be active but a delay or protection is preventing this.
Defrost relay active.
Continuous cycle mode active.
Cold room light active.
Alarm underway muted.
Temperature displayed in ° Fahrenheit / ° Centigrade.
Programming mode active.
STAND-BY
If the temperature regulation cannot be instantly stopped due to its conguration, a controlled stop process starts and the
icon ashes. To stop the controlled stop process and force the step to Stand-by, press the Stand-by key again for 3 seconds.

Danfoss Optyma AK-RC 205C Specifications

General

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