Danfoss AK-RC 251 Guia De Instalacion página 2

Keypad
Pressing it for 3 seconds activates/deactivates Stand-By mode. In this mode, regulation is paused and the
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 different 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 different 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 effective value of the Set Point, taking into consideration temporary modifications 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 defined in parameter A12.
There is an active alarm, but not an active HACCP alarm.
Fixed: HACCP alarm active.
Flashing: HACCP alarm registered and unconfirmed. Press the
Fixed: Evaporator fans active.
Flashing: The evaporator fans should be active but a delay is preventing this.
(Refer to the Drip time section of the Manual for details).
Fixed: The cold solenoid is active.
Flashing: The solenoid should be active but a delay or protection is preventing this.
(Refer to the Fan start-up section of the Manual for details).
Fixed: Compressor active.
Flashing: The compressor should be active but a delay or protection is preventing this.
(Refer to the Compressor Protection timing section of the Manual for details).
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 configuration, a controlled stop process starts and the
icon flashes. To stop the controlled stop process and force the step to Stand-by, press the Stand-by key again for 3 seconds.
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key to confirm an HACCP alarm.
icon is displayed.
© Danfoss | DCS (vt) | 2021.02