Danfoss Optyma AK-RC 205C User Manual

© Danfoss | Climate Solutions | 2022.08
AN41473467835501-000102 | 5
Defrost
Evaporator fans
Alarms
Level 1 Level 2 Description Values Min. Def. Max.
dEF
d0 Defrost frequency (Time between 2 starts) H. 0 6 96
d1 Maximum defrost duration (0=defrost deactivated) Min. 0 * 255
d2
Type of message during the defrost:
0=Displays the real temperature; 1=Displays the temperature at the start of
the defrost; 2=Displays the dEF message
0 2 2
d3
Maximum duration of the message
(Time added at the end of the defrost process)
Min. 0 5 255
d4 Final defrost temperature (by probe) (If I00 ≠ 1) °C/°F -50 8.0 50
d5
Defrost on connecting the unit:
0=NO First defrost according to d0; 1=YES, First defrost according to d6
0 0 1
d6 Delay of the defrost start on connecting the unit Min. 0 0 255
d7
1)
Type of defrost:
0=Resistors; 1=Air/fans, 2=Hot gas; 3=Reversal of cycle
0 * 3
d8
Count of time between defrost periods:
0=Total real time, 1 =Sum of compressor connected time
0 0 1
d9 Drip time when completing defrost (Shutdown of compressor and fans) Min. 0 1 255
EP Exit to level 1
Level 1 Level 2 Description Values Min. Def. Max.
FAn
F0 Shutdown temperature of fans °C/°F -50 45 50
F1 Probe 2 dierential if fans are shut down °C/°F 0.1 2.0 20.0
F2 Shut down fans when the compressor shuts down: 0=No, 1=Yes 0 0 1
F3 Status of the fans during the defrost: 0=Shut down; 1=Running 0 0 1
F4
Delay of start-up after defrost (If F3=0)
It will only actuate if it is higher than d9
Min. 0 2 99
EP Exit to level 1
Level 1 Level 2 Description Values Min. Def. Max.
AL
A0 Conguration of the temperature alarms: 0=Relative to SP, 1=Absolute 0 1 1
A1 Alarm for maximum in probe 1 (It should be higher than the SP) °C/°F A2 99 99
A2 Alarm for minimum in probe 1 (It should be lower than the SP) °C/°F -50 -50 A1
A3 Delay of temperature alarms in the start-up Min. 0 0 120
A4 Delay of temperature alarms from the end of a defrost Min. 0 0 99
A5 Delay of temperature alarms from when the A1 or A2 value is reached 0 30 99
A6
Delay of the external alarm/Severe external alarm on receiving a signal in
digital input (I10 or I20 = 2 or 3)
Min. 0 0 120
A7
Delay of external alarm deactivation/Severe external alarm deactivation
when the signal in digital input disappears (I10 or I20 = 2 or 3)
Min. 0 0 120
A8 Show warning if the defrost ends for maximum time: 0=No, 1=Yes 0 0 1
A9
Relay alarm polarity
0= Relay ON in alarm (OFF without alarm); 1= Relay OFF in alarm (ON
without alarm)
0 0 1
A10 Dierential of temperature alarms (A1 and A2) °C/°F 0.1 1.0 20.0
A12 Delay of open door alarm (If I10 or I20=1) Min. 0 10 120
EP Exit to level 1
* According to wizard.
1)
It can only be modied using the conguration wizard (InI).

Danfoss Optyma AK-RC 205C Specifications

General

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