Danfoss AK-CC 550B User Manual

AK-CC 550B Manual RS8GL302 © Danfoss 2016-03 23
Case shutdown
Service Service
Temperature measured with S5 sensor u09 S5 temp.
Status on DI1 input. on/1=closed u10 DI1 status
Read the duration of the ongoing defrost or the duration of the last completed
defrost.
u11 Defrost time
Temperature measured with S3 sensor u12 S3 air temp
Status at the day-/night operation (night operation: on/o) u13 Night Cond.
Temperature measured with S4 sensor u16 S4 air temp
Thermostat temperature u17 Ther. air
Read the ongoing cutin time for the thermostat or the duration of the last com-
pleted cutin
u18 Ther runtime
Read the temperature at the S2 sensor u20 S2 temp.
Read superheat u21 Superheat
Read the control’s actual superheat reference u22 SH ref.
Read the valve’s actual opening degree u23 AKV OD %
Read the evaporating pressure u25 Evap.press Pe
Read the evaporating temperature u26 Evap.temp Te
Read the temperature at the S6 sensor u36 S6 temp
Status on DI2 output. on/1=closed u37 DI2 status
Air temperature. Weighted S3 + S4 u56 Display air
Measured temperature for alarm thermostat
u57 Alarm air
* Status on relay for cooling
u58 Comp1/LLSV
* Status on relay for fan u59 Fan relay
* Status on relay for defrost u60 Def. relay
* Status on relay for railheat u61 Railh. relay
* Status on relay for alarm u62 Alarm relay
* Status on relay for light u63 Light relay
* Status on relay for valve in suction line u64 SuctionValve
* Status on relay for compressor 2 u67 Comp2 relay
* Temperature measured with S5B sensor
u75 S5 temp. B
* Temperature measured with S3B sensor
u76 S3 air temp. B
* Status on relay for hot gas
u80 Hotgas valve
* Status on relay for heating element in drip tray
u81 Drip tray
* Status on relay for night blinds
u82 Blinds relay
* Status on relay for defrost B
u83 Def. relay B
* Status on relay for heat function
u84 Heat relay
* Readout of the actual rail heat eect in %
u85 Rail DutyC %
Readout of which thermostat used for regulation: 1= Thermostat 1,
2= Thermostat 2
u86 Ther. band
Status on input DI3 (on/1 = 230 V)
u87 DI3 status
Readout of the actual cutin value for the thermostat
u90 Cutin temp.
Readout of the actual cut out value for the thermostat
u91 Cutout temp.
Status on function "Adaptive defrost"
0: O. Function is not activated and is zero set
1: Sensor error S3/S4 are reversed.
2: Tuning is in progress
3: Normal
4: Light build-up of ice
5: Medium build-up of ice
6: Heavy build-up of ice
U01 AD state
Number of defrosts carried out since the initial power up or since the resetting of
the function
U10 Acc.defrost
Number of defrosts skipped since the initial power up or since the resetting of the
function
U11 Acc.def.skip
Measured temperature for alarm thermostat for B section
U34 Alarm air B
Air temperature. Weighted S3 + S4 temp. for B section
U35 Display air B
*) Not all will be displayed. Only the function belonging to the selection application is displayed.

Danfoss AK-CC 550B Specifications

General

Brand	Danfoss
Model	AK-CC 550B
Category	Controller
Language	English