Danfoss AK-CC55 - Advanced Control Features; Adaptive Defrost Control Settings; Master Control Parameters

Function
Description
Values
Code
Short name
Superheat close liq-
uid ctrl. A
Minimum limit of superheat where the valve is clos-
ing during adaptive liquid control
x87
--- SH close Liq
AFident Ee
Expert readout - contact Danfoss for further informa-
tion
Y20
--- AFident Ee
Aver.OD Ee
Expert readout - contact Danfoss for further informa-
tion
Y21
--- Aver.OD Ee
Table 46: Advanced → Advanced adaptiv defrost control
Function
Description
Values
Code
Short name
AD sensibility
Expert setting - contact Danfoss for further informa-
tion
Z06
--- AD sense
Flash gas sense
Expert setting - contact Danfoss for further informa-
tion
x89
--- FlashGasSens
Air tuning value
Expert setting - contact Danfoss for further informa-
tion
x90
--- AD AirTuning
New air tuning value
Expert readout - contact Danfoss for further informa-
tion
x92
--- NewAirTunVal
Little ice indicator
Expert readout - contact Danfoss for further informa-
tion
Y04
--- FaultIndic.0
Medium ice indica-
tor
Expert readout - contact Danfoss for further informa-
tion
x91
--- FaultIndic.1
Heavy ice indicator
Expert readout - contact Danfoss for further informa-
tion
Y05
--- FaultIndic.2
Flash gas indicator
Expert readout - contact Danfoss for further informa-
tion
x93
--- Fl.Gas.Indic
AD int. state
Expert readout - contact Danfoss for further informa-
tion
Y11
--- ADintState
Time constant Lpf
Expert setting - contact Danfoss for further informa-
tion
Y19
--- TimeConstLpf
DefrostOut
Y24
DefrostOut
AirTuneValR
Y26
AirTuneValR
IceLevel
Y27
IceLevel
Table 47: Advanced → Master control
Function
Description
Values
Code
Short name
Control state A
Readout of the actual control state of the controller
0=Normal ctrl., 1=Hold after defrost, 2=Min ON timer,
3=Min OFF timer, 4=Drip o, 10=Main switch OFF,
11=Thermostat cut-out, 12=Frost protection S4,
13=Not_used, 14=Defrost, 15=Fan delay, 17=Door
open, 18=Melt period, 19=Modulating temp. control,
20=Emergency control, 23=Adaptive superheat con-
trol, 24=Start injection, 25=Manual control, 26=No re-
frigerant selected, 16=Forced closing, 29=Case clean-
ing, 30=Forced cooling, 31=Door open, 32=Power-up
delay, 33=Air heating, 45=Shut down controller,
48=Adaptive liquid control
u00
u00 Ctrl. state
Regulation condi-
tion A
Readout of the actual control state of the controller
0=Main switch OFF, 1=Injection start, 2=Superheat
ctrl., 3=Fill evap., 4=Defrost, 5=Post defrost, 6=Forced
closing, 7=Injection fault, 8=Emergency control,
9=Modulating ctrl., 10=Melt period, 11=Door open,
12=Case cleaning, 13=Cutout, 14=Forced cooling,
15=Shut down
x62
--- Reg. Cond.
MC Actual cut-in
temp.
x63
--- Cutin temp.
MC Actual cut-out
temp.
x64
--- Cutout temp.
MC Ther. toggle
Master control signal used for switching case load
ON/OFF depending on the load condition
0=No action, 1=Toggle ON, 2=Toggle OFF
x81
--- TherToggle
MC Load request
Master control signal used to control the load balance
between multiple case controllers on the same suc-
tion line
x82
--- LoadReq
MC Max. Te oset
Requested oset to actual evporating temperature in
order to keep the air temperature at the actual set-
point
x84
--- MaxTeOset
MC Liquid control
Master control signal allowing switch to adaptive liq-
uid control
0=OFF, 1=ON
x85
--- MC Liq. Ctrl
MC Night setback
Master control signal for changing between day and
night time operation
0=OFF, 1=ON
x06
--- Night setbck
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AK-CC55 Single Coil and Single Coil UI