Defrost Control - Danfoss AK-CC55 Multi Coil User Manual

AK-CC55 Multi Coil
Table 32: Injection control → Injection control C
Function Description
Control state C Readout of the actual control state of the controller
Thermostat air Thermostat temperature
temp. C
S4 Air OFF evap. C Actual sensor value
EEV opening C Actual status of output function
Pe Evap. pressure Actual sensor signal
Te Evap. temp. Temperature converted from pressure
S2 Gas outlet C Actual sensor value
Superheat C Readout of actual superheat at the outlet of the evap-
orator
Superheat reference Readout of the actual superheat reference
C

Defrost control

Table 33: Defrost control
Function Description
Control state A Readout of the actual control state of the controller
Control state B Readout of the actual control state of the controller
Control state C Readout of the actual control state of the controller
Defrost sensor tem- Actual temperature of selected defrost stop sensor
perature A
Defrost sensor tem- Actual temperature of selected defrost stop sensor
perature B
Defrost sensor tem- Actual temperature of selected defrost stop sensor
perature C
S5 Evaporator A Actual sensor value
S5 Evaporator B Actual sensor value
Defrost A Actual status of output function
Defrost B Actual status of output function
Defrost time A Read the duration of the ongoing defrost or the dura-
tion of the last completed defrost.
Defrost time B Read the duration of the ongoing defrost or the dura-
tion of the last completed defrost.
© Danfoss | Climate Solutions | 2022.08
Values
0=Normal ctrl., 1=Hold after defrost, 4=Drip off,
10=Main switch OFF, 11=Thermostat cutout, 12=Frost
protection S4, 13=Not_used, 14=Defrost, 15=Fan de-
lay, 16=Forced closing, 17=Door open, 18=Melt peri-
od, 19=Modulating temp. control, 20=Emergency
control, 23=Adaptive superheat control, 24=Start in-
jection, 25=Manual control, 26=No refrigerant selec-
ted, 29=Case cleaning, 30=Forced cooling, 31=Door
open, 32=Power-up delay, 33=Air heating, 45=Shut
down controller, 48=Adaptive liquid control
Values
0=Normal ctrl., 1=Hold after defrost, 4=Drip off,
10=Main switch OFF, 11=Thermostat cutout, 12=Frost
protection S4, 13=Not_used, 14=Defrost, 15=Fan de-
lay, 16=Forced closing, 17=Door open, 18=Melt peri-
od, 19=Modulating temp. control, 20=Emergency
control, 23=Adaptive superheat control, 24=Start in-
jection, 25=Manual control, 26=No refrigerant selec-
ted, 29=Case cleaning, 30=Forced cooling, 31=Door
open, 32=Power-up delay, 33=Air heating, 45=Shut
down controller, 48=Adaptive liquid control
0=Normal ctrl., 1=Hold after defrost, 4=Drip off,
10=Main switch OFF, 11=Thermostat cutout, 12=Frost
protection S4, 13=Not_used, 14=Defrost, 15=Fan de-
lay, 16=Forced closing, 17=Door open, 18=Melt peri-
od, 19=Modulating temp. control, 20=Emergency
control, 23=Adaptive superheat control, 24=Start in-
jection, 25=Manual control, 26=No refrigerant selec-
ted, 29=Case cleaning, 30=Forced cooling, 31=Door
open, 32=Power-up delay, 33=Air heating, 45=Shut
down controller, 48=Adaptive liquid control
0=Normal ctrl., 1=Hold after defrost, 4=Drip off,
10=Main switch OFF, 11=Thermostat cutout, 12=Frost
protection S4, 13=Not_used, 14=Defrost, 15=Fan de-
lay, 16=Forced closing, 17=Door open, 18=Melt peri-
od, 19=Modulating temp. control, 20=Emergency
control, 23=Adaptive superheat control, 24=Start in-
jection, 25=Manual control, 26=No refrigerant selec-
ted, 29=Case cleaning, 30=Forced cooling, 31=Door
open, 32=Power-up delay, 33=Air heating, 45=Shut
down controller, 48=Adaptive liquid control
0=OFF, 1=ON
0=OFF, 1=ON
Code Short name
U83 U83 Ctrl.State C
U86 U86 Ther. Air C
U85 U85 S4 temp C
U91 U91 EEV OD % C
u25 u25 EvapPress Pe
u26 u26 EvapTemp Te
U88 U88 S2 temp. C
U89 U89 Superheat C
U90 U90 SH Ref C
Code Short name
u00 u00 Ctrl. state
U74 U74 Ctrl.State B
U83 U83 Ctrl.State C
U73 U73 Def.StopTemp
U93 U93 Def.StopTemB
U94 U94 Def.StopTemC
u09 u09 S5 temp.
u75 u75 S5 temp. B
u60 u60 Def. relay
u83 u83 Def. relay B
u11 u11 Defrost time
U75 U75 Def. Time B
BC365022028193en-000201 | 48