Danfoss AK-CC55 Water Loop - Compressor;Pump Control

Function
Description
Values
Code
Short name
Def. start 6 - Hours
Time in hours for start of defrost
t06
t06 Def. 6 hr.
Def. start 6 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t16
t16 Def. 6 min.
Monday - Follow
schedule
0=No, 1=Yes
t51
t51 Mon.Schedule
Tuesday - Follow
schedule
0=No, 1=Yes
t52
t52 Tue.Schedule
Wednesday - Follow
schedule
0=No, 1=Yes
t53
t53 Wed.Schedule
Thursday - Follow
schedule
0=No, 1=Yes
t54
t54 Thu.Schedule
Friday - Follow
schedule
0=No, 1=Yes
t55
t55 Fri.Schedule
Saturday - Follow
schedule
0=No, 1=Yes
t56
t56 Sat.Schedule
Sunday - Follow
schedule
0=No, 1=Yes
t57
t57 Sun.Schedule
Compressor/Pump control
Table 25: Compressor/Pump 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,
14=Defrost, 15=Fan delay, 17=Door open, 18=Melt
period, 19=Modulating temp. control, 20=Emergency
control, 25=Manual control, 29=Case cleaning,
30=Forced cooling, 32=Power-up delay, 33=Air heat-
ing, 34=Comp. safety cut-out, 45=Shut down control-
ler, 50=High S7 Brine inlet
u00
u00 Ctrl. state
Thermostat air
temp. A
Thermostat temperature
u17
u17 Ther. air
Thermostat cut-in
temp.
Readout of the actual cut-in value for the thermostat
u90
u90 Cutin temp.
Thermostat cut-out
temp.
Readout of the actual cut-out value for the thermo-
stat
u91
u91 Cutout temp.
Compressor 1
Actual status of output function
0=OFF, 1=ON
u58
u58 Comp1/LLSV
Compressor 2
Actual status of output function
0=OFF, 1=ON
u67
u67 Comp2 relay
Compressor speed
Actual status of output function
u52
u52 Comp. Cap.
Brine pump
Actual status of output function
0=OFF, 1=ON
U17
U17 Brine pump
Brine pump speed
Actual status of output function
U28
U28 Pump speed
S7 Brine inlet temp.
Actual sensor value
u98
u98 S7 temp
S8 Brine outlet
temp.
Actual sensor value
u93
u93 S8 temp
Min ON time
Minimum time the compressor is to run once it has
been started.
c01
c01 Min. On time
Min OFF time
Minimum time the compressor has to be stopped
c02
c02 Min.O time
Delay between
comp.
Time delay for couplings of two compressors. The
step delay is the time that has to elapse from the rst
compressor cuts in and until the next compressor can
cut in.
c05
c05 Step delay
Step control mode
Selection of step control mode for compressors. At se-
quential mode compressor 1 will always be the rst to
start and the last to stop. In cyclic mode the run time
between the compressor will be equalized.
1=Sequential, 2=Cyclic
c08
c08 Step mode
Comp. 2 ctrl. Th.
band 2
Select whether compressor 2 is to be in operation in
thermostat band 2
0=OFF, 1=ON
c85
c85 Cmp2 In Th2
Min. speed
The minimum allowed speed
c46
c46 Min speed
Start speed
The requested start speed (must be set to a higher
value than “Min. speed”). After start, this speed is
maintained for 10 seconds before speed control is
started
c47
c47 Start speed
Max. speed
The maximum allowed speed
c48
c48 Max speed
Comp. defrost speed
The compressor will run with the dened speed dur-
ing the hot gas defrost
c97
c97 DefrostSpeed
Max. speed slope
Limitation on how fast the speed can ramp up/down
(set in % per. second)
c96
c96 MaxSlopeRate
AK-CC55 Water Loop
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