Danfoss AK-CC55 Water Loop - Fan Control; Railheat Control

Fan control
Table 27: Fan 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=De-
frost, 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 heating, 34=Comp. safety cut-
out, 45=Shut down controller, 50=High S7 Brine inlet
u00
u00 Ctrl. state
Fan
Actual status of output function
0=OFF, 1=ON
u59
u59 Fan relay
Fan ECO
Actual status of output function
0=OFF, 1=ON
U37
U37 Fan Eco
Fan pulsing
mode
Pulse operation of fan 0: No pulse operation 1: Pulse oper-
ation when the thermostat is cut out2: Pulse operation
when the thermostat is cut out, but only during night op-
eration
0=No pulsing, 1=Pulsing cut-out, 2=Pulsing cut-out night
F05
F05 FanPulse-
Mode
Fan period
time
Period time for pulsing of fan
F06
F06 Fan cycle
Fan ON cycle
ON time for fan. The ON period is set as a percentage of
the period time
F07
F07 Fan ON %
Fan stop high
S5 temp.
Fan stop temperature The function stops the fans in an er-
ror situation, so that they will not provide power to the
appliance. If the defrost sensor registers a higher temper-
ature than the one set here, the fans will be stopped.
There will be re-start at 2 K below the setting. The func-
tion is not active during a defrost or start-up after a de-
frost.
F04
F04 FanStop
temp
Fan stop at
blinds closing
When blinds are closing the fans are stopped in the de-
ned time delay in order to ensure that the blinds are
closed correctly
P65
P65 BlindFan-
Stop
Railheat control
Table 28: Railheat 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
Dewpoint
Actual dewpoint received from system manager via
network
x18
--- Dew point
Rail heat
Actual status of output function
0=OFF, 1=ON
u61
u61 Railh. relay
Rail heat power
Readout of the actual rail power in %
u85
u85 Rail DutyC %
Rail heat PWM
Actual status of output function
U59
U59 Railheat PWM
Rail heat control
mode
The rail heat can be controlled in several ways: 0: Rail
heat is running all the time 1: Pulse control is used
with a timer function following the day/night opera-
tion 2: Pulse control is used with a dewpoint function.
This function requires that a signal is received about
the dewpoint value. The value is measured by a sys-
tem manager and sent to the controller via the data
communication.
0=ON, 1=Day/Night timer, 2=Dewpoint ctrl.
o85
o85 Railh. mode
Rail heat ON cycle
day
Rail heat power during day time. The ON period is set
as a percentage of the period
o41
o41 Railh.ONday%
Rail heat ON cycle
night
Rail heat power during night time. The ON period is
set as a percentage of the period time
o42
o42 Railh.ONngt%
Rail heat period
time
Period time for pulsing of rail heat
o43
o43 Railh.cycle
Rail heat PWM - Peri-
od time
Period time for the pulse width modulation
P82
P82 RailCyclePWM
AK-CC55 Water Loop
© Danfoss | Climate Solutions | 2022.04 BC378540472015en-000101 | 56