Menu Survey - Danfoss EKC 202D Manual

Controller for temperature control
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Menu survey

Function
Normal operation
Temperature (set point)
Thermostat
Differential
Max. limitation of setpoint setting
Min. limitation of setpoint setting
Adjustment of temperature indication
Temperature unit (°C/°F)
Correction of the signal from S4
Correction of the signal from S3
Manual service, stop regulation, start regulation (-1, 0, 1)
Displacement of reference during night operation
Definition and weighting, if applicable, of thermostat sensors - S4% (100%=S4,
0%=S3)
Activation of reference displacement r40
Value of reference displacement (activate via r39 or DI)
Alarm
Delay for temperature alarm
Delay for door alarm
Delay for temperature alarm after defrost
High alarm limit
Low alarm limit
Alarm delay DI1
Alarm delay DI2
Signal for alarm thermostat. S4% (100%=S4, 0%=S3)
Compressor
Min. ON-time
Min. OFF-time
Compressor relay 1 must cutin and out inversely
(NC-function)
Defrost
Defrost method (none/EL/GAS/BRINE)
Defrost stop temperature
Interval between defrost starts
Max. defrost duration
Displacement of time on cutin of defrost at start-up
Drip off time
Delay for fan start after defrost
Fan start temperature
Fan cutin during defrost
0: Stopped
1: Running
2: Running during pump down and defrost
Defrost sensor (0=time, 1=S5, 2=S4)
Pump down delay
Max. aggregate refrigeration time between two defrosts
Defrost on demand - S5 temperature's permitted variation during frost build-up.
On central plant choose 20 K (=off )
Fan
Fan stop at cutout compressor
Delay of fan stop
Fan stop temperature (S5)
Real time clock
Six start times for defrost.
Setting of hours.
0=OFF
Six start times for defrost.
Setting of minutes.
0=OFF
Clock - Setting of hours
Clock - Setting of minute
Clock - Setting of date
Clock - Setting of month
Clock - Setting of year
Miscellaneous
Delay of output signals after start-up
Input signal on DI1. Function:
0=not used. 1=status on DI1. 2=door function with alarm when open. 3=door
alarm when open. 4=defrost start (pulse-pressure). 5=ext.main switch. 6=night
operation 7=change reference (activate r40). 8=alarm function when closed.
9=alarm function when open. 10=case cleaning (pulse pressure). 11=forced
cooling.
Network address
On/Off switch (Service Pin message)
IMPORTANT! o61 must be set prior to o04
Access code 1 (all settings)
Used sensor type (Pt /PTC/NTC)
Display step = 0.5 (normal 0.1 at Pt sensor)
Max hold time after coordinated defrost
Select signal for display view. S4% (100%=S4, 0%=S3)
EKC 202D
Parameters
Manual RS8EE202 © Danfoss 08-2010
EL-diagram
number (page 6)
Min.-value
Codes
1
2
3
---
***
r01
***
r02
***
r03
r04
r05
r09
r10
r12
r13
r15
r39
r40
A03
***
A04
A12
***
A13
***
A14
A27
A28
A36
c01
c02
c30
d01
d02
d03
0 hours
d04
d05
d06
d07
d08
d09
d10
d16
d18
0 hours
d19
F01
F02
F04
t01-
0 hours
t06
t11-
t16
***
t07
0 hours
***
t08
***
t45
***
t46
***
t47
o01
o02
o03
o04
o05
o06
o15
o16
o17
SW = 2.2x
Factory set-
Max.-value
ting
-50.0°C
50.0°C
2.0°C
0.0 K
20.0K
2.0 K
-49.0°C
50°C
50.0°C
-50.0°C
49.0°C
-50.0°C
-20.0 K
20.0 K
0.0 K
°C
°F
°C
-10.0 K
+10.0 K
0.0 K
-10.0 K
+10.0 K
0.0 K
-1
1
0
-10.0 K
10.0 K
0.0 K
0%
100%
100%
OFF
ON
OFF
-50.0 K
50.0 K
0.0 K
0 min
240 min
30 min
0 min
240 min
60 min
0 min
240 min
90 min
-50.0°C
50.0°C
8.0°C
-50.0°C
50.0°C
-30.0°C
0 min
240 min
30 min
0 min
240 min
30 min
0%
100%
100%
0 min
30 min
0 min
0 min
30 min
0 min
0
1
0
OFF
ON
OFF
no
bri
EL
0.0°C
25.0°C
6.0°C
48 hours
8 hours
0 min
180 min
45 min
0 min
240 min
0 min
0 min
60 min
0 min
0 min
60 min
0 min
-15.0°C
0.0°C
-5.0°C
0
2
1
0
2
0
0 min
60 min
0 min
48 hours
0 hours
0.0 K
20.0 k
20.0 K
no
yes
no
0 min
30 min
0 min
-50.0°C
50.0°C
50.0°C
23 hours
0 hours
0 min
59 min
0 min
23 hours
0 hours
0 min
59 min
0 min
1
31
1
1
12
1
0
99
0
0 s
600 s
5 s
1
11
0
0
240
0
OFF
ON
OFF
0
100
0
Pt
ntc
Pt
no
yes
no
0 min
60 min
20
0%
100%
100%
Actual set-
ting
17

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Questions and answers

Leopold Makambila
January 16, 2025

Is there a possibility with the EKC 202D2 to correct the temperature sensor reading offset,

1 comments:
Mr. Anderson
February 3, 2025

Yes, the Danfoss EKC 202D can correct the temperature sensor reading offset. This is done using the parameters r09 and r10, which allow for the correction of the signal from sensors S4 and S3, respectively. Both parameters have a correction range of -10.0 K to 10.0 K.

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