6
Manual RS8DZ702 © Danfoss 03-2012 EKC 202 / 302
Menu survey
Parameters
Controller
Min.-
value
Max.-
value
Factory
setting
Actual
setting
Function
Codes
EKC
202A /
302A
EKC
202B
/302B
EKC
202C
Normal operation
Temperature (set point)
---
-50°C
50°C
2°C
Thermostat
Differential
r01
0,1 K
20 K
2 K
Max. limitation of set point setting
r02
-49°C
50°C
50°C
Min. limitation of set point setting
r03
-50°C
49°C
-50°C
Adjustment of temperature indication
r04
-20 K
20 K
0.0 K
Temperature unit (°C/°F)
r05
°C
°F
°C
Correction of the signal from Sair
r09
-10 K
10 K
0 K
Manual service(-1), stop regulation(0), start regulation (1)
r12
-1
1
1
Displacement of reference during night operation
r13
-10 K
10 K
0 K
Activation of reference displacement r40
r39
OFF
on
OFF
Value of reference displacement (activation by r39 or DI)
r40
-50 K
50 K
0 K
Alarm
Delay for temperature alarm
A03
0 min
240 min
30 min
Delay for door alarm
A04
0 min
240 min
60 min
Delay for temperature alarm after defrost
A12
0 min
240 min
90 min
High alarm limit
A13
-50°C
50°C
8°C
Low alarm limit
A14
-50°C
50°C
-30°C
Alarm delay DI1
A27
0 min
240 min
30 min
High alarm limit for condenser temperature (o70)
A37
0°C
99°C
50°C
Compressor
Min. ON-time
c01
0 min
30 min
0 min
Min. OFF-time
c02
0 min
30 min
0 min
Compressor relay must cutin and out inversely (NC-function)
c30
0 / OFF
1 / on
0 / OFF
External relays (Zero crossing control – only EKC 302)
Must be 'ON' when connecting to external relays
c70
OFF
On
On
Defrost
Defrost method (none/EL/gas)
d01
no
gas
EL
Defrost stop temperature
d02
0°C
25°C
6°C
Interval between defrost starts
d03
0 hours
48 hours
8 hours
Max. defrost duration
d04
0 min
180 min
45 min
Displacement of time on cutin of defrost at start-up
d05
0 min
240 min
0 min
Drip off time
d06
0 min
60 min
0 min
Delay for fan start after defrost
d07
0 min
60 min
0 min
Fan start temperature
d08
-15°C
0°C
-5°C
Fan cutin during defrost
0: Stopped
1: Running
2: Running during pump down and defrost
d09
0
2
1
Defrost sensor (0=time, 1=S5, 2=Sair)
d10
0
2
0
Max. aggregate refrigeration time between two defrosts
d18
0 hours
48 hours
0 hours
Defrost on demand - S5 temperature’s permitted variation during frost build-up. On
central plant choose 20 K (=off)
d19
0 K
20 K
20 K
Fans
Fan stop at cutout compressor
F01
no
yes
no
Delay of fan stop
F02
0 min
30 min
0 min
Fan stop temperature (S5)
F04
-50°C
50°C
50°C
Real time clock
Six start times for defrost.
Setting of hours.
0=OFF
t01-t06
0 hours
23 hours
0 hours
Six start times for defrost.
Setting of minutes.
0=OFF
t11-t16
0 min
59 min
0 min
Clock - Setting of hours
t07
0 hours
23 hours
0 hours
Clock - Setting of minute
t08
0 min
59 min
0 min
Clock - Setting of date
t45
1
31
1
Clock - Setting of month
t46
1
12
1
Clock - Setting of year
t47
0
99
0
Miscellaneous
Delay of output signals after start-up
o01
0 s
600 s
5 s
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 (r40 will be activated) 8=alarm function when closed. 9=alarm func
-
tion when open. 10=case cleaning (pulse pressure). 11=Inject off when open.
o02
0
11
0
Network address
o03
0
240
0
On/Off switch (Service Pin message)
o04
OFF
ON
OFF
Access code 1 (all settings)
o05
0
100
0
Used sensor type (Pt /PTC/NTC)
o06
Pt
ntc
Pt
Display step = 0.5 (normal 0.1 at Pt sensor)
o15
no
yes
no
Max hold time after coordinated defrost
o16
0 min
60 min
20
Configuration of light function (relay 4)
1=ON during day operation. 2=ON / OFF via data communication. 3=ON follows the DI-
function, when DI is selected to door function or to door alarm
o38
1
3
1
Activation of light relay (only if o38=2)
o39
OFF
ON
OFF
EKC 202: SW = 1.3x
EKC 302: SW = 1.0x