Danfoss EKC 224 User Manual

Code
Short text manual
Min.
Max.
De‐
fault
Unit
R/W
EKC 224 Appl.
EKC 223 Appl.
1
2
3
4
1
2
3
4
o06
(1)
Sensor type selection
(0) n5 = NTC 5k, (1) n10 = NTC 10k, (2) Pt = Pt1000, (3) Ptc = PTC
1000
0
3
2
R/W
*
*
*
*
*
*
*
*
o15
Display resolution
(0) 0.1 , (1) 0.5 , (2) 1.0
0
2
0
R/W
*
*
*
*
*
*
*
*
o16
Max. standby time after coordinated defrost
0
360
20
min
R/W
*
*
*
*
*
*
o37
(1)
DI2 conguration
(0) oFF=not used, (1) Sdc=status, (2) doo=door function, (3)
doA=door alarm, (4) SCH=main switch, (5) nig=day/night mode,
(6) rFd=reference displacement, (7) EAL=external alarm, (8)
dEF=defrost, (9) Pud=pull down
0
9
0
R/W
*
*
*
*
*
*
*
*
o38
Conguration of light function
(0) on=always on, (1) dAn=day/night, (2) doo=based on door
action, (3) nEt = Network
0
3
1
R/W
*
*
*
*
*
o39
Light control via network (only if o38=3 (nEt))
0/O
1/ On
1/ On
R/W
*
*
*
*
*
o61
(1)
Selection of application mode.
The controller can be dened in various ways. Here you set
which of the 4 applications is required.
Please refer to the Wiring diagrams for the controller in ques-
tion.
1
4
1
R/W
*
*
*
*
*
*
*
*
o62
(1)
Quick presetting of primary parameters
0 = Not used
1 = MT, Natural defrost, stop on time
2 = MT, El defrost, stop on time
3 = MT, El defrost, stop on temp.
4 = LT, El defrost, stop on temp
5 = Room, MT, El defrost, stop on time
6 = Room, MT, El defrost, stop on temp.
7 = Room, LT, El defrost, stop on temp.
0
7
0
R/W
*
*
*
*
*
*
o67
Replace the controllers factory settings with the present set-
tings
0/No
1/ Yes
0/No
R/W
*
*
*
*
*
*
*
*
o91
Display at defrost
(0) Air=Sair temperature
(1) FrE=freeze temperature
(2) -d-=”-d-” is displayed
0
2
2
R/W
*
*
*
*
*
*
(1)
Parameter can only be changed while r12 Main switch is in position OFF.
(1)
Parameter can only be changed while r12 Main switch is in position OFF.
Polarity
Table 28: Polarity
Code
Short text manual
Min.
Max.
De‐
fault
Unit
R/W
EKC 224 Appl.
EKC 223 Appl.
1
2
3
4
1
2
3
4
P--
Polarity
P75
Invert alarm relay
(1) = Invert relay action
0
1
0
R/W
*
*
*
*
*
P76
Keyboard lock enable
0/No
1/ Yes
0/No
R/W
*
*
*
*
*
*
*
*
Service
Table 29: Service
Code
Short text manual
Min.
Max.
De‐
fault
Unit
R/W
EKC 224 Appl.
EKC 223 Appl.
1
2
3
4
1
2
3
4
u--
u00
Control state
0
33
0
R
*
*
*
*
*
*
*
*
u01
Sair Air temperature
-100.0
200.0
0.0
°C
R
*
*
*
*
*
*
*
*
u09
S5 Evaporator temperature
-100.0
200.0
0.0
°C
R
*
*
*
*
*
*
*
*
u10
Status of DI1 input
0/O
1/ On
0/O
R
*
*
*
*
*
*
*
*
u13
Night condition
0/O
1/ On
0/O
R
*
*
*
*
*
*
*
*
u37
Status of DI2 input
0/O
1/ On
0/O
R
*
*
*
*
*
*
*
*
u28
Actual thermostat reference
-100.0
200.0
0.0
R
*
*
*
*
*
*
*
*
u58
Compressor / Liquid line solenoid valve
0/O
1/ On
0/O
R
*
*
*
*
*
*
u59
Fan relay
0/O
1/ On
0/O
R
*
*
*
*
*
*
u60
Defrost relay
0/O
1/ On
0/O
R
*
*
*
Case controller, type EKC 223 and EKC 224
© Danfoss | Climate Solutions | 2023.05 BC432222569027en-000201 | 32

Danfoss EKC 224 Specifications

General

Brand	Danfoss
Model	EKC 224
Category	Controller
Language	English