Danfoss EKC 224 User Manual

Code
Text on network
Description
o37
(1)
o37 DI2 Cong.
DI2 conguration
Here you can congure the DI2 to one of the functions listed below.
• (0) oFF = not used
• (1) Sdc = status display output
• (2) doo = door function
When the door is opened the compressor and fan are stopped after “C04 Compressor door open delay”. If the door
alarm delay expires an alarm is generated and cooling is resumed.
• (3) doA = door alarm
When the door is opened the compressor and fan are stopped after “C04 Compressor door open delay”. If the door
alarm delay expires an alarm is generated (cooling is not resumed).
• (4) SCH = main switch
Regulation is carried out when the input is short-circuited, and regulation is stopped when the input is put in position
OFF.
•
(5) nig = day/night mode
When the input is short-circuited, there will be regulation for night operation.
•
(6) rFd = reference displacement
Value in “r40” is added to the reference “r00” when the input is short-circuited.
•
(7) EAL = external alarm
Alarm will be given when the input is short-circuited.
• (8) dEF = defrost
Defrost is initiated when the input is short-circuited. Edge triggering is used. Defrost exit can take place by time, tem-
perature or by manually pressing defrost push button on the front panel.
• (9) Pud = pull down
Pull down is initiated when the input is short-circuited. Edge triggering is used. It will come out of pull down based on
time and temperature dened under parameter “r96” and “r97” or can be stopped manually by pressing pull down
push button on front panel.
o38
o38 Light cong
Light control
This parameter denes the way the light must be controlled. Below are the three light control modes available.
• (0) on = always on
• (1) dAn = day/night
• (2) doo = based on door action
• (3) nEt = Network signal from system manager
o39
o39 Light remote
Light remote
Parameter used by the network system manager to control the light status. Only used on Modbus datacommunication and
if the parameter o38 has been set at (3) nEt.
o61
(1)
o61 Appl. Mode
Selection of application
The controller can be dened in various ways. Here you set which of the 4 applications is required.
o62
(1)
o62 Quick Setup
Transfer a set of presettings to the controller
It is possible to select a quick setting of a number of parameters. It depends on whether a cabinet or a room is to be con-
trolled and whether defrost is to be stopped based on time or based on temperature.
After the setting, the value will return to 0. Any subsequent adjustment/setting of parameters can be made, as required.
o67
o67 Make factory
Save settings as factory
This parameter when set to YES. The current controller Parameter settings are stored as Factory default.

WARNING:
Original factory settings are overwritten.
o91
o91 Displ At Def
Display at defrost
You can set what is to be displayed during defrost here.
• (0) Air = actual air temperature
• (1) FrE = freezed temperature (display the temperature just before starting defrost)
• (2) -d- = Defrost code ”-d-” is displayed.
(1)
This menu can only be set when regulation is stopped, i.e. “r12” is set to 0.
(1)
This menu can only be set when regulation is stopped, i.e. “r12” is set to 0.
Polarity
Table 19: Polarity
Code
Text on network
Description
P--
Polarity
P75
P75 Invert Alarm
Invert alarm relay
Alarm relay operation can be inverted here.
• 0=normal
• 1=invert relay action
P76
P76 Keypad lock
Keyboard lock enable
YES=enable keyboard lock functionality after 5 minutes of no activity on the keypad.
Case controller, type EKC 223 and EKC 224
© Danfoss | Climate Solutions | 2023.05 BC432222569027en-000201 | 28

Danfoss EKC 224 Specifications

General

Brand	Danfoss
Model	EKC 224
Category	Controller
Language	English