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EKC 202 

Manual  RS8DZ602  ©  Danfoss  08-2010 

5

Light-emitting diodes (LED) on front panel

There are LED’s on the front panel which will light up when the 
belonging relay is activated.

 = Refrigeration

 = Defrost
 = Fan

The light-emitting diodes will flash when there is an alarm.
In this situation you can download the error code to the display 
and cancel/sign for the alarm by giving the top button a brief 
push.

Defrost

During defrost a –d– is shown in the display. This view will 
continue up till 15 min. after the cooling has resumed.
However the view of –d– will be discontinued if:
- The temperature is suitable within the 15 minutes
- The regulation is stopped with “Main Switch”
- A high temperature alarm appears

The buttons

When you want to change a setting, the upper and the lower 
buttons will give you a higher or lower value depending on the 
button you are pushing. But before you change the value, you 
must have access to the menu. You obtain this by pushing the 
upper button for a couple of seconds - you will then enter the col

-

umn with parameter codes. Find the parameter code you want to 
change and push the middle buttons until value for the parameter 
is shown. When you have changed the value save the new value 
by once more pushing the middle button

Display
The values will be shown with three digits, and with a setting you 
can determine whether the temperature are to be shown in °C or  
in °F.

Operation

Examples

Set menu

1. Push the upper button until a parameter r01 is shown
2. Push the upper or the lower button and find that parameter you 

want to change

3. Push the middle button until the parameter value is shown
4. Push the upper or the lower button and select the new value
5. Push the middle button again to enter the value.

Cutout alarm relay / receipt alarm/see alarm code 

• Push briefly the upper button

If there are several alarm codes they are found in a rolling stack. 
Push the uppermost or lowermost button to scan the rolling 
stack.

Set temperature

1. Push the middle button until the temperature value is shown
2. Push the upper or the lower button and select the new value
3. Push the middle button to select the setting

Manuel start or stop of a defrost

• Push the lower button for four seconds.

See the temperature at the defrost sensor

• Push briefly the lower button

If no sensor has been mounted, ”non” will appear.

100% tight

The buttons and the seal are imbedded in the front.
A special moulding technique unites the hard front plastic, the 
softer buttons and the seal, so that they become an integral 
part of the front panel. There are no openings that can receive 
moisture or dirt.

  

Summary of Contents for EKC 202

Page 1: ...Controller for temperature control EKC 202 Manual...

Page 2: ...geration technical functions Defrost on demand in 1 1 systems Buttons and seal imbedded in the front IP65 density from the front panel Digital input for either Door contact function with alarm Defrost...

Page 3: ...sor solenoid valve Defrost sensor Electrical defrost gas defrost Relay output 3 is used for control of fan EKC 202C Controller with four relay outputs two temperature sensors and digital input Tempera...

Page 4: ...regulation Change over to night operation Case cleaning Change to another temperature reference Inject on off Case cleaning function This function makes it easy to steer the refrigeration appliance t...

Page 5: ...e new value by once more pushing the middle button Display The values will be shown with three digits and with a setting you can determine whether the temperature are to be shown in C or in F Operatio...

Page 6: ...g 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...

Page 7: ...nually but only when r12 1 u60 Temperature measured with Sair sensor u69 Status on relay 4 alarm defrost light Can be controlled manually but only when r12 1 u71 Fault code display Alarm code display...

Page 8: ...ure can be carried out r04 Disp Adj K Temperature unit Set here if the controller is to show temperature values in C or in F r05 Temp unit C 0 F 1 Only C on AKM whatever the setting Correction of sign...

Page 9: ...un once it has been started And for how long it at least has to be stopped The running times are not observed when defrosts start Min ON time in minutes c01 Min On time Min OFF time in minutes c02 Min...

Page 10: ...e from a defrost and until the compressor is to start again The time when water drips off the evaporator d06 DripOff time Delay of fan start after defrost Here you set the time that is to elapse from...

Page 11: ...t is open it signals that the door is open The refrigeration and the fans are stopped When the time setting in A04 is passed an alarm will be given and refrigeration will be resumed 3 Door alarm When...

Page 12: ...There is access to adjustments of values but not to configuration settings If the settings in the controller are to be protected with an access code you can set a numerical value between 0 and 100 If...

Page 13: ...alarm A2 Low temperature alarm Low t alarm A4 Door alarm Door Alarm A5 Information Parameter o16 is expired Max Hold Time A15 Alarm Signal from DI input DI1 alarm A45 Standby position stopped refriger...

Page 14: ...emands refrigeration Defrost Fan Alarm The relay is cut out during normal operation and cuts in in alarm situations and when the controller is dead de energised Light The contact will cut in when the...

Page 15: ...rrent terminals are with plugs Relays CE 250 V a c UL 240 V a c DO1 Refrigeration 10 6 A 10 A Resistive 5FLA 30LRA DO2 Defrost 10 6 A 10 A Resistive 5FLA 30LRA DO3 Fan 6 3 A 6 A Resistive 3FLA 18LRA 1...

Page 16: ...anfoss and Danfoss logotype are trademarks of Danfoss A S All rights reserved Ordering Type Function Code no EKC 202A Refrigeration controller 084B8521 EKC 202B Refrigeration controller with fan funct...

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