background image

Manual  RS8AE802  ©  Danfoss  12-2009 

EKC 361

Light-emitting diodes (LED) on front panel

There are LED’s on the front panel which will light up when the 
corresponding relay is activated.
The three lowest LED’s will flash, if there is an error in the regula

-

tion.

In this situation you can upload the error code on the display and 
cancel the alarm by giving the uppermost button a brief push.

Display

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

Operation

Menu survey

The controller can give the following messages:

E1

Error message

Errors in the controller

E7

Cut-out S

air

E8

Shortcircuited S

air

E11

Valve’s actuator temperature outside its range

E12

Analog input signal is outside the range

A1

Alarm message

High-temperature alarm

A2

Low-temperature alarm

The buttons

When you want to change a setting, the two buttons will give you 
a higher or lower value depending on the button you are push

-

ing. 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 column with parameter codes. 
Find the parameter code you want to change and push the two 
buttons simultaneously. When you have changed the value, save 
the new value by once more pushing the two buttons simultane

-

ously.

 

Gives access to the menu

 (or cutout an alarm)

 

Gives access to changes

 

Saves a change

Examples of operations

Set set-point

1. Push the two buttons simultaneously
2. Push one of the buttons and select the new value
3. Push both buttons again to conclude the setting

 

Set one of the other menus

1. Push the upper button until a parameter is shown
2. Push one of the buttons and find the parameter you want to 

change

3. Push both buttons simultaneously until the parameter value is 

shown

4. Push one of the buttons and select the new value
5. Push both buttons again to conclude the setting

Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut out the supply voltage to the controller
- Keep both buttons depressed at the same time as you recon nect the supply voltage

Function

Para-
meter

Min.

Max.

Fac.
setting

Normal display

Shows the temperature at the selected sensor

At ICM valve OD also can be selected

-

°C

Reference

Set the required room temperature

-

-70°C

160°C 10°C

Temperature unit

r05

°C

°F

°C

Input signal’s temperature influence

r06

-50°C

50°C

0.0

Correction of the signal from S

air

r09

-10,0°C 10,0°C

0.0

Correction of the signal from S

aux

r10

-10,0°C 10,0°C

0.0

Start/stop of refrigeration

r12

OFF/0 On/1

On/1

Alarm

Upper deviation (above the temperature setting)

A01

0

50 K

5.0

Lower deviation (below the temperature setting)

A02

0

50 K

5.0

Alarm’s time delay

A03

0

180 
min

30

Regulating parameters

Actuator max. temperature

n01

41°C

140°C 140

Actuator min. temperature

n02

40°C

139°C 40

Actuator type  (1=CVQ-1 to 5 bar, 2=CVQ 0 to 6 
bar, 3=CVQ 1.7 to 8 bar, 4= CVMQ, 5=KVQ, 6= ICM)

n03

1

6

2

P: Amplification factor Kp

n04

0,5

50

3

I: Integration time Tn (600 = off)

n05

60 s

600 s

240

D: Differentiation time Td (0 = off)

n06

0 s

60 s

10

Transient phenomenon

0: Ordinary control

1: Underswing minimised
2: No underswing

n07

0

2

2

OD - Opening degree - max. limit - ICM only

n32

0%

100%

100

OD - Opening degree min limit - ICM only

n33

0%

100%

0

Miscellaneous

Controller's address (0-120)

o03*

0

990

0

ON/OFF switch (service-pin message)

o04*

-

-

Define output signal of analog output:
0: no signal, 1: 4 - 20 mA, 2: 0 - 20 mA

o09

0

2

0

Define input signal of analog input
0: no signal, 1: 4 - 20 mA, 2: 0 - 20 mA

o10

0

2

0

Language (0=english, 1=German, 2=French, 
3=Danish, 4=Spanish and 6=Swedish.)When you 
change the setting to an other language you must 
activate o04 before "the new language" can be 

visible from the AKM program.

011*

0

6

0

Set supply voltage frequency

o12

50 
Hz/0

60 

Hz/1

0

Select of running display value

o17

Au/0

Air/1

Air/1

(Setting for the function o09)

Set the temperature value where the output signal 

must be minimum (0 or 4 mA)

o27

-70°C

160°C -35

(Setting for the function o09)

Set the temperature value where the output signal 

must be maximum (20 mA)

o28

-70°C

160°C 15

Service

Read temperature at the S

air

 sensor

u01

°C

Read regulation reference

u02

°C

Read temperature at the S

aux

 sensor

u03

°C

Read valve's actuator temperature

u04

°C

Read reference of the valve's actuator temperature u05

°C

Read value of external current signal

u06

mA

Read value of transmitted current signal

u08

mA

Read status of input DI

u10

on/off

ICM opening degree. (only at ICM)

u24

%

*) This setting will only be possible if a data communication module has been 

installed in the controller.

SW =1.5x

Summary of Contents for EKC 361

Page 1: ...REFRIGERATION AND AIR CONDITIONING Controller for regulation of media temperature EKC 361 Manual...

Page 2: ...pt high and waste is limited A transient phenomenon can be controlled with the adaptive function Select either Fast build up where underswings are allowed Not quite so fast build up where underswings...

Page 3: ...r ICS PM and ICM The EKC 361 can also operate a solenoid valve in the liquid line Digital output on terminal 9 and 10 It will follow the status of Digital Input however if a low temperature alarm is d...

Page 4: ...hecks the temperature pres sure in the actuator s pressure vessel In this way a very stable control system is obtained If there is a deviation between the required and the registered temperature the c...

Page 5: ...an also be accomplished with the external switch function See also appendix 1 r12 Main Switch Alarm The controller can give alarm in different situations When there is an alarm all the light emitting...

Page 6: ...nd to the setting in o27 Sair Saux max value 20 mA will correspond to the setting in o28 If ICM has been selected n03 6 OD u24 to control ICM is send out to the analog output o27 and o28 is not active...

Page 7: ...ssolution wil be better than 0 2 C o28 Temp at AO max Service A number of controller values can be printed for use in a service situation Read the temperature at the Sair sensor calibrated value u01 A...

Page 8: ...splay Shows the temperature at the selected sensor At ICM valve OD also can be selected C Reference Set the required room temperature 70 C 160 C 10 C Temperature unit r05 C F C Input signal s temperat...

Page 9: ...rtant that the installation of the data communi cation cable be done correctly Cf separate literature No RC8AC Connections Supply voltage 24 V a c 15 50 60 Hz 80 VA the supply voltage is galvanically...

Page 10: ...ogramme will for exam ple upload all the collected tempera ture values once a day Measurements are shown at one side and settings at the other You will also be able to see the parameter names of the f...

Page 11: ...ion pressure will have a belonging to value which in turn indicates the value of the n02 setting Due to tolerances in the actuator the setting value must be 10 K lower than shown in the curve CVQ KVQ...

Page 12: ...V a c 10 15 under all working conditions If voltage drops under some working conditions the transformer is undersized Loss of charge in actuator Replace actuator Media temperature too high Actuator fe...

Page 13: ...alues where the valve is exactly in mesh the valve will all the time remain active in its regulation If the actuator is replaced at a later date this procedure must be repeated for the new actuator Mi...

Page 14: ...14 Manual RS8AE802 Danfoss 12 2009 EKC 361...

Page 15: ...EKC 361 Manual RS8AE802 Danfoss 12 2009 15...

Page 16: ...right to alter its products without notice This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications a...

Reviews: