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EC2-712_65108_EN_R03.doc   

Replacement for Rev.:02 

2 / 4 

16.09.2009 

 

 

EC2-712 Condenser Controller 

Operating Instructions 

GB 

 

Parameter Modification: Procedure 

 

Press   or   to show the code of the parameter that has to be changed; 

 

Press 

SEL

 to display the selected parameter value;  

 

Press   or   to increase or decrease the value; 

 

Press 

SEL

 to temporarily confirm the new value and display its code;  

 

Repeat the procedure from the beginning "

press 

 or   

to show...

To exit and save the new settings: 

 

Press 

PRG

 to confirm the new values and exit the parameters modification 

procedure. 

To exit without modifying any parameter: 

 

Do not press any button for at least 60 seconds (TIME OUT). 

 

Press “

ESC

” on IR remote control. 

 
 

Load Default Parameters: 

The default parameter settings can be reloaded into the controller memory by using 
the special function described below. 
 

Special Functions: 

The Special Functions can be activated by:

 

 

Press   and   together for more than 5 seconds, a flashing “0” is displayed. 

 

Press   or   until the password is displayed (default = 12). If password was 
changed, select the new password. 

 

Press 

SEL

 to confirm password, a “0” is displayed and the Special Function 

mode is activated. 

 

Press   or   to select the function. The number of special functions is dynamic 

and controller dependent. See list below. 

 

Press 

SEL

 to activate the function without leaving the special function mode. 

 

Press 

PRG

 to activate the function and leave the special function mode. 

Most of the Special Functions work in a toggle mode, the first call activates the 
function, and the second call deactivates the function. 
The indication of the function can only be displayed after exiting the special 
function mode. 

 

0: Display test function 

 

1: Displays the current TCP/IP address 

 

2: Set the controller's TCP/IP address to 192.168.1.101 (default value). This 
change is only temporary. A power down will reset the previous address 

 

3: Resets all parameters to the factory default setting. The controller will 
indicate “oF” during the reset and the valve will close. 

Display of Data: 

The data to be permanently shown on the display can be selected by the user (parameter 
/1). In case of an alarm, the alarm code is displayed alternately with the selected data. 
The user can inhibit the alarm code.  
It is possible to temporarily display these values. This is a useful feature when 
initially setting-up the system without the aid of the WebPages. Press the 

SEL

 

button to scroll through all possible displayable data.. The display will show for one 
second the numerical identifier of the data (see /1 parameter) and then the selected data. 
After two minutes the display will return to the by parameter /1 selected data. This 
action is only valid when parameter H2 = 3. 

Ethernet activity LED 

(only active when service pin is pressed)

 

Display indicates condenser controller 

Display indicates pressure in bar 

Alarm condition 

Fan 3 on 

 

IR LED 

Fan 4 on 

 

 

Fan 2 on 

Fan 1 on 

 

 

 

Indications on The Display:  

Condenser fan controller 

 

State 

 

Alarm in combination with alarm message and alarm LED 

 

Condensing pressure or saturation temperature from condensing pressure 

 

Parameter 

Other display 

 

Pressure: Pressure value in bar (g) 

 

Alarm: Alarm condition 

 

IR: IR communication enabled 

 

Alarm Codes 

hP

   High pressure alarm

  

 

Condensing pressure higher than the maximum limit 

 

lP

   Low pressure alarm

 

Condensing pressure lower than the minimum limit 

 

EP 

Error pressure

 

Condensing pressure sensor failure

 

 
Fr  

Fast recovery alarm

 

Fast recovery form low condensing pressure 

 

hr 

High discharge pressure alarm 

High condensing pressure recovery

 

 

E1 

Feedback alarm 1 

Digital input associated with fan 1 has changed into alarm state (safety chain) 

 

E2 

Feedback alarm 2 

Digital input associated with fan 2 has changed into alarm state (safety chain) 

 

E3 

Feedback alarm 3 

Digital input associated with fan 3 has changed into alarm state (safety chain) 

 

E4 

Feedback alarm 4 

Digital input associated with fan 4 has changed into alarm state (safety chain) 

 

n1 

Service alarm 1

 

Fan 1 operating time higher than run limit 

 
n2 

Service alarm 2

 

Fan 2 operating time higher than run limit 

 
n3 

Service alarm 3

 

Fan 3 operating time higher than run limit 

 
n4 

Service alarm 4

 

Fan 4 operating time higher than run limit 

 
Er 

Data error

 

Data send to the display is out of range 

Messages 

---  

No data to display 

 

The display will show an “---” at node start up and  when no data is send to the 
display. 

 

In  

Reset to default values activated 

 

The display will show an “In” when the factory default configuration data set 
is initialized. 

 

Id  

Wink request received 

 

The display will show a flashing “Id” when the wink request was received. 
The flashing “Id” will be shown on the display until the service button will be 
pressed, or a 30 min delay timer will expire or a second wink request is 
received. This function is action only when using SNMP protocol 

 

OF  

Node is offline 

 

The node is offline and no application is running. This is the result of a 
network management command and will happen for example during node 
installation. 

 

Summary of Contents for EC2-712

Page 1: ...A 12A total return current Digital inputs Volt free contacts 5V 0 1mA Humidity 0 80 rh non condensing Protection class IP65 front protection with gasket Marking Mounting The EC2 712 can be mounted in panels with a 71 x 29 mm cutout See dimensional drawing below for space requirements including rear connectors Push controller into panel cutout 1 Make sure that mounting clamps are flush with outside...

Page 2: ...the SEL button to scroll through all possible displayable data The display will show for one second the numerical identifier of the data see 1 parameter and then the selected data After two minutes the display will return to the by parameter 1 selected data This action is only valid when parameter H2 3 Ethernet activity LED only active when service pin is pressed Display indicates condenser contro...

Page 3: ...ime for maximum pressure alarm limit 0 99 10sec 0 A8 1 Fan serial alarm delay 0 99 10sec 0 A9 2 Fan run limit 0 99 10000hr 0 u STEP ENABLE PARAMETERS Min Max Unit Def Individ u0 Reset operating time 0 do nothing 1 reset operating time fan 1 2 reset operating time fan 2 3 reset operating time fan 3 4 reset operating time fan 4 5 reset operating time all fans 0 5 0 u1 Enable disable fan 1 0 1 flag 1...

Page 4: ...re it is not necessary to enter a username or password A username and password will be requested upon the initial request to any of the other WebPages The factory default settings are Username EmersonID Password 12 The default settings may be modified in the Display configuration page Press the tabs at the top of the Monitoring page with a left click of the mouse button to enter the respective Web...

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