Emerson 818-2050 Overview & Operation Download Page 2

EMERSON CONTROL LINK CPC® P/N 818-2050 REFRIG. CONTROLLER: GENERAL PARAMETERS 

General Parameters 



General parameters are used by techni-
cians and operators to set the control set-
points and defrost schedules. 

 

Before Changing General Parameters 



Before changing parameters, clear any 
active alarms by pressing the Alarm Si-
lence button.   

 

Changing General Parameters 



Do not lightly press buttons!  You MUST 
use considerable force while pressing 
controller buttons or your commands 
will not register! 



Press (SET) and hold for five seconds.  



If general mode programming has been 
password protected, you will see PASS on 
the display.   



Press (SET) and use the arrow keys to in-
crement the password number until the 
correct password is shown and then press 
(SET).   



Note: If general parameters an not pass-
word protected, PASS will not appear on 
the display. 

 
The display will show the first programmable 
parameter: CSP (Case temperature Set Point).  
The arrow keys may be used to scroll through 
the list of general parameters.  To change the 
value of any parameter follow these steps: 
 
1.  Select the parameter using the arrow keys 

(until the code is shown. 

2. Press 

(SET). 

3.  Current value of this parameter will display.  

Use arrow keys to change values. 

4.  Press (SET) to accept value. 
5.  Repeat steps 1-4 until all set points have 

been properly configured. 

6.  When finished, press (SET) again for five 

seconds to save changes and exit.  The 
display will blank for one second and then 
revert to normal display if the save was 
successful. 

7.  To cancel all changes, press and hold 

(SILENCE) for five seconds, or leave con-
troller idle for 60 seconds.  You will lose all 
setpoint changes made since you entered 
General Programming Mode. 

 

See Warning at right. 

SFT 

Software Version 

- -  - 

WARNING! 

You MUST press and hold 

(SET) after changing setpoints 

for changes to be permanent.  

Leaving the controller idle for 

60 seconds will log you       

out and cancel all your       

setpoint changes. 

Note

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Note!  See Technical Information Sheet In 

This Manual For This Case’s Settings 

Summary of Contents for 818-2050

Page 1: ...1 EMERSON CONTROL LINK CPC P N 818 2050 REFRIG CONTROLLER OVERVIEW OPERATION CL RSC Operation ...

Page 2: ... keys may be used to scroll through the list of general parameters To change the value of any parameter follow these steps 1 Select the parameter using the arrow keys until the code is shown 2 Press SET 3 Current value of this parameter will display Use arrow keys to change values 4 Press SET to accept value 5 Repeat steps 1 4 until all set points have been properly configured 6 When finished pres...

Page 3: ...ar any ac tive alarms by pressing the Alarm Silence button Changing Advanced Parameters Do not lightly press buttons You MUST use considerable force while pressing controller buttons or your commands will not register Press and hold the UP and DOWN buttons simultaneously for five seconds to enter the Advance Programming Mode The display will show APAS Press SET and use the arrow keys to select the...

Page 4: ... P N 818 2050 REFRIG CONTROLLER INSTALLATION PHOTOS Control Link Refrigeration System Controller Ballast Enlarged View of Control Link Refrigeration System Controller Main Power Switch Note This Sheet Applicable To CO Cases Only ...

Page 5: ...ROL LINK CPC P N 818 2050 REFRIG CONTROLLER INSTALLATION PHOTOS View of Control Link Refrigeration System Controller With Housing Cover Removed Control Link Refrigeration System Controller With Housing Cover Attached ...

Page 6: ...6 EMERSON CONTROL LINK CPC P N 818 2050 REFRIG CONTROLLER INSTALLATION LOCATION Main Power Switch Controller Box Controller Field Wiring Box ...

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