Emerson 818-2050 Installation guide

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EMERSON CONTROL LINK CPC® P/N 818-2050 REFRIG. CONTROLLER: OVERVIEW & OPERATION
.
CL-RSC Operation

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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! See Technical Information Sheet In This Manual For This Case’s Settings
Note! See Technical Information Sheet In
This Manual For This Case’s Settings

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EMERSON CONTROL LINK CPC® P/N818-2050 CONTROLLER: ADVANCED PARAMETERS & ALARMS
Advanced Parameters
 General parameters are used to change
higher-level parameters not directly related to
system operations.
 Selecting and changing advanced parame-
ters works the same way as general parame-
ters, except that they are accessed in a dif-
ferent way and require entering a different
password.
Before Changing Advanced Parameters
 Before changing parameters, clear 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 correct password (default is 0000), and
press (SET) to enter it.
Installation Photos
 See next page for installation photos of Emerson Control Link CPC® P/N 818-2050 Refrigeration Controller.
 Note: Exact location may vary depending upon model and features.

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EMERSON CONTROL LINK CPC® 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

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EMERSON CONTROL 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

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