Emerson 818-2050 Installation guide

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

CL-RSC Operation

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

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.

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

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

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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