Heatcraft Refrigeration Products H-IM-79E Locking The Beacon II Board, Status Indicator Led, •Off

Programming & Reviewing

Programming And Reviewing Settings/Changes (Cont’d.)

Use this button to “CLEAR/TEST”

Pressing this button ONCE will return the LED display to

the default display. With the system in the OFF mode, pressing and holding this button will start the “TEST” mode. In the “TEST” mode it will cycle through each output for 10 seconds. The display will only show “tst”

during “TEST” mode. Test mode will automatically terminate after 3 sequences.

Locking The Beacon II Board

The Beacon II board is lockable to prevent programmed setting changes by unauthorized personnel. When

locked, the program setpoints cannot be changed. To lock the setting:

•Press “PROGRAM REVIEW” button.

•Press and hold “MONITOR” button.

•While holding “MONITOR” button, press “ENTER” button.

•The LCD will display Loc.

This will prevent unauthorized personnel program changes. To unlock, repeat steps above. LCD will display “UnL”.

STATUS INDICATOR LED

A RED, three-digit , alphanumeric LED on the Beacon II board indicates status, alarms and error codes.

•OFF

All Evaporators

•COOLING

Single Evaporator- Multiple Evaporators

Master Evap - Slave Evaps -

•Pumpdown

All Evaporators

•DEFROST

All Evaporators

•TEST

All Evaporators

•SERVICE

All Evaporators

•ALARMS

Box Temp / oFF

Box Temp /Coo

Box Temp / Coo

Coo

Pdn

dEF

tSt

SEr

A1

A2

A3

A4

Box Temperature/ Mode is displayed

Box Temperature/ Mode is displayed

Box Temperature/ Mode is displayed Operating Mode is displayed

High Box Temp Low Box temp System Start-up failure

Compressor pumps down and tries to restart after 4 minutes.

Input Fault

Box Temp., Suction Temp., Pressure Transducer open or not installed

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