Heatcraft Refrigeration Products H-IM-79E Manual De Usuario

Each Beacon II board power is supplied by a transformer in the evaporator on which  

it is mounted. Do not run any 24 VAC wires between Beacon II boards on the evaporators.

M = Master Evaporator 

S = Slave Evaporator 

CU = Condensing Unit

If there are multiple evaporators on a system, the 
program for each SLAVE evaporator must be changed to 
identify it as a SLAVE. To do so, press the “

REVIEW” button repeatedly until “SLA” appears then 

use the “

SELECT” knob to select “YES” then press 

“

ENTER”. All Beacon II boards are shipped with the 

factory default as a MASTER evaporator. Place all 
boards in the “

SERVICE” mode while you program the 

setpoints to avoid errors and alarms which may cause 
troubles at startup.

VERY IMPORTANT: This must be done for each slave 

board.

Up to 4 evaporators can be connected as a  
master/slave configuration. 

sensor from any of the Beacon II boards.  

 

This also applies when connected to the optional Smart 
Controller.