Emerson - EC2-391

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Contents

EMERSON Gimate Tuchnalngiti EC2 391 Display Case and Coldroom Controller Operating Instructions Note This document contains short form instructions for experienced users Use last column in List of Parameters to document your individual settings More detailed information can be found in the User Manual The EC2 391 is a dedicated refrigeration controller with superheat and a driver for an Alco Controls Electric Control Valve EX2 In addition the EC2 391 controls air temperature and manages defrost and fan s Network Two ECN Pxx pipe temperature sensors 1 and 2 measure suction gas temperatures at the evaporator inlet outlet and feed the signals into the superheat control loop The superheat controller output modulates the opening of the EX2 pulse ...