Control Systems - Uniclima

2 Centralized control system1. Interface module(4) InstallationOperation display When interface module is connected to F1/F2 (Outdoor unit) Software version display(Ex. 918A)Display each port’s address.(R1/R2)During trackingTrackingcompleted Display all indoor unit main address in rotation (For all indoor unit switch K2 to OFF) When interface module is connected to R1/R2 (Centralized controller)• Red : Red LED will be flickering when interface module communicates with CH 0 centralized controller.• Green : Green LED will be flickering when interface module communicates with CH 1 centralized controller.• Yellow : Yellow LED will be flickering when interface module communicates with CH 2 centralized controller.Error displayCommunication error between outdoor unit Interface module Communication error between centralized controller Interface module When E1, E2 error occurs together, E1 is displayed first. Interface module Outdoor unit tracking failureIDU quantity recognized by outdoor unit ≠ IDU quantity recognized by I/M. Indoor unit communication checkinga. No indoor unit response(during the normal communication mode after tracking process. Outdoor unit and interface module communicate normally)b. All indoor units’ K2 switches are OFF (Centralized control disable status)52