Control Systems
V-62
2
2
Centralized control system
2-2. Centralized controller (MCM-A202A)
10) Various LED display
After power reset to the centralized controller, it carries out indoor unit tracking process through the interface
modules.
Main:0
RMC:0
Main:1
RMC:1
Main:2
RMC:2
I/M 0
Main:0
RMC:3
Main:1
RMC:4
Main:2
RMC:5
I/M 5
Main:0
RMC:6
Main:1
RMC:7
Main:2
RMC:8
I/M 7
1. During tracking interface modules, LED whose number is equivalent to interface module address
instantaneously flickers. (In LED 00
➔
LED 05
➔
LED 07 order)
2. If one of the interface modules does not register all its indoor units, centralized controller also does not
complete tracking process and continues to flicker its LEDs which are matched to interface module address
(Continuously rotating LED 00
➔
LED 05
➔
LED 07 flickering).
(1) Under group mode tracking (K3 to OFF)
➊
When there occurred an error in one of the indoor units, RMC-matching LED on the centralized controller flickers.
❷ If communication between them are blocked for some reasons, entire RMC-matching LEDs on the centralized
controller blink at the same time.
Under tracking Tracking completed Error in RMC3 indoor unit
LED 03 blinking
Communication block
in interaction with I/Ms
➔
All LEDs blinking
05-2_control systems(046~081) 3/6/08 14:02 Page 62
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