2-2. Centralized controller (MCM-A202A)
3) Buttons and display
No. Name Description
Indoor unit operation LED
It lights on when more than one indoor unit operates.
It flickers during indoor unit tracking process after power reset.
All ON button
Press All ON button to turn on all the indoor units.
It is also used to prohibit use of wired/wireless remote controllers for
indoor units under Level 3.
It is mainly used to toggle remote controller use dynamically under Level 3.
All OFF button Press All OFF button to turn off all the indoor units.
Individual indoor unit operation LED
It lights on when its equivalent indoor unit operates.
It also flickers when the indoor unit has an error.
Indoor unit control button Press each indoor unit button to control the equivalent unit operation.
Operation mode selection switch
Set operation mode selection switch to a certain mode and press indoor unit
control button to control operation mode.
Whenever pressing any button on the controller, set operation mode is
delivered to the indoor unit.
1
2
3
4
5
6
6
1
2
3
4
5
6
Press LED 11 and LED 15 together for 5 seconds to reset the centralized controller.
;
NN
NN
oo
oo
tt
tt
ee
ee
Software reset
05-2_control systems(046~081) 3/6/08 14:02 Page 56
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