Control Example - Samsung MR-DH00 Technical Data Book

Control Systems
Centralized control systems
II II
5. Operation mode selection switch
MCM-C200

3) Control example

Initial condition
Cool/Heat Selector : Heating position
Compressor ON
Sequence 1
Result
Sequence 2
Result
Note
Operation mode selection switch fixed indoor unit operation mode.
Indoor unit ignores opposite operation mode. (It will not accept the command and it will just beep shortly)
74
C
Set the Cool/Heat selector to the Cooling position
①
Change Cool/Heat Selector to Cooling
②
③
Running IDU4 stops
Set IDU4 to Heating with Remote controller
①
IDU4 ignores Heating command