Samsung DVM PLUS III Technical Data Book page 665

05-3_control systems(082~141)
Pattern 3
Option switch
External contact input to DI-1
Short contact : Starts all indoor unit operation.
Open contact : Stops all indoor unit operation.
External contact input to DI-2
Short contact : Disables the use of all wired/wireless remote controllers.
Open contact : Enables the use of all wired/wireless remote controllers.
Schedule control is not interrupted in Pattern 3.
Pattern 4
Option switch
External contact pulse input to DI-1
Short pulse-triggered : Starts all indoor unit operation.
External contact pulse input to DI-2
Short pulse-triggered : Stops all indoor unit operation.
Schedule control is not interrupted in Pattern 4.
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External contact
DI-2 (level-triggered)
DI-1 External contact
(level-triggered)
External contact (pulse-triggered)
DI-2
Duration : 0.5~1.0sec
DI-1
External contact (pulse-triggered)
Duration : 0.5~1.0sec
V-133