Samsung MR-DH00 Technical Data Book page 33

Individual control (1) Control 1 indoor unit with 1 wired remote controller
Outdoor unit
F3/F4
Wired remote controller
Control All connected indoor units
Display Operation status of the connected indoor unit
Group control (1) Control multiple indoor units with 1 wired remote controller
Outdoor unit
Control All connected indoor units
Priority 1. Display the status of view master indoor unit
Display
Priority 2. Display the status of indoor unit which has the earliest Main address
Group control (2) Control multiple indoor units connected to different outdoor units with 1 wired remote controller
F1/F2
Outdoor unit
F3/F4
Wired remote controller
Control All connected indoor units
Priority 1. Display the status of view master indoor unit
Display
Priority 2. Display the status of indoor unit which has the earliest Main address
Caution
When controlling group of indoor units connected to different outdoor unit, address of the each outdoor unit must be set differently.
F1/F2
Wired remote controller
Indoor unit
Indoor unit
Maximum 16 indoor units can be connected
Outdoor unit
Maximum 16 indoor units can be connected
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