Samsung MR-DH00 Technical Data Book page 41

Individual control 1 ERV, 1 wired remote controller
COM2(F3, F4)
Control All connected ERVs
Display
Group control (1)
COM2(F3, F4)
Control All connected ERVs
Display
Group control (2)
remote controller
COM1(F1, F2)
CN4
CN4
COM1(F1, F2)
COM2(F3, F4)
Control All connected ERVs
Display
COM2(F3, F4) COM2(F3, F4)
COM2(F3, F4)
COM2(F3, F4)
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