Samsung AF HV Series User & Installation Manual page 50

Installing the air conditioner
Installing the interface module
AF30HV Series
1. Remove the cover of the electrical component box.
Separate the cabinet on top part of the outdoor unit.
2. Attach the interface module
Refer to the illustration for the location and attach the interface module.
When you attach the interface module, make sure that it doesn't get tangled
with the wires or other parts.
3. Connect the power and communication cable for the interface module.
Connect the outdoor unit PCB with the 12 V power cable. Make sure to use
the supplied exclusive power cable for the interface module.
ENGLISH-50
Interface module
Connect 12 V
power cable
DISPLAY SUB
PCB
Outdoor unit
terminal board
Connect communication cable