Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 393

(B) Control plural indoor units with one remote controller
Up to 16 indoor units can be connected.
1
Connect the XY terminal with 2-core wire. As for
the size, refer to the following note.
2 For Packaged air conditioner series, set the indoor
unit address with SW2 on the indoor unit PCB from
[0] to [F] so as not to duplicate.
Terminal block
Indoor unit (1)
Address
KIT
Remote controller
3
For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the indoor unit PCB from [000] to [127] so as not
to duplicate.
(C) Master/Slave setting when using plural remote controller
Up to two receivers can be installed in one indoor unit group.
Indoor unit
RCN-KIT
SW1[Master]
Indoor unit (1)
(0) Address
Remote controller line
(Non-polarized)
RCN-KIT
SW1[Slave]
-
Restrictions on the thickness and length of wire
(Maximun total extension 600m.)
Standard
(0)
Switch Setting
ON
SW1-2
OFF
389
-
Within 100m x 0.3 mm
Within 200m x 0.5 mm
Within 300m x 0.75mm
Within 400m x 1.25mm
Within 600m x 2.0 mm
Indoor unit (16)
Address (F)
Function
Master
Slave
2
2
2
2
2