Service manual

Service Manual SM-MDS_(i) 19
MDOM PCB
For MDOM PCB, the communication terminals are already wired from the PCB to terminal
block. Connect the wire accordingly (A
in
outdoor to A
in
indoor, B
in
outdoor to B
in
indoor) on the
green color connector on indoor PCB.
MDS-M PCB
For MDS-M PCB, the communication terminals are also wired from the PCB to terminal block.
Current models are having the label of A
in
and B
in
on the terminal block. However, older model
has different terminal number (as shown below). Connect the wire accordingly (A
in
outdoor to
A
in
indoor, B
in
outdoor to B
in
indoor) on the green color connector on indoor PCB.
R22 Model Terminal Number for A
in
Terminal Number for B
in
MDS080/100/120/150B/BR 30 31
MDS180/200/220/240B/BR 45 46
R410A Model Terminal Number for A
in
Terminal Number for B
in
5MDS080/100/120/140/160/180B/BR 30 31
5MDS200/220/240B/BR 45 46
3