C A U T I O N
If there is an indoor unit connected in the same RCS line as DX-Interface EXV-(2.0-10.0)E1 or KPI-(E/H/X)3E, then
pin 7 must be ON to disable the power supply to RCS line. If there is no indoor unit connected to the same RCS
line but there are more than one DX-Interface EXV-(2.0-10.0)E1 or KPI-(E/H/X)3E, then only one DX-Interface EXV-
(2.0-10.0)E1 or KPI-(E/H/X)3E should have pin 7 OFF while all other units must have pin 7 set to ON. Failure to
perform this setting correctly will result in bad communication and can even cause physical damage to the PCB.
DSW2: End resistance
No setting is required.
All units
1 2
ON
DX-Interface
PCB1 Settings
DSW3: Capacity code setting
No setting is required. This DIP switch is used to set the capacity code corresponding to the DX-Interface power (HP).
HP 2.0 2.5 3.0 4.0
Factory setting
HP 5.0 6.0 8.0 10.0
Factory setting
DSW4: Unit model code setting and optional setting
No setting is required.
Factory setting
Enabled EC fan motor alarm by
tachometer input
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