4 Electrical and control settings
Setting of DIP switches and RSW switches
SMGB0099 rev.0 - 12/2016
163
4
DSW5 and RSW2: refrigerant cycle number setting
It is required to change factory default setting, with a value of up to 63. In the same refrigerant cycle, set the same
refrigerant cycle number for the outdoor unit and the indoor unit.
Factory setting
Example of system setting with a value of: 5
DSW5
RSW2
DSW5
RSW2
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
?
N O T E
RPI-(16.0/20.0)FSN3PE: Set both modules to one cycle number (only).
DSW6 and RSW1: Unit number setting
It is required to change factory default setting, with any value from 0 up to 63. The address number must be unique for
each unit (in the same refrigerant cycle).
?
N O T E
If “auto-address” function is available, the setting of DSW6 and RSW1 is not required.
•
All indoor units except RPI-(16.0/20.0)FSN3PE(-f):
Factory setting
Example of system setting with a value of: 16
DSW6
RSW1
DSW6
RSW1
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
?
N O T E
It is recommended to assign a number from starting“1”
• RPI-(16.0/20.0)FSN3PE(-f) only:
No setting is required.
DSW6
RSW1
PCB1
(Upper e-box)
PCB2
(Lower e-box)
1 2 3 4 5 6
ON
?
N O T E
When further connecting indoor units, make sure to set a number other than one or two for each indoor unit.
DSW7: fuse recovery
No settings are required.
All models
Factory setting
1
2
ON
In case of applying high voltage to the terminal 1-2 of TB (Transmitting
wires), the fuse on the PCB is cut. In such a case, firstly correct the
wiring to TB and then turn ON switch 1 (as showin in the figure).
1
2
ON
DSW7 Not assembled in the RPC-FSN3 models.
