DSW6 switch / RSW1 rotary switch: Unit no. setting
Set DSW6 and RSW1 to modify the indoor unit address. The setting must be made so that it does not overlap the setting
of other indoor units in the same refrigerant cycle. If the setting is not made manually, the automatic address function will
be enabled.
Setting position (DSW6) Setting position (RSW1)
Tens setting (second digit) Unit setting (first digit)
Example for number 16 +
DSW7 switch: Fuse recovery and remote control selection
No settings are required. All switches are factory-set to
OFF.
PC-ART remote control selection.
If a high voltage is applied to TB1 terminals 1 and 2, the fuse on PCB1(M) is deactivated. Should this occur, correct the
TB1 wiring and activate contact 1.
Except RPK(1.0-4.0)FSN(H)2M units
RPK-1.5FSN(H)2M units only
DSW8 switch: not used (RCI(M) units only)
Factory setting
Factory setting
KPI fan units with energy recovery
N O T E
DSW2, DSW4 and DSW6 switches have no function.
Econofresh kit
Functions of Econofresh mode:
• Enthalpy sensor: this is used to control the inlet of outdoor air and regulate its humidity.
• CO
2
sensor: this is used to control the inlet of outdoor air when the CO
2
concentration in the room exceeds a certain
value.
N O T E
• The DIP switches on the PCB of the RPI indoor units must be set.
• Use of the enthalpy sensor with the CO
2
detector is not compatible in the same Econofresh kit.
4 Electrical wiring
140
SMGB0063 rev. 1 - 10/2010
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