4 Electrical wiring
129
4
SMGB0077 rev.0 - 01/2013
Type of main switch
Select the main switch according to the following table:
Model Power source Maximum current (A) CB (A)
ELB
(nº poles/A/mA)
(mm2)
All indoor units (*)
1~ 230V50Hz
5 6
2/40/30
KPI-252E3E 4 6
KPI-502(E/H)3E KPI-
502X3E
4 6
KPI-802(E/H)3E KPI-
802X3E
4 6
KPI-1002(E/H)3E KPI-
1002X3E
8 10
KPI-1502(E/H)3E 8 16
KPI-2002(E/H)3E 8 16
(*)
Except RPI-(8.0/10.0)FSN3E
4.1.2 Electrical connection of RCI units
Work prior to the electrical connection
1 Turn off the power supply switches before starting work and îš¿t the appropriate locks and safety warnings.
2 Wait 5 minutes after turning off the power supply switches.
3 Check that the fans on the indoor and outdoor units are at a standstill before starting work.
N O T E
• Theelectricalpowerfortheunitmustinvolveaspecicpowerline,withanexclusivepowercontrolswitchand
residual current breaker, installed in line with local or national safety regulations.
• Check that the electrical power line has enough capacity to supply the unit. Its length, the cable diameter and
their protection (sleeve or jacket) must be appropriate for the unit.
• For further information, always consider the current regulations in the country where the unit is to be installed.
C A U T I O N
• Riskofre:cablesmustnevertouchtherefrigerantpipes,printedcircuitboards(PCB),sharpedgesorelec-
trical components inside the unit to avoid damaging them.
• Loose connection terminals may lead to cable and terminal overheating. The unit may operate incorrectly,
leadingtoariskofre.Checkthatthecablesarermlysecuredtotheconnectionterminals.
Electrical connection
Check that the power supply for the RCI indoor unit is 230 V. If not, replace the CN connectors on the TF transformers in
the electrical box.
Make the connection between the indoor unit and the air panel.
N O T E
• To prevent the screws from falling from the terminal strip, do not remove them completely, hold onto the ter-
minal and check that the screw is secure through the hole.
• Use the following screws for the terminal strip:
- M4 screw for the power supply.
- M3.5 screw for the communication line.
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