4.3 REQUIRED MULTI KITS
The following multikits (sold separately) are necessary to interconnect piping between outdoor and indoor unit:
(Picture for illustrative purpose only)
Indoor Unit Multikit reference
RPI-16.0FSN3PE E162SN3
RPI-20.0FSN3PE E242SN3
4.4 DRAIN PIPE
For condense draining (2 locations), prepare a polyvinyl chloride
pipe with a Ø25mm. OD (outer diameter).
Fasten the eld supplied pipe to the Drain Hose with adhesive.
The drain piping should be performed with a down-slope pitch of
1/25 to 1/100.
Connect a syphon, as shown at the gure below.
>75 mm
Slope 2%
Plug
NOTE
Keep Electrical Box and Drain Pipe connection free of refrigerant
pipes.
CAUTION
It is very important the syphon installation in order to guarantee
the proper condensate draining.
5 ELECTRICAL WIRING
5.1 GENERAL CHECK
• Make sure that the following conditions related to power sup-
ply installation are satised:
- The power capacity of the electrical installation is large
enough to support the power demand of the indoor unit.
- The power supply voltage is within ±10% of the rated volt-
age.
- The impedance of the power supply line is low enough
to avoid any voltage drop of more than 15% of the rated
voltage.
• Following the Council Directive 2004/108/EC, relating to elec-
tromagnetic compatibility, the table below indicates the Maxi-
mum permitted system impedance Z
max
at the interface point
of the user’s supply, in accordance with EN61000-3-11.
Indoor unit Z
max
(Ω)
RPI-16.0FSN3PE 1~ 0.44
RPI-20.0FSN3PE 1~ 0.40
• The status of Harmonics for each model, regarding compli-
ance with IEC 61000-3-2 and IEC 61000-3-12, is as follows:
Status regarding compliance with IEC
61000-3-2 and IEC 61000-3-12
Models
Equipment complying with IEC 61000-3-12
RPI-16.0FSN3PE
RPI-20.0FSN3PE
• Check to ensure that existing installation (mains power switch-
es, circuit breakers, wires, connectors and wire terminals) al-
ready complies with the national and local regulations.
7
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