NOTE:
• Circuit Breaker and Power Cord Specifications
are selected according to the Rated Power Input
(Rated Current Input) of the Unit. Rated Power Input
(Rated Current Input) is “Maximum” Power Input
(“Maximum” Current Input) of the Unit according to
EN 60335-1 and EN 60335-2-40.
• Reference conditions of the power supply cable
section calculation (according to the standard IEC
60364-5-52):
• Cable in conduit on a wall with Ambient;
• Temperaure 40 °C;
• Working Conductor Temperature 90 °C;
• Max Lenght 15 m;
• The Circuit Breaker Specifications are based on
Ambient Temperature 40 °C If Opearting Conditions
are different please calculate and adjust Circuit
Breaker Capacity according to the Circuit Breaker
Specification provide by manufacturer;
• The Circuit Breaker must have magnet trip function
and thermal trip function so that the system can be
protected from short circuit and overload D-Type
Thermal Magnetic Circuit Breaker is advice to be
used;
• The Circuit Breaker must have a contact separation
of at least 3 mm in all poles;
POWER CONNECTION
• Each indoor unit must be connected to the electrical
power supply line, as shown in the connection
diagrams.
• Power cable: use a cable with the characteristics
shown in the table of this manual.
• To protect the unit against short circuits, always
fit the power switch pole breaker with minimum
contact distance of at least 3mm in all poles.
WARNING:
• All the cables related to serial links should be
kept separate from the power supply cables to
avoid electromagnetic interference.
Indoor Unit
Power supply
Breaker
recommended
Section recommended
minimum
for the power cables
31
N(1) 2
3
