Power Supply Connection - AERMEC TRS 1001DX Manual Del Usuario

POWER SUPPLY CONNECTION

• Every Indoor unit must be connected to the power supply line, as shown in the
connection diagrams.
• Power cable: use a cable having the features indicated in the table provided in
this manual
• To protect the unit against short circuits, mounted on the supply line of ther-
momagnetic isolator switch with a minimum contact separation of at least
3mm in all poles.
WARNING: all serial connection cables must be kept separate from power supply
cables to prevent electromagnetic interference.
L
N
Outdoor
unit
Key:
IG: main switch (Line protection)
IL: line main switch (Indoor unit protection)
XT1: Power supply control board (220-240V~50Hz/208-230V~60Hz)
XT2: control board for serial connection
D1/D2: terminals for serial communication
H1/H2: terminals for control panel connection
L
N
IL
L N
XT1 XT1
XT2 D1 D2 H1 H2 XT2
Unit (1)
Wired panel
IL
IL
XT1 L N
L N
XT2 D1 D2 H1 H2
D1 D2 H1 H2
Unit (2)
Wired panel
IL
IL
XT1 L N
L N
XT1
120Ω
Terminating resistor
XT2 D1 D2 H1 H2
XT2 D1 D2 H1 H2
Unit (n)
Wired panel
Power supply
SERIAL CONNECTION:
Wired control panel
XT
XT
33