63 / GB
ANODE
SE
TNK
BUS
TA 1
TA 2
MOD. BUS
GND A+ B-
B T
IN
AUX 1
+24V
30mA
3G 4 mm²
3G 4 mm²
0,5 mm²
T
N
XXA
ON
OFF
N
XXA
N
30mA
T
N
ON
OFF
XXA
N
N
XXA
*
1 ph
3 ph
WARNING
After carrying out the connections between the indoor and outdoor unit, put back both panels of the respective units.
Electrical connections between internal and external unit
Before any work on the system, shut off the power at the breaker. Electrical connections between internal and external units must be performed using
the three low voltage terminals: GND, A, B.
Connect «GND» on the terminal block of the internal unit with «GND» on the external terminal block.
Connect «A+» terminal block on the internal unit with «A» on the external terminal block.
Connect «B-» terminal block on the internal unit with «B» on the external terminal block.
NOTE
It is strongly recommended to verify the presence of a surge protection device (SPD) on main power line and of circuit breakers
connected to the external and internal unit’s control box
* See table of electrical connections
Summary of Contents for 3300919
Page 8: ...8 IT 1106 383 1016 670 ø 10 374 1506 383 1016 670 ø 10 374 70 S 70 S T EXT 9 0 110 S T EXT ...
Page 22: ...22 IT SCHEMA ELETTRICO QUADRO UNITÀ ESTERNA 3 ph 1 ph ...
Page 50: ...50 GB 1106 383 1016 670 ø 10 374 1506 383 1016 670 ø 10 374 70 S 70 S T EXT 90 110 S T EXT ...
Page 64: ...64 GB 3 ph 1 ph ELECTRICAL SCHEME BOX OF EXTERNAL UNIT ...
Page 86: ...86 IT ...
Page 87: ...87 IT ...