60 / GB
L N
EH1 EH1 ST1 ST1
B T
ANODE
SE
TNK BUF BUS
TA 1
TA 2
B T
IN
AUX 1
+24V
30mA
T
N
XXA
ON
OFF
N
XXA
N
30mA
T
N
ON
OFF
XXA
N
N
XXA
*
1 ph
3 ph
0,5 mm²
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.
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