23
R1BK_50-RAD-ING-Manuale-1812.1_SK.3
1 A
lim
en
tazi
one
ele
ttr
ica
_R
1B
K
50
-7
5-1
00
_E
N
1 A
lim
en
tazi
one
ele
ttr
ica
_R
1B
K
50
-7
5-1
00
_E
N
1. INSTALLATION
INST
ALLER
1.1.15. POWER SUPPLY
To power the boiler connect the electrical cables to the terminal inside the electricl connection box as
follows:
DANGER
Cut off the voltage from the main switch.
› remove the boiler’s front casing (refer to chapter ACCESSING THE BOILER
› access the terminal box of the electrical connection box and proceed with the electrical connection as
shown in the wiring diagram;
After performing these operations, remount the front casing.
Ta
L
N
Ta
Se
Se
IB
4
3
2
1
F
N
INSTALLATION
IB - BIPOLAR SWITCH
power supply
230 V-50 Hz
el
ec
tr
ic
al
co
nn
ec
tio
n b
ox
in dotted lines the electrical
connections by the installer
fig. 1