BLUEHELIX TOP RRT K 50
225
EN
cod. 3541Q281 - Rev. 02 - 10/2020
When connecting a time control or timer, do not take the power supply for such de-
vices from their cutoff contacts. Their power supply must be via a direct connection
from the grid or with batteries, depending on the kind of device.
Accessing the electrical terminal block and fuse
Remove the front panel ( *** 'Opening the front casing and sealed chamber panel' on page 244 ***) to access the ter-
minal block (
M
) and fuse (
F
) by proceeding as follows (fig. 19 and fig. 20).
The terminals indicated in fig. 20 must be
with voltage-free contacts (not 230V)
. The arrangement of the terminals for the various connections is also given in
the wiring diagram in fig. 42.
fig. 19
fig. 20
F
M
72
139
138
A
1 2 3 4 5 6
L N