5
warema_2052445_alhb_en_v2•2023-04-01
We reserve the right to make technical modifications
4 x AWG 20 UL black
JY(St)Y 4 x 2 x 0.8 mm ∅
junction box
on-site
Alternatively: Optional
power supply unit
(art. no. 2057430)
View from below
Strain relief
(fixing on the terminal
via cable tie)
Switch for integrated terminating
resistor 120 Ω
ferrules must
be used
‒ ‒ + +
A B
The wire colours may vary
depending on the
type of lines used.
*Recommended line type for
outdoor installations
** Insert bridge
**
-
+
A
B
ON OFF
0 V
B
24 V A
DC
24 V
230 V
AC
connecting line
230 V AC
L
N
NYM-J 3x1.5
Fig. 6 Omnexo Weather station pro with power supply unit wiring diagram