Johnson AURUM R290 M Serie Guide D'utilisation page 90

Input voltage (HA/HB)
The maximum length of the communication wire between the unit and the controller is 50 m.
Route
Bottom-side wiring out
HA
H1
HB
H2
E_H
Place of lower-side
wire outlet
DETAIL A
SCALE 2:1
Inside wall wiring (with an 86-type box)
46 mm
60 mm
7.4 Mounting
Only wall-mount the wired controller, instead of embedded, otherwise maintenance will not be possible.
Mounting on a wall (without an 86-type box)
Directly install the back cover on the wall with four ST 4 x 20 screws.
Wire size
Wire type 2-core shielded twisted pair cable
Wire length
Electrical box
Wiring
hole
NOTE
33
18 V DC
2
0.75 mm
L1 ≤ 50 m
Lower-side
wire outlet
Inside wall wiring (without an 86-type box)
Wall hole and wiring hole
Diameter: Φ 8-Φ 10
V.1