Johnson AURUM R290 M Serie Guide D'utilisation page 86

For one-step control IBH:
1 5
17
CN11
IBH1 C1
Power supply
7 5 3 1
A1
KM8
A2
8 6 4 2
TCO
ATCO
For two/three - step control IBH:
14151718
CN11
IBH2 IBH1 C1 C1
Power supply
7 5 3 1
A1
KM9
A2
8 6 4 2
TCO
ATCO
Voltage
Maximum running current (A)
2
Minimum wire size (mm )
Control port signal type
NOTE
The unit only sends an ON/OFF signal to
the heater.
IBH2 cannot be wired independently.
External IBH
External IBH
220-240 V AC
0.2
0.75
Type 2
29
6.5.7 Wiring of room thermostat (RT)
Room thermostat (low voltage): "Power supply"
provides the voltage to the RT.
NOTE
The room thermostat must be low-voltage.
RT1
Method A
(Mode setting control)
Power supply
RT1
Method B
(Single-zone control)
Power supply
HT
COM
CL
HT
COM
V.1