Johnson ICEBERG Serie Manuel D'instructions page 91

X/HAX/HB
L N
Master unit
Fuse
On/Off switch
Indoors
Power supply
Distribution box
The cascade system electrical control system connection diagram(1N~)
X/HAX/HB
L1 L2 L3 N
Master unit
Fuse
On/Off switch
Power supply
Distribution box
The cascade system electrical control system connection diagram(3N~)
1. The cascade function of the system only supports 6 machines at most.
2. In order to ensure the success of automatic addressing, all machines must be connected to the same
power supply and powered on uniformly.
3. Only the Master unit can connect the controller, and you must put the SW9 to "on" of the master unit, the
slave unit cannot connect the controller .
4. Please use the shielded wire, and the shield layer must be grounded.
SW9
OFF Slave unit
ON
Master unit
Please use the shielded wire, and the shield layer must be grounded.
L N
H1 H2
Slave unit 1
Fuse Fuse
Distribution box Distribution box
SW9
OFF Slave unit
ON Master unit
Please use the shielded wire, and the shield layer must be grounded.
L1 L2 L3 N L1 L2 L3 N
H1 H2
Slave unit 1
Fuse Fuse
Distribution box Distribution box
CAUTION
30
L N
L N
H1 H2
......
Slave unit 2
Fuse
Distribution box
L1 L2 L3 N
H1 H2
......
Slave unit 2
Fuse
Distribution box
H1 H2
Slave unit x
Only the last IDU
requires adding the
build-out resistor at
H1 and H2.
Build-out resistor
H1 H2
Slave unit x
Only the last IDU
requires adding the
build-out resistor at
H1 and H2
Build-out resistor
V.1