Ferroli OMNIA M 3.2 Installation And Owner's Manual page 140

SW9
L N
Master unit
Fuse
On/Off switch
Indoors
Power supply
Distribution box
The parallel system electrical control system connection diagram(1N~)
SW9
L1 L2 L3 N
Master unit
Fuse
On/Off switch
Power supply
Distribution box
The parallel system electrical control system connection diagram(3N~)
CAUTION
1 The parallel 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
Master
unit
select
ON
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
Master
unit
select
ON
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
41
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
P and Q.
Build-out resistor
H1 H2
Slave unit x
Only the last IDU
requires adding the
build-out resistor at
P and Q.
Build-out resistor