Installation
4-6
UOMu_^MVMO
4.2 Electrical installation
4.2.1
Important notes
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Mains
Operation of the controller
Notes
With grounded neutral No restrictions
Observe controller ratings
Operation of several 820X
controllers connected to a mains
3AC / N / PE and symmetrical
distribution to the three outer
conductors excepted
D
Observe the load of the shared
N-conductor.
- r.m.s. current, see chapter 3.2
D
Possibly enlarge the cross-section
of the N-conductor.
With isolated neutral
(IT mains)
Operation with recommended
mains filters is not possible
D
Mains filter will be destroyed if
”earth fault” occurs.
D
Contact Lenze.
With grounded phase
Operation only possible with one
variant
Contact Lenze
DC supply via +U
G
/-U
G
DC voltage must be symmetrical
to PE
Controller will be destroyed when
groU
G
-Leiter or -U
G
-Leiter
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