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NRR 2-52, NRR 2-53, URB 55 - Installation & Operating Manual -
850646-00
Visual display and operating unit URB 55
Switching on the supply voltage
Please switch on the supply voltage for the NRR 2-5x level controller and/or the LRR 1-5x and the URB 55
visual display and operating unit.
■
For the level controller(s), the LED first lights up orange, then green.
■
The home screen of the URB 55 visual display and operating unit appears.
■
If two controllers are connected to the visual
display and operating unit, both controllers
will be shown, see example.
If you tap one of the controller over-
view screens, a full screen for that
controller will open on the display, see
screenshot below.
■
If just one controller is connected, the home
screen of this controller will be shown
(example).