Display unit (AA4)
The display unit consists of:
■
a colour screen where all information is displayed.
■
a status lamp.
■
navigation buttons (OK button, Back button and
Control knob).
■
a USB socket.
■
a service socket.
FunctionStatus lamp
Normal functionLights green
Emergency mode activatedLights yellow
Alarm trippedLights red
41Chapter 5 | Component descriptionNIBE™ VVM 320