OK button
The OK button is used to:
႑
confirm selections of sub menus/options/set values/page in the
start guide.
C
Back button
The back button is used to:
႑
go back to the previous menu.
႑
change a setting that has not been confirmed.
D
Control knob
The control knob can be turned to the right or left. You can:
႑
scroll in menus and between options.
႑
increase and decrease the values.
႑
change page in multiple page instructions (for example help
text and service info).
E
Switch
The switch assumes three positions:
႑
On ( )
႑
Standby ( )
႑
Emergency mode ( )
Emergency mode must only be used in the event of a fault on the in-
door module. In this mode, the compressor switches off and the im-
mersion heater engages. The indoor module display is not illuminated
and the status lamp illuminates yellow.
F
13NIBE™ VVM 500Chapter 2 | The heating installation – the heart of the house
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