Nibe VVM 225 User Manual page 13

Status lamp
B
The status lamp indicates the status of the indoor module. It:
• lights green during normal operation.
• lights yellow in emergency mode.
• lights red in the event of a deployed alarm.
OK button
C
The OK button is used to:
• confirm selections of sub menus/options/set values/page in the
D Back button
The back button is used to:
• go back to the previous menu.
• change a setting that has not been confirmed.
E Control knob
The control knob can be turned to the right or left. You can:
• scroll in menus and between options.
• increase and decrease the values.
• change page in multiple page instructions (for example help text
Switch
F
The switch assumes three positions:
• On ( )
• Standby ( )
• Emergency mode ( )
Emergency mode must only be used if there is a fault in the electric
boiler/indoor module. In this mode, the compressor switches off
and the immersion heater engages. The indoor module display is
not illuminated and the status lamp shines yellow.
NIBE VVM 225
start guide.
and service info).
Chapter 2 | The heating installation – the heart of the house 13