OK button
The OK button is used to:
• confirm selections of sub menus/options/set values/page in the
start guide.
C
Back button
The back button is used to:
• go back to the previous menu.
• change a setting that has not been confirmed.
D
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
and service info).
E
Switch
The switch assumes three positions:
• On ( )
• Standby ( )
• Emergency mode ( )
Emergency mode must only be used in the event of a fault on the
heat pump. In this mode, the compressor switches off and the
immersion heater engages. The heat pump display is not illumin-
ated and the status lamp illuminates yellow.
F
USB port
The USB port is hidden beneath the plastic badge with the product
name on it.
The USB port is used to update the software.
Visit
and click the "Software" tab to download the
latest software for your installation.
G
NIBE F1255
Chapter 2 | The heat pump – the heart of the house
14
