Nibe HPAC45 Manual De Instalación página 17

Reversing valves
Valve positions
The heating/cooling modes are controlled by 4 reversing valves, which, depending on the outdoor temperature,
switch between the different modes.
QN13 QN15
The valve position in the valve housing is marked by two indentations on the valve shaft, see the image and table
below.
QN13
Heating
Passive cooling
Active cooling.
The above applies to powered systems.
The arrow and figure indicate in which position the valve is set.
QN14 QN16
QN15 QN14 QN16
GB
17