Valve Position Checks - Nibe HPAC 40 Manual De Instalación

GB
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.
Heating
Passive cooling
Active cooling.
The above applies to powered systems.
The arrow indicates in which position the valve is set.

Valve position checks

There are signs at the sides of the valves where it can be
checked that the valve outlets point in the directions de-
scribed above.
Caution
When changing the heating/cooling mode, there
is a delay of approximately 60 seconds before
the valves change their positions.
18
QN13 QN15
lit lit
lit lit
not lit not lit
QN14 QN16
lit lit
not lit not lit
not lit not lit