CDA hn6110 Manual For Installation, Use And Maintenance page 25

The following diagram shows the mains connection:
AC 220-240V 50/60Hz 20A*
Fig.6
* Calculated using the diversity factor following the standard EN 60
335-2-6/1990.
Any service call arising from incorrect installation may result in a
charge.
CDA and its representatives cannot be held responsible for any
matters resulting from incorrect connection, or related to either the
absense of an earth connection or a faulty earth connection.
25