Danfoss DHP-A User Manual page 12

connected when the compressor is running and must only be selected
on the condition that the building where the heat pump is installed has
a large heating demand and the building's electric installation is suita-
ble for high current consumption.
In the event of an alarm, the auxiliary heater engages automatically on
the condition that operating mode AUTO is selected and that at least
one additional step is permitted.
10 – User manual VUBMA902