Dimplex PRISM Owner's Manual page 6

IMPORTANT SAFETY INSTRUCTIONS
WARNINg: In order to avoid a hazard due to inadvertent
resetting of the thermal cut-out, this appliance must not be
supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly switched on
and off by the utility.
CAUTION: some parts of this product can become very
hot and cause burns. Particular attention has to be given
where children and vulnerable people are present.
the heater carries the Warning symbol
indicating that it must not be covered
SAVE THESE INSTRUCTIONS