Explanation Of Graphical Symbols - Honeywell HRHD4+ User Manual

Explanation of Graphical Symbols

This symbol alerts the user to the presence of uninsulated dangerous
voltage within the product's enclosure that may be of sufficient
magnitude to constitute a risk of electric shock.
This symbol alerts the user to the presence of important operating and
maintenance (servicing) instructions in the literature accompanying the
appliance.
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.