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INSTALLATION AND SERVICE INSTRUCTIONS
FOR
MODEL AD-28LD-MV
SAFETY MESSAGE TO INSTALLERS, USERS AND
MAINTENANCE PERSONNEL
It is important to follow all instructions shipped with this prod-
uct. This device is to be installed by a trained electrician who is
thoroughly familiar with the National Electrical Code and will follow
NEC Guidelines as well as local codes.
The selection of the mounting location for the device, its controls
and the routing of the wiring is to be accomplished under the direc-
tion of the facilities engineer and the safety engineer. In addition,
listed below are some other important safety instructions and precau-
tions you should follow:
• ThisisnotaListedsafetydeviceandisnotintendedtobe
used as such.
• Readandunderstandallinstructionsbeforeinstallingor
operating this equipment.
• Disconnectpowerbeforeconnectingordoinganymainte-
nance on this intercom.
• Alleffectivewarningspeakersproduceloudsoundswhich
may cause in certain situations, permanent hearing loss.
Youshouldtakeappropriateprecautionssuchaswearing
hearing protection.
• Aftertestingiscomplete,provideacopyofthisinstruction
sheet to all operating personnel.
• Establishaproceduretoroutinelychecktheintercom
installationforintegrityandproperoperation.Anymain-
tenance must be performed by a trained electrician in
accordance with NEC guidelines and local codes.
Failure to follow all safety precautions and instructions may re-
sult in property damage, serious injury, or death to you or others.
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