INSTALLATION AND SERVICE INSTRUCTIONS
FOR
MODEL EZ1 ECHO INTERCOMS
SAFETY MESSAGE TO INSTALLERS, USERS AND MAINTENANCE PERSONNEL
It is important to follow all instructions shipped with this product. This device
is to be installed by a trained electrician who is thoroughly familiar with the Country
Electric Codes and will follow the guidelines as well as local codes.
The selection of mounting location for the device, its controls and the routing of
the wiring is to be accomplished under the direction of the facilities engineer and the
safety engineer. In addition, listed below are some other important safety instructions
and precautions you should follow:
•
Read and understand all instructions before installing or operating this
equipment.
•
Disconnect intercom from the power supply before any installation or
maintenance is performed.
•
Power is only to be provided from the Central Control. This intercom is
not for stand-alone use.
•
After installation, test the intercom system to ensure that it is operating
properly.
•
After testing is complete, provide a copy of this instruction sheet to all
operating personnel.
•
Establish a procedure to routinely check the intercom installation for
integrity and proper operation.
•
The product nameplate, which may contain cautionary or other informa-
tion of importance to maintenance personnel, should not be obscured in
any way.
Failure to follow all safety precautions and instructions may result in property
damage, serious injury, or death.
I. INSTALLATION.
A. Unpacking.
After unpacking the unit, examine it for damage that may have occurred in
transit. If the equipment has been damaged, do not attempt to install or operate it.
File a claim immediately with the carrier stating the extent of the damage. Carefully
check all envelopes, shipping labels, and tags before removing or destroying them.
B. General.
The equipment comprises of a polymeric enclosure containing a potted
printed circuit board assembly providing the communications and safety functions.
The design incorporates intrinsically safe barriers to the handsets and other ancillary
devices. The relay output module is available as an optional extra. The relay oper-
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Summary of Contents for ez1 echo
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