• Establish a procedure to routinely check the intercom
installation for integrity and proper operation.
• The product nameplate, which may contain cautionary or
other information 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 car-
rier stating the extent of the damage. Carefully check all envelopes,
shipping labels, and tags before removing or destroying them.
B. General Description
The equipment comprises a stainless steel enclosure contain-
ing a printed circuit board assembly providing the communications
and safety functions. A relay output module is provided as a standard
feature. The relay operates when the intercom is in ring mode.
A single N.O. contact is provided, rated at 240 volts a.c. / 3 amps.
This station must be powered from an Echo Central Control.
The data/power is supplied from the Central Control line cards. Please
refer to the instructions provided with the Central Control for full
operational details of the Echo system.
C. Mounting and Wiring
The E1 ECHO intercoms are designed for mounting on a flat
horizontal or vertical surface. See Figure 1 on page 3 for the mounting
dimensions.
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