Installation and Maintenance Instructions
Loosen and remove the threaded cover by turning it counter-
1.
clockwise. Allow the cover to hang by the attached lanyard.
Plug the tone card (purchased separately) into the socket as
2.
shown in Figure 4.
L
L
(+)
(+)
POWER CONNECTOR
DETAIL
Rotate the card retainer into position over the tone card so that it
3.
holds the card in place (Figure 4).
See Figure 5 on page 15 and Figure 6 on page 16. Connect the
4.
positive (+) power-source lead to the terminal block labeled
Connect the negative (–) power-source lead to the terminal block
5.
labeled
Connect the additional positive (
6.
leads to the next speaker or to an end-of-line device.
Models 304X and 314X Explosion-Proof Amplified Speakers
12
Figure 4 Speaker with cover removed
SOCKET FOR TONE OR
CONNECTOR CARD
POWER
CONNECTOR
N
N
(-)
(-)
.
N–
TONE/CONNECTOR
CARD RETAINER
1/2" NPT
CONDUIT
ENTRANCES
) and negative (
L+
VOLUME
CONTROL
EARTH
GROUND
.
L+
) terminal
N–