8
Installation and Maintenance Instructions
Models 304X and 314X Explosion-Proof Amplified Speakers
Table 2 Model 314X specifications
Operating Voltage:
Regulated 24 Vdc (16 Vdc to 33 Vdc)
Maximum Current:
0.90 A
Standby Current:
0.13 A
Operating Temperature: -40 ºF to 150 ºF (-40 ºC to 66 ºC)
Net Weight:
16.4 lb (7.4 kg)
Shipping Weight:
32.4 lb (14.7 kg)
Dimensions:
19.5 in D x 18.8 in H x 16.7 in W
495.30 mm D x 477.52 mm H x 424.17 mm W
Ingress Protection:
IP65 and NEMA 4X Approved
Construction:
Aluminum enclosure and adjustable steel
mounting bracket with a powder-coat finish.
Compatible Tone Modules: TM2 or UTM
Compatible Speaker Connector Cards: AM25CK*, AM70CK*,
or 300CKS
*Series A versions of these connector cards are not compatible.
Table 3 Tone and Connector Card UL Audibility Ratings
Rating:
UL dB (A) Sound Pressure per UL1480
Speaker:
304X
314X
Audibility Rating*:
91
97
AM25CK:
101
99
AM70CK:
101
99
*Based on TM6, HORN
Mounting the Speaker
The speaker can be mounted on any relatively flat surface capable
of supporting the weight of the speaker. Conduit connections can be
made to the 1/2
"
NPT threaded openings at bottom of the housing
(see Figure 4 on page 12).
To mount the speaker:
1.
Remove the two 1/2
"
-13 hex-head bolts, flat washers, and
lockwashers that secure the mounting bracket to the speaker.