Installation and Maintenance Instructions
G-SND-XXX-D
(Ex db
surface mount)
G-SND-XXX-E
G-SND-XXX-D
(Ex db
surface mount)
G-SND-XXX-E
(Ex db e
surface mount)
UL Fire Alarm Certifications
The audible sounder models that are powered using 24 Vdc input are Listed by
Underwriters Laboratories (UL) for use in fire alarm applications. The 120 Vac
and 230 Vac inputs have not been evaluated. These models have the following
nomenclature:
G-SND-MV-D, G-SND-MV-D, G-SND-MV-T, and G-SND-024-E. They have an
electrical rating of 515 mA maximum at 24 regulated voltage Vdc (16 Vdc to 33
Vdc).
NOTE: UL only evaluated this product to the stated operational voltage range. It was
not evaluated to 80% to 110%. of the voltage range.
The sounder is factory-set with the tone selector switch set to the
No. 12 setting. This is a constant 1 kHz tone. This is the only tone setting that
has been evaluated for fire alarm applications. At this tone the sounder has a
sound pressure level of 79.0 dB. See Figure 9 for the dispersion characteristics.
24
Cable entry devices shall be equipment certified as
flameproof. To maintain the ingress protection of the
Gas
flameproof sounder enclosure, we recommend the
cable entry device be IP66 certified.
For the flameproof enclosure, cable entry devices
shall be equipment certified as flameproof. To
maintain the ingress protection of the flameproof
enclosure we recommend the cable entry device
Gas
be IP66 certified. For the increased safety terminal
enclosures (terminal boxes), cable entry devices shall
be equipment certified as increased safety and shall
maintain an IP rating of IP54.
Cable entry devices for the and terminal enclosures
shall be equipment certified as dust protected. To
Dust
maintain the ingress protection of the sounder and
terminal enclosures the cable entry devices shall be
IP6X certified.
Model G-SND Global Series Sounder