Federal Signal Global Serie G-SND Sounder Instalación Y Instrucciones De Mantenimiento página 13

Installation and Maintenance Instructions
This section has wiring instructions for the flameproof models G-SND 24 Vdc,
120 Vac, 220-240 Vac.
Ex d units are supplied with an eleven-position PCB mounted screw terminal
block. The maximum wire gauge is 4 mm (12 AWG). The wire must be rated
2
85 °C or higher. Use only stranded cable to terminate the sounder. The cross-
sectional area of the primary earth (ground) must equal the cross-sectional area
of the phase conductor.
Cable termination for these models should be in accordance with specifications
applying to the application. It is recommended that all cables and cores should
be fully identified. Use the appropriate cable gland for the application. Gland
entry threads are M20-1.5 x 6H.
Tools needed:
• 1.5 mm A/F hexagon key
• 2 mm flat-tip screwdriver
• No. 1 Phillips screwdriver
• Wire stripper
Figure 6 Ex d in/out PCB connections
VOLTAGE
SELECTOR
SWITCH
R1
D4
D2
D8 D7 D6 D5
DC
120
S2 S1
AC
230
D1
D3
F2 F1
J1
T4 T3 T2 T1 SEL EARTH L2 L2 L1 L1
Model G-SND Global Series Sounder
13