Wiring The Ex D Models; Figure 5 Ex D In/Out Pcb Connections - Federal Signal Global Serie Consignes D'installation Et De Maintenance

Tools needed:
• 1.5 mm A/F hexagon key
• No. 1 Phillips screwdriver
• Wire stripper

Wiring the Ex d Models

To wire the Ex d flameproof loudspeaker:
1.
Unscrew the M3 hex set screw on the side of the housing one full turn.
2.
Remove the cover from the housing by turning the cover counter-
clockwise. Three 120 degree spaced reliefs are provided for a 3/8 inch
spanner wrench if needed. If the cover will not unscrew, back out the set
screw a few additional turns.
3.
Loosen the captive Phillips screw retaining the driver/printed circuit
board (PCB).
4.
Slide out the PCB until the terminals clear the housing. Strip the wire
insulation 6.5 mm (.25"). Maximum screw tightening torque is 0.5Nm
(4.5in-lb)
5.
The Model G-SPK has five selectable wattage tap settings on the
high power setting and five selectable wattage tap settings on the
low power setting. See Table 1 for options and terminal block wiring
Model G-SPK Global Series Loudspeaker
Installation and Maintenance Instructions

Figure 5 Ex d in/out PCB connections

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