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).
Model G-SPK Global Series Loudspeaker
Installation and Maintenance Instructions
Figure 10 Ex d in/out PCB connections
HIGH
POWER
J2
LOW POWER
J4
2W
10W
J1
15W
1
J3
0.1W
0.7W
1W
20000203
HIGH POWER
80hm
80hm
2W
5W
5W
7W
10W
15W
7W
EARTH
2
3
4
0.5W
0.3W
0.1W
1W
0.7W
0.3W
0.5W
LOW POWER
15