14 • Chapter 3: Installation
AirLink 7543 Gas Monitor Operator’s Manual
Figure 5: DC Wiring
6. Close the Front Panel.
7. Screw in the thumb-screws.
8. Close the enclosure box.
9. Clamp down the enclosure latches.
Connecting an AC Power Source
NOTE:
The AirLink 7543 is configured for AC or DC operation, depending on how it is ordered. If
you are using DC power as the primary power source, go to the previous section, “Connecting
a DC Power Source”.
WARNING: Verify that the power source is unplugged or turned off before you continue with this
procedure.
1. Open the enclosure box to expose the Front Panel.
2. Unscrew the two thumb-screws on the Front Panel.
3. Open the Front Panel so that the AC (Delta) Power Supply is exposed.
