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Removing and replacing the enclosure door
The WEB-645-AX's cover (door) is removable. A knurled-edge, slotted-head screw secures the door closed.
NOTE: For a more secure installation, use a padlock in the security tab that protrudes through the door.
Remove or replace the enclosure door.
Removing the enclosure door allows more light inside the unit, and makes mounting and wiring easier.
1. Loosen the cover screw and open the enclosure door about half way.
2. If the grounding wire near the bottom is fastened to the screw post on the inside of the door, use a 1/4" (6mm) nut driver to
unfasten it from the door. Set the nut aside to reuse later.
1
2
3
3. Slide the door towards the top of the unit, until the hinge tabs on the door clear the hinge slots on the enclosure.
4. Lift the door away from the unit.
When installation is finished, replace the door and grounding wire in the reverse fashion Enclosure knockouts and mounting
notes
NOTE: The WEB-645-AX's enclosure has seven 1/2" (13mm) knockouts: one on top (for AC line power), two on the left
side, and four on the bottom (typically used for RS-485 cabling or other communications cabling). As needed,
locate and remove the necessary knockouts and install the necessary conduit or cable clamps in the knockout
holes. (This may easiest to do before mounting the controller to the wall).
Mounting the controller.
1. With the controller's enclosure door opened or removed, position the controller on the wall in the location where you are
installing it.
2. Make sure that the location provides the necessary minimum clearances around the controller's enclosure (left and right
sides, top and bottom). See Fig. 1. on page 4.
3. Carefully mark the mounting hole locations, and remove the controller.
4. Drill the needed pilot holes in the wall. For example, if using wall anchors you might drill 5/16" holes.
5. Mount the controller to the wall using the appropriate fasteners.
6. As needed, install wiring conduit to the controller's enclosure.
See "Board Layout," page 6 and "Wiring Summary," page 7 for further details.
Screw post on
inside of enclosure
1
door.
Green grounding
2
wire with eyelet.
1/4" Keps nut to
secure grounding
wire to post.
3
5
WEB-645, CP-645 NETWORK CONTROLLER
62-0432—01
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