Installation
February 2011 2-6 P/N 06-237041-001
2-4.2 Semi-Flush Mounting of Main or Expansion Enclosures
To semi-flush mount the control unit:
1. Cut and plumb an opening in the wall on which the control unit will be mounted:
• approximately 15 in. wide by 32 in. high (see Figure 2-2 (a) for 3-Tiered Enclosure)
• approximately 15 in. wide by 23 in. high (see Figure 2-2 (b) for 2-Tiered Enclosure)
2. Position and plumb the enclosure in the opening made in Step 1. Ensure that the front edge of
the enclosure is at least 3/4 inches from the surface of the wall. Center the enclosure within the
opening as closely as possible.
3. Secure the enclosure to the wall with appropriate mounting bolts (up to size 1/4-20). The
enclosure may optionally be mounted to adjacent wall studs. Holes for stud mounting must be
drilled as required into the side of the enclosure.
4. Attach wiring conduit to the enclosure through the knockouts, and pull the required number of
wires through the conduit to the enclosure. Leave approximately 2 to 3 feet of wire length in the
enclosure for field wiring connections.
5. Slide trim ring over the enclosure and fasten to wall using the included double-sided tape. Refer
to Figure 2-3.
(a) (b)
Figure 2-2. Rough Openings for 3-Tiered (a) and 2-Tiered (b) Main and Expansion Enclosures
15 in.
66 in.
32 in.
(FLOOR)
15 in.
66 in.
23 in.
(FLOOR)
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