40MULA: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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EVAPORATOR FLANGE FABRICATION
1. Using 26 gauge sheet metal and sheet metal snips, cut flange sections 1" high for the sides and back.
2. For the front, cut a 2" high section with a 1" break to attach to the top of the front section of the cabinet.
3. Use the inner cabinet dimensions in Table 4 to cut the flange section lengths.
4. Attach flange pieces to the inside of the coil cabinet with sheet metal screws. Allow for at least 1/2” of each flange section to be installed above the coil
to allow for the supply plenum to be connected.
Table 4 — Inner Cabinet Dimensions
INNER CABINET DIMENSIONS
18K/24K 30K/36K/48K 60K
in. mm in. mm in. mm
Supply Air Opening Width 16-3/16 411 19-3/4 502 23-1/4 591
Supply Air Opening Depth 18-5/8 473 18-5/8 473 18-5/8 473
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