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If the unit has a second level fan, it is necessary to remove the
screws, as shown in the figure below, before joining the mixing
or filter section to the coil section.
Figure 26. Joining mixing, return, and other accessories section to unit with second level fan
3. Slide the sections together so the side flanges overlap the
main section.
4. Align the top and bottom holes and replace the screws.
Figure 27. Bring sections together, align holes
5. Use pipe clamps or other means to crowd the sections, if
needed.
6. Make sure to provide enough protections to the sections,
so the clamps do not damage it.
7. Only top and bottom mounting holes will be aligned.
8. Use self drilling screws on the other section mounting
holes.
9. Make sure the section joint gasket is compressed and
sealed properly.
CLCH-SVX009L-EN
Final assembly with
screws removed
Remove Bottom Two Screws:
0.250 - 10 x 3 hex washer
head tapping
Fan Removal
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury. Disconnect all electric
power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized.
When the air handler must fit into a tight space, the second
level fan section of a vertical unit can be removed to maneuver
the unit into the space. Removal will require field-supplied
lifting lugs (part # LUG00180).
1. Remove screws (Item 2) located in front and rear panels of
second level fan portion.
2. Install four lifting lugs (Item 1). Install two on front panel and
two on rear panel of second level fan portion using screws
(Item 2). See
Installation - Mechanical
WARNING
Figure
28.
29
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