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MERIT
®
CBX25UHV SERIES
9 - The black box is fastened to the motor module at each
end with a strip of black double-sided tape. Starting at
one end, slide the putty knife between the black box
and the motor module. Carefully separate the black
box from the motor module. Clean off any
double-sided tape remaining on the motor module.
Figure 11. Black Box Separated from Motor Module
10 -Cut a small piece of tape and apply it to the back of the
black box. This will be used to test the position of the
black box. The goal is to raise the position of the box
on the module. Position the black box onto the module
higher than the original position.
Figure 12. Black Box Repositioned on Motor Module
11 - Slide the blower assembly into the cabinet to confirm
clearance between the horizontal drain pan and the
black box. Remove the blower assembly and relocate
the black box if necessary to achieve clearance. Make
note of the new position. Apply two new strips of
double-sided tape to the black box and affix it to the
module in the confirmed position.
12 -Slide the blower assembly back into the air handler
cabinet and install the two screws to secure the
assembly to the cabinet. Plug the motor wires back
into the motor and black box.
13 -Confirm that the black box is not touching the
horizontal drain pan.
Figure 13. Blower Assembly Installed in Air Handler
Cabinet with Required Clearance Between
Horizontal Drain Pan and Motor Black Box
