Lennox International Inc Merit CBX25UH Series Right-Handair Discharge, 018through, Page

Models: Merit CBX25UH Series Lennox Air Handler

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RIGHT-HAND AIR DISCHARGE

5.If the unit is suspended, the entire length of the cabinet must be supported. If you use a chain or strap, use a piece of angle iron or sheet metal attached to the unit (either above or below) to support the length of the cabinet. Use securing screws no longer than 1/2 inch to avoid damaging the coil or filter. See figure 2. Use sheet metal screws to connect the return and supply air plenums as required.

RIGHT-HAND AIR DISCHARGE

For horizontal right-hand air discharge, the following field modifications are required.

1.Remove and set aside blower and coil access covers.

2.Remove bracket(s) securing pan(s) to unit as illustrated in figures 4 and 5.

3.Remove coil assembly, bottom drain pan and horizontal drain pan as one assembly from the air handler.

4.Move the horizontal drain pan to the opposite side of the coil. Be sure drain holes toward the back of the unit are plugged. Remove the plugs from the front drain pan ports.

5.Re-install modified coil/drain pan assembly in air handler in the same orientation as before (figures 6 and 7).

 

INSTALL BRACKET

 

SECURING MAIN

 

DRAIN PAN TO UNIT.

 

Figure 6. Install Main Drain Pan Mounting Bracket

 

(-018 through -036)

REMOVE BRACKET

 

SECURING MAIN

 

DRAIN PAN TO UNIT.

 

Figure 4. Remove Main Drain Pan Mounting Bracket

(-018 through -036)

 

REMOVE BRACKETS

 

SECURING BOTH

 

DRAIN PANS TO UNIT.

REMOVE BRACKETS

 

 

SECURING BOTH

 

DRAIN PANS TO UNIT.

 

Figure 7. Install both Horizontal and Main Drain Pan

 

Brackets (-042 through -060)

 

6. Remove two screws securing the blow-off prevention

Figure 5. Remove Horizontal and Main Drain Pan

bracket. Rotate the brackets 180º and reinstall using

Mounting Brackets (-042 through -060)

the same screws. See figure 8.

 

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CBX25UH SERIES

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Lennox International Inc Merit CBX25UH Series Right-Handair Discharge, Install Main Drain Pan Mounting Bracket, 018through