Lennox CB26UH Unit Information page 11

Suspending Horizontal Unit
ANGLE IRON OR
SHEET METAL
1/2 in. Screws max.
AIR
FLOW
FRONT VIEW
FIGURE 8
IMPORTANT
When removing the coil, there is possible danger of
equipment damage and personal injury. Be careful
when removing the coil assembly from a unit
installed in right− or left−hand applications. The coil
may tip into the drain pan once it is clear of the cabi-
net. Support the coil when removing it.
Right−Hand Air Discharge Modification
Right−Hand Air Discharge Configuration
Drains
RIGHT-HAND DRAINS
FIGURE 9
For horizontal right−hand air discharge, the following field
modifications are required.
1. Remove and set aside blower and coil access covers.
2. Remove the coil support bracket (see detail A, figure
10).
3. Remove coil assembly, bottom drain pan and horizon-
tal drain pan as one assembly from the air handler.
4. Remove the drain plugs from back of horizontal drain
pan and reinstall in the front holes.
5. Remove two screws and blowoff prevention bracket
( BP BRACKET" in figure 10). Rotate the bracket 180º
and reinstall using the same screws.
6. Move horizontal drain pan to the opposite side of the
coil. Plugged drain holes will now be toward the back
of the unit (see figure 11).
7. Re−install modified coil/drain pan assembly in air han-
dler in the same orientation as before.
8. Install the coil support bracket on the opposite side of
the air handler (detail B, figure 10)..
Electrical Inlet Clear-
ance 4 in. (102 mm)
END VIEW
AIR AIR
FLOW FLOW
KNOCKOUT
Page 11
Field Modification for Right−Hand Discharge
REMOVE
DRAIN PAN
FROM HERE
THEN...
REINSTALL
PAN HERE
REMOVE 2
SCREWS AND
BP BRACKET
FROM HERE
THEN...
ROTATE BP
BRACKET AND
REINSTALL
REMOVE
COIL SUPPORT
BRACKET
FROM HERE
THEN...
REINSTALL
BRACKET
BRACKET
SHOWN AS
SHIPPED
BRACKET
SHOWN FOR
RIGHT HAND
DISCHARGE
DETAIL A
FIGURE 10
Right-Hand Discharge Drain Plug Location
ORIGINAL
PLUG
LOCATION
NEW PLUG
LOCATION
FIGURE 11
HERE
DETAIL B
PLUGGED
END
COIL
ASSEMBLY
OPEN END FOR
CONDENSATION
DRAIN