Lennox International Inc LB-89657A, LB-89658A, LB-89657B, 16L25 Supply AIR Transition, Filter Rack

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INSTALLATION OF SUPPLY AIR TRANSITION

AND EXTERNAL FILTER RACK (KIT CAT# 161.23 AND 16L24)

ADHESIVE-BACKED FOAMTAPE

_ SUPPLY AIR TRANSITION

SECURING SCREWS (2 each side)

SUPPLY AIR TRANSITION

SMALL END OF TRANSITION

INSTALL LARGE END OF TRANSITION TO FRONT OF UNIT.

(If unit in installed one inch further

to the rear rotate transition 180 degrees.)

CUT OPENING IN CABINET USING

CABINET KNOCKOUT GUIDES

KED

FOAM TAPE

EXISTING BLOWER

DECK SCREWS (3)

ii

FILTER RACK

FILTER RACK DOOR

B

EXISTING BASE

 

 

SCREWS (3)

THUMB SCREW -_. _;_

 

 

CUT OPENING IN FILTER RACK AS FOLLOWS:

Note - In 16 inch (40.6 cm) filter applications, remove filler piece before cutting opening.

1 - Measure horizontally from rear of G14 to existing return air opening to give dimension "A'. Mark vertical bend line. (If supply air transition was rotated 180 degrees add one inch.)

2 - Measure vertically from floor to existing G14 return air opening to give dimension "B" Mark horizontal bend line.

3 - Transfer remaining two sides from G14 to G26 and mark. 4- Add 1/2" to these lines and mark cut lines.

5 - Cut out opening and bend flanges out toward return air plenum.

FIGURE 4

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Image 6
Contents Cabinet Width Cabinet Width KIT CAT# LB#Removefilter from insideof unit if present Units with air conditioningTypical G14 Installation Filter Rack Installation Side Return OnlyIts side Installation restrictions on G26 furnace Supply Air Transition InstallationUnit Installation II Internal Filter Rack Used with kit CAT#16L25From Right S de to Left S de Conf gurat on External Filter Rack Conversion KIT CAT# 16L23 and 16L24Filter Rack Door Existing Base Screws Supply AIR TransitionFilter Rack CUT Opening in Filter Rack AS FollowsTall Large END Securing ScrewsMall END of Transition Transition to Front of UnitPVC When Joining These TWO Materials