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MODELS L2000L • L3500EXL
Page 2
PLAN INSTALLATION (cont.) MOUNTING OPTIONS
CONVERTING FROM RIGHT-ANGLE TO IN-LINE
Remove and reverse duct anges and access panel
positions on housing.
For correct intake and exhaust duct size, see Table 1.
TABLE 1
ACCESS
PANEL
INTAKE DUCT
FLANGES
EXHAUST
DUCT FLANGE
EXHAUST
DUCT FLANGE
Typical mounting with threaded rod through
mounting channels on top of housing.
3/8” MIN.
THREADED RODS
(By Others)
DIM. L2000L L3500EXL
C 12-5/8” 12-5/8”
D 39-5/8” 47-3/8”
Mounting with threaded rod through adjustable
mounting brackets located at top of housing.
3/8” MIN. THREADED RODS
(By Others)
DIM. L2000L L3500EXL
A 7-3/4” 10-1/4”
B 33-3/4” 41-3/4”
Mounting with threaded rods through adjustable
mounting brackets located at bottom of housing.
Mounting brackets can be bolted to housing ends in a variety of
configurations. Use screws and nuts provided in parts bag.
If installing unit as a ceiling ventilator, make sure that either duct
flanges or housing will be flush with finished ceiling. Duct flanges may
be removed and discarded if they interfere with a ceiling installation.
MOUNTING OPTIONS
MODEL INTAKE DUCT SIZE EXHAUST DUCT SIZE
L2000L 12-3/8” x 35-3/4” 7-3/4” x 33-3/4”
L3500EXL 14-1/2” x 43-1/2” 9-3/4” x 41-3/8”
Provide solid support to minimize sound leves. There are two basic
mounting methods for these units.
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