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8
Fig. 10 —
42 DH Horizontal Units with
Mixing Box Option
42DV - Vertical Unit
Unit is mounted flush to the outer edge of the end base rail. Secure
base rail to unit with supplied No.12 x 3/4 in. sheet metal screws,
two per side at the aligning unit mounting holes indicated. (See
Fig. 11.)
Fig. 11 —
42DV Vertical Units with Mixing Box Option
PLACE MIXING BOX ASSEMBLY ONTO FRAME RAIL
42DH - Horizontal Units
For units with 1 in. and 2 in. filters, mount mixing box flush to the
outer edge of the end base rail, for units with 4 in. filters, the mix
-
ing box will over-hang the base rail by 2 in. Slide duct flanges of
box over the flanges of the filter frame. It may be necessary to re
-
move factory-installed sheet metal screws to enable access to all
mounting holes and to ensure proper fit. Do not remove screws
unless necessary. Secure base rail to mixing box with supplied
No. 8 x 1/2 in. sheet metal screws, two per side. (See Fig. 12.)
For bottom-entering configurations, length adjustments to the bot
-
tom damper shaft may need to be completed prior to final
placement of the mixing box.
42DV - Vertical Units
Slide duct flanges of box over the flanges of the filter frame. It will
be necessary to remove factory installed sheet metal screws to en
-
able access to some mounting holes and to ensure proper fit. Do
not remove screws unless necessary. For units with 4 in. filters, the
mixing box will over-hang the end base rail by 2 in. Secure side
base rail to mixing box with supplied No. 8 x 1/2 in. sheet metal
screws, two per side. (See Fig. 13.)
Fig. 12 —
42DH Horizontal Units with
Mixing Box Option
Fig. 13 —
42 DV Vertical Units with
Mixing Box Option
Detail A
See Detail A
See Detail A
Detail A
Detail A
SEE DETAIL A
42DH With 2" Filter Frame
42DH With 4" Filter Frame
See Detail B
See Detail A
Detail B
Detail A
See Detail A
See Detail B
Detail B
42DV With 2" Filter Frame
42DV With 4" Filter Frame