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6
• Do not position where the discharge air could blow
directly on the thermostat.
• The unit should not be positioned directly above any
obstruction.
• The unit must be installed square and level.
• The condensate drain should have sufficient downward
slope (1 in. per 100 in.) in any horizontal run between
unit and drain.
Step 3 — Mount the Unit
INSTALLING HANGER BOLTS (UNDER CEILING
MOUNT) — Install the hanger bolts at the locations shown in
Fig. 6. Use
3
/
8
-in. all-threaded rod. For unit weight and mount-
Table 3 — Unit Weight and Mounting Dimensions
(Under Ceiling Mount)
MOUNTING UNIT (UNDER CEILING MOUNT) — The
unit can now be lifted on to the hanging rods for under ceiling
mounting.
1.
Use rods and fasteners for under ceiling mount to suspend
the hanging bracket.
2.
Secure the hanging brackets in position with locknuts and
washers on both sides. Ensure the threaded rod does not
protrude more than 1 in. below the mounting hole on the
hanging bracket as shown in Fig. 7.
3.
Remove the side board and grille from the unit as shown
in Fig. 8 (does not apply to unit size 048).
4.
Slide the unit backwards onto the hanging bracket until
the mounting hole on the unit lines up with the mounting
hole on the hanging bracket. Secure the unit using mount-
ing bolts as shown in Fig. 9.
IMPORTANT:
Be sure that the ceiling grid is supported
separately from the unit. The ceiling grid must not be
supported by an part of the unit or any associated wir-
ing or piping work.
OB
S
TRUCTION
OB
S
TRUCTION
24 in.
min.
OB
S
TRUCTION
a40-1859
24 in.
min.
24 in.
min.
Fig. 5 — Distance from Wall or Obstruction
A
B
HANGING
BRACKET
Fig. 6 — Hanging Bracket Locations
40VMU UNIT
WEIGHT (lb)
DIMENSION (in.)
A
B
012
57
35
3
/
4
7
7
/
8
015-024
62
35
3
/
4
7
7
/
8
030
77
47
7
7
/
8
036,048
106
60
3
/
4
7
7
/
8
Fig. 7 — Mounting the Hanging Bracket
0.
8
– 1 in.
WA
S
HER
NUT
HANGING
BOLT
HANGING BRACKET
A40-1
8
62
S
IDE BOARD
GRILLE
Fig. 8 — Removing Side Board and Grille
Fig. 9 — Securing Unit To Hanging Bracket
HANGING
BOLT
HANGING
BRACKET
MOUNTING
BOLT
Summary of Contents for 40VMU012 Series
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