035-000029-001
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HHA IOM 1.4 10/11/2021
UNIT SUSPENSION
Ceiling Suspension: Acceptable forms of unit sus-
pension are shown in Fig. 3, 4, 5a and 5b. A field-
supplied platform mount is recommended, espe-
cially for larger unit sizes. Units can also be sup-
ported by suspending the unit from lengthwise
(direction of airflow) beams. Size suspension
rods to support the weight. Size any beam mem-
bers to insure that they are adequate for a safe
installation. Ensure that suspension rods are se-
cured to adequately support the unit and that the
rods extend entirely through their associated fas-
teners.
It is recommended that framing be constructed
from structural steel or formed-strut materials.
Size 30 and 40 units have hanging brackets with
specific recommendations – see Fig. 5b.
Fig. 5a
Ceiling Suspension—
Alternate Lengthwise
Beam Mount
Fig. 4
Ceiling Suspension—
Crossbeam Mount
HHA04-25
WARNING! INSURE THAT UNIT IS ADE-
QUATELY SUPPORTED FROM STRUCTURE
TO PREVENT DAMAGE OR INJURY CAUSED
BY FALLING EQUIPMENT! If uncertain about
how to connect to the structure, consult a
qualified structural engineer.
Floor mounting: Unit may be mounted on a
housekeeping pad, floor or platform.
CAUTION!
Make sure to allow enough elevation to per-
mit construction of the condensate drain
trap.
Vibration Isolators:
(field supplied) If required,
install isolators in the suspension rod system.
Allow clearance as needed between isolators
and unit.
Fig. 3
Ceiling Suspension—
Platform Mount
Содержание HHA Series
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