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CONTRACTOR
Selecting a Location
1. For most installations, mount the humidifier under the horizontal
warm air supply duct. As an alternative, the unit can be mounted on
a vertical plenum using a fabricated transition for support. (See
“Mounting the Humidifier”, pgs. 10-17.)
NOTE: The Skuttle Steam Humidifier is not intended for
installation in or on the return air duct or plenum. (Although some
contractors may install the humidifier under return air ducts or on
plenums without complications, it is not our practice or recom-
mendation for such application.)
2. Select a location where the humidifier can be plugged in without the
use of an extension cord. (See “Connecting to a Power Source”, pg.
18.)
3. Select a location that will not allow steam to condense on the system
air mover, electrical components, etc.
4. Mount the unit on rigid metal ductwork, never on duct board or
internally-insulated duct.
CAUTION:
For all installation configurations, the mounting area
must be strong enough to support the humidifier’s weight when
it is full of water (approximately 18 lbs.), and to hold the humidifier
in a level position for safe, reliable operation. Otherwise, additional
duct reinforcement will be necessary.
NOTE: If the installation includes exposed insulated-type materials, a
section of the ductwork must be removed and replaced with rigid
metal duct extending at least 6 feet downstream from the humidifier.
5. Mount the unit at least 4-to-6 feet after the plenum transition. Avoid
sudden turns or transitions in the ductwork in the immediate area
downstream from the humidifier.