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6. DO NOT mount humidifier on hot surfaces.
7. DO NOT mount humidifiers in an area where
freezing may occur.
8. DO NOT mount humidifiers on a vibrating surface.
10. DO NOT mount the humidifier to a duct or plenum.
STEAM DISTRIBUTOR NOZZLE (in duct location)
1. When installing the steam distribution nozzle of
the RESDELUX humidifier it must be located in
the supply duct at least 4 feet from any
obstructions such as bends, fans, filters, etc. to
prevent wetting (see figure #4).
2. The steam distribution nozzle can be mounted in
the bottom wall or on the vertical walls of the duct.
If the duct wall is more than 3/4" (20 mm) thick, the
nozzle will have to be mounted from the inside of
the duct. Remove internal insulation material if
necessary. (See Figure #5).
3. When the steam distribution nozzle is located
above the top surface of the humidifier: The
nozzle must be at least 1 ft (305 mm) above the
top surface of the humidifier. Locate the steam
hose so that it slopes at an angle of at least 20°
(Figure #6).
4. Steam distribution nozzle below top surface of
humidifier: The steam hose must first rise to the
minimum height of 1 ft (305 mm) above the top
surface of the humidifier and thereafter slope a
minimum 5° in a uniform manner toward the
nozzle. A separate drain line must be provided for
condensate that collects at the steam distribution
nozzle (Figure #7).
-2-
Min. 12”
Figure #4
Steam Distributor Nozzle in Duct Location
Figure #5
Steam Distribution Nozzle Mounting Arrangement
Figure #3
Wall Mounting Detail
Wall
FastenHumidifierTo
WallUsingScrews2”long
(2)suppliedbyother
0.6”
(1.6cm)
A
12.1” (30.7cm)
NHB, NHP, NHMC,
RESDELUX ONLY
To be 2” (50mm) longer
then duct static pressure
or minimum.
12” min. (300 mm)
6” min (150 mm)
12” (300 mm)
Rmin.
12” (300 mm)
min. 2º min. 10º
min. 10º
Nortec
Humidifier
Figure #6
Steam Plumbing Arrangement Above Humidifier