HE440A, HE480A STEAM POWER HUMIDIFIER
3 68-0265EF-1
Table 1. Size of Humidified Area.
INSTALLATION
When Installing this Product ...
1. Read these instrucitions carefully. Failure to follow them
could damage the product or cause a hazardous condi-
tion.
2. Check the rating given in the instructions and on the
product to make sure the product is suitable for your
operation.
3. Installer must be a trained, experienced service techni-
cian.
4. After installation is complete, check out product opera-
tion.
Select Location and Mounting Configuration
Steam Power Humidifier
There are three typical mounting configurations:
• Horizontally, under at least an 11 in. (280 mm) wide duct,
using the mounting bracket (preferred mounting method).
• Horizontally, under a reinforced duct.
• Horizontally, under a duct extension, using the mounting
bracket.
Select the appropriate mounting method and follow these
mounting instructions. (See Fig. 2 through 4.)
— Select a location where the humidifier can be plugged in
without an extension cord. (The preferred installation
location is on the warm air side of the furnace.)
— If that location is not possible, mount the humidifier a
minimum of 6 ft (1.8m) upstream from the furnace filter.
— Depending on the location selected, additional duct
reinforcement may be necessary because the humidifier
weighs 18 lb (8 kg) when filled with water.
Fig. 2. Mounting humidifier horizontally under duct using
mounting bracket.
Fig. 3. Mounting humidifier horizontally under duct.
House Description
Air Changes
(per hour)
Humidified Area
HE440 HE480
(sq ft) (sq m) (sq ft) (sq m)
Loose Two 1,415 131 1845 171
Average One 1,970 183 2575 239
Tight One-half 3,095 288 4045 376
M20326
HUMIDIFIER
HUMIDIFICATEUR
MOUNTING BACKET
SUPPORT
M20327
HUMIDIFIER
HUMIDIFICATEUR
SUPPORT
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