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Physical Installation
Remember to select a location that is readily accessible for periodic inspection and
cleaning of your humidifier. This unit should be located on the cold air return side of
the system for best results. However, if space does not permit, it can be mounted on
the warm air supply side of the system. Please keep in mind that the evaporative
capacity of the humidifier will be reduced if this alternate installation method is
utilized.
CAUTION
Only a trained service person should install this humidifier. Do not connect the
unit to power source until installation is complete. A thorough checkout of the
unit installation should be completed before operation. Failure to follow these
directions may void the manufacturer’s original warranty.
Prior to installing this product...
1. Read the instructions carefully to
ensure safe operation. Failure to
follow them could damage the
product or cause personal injury,
and/or property damage..
2. Check the ratings given on the
product to make sure it is suitable for
your application.
Preparing ductwork
1. Level and attach the mounting
template to the selected location.
2. Drill 1/8” diameter holes and cut the
opening as marked on the template.
Remove the template from the duct.
3. Cut a 7” diameter bypass hole in the
opposite duct using the Return Air
Flange as a template.
4. Insert the notched flange of the
Return Air Flange through the hole
and bend the tabs inside the duct to
secure the flange to the duct.
5. Position the Mounting Plate to the air
duct with (2) tangs up and (1) tang
down. If needed, position the
Damper Plate behind the Mounting
Plate.
6. Secure the Mounting Plate to the air
duct with (4) sheet metal screws and
spring nuts (provided).
Mounting plate
Duct Screws
Return air
flange
Return Air Duct