2
INSTALLATION
PREPARING THE UNIT
1. Install and fasten the water diffuser, the long plastic piece, with two screws
(#6 x 1/2") inside the top part of the humidifier.
2. Install the solenoid valve (mounted on a plastic bracket) outside of the top of the
humidifier.
3. While supporting the water diffuser with one hand, insert the plastic tube
protruding from the valve into the hole in the middle of the top part of the
humidifier, making sure that the plastic tubing is firmly seated in the hole of the
water diffuser.
4. Fasten the valve assembly to the unit with screws #6 x 1/2".
PREPARING THE DUCT
Note: Installation on the hot air duct will improve humidity output.
1. Once a location is determined for placement on the duct, attach the template
to the duct.
2. Punch and drill the four corners for the opening and the six fastening holes
with a 3/32" drill.
3. Remove the template and complete the opening outline.
4.
Cut the opening in the plenum.
ATTACHING THE UNIT TO THE DUCT
Note: Use the six screws provided (#8 x 3/4") to attach humidifier body to the duct.
1. Hold the humidifier body to the duct opening, ensuring the locating ribs fit into
the duct opening.
2. Check that the humidifier is level from left to right, then fasten to the duct.
INSTALLING THE COLLARS AND FLEX DUCT
1. Install the 6" duct collar in a location opposite the duct with the humidifier body.
2. Slide the bypass panel into the side opening of the humidifier until it snaps.
3. Measure the required flex duct length from the duct collar to the bypass panel so
it does not sag. Cut the flex duct to length and install it as shown. Secure flex duct
using screws, foil tape and / or duct tape.
Electric Valve
Water Diffuser
Ensure Template
Is Level
®
TM
Flex Duct
Duct
Collar
6" Straight Duct
This unit is reversible. When changing the humidifier left or
right, make sure you place the evaporative pad the correct
way. The frame is marked "FRONT"; see "INSTALLING THE
VAPOR PAD" for further details.
INSTALLING THE DRAIN TUBE
1. First slip the hose clamp over the hose.
2. Push the drain tube (1/2" I.D.) over the drain fitting located at the bottom
of the unit and secure it in place with the hose clamp.
3. Make sure the tube has no bends so that water can easily flow through
the tube straight to the drain.
