HE220, HE260 HUMIDIFIER AND INSTALLATION KIT
7 69-2634EF—01
7. Make sure the humidifier housing is
level, then position it in the opening
so the plastic tabs are in place on the
lower sheet metal edge of the open
-
ing. Use pliers, as necessary, to flat-
ten cut edges. See Fig. 4.
8. Secure the humidifier housing to the
opening at the top and bottom using
sheet metal screws.
9. Use the 6 in. (155 mm) starter collar
as a template to mark the opening for
the bypass.
Fig. 4. Installing humidifier on duct.
10. Carefully cut the opening for a 6 in. (155 mm) starter collar. See Fig. 5. Use a
drill, punch or awl to start the cut in the middle of the circle. Cut in an outward
spiral to assist in controlling the cut.
Fig. 5. Cutting bypass opening.
DUCT
LEVEL
SHEET METAL
SCREWS (4)
PLASTIC
TABS (2)
OPENING
TO AIR DUCT
STARTING
HOLE
6 IN. ROUND TEMPLATE
M20172
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