Honeywell HE260 - Preparing the Air Duct for Installation; Cutting the Bypass Air Duct Opening; Installing the Starter Collar Assembly

HE220 AND HE260 BY-PASS FLOW-THROUGH HUMIDIFIER
9 69-1111EF—05
Fig. 4. Installing humidifier on duct.
9. Use the 6 in. (155 mm) starter collar as a template to mark the opening for the
bypass.
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.
11. Assemble the summer shutoff damper into the starter collar. Verify that the
damper rotates freely between the open and closed positions. Make sure the
handle is accessible. Mark the damper Closed position as Summer and the
Open position as Winter. See Fig. 6.
DUCT
LEVEL
SHEET METAL
SCREWS (4)
PLASTIC
TABS (2)
DRAIN TUBING
M20171A
OPENING
TO AIR DUCT
STARTING
HOLE
6 IN. ROUND TEMPLATE
M20172
69-1111E_C.fm Page 9 Monday, August 10, 2009 10:53 AM