Honeywell HE220 Installation Manual & Owner's Manual page 9

By-pass flow-through humidifier

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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.

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.

HE220 AND HE260 BY-PASS FLOW-THROUGH HUMIDIFIER

SHEET METAL

SCREWS (4)

OPENING

TO AIR DUCT

PLASTIC

TABS (2)

DRAIN TUBING

Fig. 4. Installing humidifier on duct.

6 IN. ROUND TEMPLATE

STARTING

HOLE

Fig. 5. Cutting bypass opening.

DUCT

LEVEL

M20171A

M20172

69-1111EF—05

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