Use and Care Manual

HE240, HE280 HUMIDIFIER
7 69-2685ES—07
14. Seal the duct connections with foil tape. Seal both
1) the connection between the starter collar end of the flex duct and the home's duct work and
2) the end of the flex duct to the humidifier over the top of the connector strap.
15. Reinstall the humidifier pad assembly in the humidifier housing.
16. Hinge the cover in place and secure with the thumbscrew located at the bottom of the cover.
Fig. 7. Connecting bypass ducting.
Connecting the Plumbing
Use hot or cold water and either hard or softened water in the humidifier.
NOTE: Using hot water will increase operating costs, but may provide a small increase in the amount of humid-
ity delivered.
IMPORTANT
Please consult local plumbing code for proper plumbing regulations before beginning. Use of a manual
shutoff valve may be required to meet code in your area.
1. Shut off the water.
2. Install the water shut off valve in the water supply line at the location selected per local code.
3. Use 1/4 in. (6 mm) OD copper pipe or tubing and connect the shut off valve to the inlet side of the solenoid
valve on the humidifier.
a. Insert the tubing into the solenoid valve fitting and support the valve while tightening the compression
nut.
b. Place the brass compression nut over the tubing.
c. Slide the plastic compression ring over the tubing. (Discard copper compression ring provided with
valve.)
d. Install brass insert into end of tubing.
Fig. 8. Installing feed tubing.
NOTE: To prevent leaking, use plastic (Delrin) compression rings with plastic tubing. Use copper sleeve rings
only with copper tubing.
e. Insert plastic supply tubing into quick connect fitting. Insert fully, and apply modest pull pressure to
ensure a tight fit.
4. Use the following steps to install a
1/2 in. (13 mm) drain tube between the humidifier and the floor drain (see
Fig. 9).
M33325A
HUMIDIFIER PORT
CONNECTOR STRAP
M39202
BRASS COMPRESSION NUT
PLASTIC
COMPRESSION
RING
BRASS INSERT
SOLENOID
VALVE