HE240, HE280 HUMIDIFIER AND INSTALLATION KIT
69-2685ES—01
12
3.
Insert the black rubber grommet into
the duct hole.
4.
Connect the tubing to the tubing fit-
ting elbow and insert the tubing fit-
ting elbow into the black rubber
grommet.
5.
Connect the other end of the tubing
to the applicable pressure connec-
tion on the switch.
a. If the humidifier is installed on the
supply duct (as is recom-
mended), the tube that inserts
into the humidifier needs to be
attached to the black port, and
the tube that runs to the return
duct needs to be attached to the
gray port.
b. If the humidifier is installed on the
return duct, the tube that inserts
into the humidifier needs to be
attached to the gray port, and the
tube that runs to the supply duct
needs to be attached to the black
port.
Fig. 12. Installing the pressure switch
tubing.
6.
You may cut the tubing to fit the connection length between the elbow fitting and
switch. It is also recommended to secure the hose to existing structures to avoid
accidental disconnection.
M33326
69-2685ES_A.book Page 12 Friday, March 9, 2012 11:57 AM
