Use and Care Manual

HE240, HE280 HUMIDIFIER
9 69-2685ES—07
5. Connect the other end of the tubing to the applicable pressure connection on the switch.
a. If the humidifier is installed on the supply duct (as is recommended), 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
.
Fi
g. 11. 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.
Installing the Humidistat
1. Separate wallplate from humidistat.
Fig. 12.
CAUTION
Electrical Hazard
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
M33326
M34565A
Setting
Light
Next Auto
System
%
Replace BattReplace Batt
Inside
%
HUMIDITY BOOST
PULL HERE