Honeywell Home HE360 Notice D'installation page 8

HE360 HUMIDIFIER
3. The return duct is recommended, however the switch can also
be mounted to the supply duct.
4. Cut a 3/4-in. diameter hole in the duct within 10 feet of the
switch to ensure the provided tubing reaches the pressure tap
elbow.
5. Insert the black rubber gasket into the duct hole.
6. Connect the tubing to the tubing fitting elbow and insert the
tubing fitting elbow into the black rubber gasket.
7. Connect the other end of the tubing to the applicable pressure
connection on the switch.
e. Black connection if installed on the supply
f. Grey connection if installed on the return
g. Both grey and black if installed on both
IMPORTANT
With low-speed airflow or variable speed systems it is
recommended to run tubing to both the supply and return
ducts.
69-2629EF—11
Fig. 8. Pressure switch—oriented vertically.
8
M27300
A
SUPPLY DUCT INSTALL - AIR LINE ONLY TO TAP A,
CONNECTED TO THE + PORT ON THE AIR FLOW SWITCH
RETURN DUCT INSTALL - AIR LINE ONLY TO TAP B,
CONNECTED TO THE – PORT ON THE AIR FLOW SWITCH
SUPPLY/RETURN DUCT INSTALL - AIR LINE CONNECTED
TO BOTH THE + AND – PORTS ON THE AIR FLOW SWITCH
Fig. 9. Mounting the pressure switch.
B
M27303A