Aprilaire 500 Humidifier User Manual


 
e. The control electrode must be properly inserted in the
ionizer frame.
f. The openings for the airflow detection circuit on the inside
of the power pack/door assembly must be unobstructed.
See Figure 3 on next page.
g. There must be no debris bridging the gap between the
ionizing wires and any other component.
7. Re-install the inner housing assembly and close the power
pack/door assembly.
8. Plug in the unit and turn it on.
9. Turn on the furnace/air handler blower.
10. Wait three minutes after the blower starts and check unit for
proper operation. (The airflow sensing circuitry takes a few
minutes to warm up the first time the unit is plugged in and
turned on.)
10