Unplug the power cord from the CX3000GS unit.
1.
2.
Unscrew the two locking knobs and remove the door. (Fig. 6)
3.
Remove old filter and replace with new MERV-11 electrostatic filter. Ensure
that airflow arrow on filter points to the inside of module. (Fig. 7)
On the right side of the service panel, there are arrows pointing to two small holes
marked 'RESET'. (Fig. 8) One is for the FILTER service light, and the other is for
the LAMP service light. The service lights may be reset by inserting the end of a
paper clip into the corresponding hole, and pushing lightly until the service light
returns to green.
MAINTENANCE
REPLACING FILTER
Fig. 6
RESETTING SERVICE LIGHTS
SERVICE PANEL
LAMP
SERVICE
OK
SOON
FILTER
RESET
SERVICE
NOW
RESET
Fig. 8
11
Fig. 7