REFRESH
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Operation
3.3
Resetting the Filter Operational Hours
The following procedures show how to stop the fans, remove and replace the stage filters which
have become dirty and reset the filter operational hours:
Step 1:
Shut-down the fans by pressing the
button. The fans will stop.
Step 2:
Remove the stage filters which are displayed on the screen (CHANGE STAGE 2
FILTERS is given in the above example). Refer to the following remove procedures as
necessary:
Step 3:
Replace the stage filters. Refer to the following replace procedures as necessary:
Replacing Stage 5 Carbon Cells
Step 4:
Access the filter stage reset panel by opening the hinged access panels at the lower
front of the Services Tower.
Step 5:
To reset the stage filter which has been changed, press and hold the applicable reset
button on the front of the filter stage reset panel.
Note: The filter stages are given below the black reset button as 2, 3, 4 & 5.
Filter Stage Reset Panel - FILTERS RESET
Step 6:
Close the hinged access panels at the lower front of the Services Tower.
Issue: Final
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