REFRESH
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Operation
Screen Display - FILTER STATUS HOURS LEFT
Step a)
If the stage filters are not changed during the time (in hours) shown on the
countdown timer warning screen, then the system will SHUT DOWN and the
following screen is displayed.
Screen Display - SYSTEM SHUTDOWN CHECK FILTERS
Step b)
If an air flow pressure switch has been installed and the air pressure drops
in the filter bank, the following screen is displayed:
Screen Display - FAN STOPPED NO AIR FLOW
Step 3:
Section 4.2 Preventive Maintenance
for remove and replace procedures for
stage filters which require cleaning or replacing.
3.2.8
Shutting-down
Step 1:
To shut-down the fans, press the
button. The fans will stop and the following
screen is displayed:
Screen Display - FAN OFF
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Issue: Final
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