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69-0419—2
THE SOLID STATE PERFORMANCE INDICATOR
This air cleaner is equipped with a
special solid state circuit that operates
the optional W8600E Solid State
Performance Indicator (see photo).
The W8600E Indicator is designed to be
mounted next to your thermostat, and to
monitor the air cleaner performance.
If you have ordered the W8600E
Indicator, you will notice three light-
emitting diodes (LEDs) on the W8600E
labeled ON, WASH and CHECK.
• During normal air cleaner opera-
tion, the ON LED is lit (whenever
the system fan is on).
• If excessive dirt has accumulated on the air cleaner’s cell(s), the
WASH LED will light to alert you that a cell and prefilter wash is
past due.
• Extreme dirt loading (beyond that required to activate the WASH
LED), electronic malfunction, or other equipment problems will
cause the CHECK LED to light.
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