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F58F COMMERCIAL DUCT MOUNTED ELECTRONIC AIR CLEANER
68-0141—4
16
Fig. 25. Move J5 shorting bar to reduce ozone production
about 20 to 25 percent.
ELECTRICAL TROUBLESHOOTING
WARNING
Electric Shock Hazard.
Can cause personal injury or equipment damage.
The following procedures expose hazardous live parts.
Disconnect from power between checks and proceed
carefully. These instructions are for use by qualified
personnel only .
Tools and Equipment
Troubleshooting the electronic air cleaner requires:
• Needle nose pliers for stringing ionizer wires and inserting
edge connectors.
•Test meter.
Neon Light (On Power Box)
The neon light is powered through the power supply and is on
when the power supply output voltage is normal.
P3
P4
P1
P2
M10609
J3
J4
J1
J5
Test Button
When pushed, the test button shorts from collector voltage to
ground. The resulting arcing sound indicates that high voltage
is being supplied to the collector. The solid state power supply
controls current flow to the collector. On air cleaners with a
W8600F, the FAULT indicator will activate when the test
button is held down.
FAULT Indicator (Air Cleaners with W8600F)
The FAULT indicator is on the W8600F. It activates to indicate
the following problems: excessive dirt loading partial shorting
of the collector, continuous ionizer or collector arcing, power
supply failure, excessive ionizer current, or any condition
causing a major reduction in high voltage.
Power Box
WARNING
Electric Shock Hazard.
Can cause personal injury.
Always turn off power and remove access door before
removing power supply or its cover.
The solid state power supply within the power supply box can
be replaced. When troubleshooting indicates a power supply
or solid state performance indicator problem, replace the
entire power box or replace the power supply within the box.
See Installation Instructions, form 69-1136. See Fig. 24 for
power box removal.
Troubleshooting Procedure
The electronic air cleaner Troubleshooting charts show how to
quickly isolate a problem in the air cleaner. Although a meter
is needed for some steps, the primary diagnostic tools are the
neon light and the test button. See Fig. 26.