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5
5.0 Operation
The three position rocker switch on the front of the unit is the POWER switch.
The center switch position (marked O) is the OFF position. The upper and
lower switch positions (marked II and I) turn the unit on to HIGH and LOW fan
speeds. Use this switch to turn the unit on and to select the desired fan speed.
A green monitor light is also illuminated respectively on the front of the unit,
which indicates that the power switch is in one of the ON positions, and that the
ionizer is now in use.
6.0 Maintenance
Occasional cleaning of the case and of the emitter points are the only routine
maintenance procedures required.
6.1 Cleaning the case: Wipe the case with a soft cloth moistened with water.
If a stronger cleaning solution is required, mild detergent or alcohol may
be used. Do not use solvents that will attack the plastic case.
6.2 Cleaning the emitter points: The emitter points are located between the
fan blades and the rear grill. A jet of clean, compressed air can be used
to remove dirt on emitter points. If a more rigorous cleaning method is
needed to remove particulate, clean the points with a cotton swab. Access
to the points is available through the rear grill. Be careful not to damage
the points during cleaning.
7.0 Performance Verification
The 3M
™
Benchtop Air Ionizer 963E is factory adjusted to provide optimum
performance. Further adjustment in the field is not possible. However, the
following instructions can be followed to determine whether the Ionizer is
performing to specification. The testing follows the procedure outlined in the
standard for Ionization, ANSI/ ESD STM3.1. Please refer to this standard for
more complete information.
7.1 Equipment Needed
3M
™
Charge Analyzer 711 or equivalent charge plate monitor (CPM). If
an alternate CPM is used, please refer to its Operating Manual for details
on how to perform the following instructions.
7.2 Static Discharge Time
The Ionizer 963E will reduce the charge on the 6 in. x 6 in. square
isolated metal plate on the CPM from ± 1000V to ± 100V in less than 2
seconds (high fan speed). The metal plate for the CPM must be located
at a distance of one foot (30 cm) from the ionizer and centered in the air
stream.