Honeywell F57A Original Manual page 12
Flush-mount commercial electronic air cleaner
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Also See for F57A:
- Specification data (2 pages) ,
- Owner's manual (26 pages) ,
- Manual (22 pages)
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F57A,B FLUSH-MOUNT COMMERCIAL ELECTRONIC AIR CLEANER
Cleaning the Commercial Electronic
Air Cleaner
The F57 removes a variety of particulate contaminants
from the air. In the process of cleaning the air, the air
cleaner cells and prefilter become dirty, and the cleaning
efficiency is lowered.
To maintain a high standard of reliability and efficiency, it
is necessary to periodically maintain the F57. Maintenance
includes cleaning the cells and prefilter and inspecting the
F57. Service is required if the F57 is damaged, performs at
substandard efficiency, measures abnormal voltages, or
when the CHECK LED lights.
Regular cleaning with an alkaline-based detergent solution
is recommended. Use a commercial or home electric
dishwasher detergent, either liquid or powder. The wash
frequency is determined by the dirt level in the air. Actual
experience or optional WASH LED dictates the period
between cleanings.
If the optional WASH LED is connected and the WASH LED
comes on, a cell washing is overdue. Frequently wash the
cells and wipe any material buildup off the ionizer wires.
This prevents the wash led from coming on.
When washing with alkaline detergent results in excessive
buildup of collected dirt in the cells, do an extended cell
soaking. If buildup is still present, use high pressure water,
or air or steam cleaning. Some full-service distributors
provide a regular cleaning service to commercial
establishments.
Opening the Grille
CAUTION
• Turn off power to the F57.
• Stand on a stable platform when working with the
F57.
The F57 grille can be opened by moving the spring clips
toward each other.
Removing the Heavy Duty
Commercial Cells and Prefilter
Remove the FC37B cells from the F57 as follows (Fig. 11):
Turn off electrical power to the F57. Open the grille.
IMPORTANT
The cell swings down when unlatched.
With one hand supporting the cell near the latch, rotate
the latch to an open position.
Gently lower the cell with both hands until the cell
contact board is clear of the frame.
Raise cell off hooks to free the cell.
68-0083—07
FRAME
CELL HOOKS
Fig. 11. Removing the FC37B Heavy Duty Commercial
Cell (F57A model shown).
Remove the prefilter from inside the grille.
Remove the activated carbon filters, if used, only if it
must be replaced. The odor removal effectiveness is
reduced when the carbon is saturated with tobacco tar
or other gaseous contaminants and can require
replacement.
Cleaning the Prefilter
Shake out or vacuum the accumulated contaminants
from the prefilter. The prefilter can also be soaked in the
alkaline detergent solution, as described for cleaning
cells in the next section. When cleaning the prefilter, do
not soak in an acid detergent solution, or use high
pressure water, air or steam cleaning.
NOTE: When cleaning the prefilter, wash it after the cells
are washed. The lint residue from the prefilter con-
taminates the wash water and can deposit inside
the cells. Dispose of the wash water.
Cleaning the Cells Using Alkaline
Base Detergent
WARNING
Hazardous Chemical.
Can cause personal injury.
• Use eye protection to prevent splashing the
detergent solution in your eyes.
• Wear rubber gloves to avoid prolonged skin
contact with the detergent.
• Keep detergent solution out of the reach of
children.
Provide a large enough container, such as a laundry tub
or plastic tank, to hold at least one cell.
Mix alkaline base detergent, such as commercial or
home electric dishwashing detergent (either liquid or
powder) with hot water. Follow the instructions on the
detergent package. The water temperature should be
between 150ºF and 190ºF (66ºC and 88ºC). When using
12
LATCH
GLOVES
PREVENT
NICKS AND
CUTS
M5667
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