Honeywell 11255 Air Cleaner User Manual


 
42
1.0 General
1.1 Medium efficiency UL Class 1 fire rated pleated
filters shall be Pre Pleat Class 1 as manufactured
by Flanders.
1.2 Filter sizes and capacities shall be scheduled on
the drawings.
2.0 Filter Construction
2.1 Filter media shall be manufactured of a high loft-
ed micro-fine media with a minimum efficiency of
50% per ASHRAE Standard 52.1
2.2Acorrosion-resistant expanded metal wire grid
shall be bonded to the media to maintain pleat
integrity.
2.3 The die-cut frame shall be flame-resistant, miner-
al-filled board to meet a UL Class 1 fire rating.
3.0 Performance
3.1 Initial and final resistance shall not exceed the
final values.
3.2 Media must meet or exceed the ratings that of the
specified filter.
3.3 The manufacturer shall guarantee performance
as stated in the literature within tolerances as
outlined in Section 7.4 of ARI Standard 850.
Guide Specifications
Resistance (Inches w.g.)
0.25
0.75
0.50
1.00
1.50
1.25
0
Air Flow - CFM
0 1000 1500 2000 2500
Rate of Air Flow vs Initial Resistance
Arrestance vs. Dust Fed
Arrestance (%)
Dust Fed (grams)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
25 40 55 70 85 100
Efficiency vs. Dust Fed
Dust Fed (grams)
0 10 20 30 40 50 60 70 80 90 100
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
Dust Spot Efficiency
Resistance vs. Dust Fed
Resistance (Inches w.g.)
Dust Fed (grams)
0 10 20 30 40 50 60 70 80 90 100
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
Flanders - Foremost in Air Filtration
Corporate Headquarters, St. Petersburg, FL
Performance values stated may be averages typical of the products listed.
Contact factory for actual performance test reports on specific products.
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