Ceiling mounted air filtration units
5
4 MODEL NUMBERS
Models
HP / Kw
Air flow
CFM / L/s
Filter area
ft.sq. / M2
(polyester)
Filter area
ft.sq. / M2
(cellulose)
Compressed
Air
Required
(P.S.I.)
Number of Arm
Weight
[lbs] / [kg]
DB4-T315-AMB
3 / 2.2
3000 / 1415
520/48
1040 / 96
80 – 90
N/A (grid only)
800 / 363
DB4-T355-AMB
5 / 3.7
4500 / 2125
520/48
1040 / 96
80 – 90
N/A (grid only)
815 / 370
DB4-T315-206
3 / 2.2
2200 / 1040
520/48
1040 / 96
80 – 90
(2) 6’’ X 10’ / 160 mm X 3 m
940 / 427
DB4-T355-208
5 / 3.7
3500 / 1665
520/48
1040 / 96
80 – 90
(2) 8’’ X 10’ / 160 mm X 3 m
960 / 436
DB4-T355-306
5 / 3.7
3500 / 1665
520/48
1040 / 96
80 – 90
(3) 6’’ X 10’ / 160 mm X 3 m
1010 / 459
5 NORMAL USE
5.1 Start-up with new cartridges
Do not use the compressed air cleaning system until the pressure differential across the cartridges
has increased to at least 1 inch W.G. in comparison to the starting pressure. The cleaning sequence
should be kept at a 45 to 60 second delay between pulses. When the pressure differential increases
to 2 inches W.G., the frequency between pulses may be reduced in order to maintain 2 inches W.G.
differential. The dust collector can work at design air volume after one day of operation.
Note:
starting air volume will be greater than design air volume. Amperage draw will be higher
than design.
5.2 Normal start-up (with used cartridges)
Once the dust collector has reached normal operating conditions, every day start-up is done
without adjustment.
5.3 Pressure differential
The normal operating pressure differential should vary from 0.75 to 4.0 inch W.G. for paper
cartridges, and from 0.70 to 4.0 inch W.G for polyester cartridges (depending on collected dust and
air to cloth ratio). If the designed pressure differential cannot be maintained, the pulse frequency
must be changed. The pulse frequency can be increased or decreased by turning the adjustment
screw on the electronic sequencer board.
6 OPERATION AND PURPOSE
During normal operation, the MAXITOP unit draws pollutants through the MAXAIR fume arms (if
ordered) or through the inlet grilles if used for ambiant air cleaning. The automatic pulse control
cleans the cartridges at regular intervals. Clean air can then be recycled in the facility if desired.
