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F96CTN and G96CTN (Series A): Installation, Start-up, Operating, Service and Maintenance Instructions
14 x 25 Filter
Factory-Accessory
(356 x 635 mm)
CFM
L/s
600
(283)
0.04
800
(378)
0.06
1000
(472)
0.07
1200
(566)
0.08
16 x 25 Filter
Factory-Accessory
(406 x 635 mm)
CFM
L/s
600
(283)
0.04
800
(378)
0.05
1000
(472)
0.06
1200
(566)
0.07
1400
(661)
0.08
1600
(755)
0.09
1800
(850)
0.10
20 x 25 Filter
Factory-Accessory
(508 x 635 mm)
CFM
(L/s)
800
(378)
0.04
1000
(472)
0.05
1200
(566)
0.06
1400
(661)
0.07
1600
(755)
0.08
1800
(850)
0.08
2000
(944)
0.09
2200
(1038)
0.09
25 x 25 Filter
Factory-Accessory
(635 x 635 mm)
CFM
L/s
800
(378)
0.03
1000
(472)
0.04
1200
(566)
0.05
1400
(661)
0.06
1600
(755)
0.06
1800
(850)
0.07
2000
(944)
0.08
2200
(1038)
0.08
*. If the filter size that you are looking for is not contained in
for a variety of filter media types.
The following equations relate Face Velocity (FPM), Filter Area and Airflow (CFM):
Filter Face Velocity = Airflow / Filter Area
Minimum Filter Area = Rated System Airflow / Maximum Filter Face Velocity
Face Velocity
FPM
(m/s)
200
(1)
0.04
300
(1.5)
0.05
400
(2)
0.07
500
(2.5)
0.08
600
(3)
0.09
700
(3.6)
0.10
*. Recommended to maintain air filter face velocity. See Specification for part number.
Leveling Legs (If Desired)
In upflow position with side return inlet(s), leveling legs may be used.
See
Fig.
26. Install field-supplied, 5/16 x 1-1/2 in. (8 x 38 mm) (max)
corrosion-resistant machine bolts, washers and nuts.
NOTE: Bottom closure must be used when leveling legs are used. It
may be necessary to remove and reinstall bottom closure panel to install
leveling legs. To remove bottom closure panel, see
To install leveling legs:
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 7 – Filter Media Pressure Drop (Clean) Versus Airflow - In. W.C. (Pa)
Washable
(1-in. / 2.5 cm)
(1-in. / 2.5 cm)
(12)
0.07
(15)
0.10
(18)
0.13
(20)
0.17
Washable
(1-in. / 2.5 cm)
(1-in. / 2.5 cm)
(10)
0.06
(13)
0.08
(16)
0.11
(18)
0.14
(21)
0.18
(23)
0.21
(25)
0.26
Washable
(1-in. / 2.5 cm)
(1-in. / 2.5 cm)
(11)
0.06
(13)
0.08
(15)
0.11
(17)
0.13
(19)
0.16
(21)
0.18
(23)
0.21
(24)
0.25
Washable
(1-in. / 2.5 cm)
(1-in. / 2.5 cm)
(9)
0.05
(11)
0.06
(13)
0.08
(15)
0.10
(16)
0.11
(18)
0.13
(19)
0.16
(21)
0.18
Table
7, refer to
Table 8 – Filter Media Pressure Drop (Clean) Versus Face Velocity- In. W.C. (Pa)
Factory-Accy
Washable
(1-in. / 2.5 cm)
(1-in. / 2.5 cm)
(10)
0.05
(14)
0.09
(17)
0.13
(21)
0.18
(23)
0.23
(26)
0.29
Fig.
24.
Representative After-Market Filter Media
*
Fiberglass
(2-in. / 5 cm)
(17)
0.10
(26)
(25)
0.15
(39)
(34)
0.21
(52)
(43)
0.27
(68)
Representative After-Market Filter Media
*
Fiberglass
(2-in. / 5 cm)
(15)
0.09
(22)
(21)
0.13
(32)
(28)
0.17
(43)
(36)
0.22
(56)
(45)
0.28
(70)
(54)
-
-
(64)
-
-
Representative After-Market Filter Media
*
Fiberglass
(2-in. / 5 cm)
(16)
0.09
(24)
(21)
0.13
(32)
(27)
0.16
(41)
(33)
0.20
(51)
(40)
0.24
(61)
(47)
0.29
(73)
(54)
-
-
(62)
-
-
Representative After-Market Filter Media
*
Fiberglass
(2-in. / 5 cm)
(12)
0.07
(18)
(16)
0.09
(24)
(20)
0.12
(31)
(24)
0.15
(38)
(29)
0.18
(45)
(34)
0.21
(53)
(39)
0.24
(61)
(45)
0.28
(70)
Table 8
for a comparison of Pressure Drop (initial/clean resistance to airflow) versus Face Velocity
Representative After-Market Filter Media
*
Fiberglass
(2-in. / 5 cm)
(13)
0.08
(20)
(22)
0.13
(34)
(32)
0.20
(50)
(44)
0.27
(69)
-
-
-
-
-
-
1. Position furnace on its back. Locate and drill a hole in each bottom
corner of furnace.
2. For each leg, install nut on bolt and then install bolt with nut in
hole. (Install flat washer if desired.)
3. Install another nut on other side of furnace base. (Install flat washer
if desired.)
4. Adjust outside nut to provide desired height, and tighten inside nut
to secure arrangement.
19
*
*
Pleated
(1-in. / 2.5 cm)
(2-in. / 5 cm)
0.24
(60)
0.16
0.34
(85)
0.23
-
-
0.32
-
-
-
*
*
Pleated
(1-in. / 2.5 cm)
(2-in. / 5 cm)
0.20
(51)
0.13
0.29
(72)
0.20
-
-
0.27
-
-
-
-
-
-
-
-
-
-
-
-
*
*
Pleated
(1-in. / 2.5 cm)
(2-in. / 5 cm)
0.22
(55)
0.15
0.29
(72)
0.20
-
-
0.25
-
-
0.31
-
-
-
-
-
-
-
-
-
-
-
-
*
*
Pleated
(1-in. / 2.5 cm)
(2-in. / 5 cm)
0.17
(43)
0.11
0.22
(55)
0.15
0.27
(68)
0.18
-
-
0.23
-
-
0.28
-
-
-
-
-
-
-
-
-
*
*
Pleated
(1-in. / 2.5 cm)
(2-in. / 5 cm)
0.18
(47)
0.12
0.30
(75)
0.21
-
-
0.31
-
-
-
-
-
-
-
-
-
(40)
(59)
(81)
-
(34)
(49)
(67)
-
-
-
-
(37)
(49)
(63)
(79)
-
-
-
-
(28)
(37)
(47)
(58)
(69)
-
-
-
(31)
(52)
(78)
-
-
-
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