116
BCX-SVX002A-EN
Table 40. BCHE/BCVE fan, filter, and mixing box general data (continued)
Unit Size 12 18 24 36 48 54 60 72 90 120
Nominal CFM 400 600 800 1200 1600 1800 2000 2400 3000 4000
(Qty) Size
- -
(1) 12 x 24 (1) 18 x 24
(1) 18 x 20
(1) 12 x 20
-
(1) 18 x 24
(1) 12 x 24
(2) 16 x 25
(1) 20 x 24
(1) 24 x 24
(3) 18 x 24
Area, sqft
- - 2.00 3.00 4.20 - 5.00 5.56 7.33 9.00
Velocity, ft/min
- - 400 400 384 - 400 432 409 444
Bottom (or Top) Access Filter
(Qty) Size (1) 12 x 20 (1) 12 x 24 (1) 12 x 24
(1) 12 x 12
(1) 12 x 24
-
(1) 16 x 16
(1) 16 x 25
-
(2) 16 x 25
(1) 20 x 24
(1) 24 x 24
(3) 18 x 24
Area, sqft
1.67 2.00 2.00 3.00 - 4.56 - 5.56 7.33 9.00
Velocity, ft/min
240 300 400 400 - 395 - 432 409 444
Angle Filter
(Qty) Size (2) 12 x 20 (2) 12 x 24 (2) 12 x 24
(2) 12 x 12
(2) 12 x 24
-
(2) 12 x 20
(2) 12 x 24
-
(2) 12 x 12
(4) 12 x 20
(2) 20 x 20
(2) 20 x 25
(6) 18 x 20
Area, sqft
3.33 4 4 6 - 7.33 - 8.67 12.5 15
Velocity, ft/min
120 150 200 200 - 245 - 277 240 267
Mixing Box
Damper opening
width, in.
14 14 20 20 - 36 - 36 38 38
Damper opening
height, in.
8.325 8.325 8.325 8.325 - 10.5 - 10.5 15.5 15.5
Area, sqft
0.81 0.81 1.16 1.16 - 2.63 - 2.63 4.09 4.09
Velocity, ft/min
494 741 692 1038 - 686 - 914 733 978
Return/Discharge Attenuator (BCHE)
Opening width, in.
9 9 9 14 - 20 - 26 20 26
Opening height, in.
13 13 13 13 - 14 - 14 22 22
Area, sqft
0.81 0.81 0.81 1.26 - 1.94 - 2.53 3.06 3.97
Velocity, ft/min
492 738 985 949 - 926 - 949 982 1007
Return Attenuator (BCVE)
Opening width, in.
- - 13 13 18 - 18 26 20 26
Opening height, in.
- - 13 13 16 - 16 14 22 22
Area, sqft
- - 1.17 1.17 2.00 - 2.00 2.53 3.06 3.97
Velocity, ft/min
- - 682 1022 800 - 1000 949 982 1007
Discharge Attenuator (BCVE)
Opening width, in.
- - 10 13 15 - 18 26 20 26
Opening height, in.
- - 13 13 16 - 16 14 22 22
Area, sqft
- - 0.90 1.17 1.67 - 2.00 2.53 3.06 3.97
Velocity, ft/min
- - 886 1022 960 - 1000 949 982 1007
Notes:
1. Minimum air flow limits apply to units with hot water or electric heat only. There is no minimum airflow limit on cooling only units. Maximum airflow limits are to help prevent
moisture carryover.
2. 2.3 and 3.5 are only available at 575V
Table 41. BCHE coil general data
Unit Size 12 18 24 36 54 72 90 120
Nominal cfm 400 600 800 1200 1800 2400 3000 4000
Hydronic and DX coil data
Area - ft2 0.89 1.11 1.67 2.67 3.69 4.86 6.11 7.64
Width - in.
(a)
8 8 12 12 14 14 22 22
Routine Maintenance