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^ The steam coils in models 65 and 75 are not type 5. They are type 8 coils with 1" diameter tubes on 3" centers.
* The CFM range for cooling and heating starts at a low of about 400 fpm through small coil . The maximum CFM for cooling
is at no more than 550 fpm through a large coil. The maximum CFM for heating is at no more than 900 fpm through a large coil.
The fan tables are on pages 24 through 29.
Fan Type Bearings Coils Filters
FC = Forward curve fan (Ball Type) FH X FL 1-24 X 24 Means one 24" by 24 “ filter
AF = Airfoil fan C = Cartridge FH = Finned Height , inches
Shaft Diameter is inches PB = Pillow Block FL = Finned Length, inches
TH = Tubes High
FACE AREA is in Square Feet.
Refrigerant can be either direct expansion, heat reclaim , or condenser coil.
Physical Data
UNIT SIZE
Description 03 06 08 10 12 14 18
CFM Range*
Cooling 800-1650 1600-3170 2400-4100 3000-5150 3550-6400 4150-755 5800-9600
Heating & Ventilating 800-2700 1600-5000 2400-7200 3000-9200 3550-9200 4150-12400 5800-12400
Fan Type & Shaft Diameter @ Bearing
FC, Low Pres. inches 3/4—C 1—C 1—C 1—C 1—C 1 3/16 —PB 1 3/16 —PB
FC, Med. Pres. inches 1—PB 1 3/16 —PB 1 3/16 —PB 1 3/16 —PB 1 3/16 —PB 1 7/16 —PB 1 7/16 —PB
AF, shaft dia. (in) @ bearing — — — — — — —
Type 5 Coils
Large FH X FL 18.00X24 21.00X39 30.00X36 30.00X45 33.00X51 33.00X60 42.00x60
Refrigerant TH 12T 14T 20T 20T 22T 22T 28T
and Water Coils FACE AREA 3.00 5.69 7.50 9.38 11.69 13.75 17.50
Small FH X FL 12.00X24 15.00X39 24.00X36 24.00X45 27.00X51 27.00X60 36.00x60
Refrigerant TH 8T 10T 16T 16T 18T 18T 24T
and Water Coils FACE AREA 2.00 4.06 6.00 7.50 9.56 11.25 15.00
Large Type 5 FH X FL 16.50X24 19.50X39 28.50X36 28.50X45 33.00X51 33.00X60 40.50x60
Steam Coils^ TH 11T 13T 19T 19T 22T 22T 27T
FACE AREA 2.75 5.28 7.13 8.91 11.69 13.75 16.88
Small Type 5 FH X FL 12.00X24 15.00X39 24.00X36 24.00X45 24.00X51 27.00X60 34.50x60
Steam Coils^ TH 8T 10T 16T 16T 18T 18T 23T
FACE AREA 2.00 4.06 6.00 7.50 9.56 11.25 14.38
Type A Coils
Large FH X FL 18.75x24 21.25x39 31.25x36 31.25x45 35.00x51 35.00x60 42.50x60
Refrigerant TH 15T 17T 25T 25T 28T 28T 34T
and Water Coils FACE AREA 3.13 5.76 7.81 9.77 12.40 14.58 17.71
Small FH X FL 12.50X24 16.25X39 25.00X36 25.00X45 28.75X51 28.75X60 35.00X60
Refrigerant TH 10T 13T 20T 20T 23T 23T 28T
and Water Coils FACE AREA 2.08 4.40 6.25 7.81 10.18 11.99 14.58
Filters:
Area in Sq. Ft. 5.00 6.94 10.00 11.11 15.00 17.50 22.50
Flat 2-16 X 25 2-16 X 25
Section 1-16 X 20 2-16 X 20
Quantity and 1-20 X 20 2- 20 X 25 2-16 X 20 4-16 X 25 3-16 X 20 2- 20 X 25 2-20 X 25
size 1-20 X 16 2-16 X 25 3- 20X 20 1-20 X 20 2-20 X 20
High Area in Sq. Ft. 10.00 13.89 16.67 19.44 22.22 25.00 37.50
Capacity
Section Quantity and 2-20 X 20 4- 20 X 25 6-16 X 25 2-16 X 25 8-16 X 25 4-16 X 25 6-16 X 25
size 2-16 X 20 4-20 X 25 4-20 X 25 6-20 X 25
High Area in Sq. Ft. 6.00 8.00 12.00 14.00 14.00 18.00 24.00
Efficiency
Filter Quantity and 1-24 X 24 2-24 X 24 2-24 X 24 2-24 X 24 2-24 X 24 3-24 X 24 6-24 X 24
Section size 1-12 X 24 2-12 X 24 3-12 X 24 3-12 X 24 3-12 X 24