55
Table 11 —
Direct-Expansion Circuiting Data (cont)
Large Face Area Coils (cont)
LEGEND
TXV —
Thermostatic Expansion Valve (Field Supplied)
*When 2 nozzle sizes are listed, the smaller nozzle should be located on the upper distributor.
NOTE: Factory-supplied distributors have factory-selected nozzle sizes as shown. If necessary,
replace factory-supplied nozzles with field-supplied and field-installed nozzles. Consult
AHU
Builder
®
software selection program for correct nozzle selection.
39M UNIT SIZE
96W
110W
CIRCUITING TYPE
Full
Double
Full
Double
Airflow (cfm) at 500 fpm
48,125
55,000
Total Face Area (sq ft)
96.3
110.0
Tubes in Face
44
44
44
44
44
44
44
44
Tube Length (in.)
126
126
126
126
144
144
144
144
No. of Circuits - Total
44
44
88
88
44
44
88
88
4-Row Coil
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Face Split Coils
No. of TXVs
4
4
—
—
4
4
—
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-1/8
1-1/8
—
—
Distributor Nozzle Size
E-12
E-12
—
—
E-12
E-12
—
—
Intertwined Row Split Coils
No. of TXVs
4
4
—
—
4
4
—
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-1/8
1-1/8
—
—
Distributor Nozzle Size
E-12
E-12
—
—
E-12
E-12
—
—
Single Circuit Coils
—
—
—
—
—
—
—
—
No. of TXVs
—
—
—
—
—
—
—
—
Suction Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Nozzle Size
—
—
—
—
—
—
—
—
6-Row Coil
Face Split Coils
No. of TXVs
4
4
—
—
4
4
—
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-1/8
1-1/8
—
—
Distributor Nozzle Size
E-12
E-12
—
—
E-12
E-12
—
—
Intertwined Row Split Coils
No. of TXVs
4
4
—
—
4
4
—
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-1/8
1-1/8
—
—
Distributor Nozzle Size
E-12
E-12
—
—
E-12
E-12
—
—
Single Circuit Coils
—
—
—
—
—
—
—
—
No. of TXVs
—
—
—
—
—
—
—
—
Suction Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Nozzle Size
—
—
—
—
—
—
—
—
8-Row Coil
Face Split Coils
No. of TXVs
4
4
8
8
4
4
8
8
Suction Connections (in. OD)
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
Distributor Connections (in. OD)
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
Distributor Nozzle Size
E-12
E-12
E-12
E-12
E-12
E-12
E-12
E-12
Intertwined Row Split Coils
No. of TXVs
4
4
8
8
4
4
8
8
Suction Connections (in. OD)
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
Distributor Connections (in. OD)
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
Distributor Nozzle Size
E-12
E-12
E-12
E-12
E-12
E-12
E-12
E-12
Single Circuit Coils
—
—
—
—
—
—
—
—
No. of TXVs
—
—
—
—
—
—
—
—
Suction Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Connections (in. OD)
—
—
—
—
—
—
—
—
Distributor Nozzle Size
—
—
—
—
—
—
—
—