54
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
58T
61W
72W
85W
CIRCUITING TYPE
Full
Double
Full
Double
Full
Double
Full
Double
Airflow (cfm) at 500 fpm
28,828
30,694
35,625
41,892
Total Face Area (sq ft)
57.7
61.4
71.3
83.8
Tubes in Face
40
42
40
42
34
34
34
34
38
40
38
40
38
40
38
40
Tube Length (in.)
81
81
81
81
104
104
104
104
108
108
108
108
127
127
127
127
No. of Circuits - Total
40
42
80
84
34
34
68
68
38
40
76
80
38
40
76
80
4-Row Coil
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Upper
Lower
Face Split Coils
No. of TXVs
4
4
—
—
2
2
—
—
2
2
—
—
2
2
—
—
-
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
-
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Nozzle Size
E-10
E-12/
E-10
—
—
C-17
C-17
—
—
C-20
C-20
—
—
C-20
C-20
—
—
Intertwined Row Split Coils
No. of TXVs
4
4
—
—
2
2
—
—
2
2
—
—
2
2
—
-
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
-
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Nozzle Size
E-10
E-12/
E-10
—
—
C-17
C-17
—
—
C-20
C-20
—
—
C-20
C-20
—
—
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
—
—
2
2
—
—
2
2
—
—
2
2
—
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
-
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Nozzle Size
E-10
E-12/
E-10
—
—
C-17
C-17
—
—
C-20
C-20
—
—
C-20
C-20
—
—
Intertwined Row Split Coils
No. of TXVs
4
4
—
—
2
2
—
—
2
2
—
—
2
2
—
-
—
Suction Connections (in. OD)
1-3/8
1-3/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
—
1-5/8
1-5/8
—
-
—
Distributor Connections (in. OD)
1-1/8
1-1/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
1-3/8
1-3/8
—
—
Distributor Nozzle Size
E-10
E-12/
E-10
—
—
C-17
C-17
—
—
C-20
C-20
—
—
C-20
C-20
—
—
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
2
2
4
4
2
2
4
4
2
2
4
4
Suction Connections (in. OD)
1-3/8
1-3/8
1-3/8
1-3/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
Distributor Connections (in. OD)
1-1/8
1-1/8
1-1/8
1-1/8
1-3/8
1-3/8
1-3/8
1-3/8
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 Nozzle Size
E-10
E-12/
E-10
E-10
E-12/
E-10
C-17
C-17
C-17
C-17
C-20
C-20
C-20
C-20
C-20
C-20
C-20
C-20
Intertwined Row Split Coils
No. of TXVs
4
4
8
8
2
2
4
4
2
2
4
4
2
2
4
4
Suction Connections (in. OD)
1-3/8
1-3/8
1-3/8
1-3/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
1-5/8
Distributor Connections (in. OD)
1-1/8
1-1/8
1-1/8
1-1/8
1-3/8
1-3/8
1-3/8
1-3/8
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 Nozzle Size
E-10
E-12/
E-10
E-10
E-12/
E-10
C-17
C-17
C-17
C-17
C-20
C-20
C-20
C-20
C-20
C-20
C-20
C-20
Single Circuit Coils
—
—
—
—
—
—
—
—
—
—
—
—
No. of TXVs
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Suction Connections (in. OD)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Distributor Connections (in. OD)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Distributor Nozzle Size
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—