Carrier Aero 39MN Series - Page 50

50
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 installed nozzles. Consult
AHUBui
lder
®
software selection program for correct nozzle selection.
39M UNIT SIZE 18T 21W 22T 25W
CIRCUITING TYPE
Half Full Double Half Full Double Half Full Double Half Full Double
Airflow (cfm) at 500 fpm
8,898 10,720 11,016 12,205
Total Face Area (sq ft)
17.8 21.4 22.0 24.4
Tubes in Face
24 26 24 26 24 26 38 38 38 26 28 26 28 26 28 38 38 38
Tube Length (in.)
41 41 41 41 41 41 65 65 65 47 47 47 47 47 47 72 72 72
No. of Circuits - Total
12 13 24 26 48 52 19 38 76 13 14 26 28 52 56 1
9 38 76
4-Row
Coil
Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower
Face Split Coils
No. of TXVs
2 2 2 2 — — 2 2 — 2 2 2 2 — — 2 2 —
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 — — 1-3/8 1-5/8 — 1-1/8 1-1/8 1-5/8 1-5/8 — — 1-3/8 1-5/8 —
Distributor Connections (in. OD)
7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 — 7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 —
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-12 — — E-10/E-8 C-20
— G-6/G-4 G-6 C-12 C-15 — — E-10/E-8 C-20 —
Int
ertwined Row Split Coils
No. of TXVs
2 2 2 2 — — 2 2 — 2 2 2 2 — — 2 2 —
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 — — 1-3/8 1-5/8 — 1-1/8 1-1/8 1-5/8 1-5/8 — — 1-3/8 1-5/8 —
Distributor Connections (in. OD)
7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 — 7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 —
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-12 — — E-10/E-8 C-20 — G-6/G-4 G-6 C-12 C-15 — — E-10/E-8 C
-20 —
Singl
e 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
2 2 2 2 — — 2 2 — 2 2 2 2 — — 2 2 —
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 — — 1-3/8 1-5/8 — 1-1/8 1-1/8 1-5/8 1-5/8 — — 1-3/8 1-5
/8 —
Distribu
tor Connections (in. OD)
7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 — 7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 —
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-12 — — E-10/E-8 C-20 — G-6/G-4 G-6 C-12 C-15 — — E-10/E-8 C-20 —
Intertwined Row Split Coils
No. of TXVs
2 2 2 2 — — 2 2 — 2 2 2 2 — — 2 2 —
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 — — 1-3/8 1-5/8 — 1-1/8 1-1/8 1-5/8 1-5/8 — — 1-3/8 1-5/8 —
Distributor Connec
tions (in. OD)
7
/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 — 7/8 7/8 1-3/8 1-3/8 — — 1-1/8 1-3/8 —
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-12 — — E-10/E-8 C-20 — G-6/G-4 G-6 C-12 C-15 — — E-10/E-8 C-20 —
Single Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — — — — —
Suction Connections (in. OD)
— — — — — — — — — — — — — — — — — —
Distributor Connections (in. OD)
— — — — — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — — — — —
8-R
ow Coil
Face Split Coils
No. of TXVs
2 2 2 2 4 4 2 2 4 2 2 2 2 4 4 2 2 4
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 1-3/8 1-5/8 1-3/8 1-5/8 1-5/8 1-1/8 1-1/8 1-5/8 1-5/8 1-5/8 1-5/8 1-3/8 1-5/8 1-5/8
Distributor Connections (in. OD)
7/8 7/8 1-3/8 1-3/8 1-3/8 1-3/8 1-1/8 1-3/8 1-3/8 7/8 7/8 1-3/8 1-3/8 1-3/8 1-3/8 1-1/8 1-3/8 1-3/8
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-12 C-12 C-12 E-10/E-8 C-20 C-20 G-6/G-4 G-6
C-12 C-15 C-12 C-15 E-10/E-8 C-20 C-20
Int
ertwined Row Split Coils
No. of TXVs
2 2 2 2 4 4 2 2 4 2 2 2 2 4 4 2 2 4
Suction Connections (in. OD)
1-1/8 1-1/8 1-3/8 1-5/8 1-3/8 1-5/8 1-3/8 1-5/8 1-5/8 1-1/8 1-1/8 1-5/8 1-5/8 1-5/8 1-5/8 1-3/8 1-5/8 1-5/8
Distributor Connections (in. OD)
7/8 7/8 1-3/8 1-3/8 1-3/8 1-3/8 1-1/8 1-3/8 1-3/8 7/8 7/8 1-3/8 1-3/8 1-3/8 1-3/8 1-1/8 1-3/8 1-3/8
Distributor Nozzle Size
G-4 G-6/G-4 C-12 C-
12 C-12 C-12 E-10/E-8 C-20 C-20 G-6/G-4 G-6 C-12 C-15 C-12 C-15 E-10/E-8 C-20 C-20
Singl
e Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — — — — —
Suction Connections (in. OD)
— — — — — — — — — — — — — — — — — —
Distributor Connections (in. OD)
— — — — — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — — — — —