Carrier Aero 39MN Series - Page 43

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Table 11 — Direct-Expansion Circuiting Data (cont)
Medium 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
AHUBuilder
®
software selection program for correct nozzle selection.
39M UNIT SIZE 21W 22T 25W 25T 30W
CIRCUITING TYPE
Half Full Double Half Full Double Half Full Double Half Full Double Half Full Double
Airflow (cfm) at 500 fpm
9,028 8,976 10,278 9,358 12,778
Total Face Area (sq ft)
18.1 18.0 20.6 18.7 25.6
Tubes in Face
32 32 32 44 44 44 32 32 32 44 44 44 32 32 32
Tube Length (in.)
65 65 65 47 47 47 74 74 74 49 49 49 92 92 92
No. of Circuits - Total
16 32 64 22 44 88 16 32 6
4 22 44 88 16 32 64
4-Row Coil
Face Split Coils
No. of TXVs
2 2 — 2 4 -— 2
2 — 2 4 — 2 2 —
Suction Connections (in. OD)
1-1/8 1-5/8 — 1-3/8 1-3/8 -— 1-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 —
Distributor Connections (in. OD)
7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 —
Distributor Nozzle Size
G-8 C-17 — E-12 E-12 — G-8 C-17 — E-12 E-12 — G-8 C-17 —
Intertwined Row Split Coils
No. of TXVs
2 2 — 2 4 —- 2 2 — 2
4 — 2 2 —
Suction Connections (in. OD)
1-1/8 1-5/8 — 1-3/8 1-3/8 -— 1
-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 —
Distributor Connections (in. OD)
7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 —
Distributor Nozzle Size
G-8 C-17 — E-12 E-12 — G-8 C-17 — E-12 E-12 — G-8 C-17 —
Single Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — —
Suction Connections (in. OD)
— — — — — — — — — — — — — — —
Distributor Conne
ctions (in. OD)
— — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — —
6-Row Coil
Face Split Coils
No. of TXVs
2 2 — 2 4 — 2 2 — 2 4 — 2 2 —
Suction Connections (in. OD)
1-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 —
Distributor Connections (in. OD)
7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 —
Distributor Nozzle Size
G-8 C-17 — E-12 E-12 — G-8 C-17 — E-12 E-12 — G-8 C-17 —
Intertwined Row Split Coils
No. of TXVs
2 2 — 2 4 — 2 2 — 2 4 — 2 2 —
Suction Connections (in. OD)
1-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 — 1-3/8 1-3/8 — 1-1/8 1-5/8 —
Distributor Connections (in. OD)
7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 — 1-1/8 1-1/8 — 7/8 1-3/8 —
Distributor Nozzle Size
G-8 C-17 — E-12 E-12 — G-8 C-17 — E-12 E-12 — G-8 C-17 —
Single Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — —
Suction C
onnections (in. OD)
— — — — — — — — — — — — — — —
Distributor Connections (in. OD)
— — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — —
8-Row Coil
Face Split Coils
No. of TXVs
2 2 4 2 4 8 2 2 4 2 4 8 2 2 4
Suction Connections (in. OD)
1-1/8 1-5/8 1-5/8 1-3/8 1-3/8 1-3/8 1-1/8 1-5/8 1-5/8 1-3/8 1-3/8 1-3/8 1-1/8 1-5/8 1-5/8
Distributor Connections (in. OD)
7/8 1-3/8 1-3/8 1-1/8 1-1/8 1-1/8 7/8 1-3/8 1-3/8 1-1
/8 1-1/8 1-1/8 7/8 1-3/8 1-3/8
Distributor Nozzle Size
G-8 C-17 C-17 E-12 E-12 E-12 G-8 C-17 C-17 E-12 E-12 E-12 G-8 C-17 C-17
Intertwined Row Split Coils
No. of TXVs
— 2 4 — 4 8 2 2 4 — 4 8 — 2 4
Suction Connections (in. OD)
— 1-5/8 1-5/8 — 1-3/8 1-3/8 1-1/8 1-5/8 1-5/8 — 1-3/8 1-3/8 — 1-5/8 1-5/8
Distributor Connections (in. OD)
— 1-3/8 1-3/8 — 1-1/8 1-1/8 7/8 1-3/8 1-3/8 — 1-1/8 1-1/8 — 1-3/8 1-3/8
Distributor Nozz
le Size
— C-17 C-17 — E-12 E-12 G-8 C-17 C-17 — E-12 E-12 — C-17 C-17
Single Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — —
Suction Connections (in. OD)
— — — — — — — — — — — — — — —
Distributor Connections (in. OD)
— — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — —