Carrier Aero 39MN Series - Page 53

53
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
AHUBuilder
®
software selection program for correct nozzle selection.
39M UNIT SIZE 42T 50W 51T
CIRCUITING TYPE
Half Full Double Full Double Quarter Half Full Double
Airflow (cfm) at 500 fpm
20,938 25,278 25,313
Total Face Area (sq ft)
41.9 50.6 50.6
Tubes in Face
36 36 36 36 36 36 28 28 28 28 — 36 36 36 36 36 36
Tube Length (in.)
67 67 67 67 67 67 104 104 104 104 — 81 81 81 81 81 81
No. of Circuits - Total
18 18 36 36 72 72 28 28 56 56 — 18 18 36 36 72 72
4-Row Coil
Upper Lo
wer Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower
Fa
ce Split Coils
No. of TXVs
2 2 2 2 — — 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 — — — 1-3/8 1-3/8 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 — — — 1-1/8 1-1/8 1-3/8 1-3/8 — —
Distributor Nozzle Size
E-8 E-8 C-17 C-17 — — C-15 C-15 — — — E-8 E-8 C-17 C-17 — —
Intertwined Row Split Coils
No. of TXVs
2 2 2 2 — — 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 — — — 1-3/8 1-3/8 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 — — — 1-1/8 1-1/8 1-3/8 1-3/8 — —
Distributor Nozzle Size
E-8 E-8 C-17 C-17 — — C-15 C-15 — — — E-8 E-8 C-17 C-17 — —
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
2 2 2 2 — — 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 — — — 1-3/8 1-3/8 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
-1/8 1-1/8 1-3/8 1-3/8 — —
Distribut
or Nozzle Size
E-8 E-8 C-17 C-17 — — C-15 C-15 — — — E-8 E-8 C-17 C-17 — —
Intertwined Row Split Coils
No. of TXVs
2 2 2 2 — — 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 — — — 1-3/8 1-3/8 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 — — — 1-1/8 1-1/8 1-3/8 1-3/8 — —
Distributor Nozzle Size
E-8 E-8 C-17 C
-17 — — C-15 C-15 — — — E-8 E-8 C-17 C-17 — —
Singl
e 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
2 2 2 2 4 4 2 2 4 4 — 2 2 2 2 4 4
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
1-5/8 1-5/8 — 1-3/8 1-3/8 1-5/8 1-5/8 1-5/8 1-5/8
Distribut
or 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 1-3/8 1-3/8 — 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-3/8
Distributor Nozzle Size
E-8 E-8 C-17 C-17 C-17 C-17 C-15 C-15 C-15 C-15 — E-8 E-8 C-17 C-17 C-17 C-17
Intertwined Row Split Coils
No. of TXVs
2 2 2 2 4 4 2 2 4 4 — 2 2 2 2 4 4
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 1-5/8 1-5/8 — 1-3/8 1-3/8 1-5/8 1-5/8 1-5/8 1-5/8
Distribut
or 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 1-3/8 1-3/8 — 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-3/8
Distributor Nozzle Size
E-8 E-8 C-17 C-17 C-17 C-17 C-15 C-15 C-15 C-15 — E-8 E-8 C-17 C-17 C-17 C-17
Single Circuit Coils
No. of TXVs
— — — — — — — — — — — — — — — — —
Suction Connections (in. OD)
— — — — — — — — — — — — — — — — —
Distributor Conne
ctions (in. OD)
—
— — — — — — — — — — — — — — — —
Distributor Nozzle Size
— — — — — — — — — — — — — — — — —