Carrier 39LA Installation, Start-Up And Service Instructions Manual page 20

UNIT SIZE
CIRCUITING TYPE
CFM AT 550 FPM
FACE AREA (sq ft)
TUBE FACE
TUBE LENGTH (in.)
NUMBER OF CIRCUITS
NUMBER OF TXVs
NUMBER OF CIRCUITS/TXV†
SUCTION CONNECTIONS
(in. OD)
DISTRIBUTOR CONNECTIONS
(in. OD)
4-ROW COIL
Circuit Equivalent Length (ft)
Distributor Tube Length (in.)
Face Split
Row Split
Distributor Nozzle Size**
6-ROW COIL
Circuit Equivalent Length (ft)
Distributor Tube Length (in.)
Face Split
Row Split
Distributor Nozzle Size**
UNIT SIZE
CIRCUITING TYPE
CFM AT 550 FPM
FACE AREA (sq ft)
TUBE FACE
TUBE LENGTH (in.)
NUMBER OF CIRCUITS
NUMBER OF TXVs
NUMBER OF CIRCUITS/TXV†
SUCTION CONNECTIONS
(in. OD)
DISTRIBUTOR CONNECTIONS
(in. OD)
4-ROW COIL
Circuit Equivalent Length (ft)
Distributor Tube Length (in.)
Face Split
Row Split
Distributor Nozzle Size**
6-ROW COIL
Circuit Equivalent Length (ft)
Distributor Tube Length (in.)
Face Split
Row Split
Distributor Nozzle Size**
LEGEND
AHU — Air-Handling Unit Selection Program
TXV — Thermostatic Expansion Valve (Field-supplied)
*May be field manifolded for either face split or row split.
†Where each TXV has the same number of circuits, that number is
shown once. When coil has an uneven number of circuits per TXV,
both values are shown.
Table 7 — Direct Expansion Coil Circuiting Data
LARGE FACE AREA (39LA, 39LD)
03
Qtr Half Full Qtr
1996 3245
3.63
16
26.1
4 8 16 —
2 2 2 —
2 4 8 —
7 / 1 1 / 1 3 / —
8 8 8
7 7 1
/ / 1 / —
8 8 8
52 26 — —
11 11 — —
13 15 — —
2 2 — —
— 39 20 —
— 11 11 —
— 15 16 —
— 2 3 —
LARGE FACE AREA (39LA, 39LD)
15 18
Half Full Half Full
8200 9740
14.91 17.71
32 38
53.7 53.7
16 32 19 38
2 4* 2 4*
8 8 9-10 9-10
1 3 / 1 3 / 1 3 / 1 3 /
8 8 8 8
1 1 / 1 1 / 1 1 / 1 1 /
8 8 8 8
45 23 45 23
15 16 16 16
26 16 28 16
8 4 10 5
67 34 67 34
15 16 16 18
23 16 28 18
8 4 10 5
06 08
Half Full Qtr Half
4345
5.90 7.90
20 24
34.0 37.9
10 20 — 12
2 2 — 2
5 10 — 6
1 1 / 1 3 / — 1 1 /
8 8 8
7 1 7
/ 1 / — /
8 8 8
32 — — 34
11 — — 13
16 — — 18
3 — — 4
47 24 — 51
11 13 — 13
16 18 — 18
3 3 — 4
21
Half Full Double
11,880
21.6
38
65.5
19 38 —
2 4* —
9-10 9-10 —
1 3 / 1 1 / —
8 8
1 1 / 1 1 / —
8 8
54 26 —
3
16 16 / —
4
28 16 3 / —
4
10 5 —
81 40 —
16 18 1 / —
2
28 18 1 / —
2
10 5 —
**Factory-supplied distributors have factory-selected nozzle sizes
shown. If necessary, replace factory-supplied nozzles with field-
supplied and installed nozzles. Consult Electronic Catalog AHU
selection program for correct nozzle selection.
††Not available on 39LB units.
20
10
Full Qtr Half Full
5247
9.54
24
45.8
24 — 12 24
2 — 2 2
12 — 6 12
1 5 / — 1 1 / 1 5 /
8 8 8
5 7 5
1 / — / 1 /
8 8 8
18 — 40 20
15 — 13 15
18 — 18 18
4 — 5 5
26 — 59 30
15 — 13 15
21 — 18 21
4 — 5 5
25
Half Full
13,750
25.0
22U-22L
65.5
22 44
2 2 2 2
5-6 5-6 11 11
1 1 / 1 1 / 1 3 / 1 3 /
8 8 8 8
7 / 7 / 1 3 / 1 3 /
8 8 8 8
54 54 26 26
12 12 15 15
21 21 23 23
8 8 5 5
— — 40 40
— — 15 15
— — 22 22
— — 5 5
12
Half Full
6149
11.18
24
53.7
12 24
2 2
6 12
1 1 / 1 5 /
8 8
7 1
/ 1 /
8 8
45 23
13 15
18 18
6 6
67 34
13 15
18 21
6 6
Double
88
4 4
11 11
1 5 / 1 5 /
8 8
1 3 / 1 3 /
8 8
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