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28MC – 1/2 in. Chilled Water
28MH – 1/2 in. Hot Water
Coil Position
H – Horizontal
V – Vertical
Rows
1 – 1 Row
2 – 2 Row
4 – 4 Row
6 – 6 Row
8 – 8 Row
0 – 10 Row
Tubes In Face 12 – 44*
39M Unit
Size
L
M
03W
20
14
06W
20
14
07T
30
24
08W
22
16
09T
36
28
10W
22
16
11T
42
34
12T
42
34
12W
28
22
14W
28
24
16T
22/24
36
17W
30
24
18T
24/26
42
21W
38
32
22T
26/28
44
25T
28/30
44
25W
38
32
30T
28/30
44
30W
38
32
35T
30/30
24/24
36W
44
36
37T
36/36
30/30
40W
24/24
44
42T
36/36
28/30
50W
28/28
44
51T
36/36
28/30
58T
40/42
32/34
61W
34/34
28/28
72W
38/40
32/32
85W
38/40
32/32
96W
44/44
36/36
110W
44/44
36/36
LEGEND
B
— Bypass
L
— Large
M
— Medium
S
— Small
*Multiple values indicate that two coils must be ordered.
†Distance between tube sheets.
Fig. 4 — 28MC, 28MH (
28MC V 6 20 F D A 020 A R N –
B
S
12
N/A
12
12
20
12
14
12
20
24
14
12
28
22
28
22
20
14
20
14
30
24
16
22
32
26
28
18
34
26
38
26
28
18
38
26
18
28
40
34
30
24
24/24
38
36
24
22/24
40
28
36
30
22/24
26/28
42
44
34
24/26
N/A
24/26
N/A
28/28
N/A
N/A
28/28
1
/
-in. Water Coil) Nomenclature
2
6
Revision Level
Coating
N – Non-Coated
E – E-Coated
Hand
R – Right
L – Left
Header Style
A – MPT Std
B – MPT Non-Ferrous
NOTE: If positions 7-8 are t 30,
then position 15 cannot = B.
39M Unit
Size DBTS† (in.)
— 20
03W
— 34
06W
— 26
07T
— 40
08W
— 29
09T
— 52
10W
— 32
11T
— 35
12T
— 52
12W
— 59
14W
— 38
16T
— 65
17W
— 41
18T
— 65
21W
— 47
22T
— 49
25T
Tube Wall and
Hairpin Type
1/2 in. O.D. Copper Tube
A – .016 Std. Hairpin
B – .025 Std. Hairpin
Fin Material
Fins Per Inch
Casing Material
A – AL
D – AL 11 GALV.
F – AL 14 GALV.
G – AL
K – AL 11 ST. STL.
M – AL 14 ST. STL.
N – CU 8
a39-4302
R – CU 11 ST. STL.
T – CU 14 ST. STL.
25W
—
74
30T
—
59
—
92
30W
—
67
35T
—
96
36W
—
59
37T
40W
—
96
42T
—
67
50W
— 104
—
81
51T
—
81
58T
— 104
61W
— 107
72W
85W
— 126
96W
— 126
110W
— 144
8
GALV.
8
ST. STL.
ST. STL.
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