10
Fig. 8 —
28MD, 28MJ (
5
/
8
-in. Water Coil) Nomenclature
39M Unit
Size DBTS*
(in.)
20
34
26
40
29
52
32
35
52
59
38
65
41
65
47
49
74
59
92
67
96
59
96
67
104
81
81
104
107
126
126
144
Tubes in Face
39M Size
03-61
10-36
39M Size L
M
B
S
28MD V 4 30 F A C 092 A R N A
Coating
N
– Non-Coated
E
– E-Coated
Hand
R
– Right
L
– Left
Header Style
A
– MPT Standard
B
– MPT Non-Ferrous
A
– Always
Fin Material
Fins Per Inch
Casing Material
A
– AL 8 GALV.
C
– AL 12 GALV.
F
– AL 14 GALV.
G
– AL 8 ST. STL.
J
– AL 12 ST. STL.
M
– AL 14 ST. STL.
N
– CU 8 ST. STL.
Q
– CU 12 ST. STL.
T
– CU 14 ST. STL.
Circuiting
H
– Half Circuit
F
– Full Circuit
D
– Double Circuit
28MD
– 5/8 in. Chilled Water
28MJ
– 5/8 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
Tube Wall and Hairpin Type
5.8 in. O.D. Copper Tube
C
– .020 Std. Hairpin
D
– .035 Std. Hairpin
03W
06W
07T
08W
09T
10W
11T
12T
12W
14W
16T
17W
18T
21W
22T
25T
25W
30T
30W
35T
36W
37T
40W
42T
50W
51T
58T
61W
72W
85W
96W
110W
16
16
26
18
28
15
32
34
22
22
40
24
42
30
44
50
30
50
30
52
36
30/30
20/20
30/30
22/24
30/30
34/34
28/28
32/32
32/32
36/36
36/36
10
10
22
12
24
12
28
28
18
20
32
20
34
26
36
40
26
40
26
42
30
26/26
36
26/26
36
26/26
28/30
22/24
26/26
26/26
28/30
28/30
10
10
16
10
18
10
20
22
16
16
26
18
26
22
28
32
22
32
22
34
24
40
30
20/20
30
20/20
22/22
36
20/22
20/22
24/24
24/24
N/A
10
14
10
14
10
16
18
10
10
20
12
22
14
24
26
14
26
14
26
20
34
20
32
22
30
36
28
N/A
N/A
N/A
N/A
03W
06W
07T
08W
09T
10W
11T
12T
12W
14W
16T
17W
18T
21W
22T
25T
25W
30T
30W
35T
36W
37T
40W
42T
50W
51T
58T
61W
72W
85W
96W
110W
*Distance between tube sheets.