12
Table 2 — Additional Component Weights
UNIT SIZE
03
06
08
10
12
15
18
21
25
TYPICAL DRY COIL WEIGHTS (lb)
Large Face Area Cooling Coils,
1/2 in. OD (Chilled Water & DX)*
4-Row
56
84
98
109
137
178
198
251
280
6-Row
63
95
123
138
174
234
270
327
363
Small Face Area Cooling Coils,
1/2 in. OD (Chilled Water & DX)*
4-Row
45
72
91
105
133
161
182
211
238
6-Row
53
85
113
129
162
197
225
270
307
8-Row
61
92
129
143
189
228
263
324
377
Hot Water Coils, 1/2 in. OD*
1-Row
19
34
38
48
58
62
77
86
95
2-Row
28
43
51
61
76
89
104
117
130
Steam Coils, 1-row, 1-in. OD
6-FPI
50
70
85
95
110
135
150
180
215
9-FPI
55
80
100
115
125
155
175
214
256
12-FPI
60
85
115
130
145
180
205
248
297
FAN
Wheel Diameter (in.)
9-1/2
12-5/8
12-5/8
15
15
18
1
/
8
20
20
25
Wheel Width (in.)
7-1/8
9-1/2
11-1/8
11-1/8
15
15
13-1/2
18
15
Shaft Diameter (in.)
3/4
1-3/16
1-3/16
1-3/16
1-3/16
1-7/16
1-7/16
1-7/16
1-11/16
Maximum Fan Rpm
2500
2000
2000
1600
1600
1400
1300
1100
1000
OPERATING CHARGE (Approximate),
DIRECT EXPANSION COIL
Refrigerant R-410A or R-22 (lb)
4-Row Coil
1-2
2-3
3-4
4-5
4-5
5-6
6-7
6-8
6-9
6-Row Coil
1-2
2-4
5-6
5-6
6-8
8-10
9-11
11-13
11-16
8-Row Coil
2-3
3-5
5-6
5-7
7-9
10-12
12-14
13-19
16-24
COIL VOLUME (gal. water)
Chilled Water, 1/2 in. OD Tube,
Large Face Area
4-Row
2.5
3.5
4.5
5.2
5.6
7.3
8.5
10.4
12.0
6-Row
3.2
4.7
6.0
6.8
7.7
10.1
11.7
14.2
16.3
Chilled Water, 1/2 in. OD Tube,
Small Face Area
4-Row
2.1
3.3
3.9
4.1
5.1
6.3
7.3
8.7
9.8
6-Row
2.4
3.7
5.1
5.9
6.6
8.3
9.5
11.8
13.5
8-Row
2.7
4.1
6.4
7.4
8.4
10.7
12.1
14.7
17.2
Hot Water, 1/2 in. OD Tube
1-Row
0.5
0.8
1.0
1.3
1.5
1.8
2.1
2.5
2.9
2-Row
0.7
1.3
1.6
2.0
2.4
2.9
3.4
4.0
4.8
COOLING COILS
Chilled Water 1/2 in. OD Tube,
(4, 6 Row) Large Face Area
Face Area (sq ft)
3.63
5.90
7.90
9.54
11.18
14.91
17.71
21.6
25.0
Number of Tubes/Face
16
20
24
24
24
32
38
38
44
Finned Tube Length (in.)
26.1
34.0
37.9
45.8
53.7
53.7
53.7
65.5
65.5
Chilled Water 1/2 in. OD Tube
(4, 6, 8 Row) Small Face Area
Face Area (sq ft)
2.72
4.72
6.58
7.95
9.32
12.12
13.98
17.1
20.5
Number of Tubes/Face
12
16
20
20
20
26
30
30
36
Finned Tube Length (in.)
26.1
34.0
37.9
45.8
53.7
53.7
53.7
65.5
65.5
DX 1/2 in. OD Tube
(4, 6 Row) Large Face Area
Face Area (sq ft)
3.63
5.90
7.90
9.54
11.18
14.91
17.71
21.6
25.0
Finned Tube Length (in.)
26.1
34.0
37.9
45.8
53.7
53.7
53.7
65.5
65.5
DX 1/2 in. OD Tube
(4, 6, 8 Row) Small Face Area
Face Area (sq ft)
2.72
4.72
6.58
7.95
9.32
12.12
13.98
17.1
20.5
Finned Tube Length (in.)
26.1
34.0
37.9
45.8
53.7
53.7
53.7
65.5
65.5