Carrier 17EX User Manual
Page 107
Tabulation — Impeller Clearances (Open-Drive Compressors)
COMPRESSOR
SIZE
SHROUD
DIAM
CODE
IMPELLER DIAMETER
DIMENSION*
Item 1
Item 3
in.
mm
in.
mm
in.
mm
17FX
3
1
12.00
304.8
.837
21.26
.638
16.21
3
12.38
314.5
.797
20.24
.609
15.47
5
12.75
323.8
.757
19.23
.579
14.71
7
13.25
336.6
.717
18.21
.541
13.74
9
13.75
349.2
.690
17.53
.541
13.74
4
1
12.00
304.8
.977
24.82
.760
19.30
3
12.38
314.5
.937
23.80
.726
18.44
5
12.75
323.8
.897
22.78
.688
17.48
7
13.25
336.6
.837
23.62
.639
16.23
9
13.75
349.2
.810
20.57
.632
16.05
5
1
12.00
304.8
1.177
29.90
.895
25.02
3
12.38
314.5
1.137
28.88
.852
21.64
5
12.75
323.8
1.077
27.36
.809
20.55
7
13.25
336.6
1.017
25.83
.750
19.05
9
13.75
349.2
.970
24.64
.731
18.57
6
1
12.00
304.8
1.297
32.94
.972
24.69
3
12.38
314.5
1.237
31.42
.928
23.57
5
12.75
323.8
1.177
29.90
.880
22.35
7
13.25
336.6
1.097
27.86
.817
20.75
9
13.75
349.2
1.050
26.67
.796
20.22
8
1-9
13.75†
349.2†
4.425
112.39
.876
22.25
13.50**
342.9**
9
1-9
13.75†
349.2†
4.425
112.39
1.055
26.80
13.50**
342.9**
*Measured with shaft in thrust position (towards suction end); tolerance = ± .005 in. (± .127 mm).
†First-stage diameter.
**Second-stage diameter.
107