Carrier 17EX - Tabulation - Impeller Clearances (Open-Drive Compressors)

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