69
Table 22 — Forward-Curved Fan Drive Centerline Distances in Inches (cont)
39M UNIT
SIZE
FAN MODEL
NO.
MOTOR
SIZE
BHF/BHR DBF/DBR THF/THR UBF/UBR FAN SHAFT DIAM. (in.)
MIN MAX MIN MAX MIN MAX MIN MAX Class 1 Class 2
50W
FC A27-22H
254T 31.9 34.1 23.2 25.9 26.0 28.5 27.5 29.8
1
11
/
16
2
7
/
16
256T 31.9 34.1 23.2 25.9 26.0 28.5 27.5 29.8
284T 31.4 33.6 22.8 25.6 25.5 28.2 27.0 29.4
286T 31.4 33.6 22.8 25.6 25.5 28.2 27.0 29.4
324T 30.7 32.9 22.4 25.2 25.0 27.7 26.3 28.8
FC A27-27H
184T 33.5 35.5 24.2 26.8 27.1 29.6 28.9 31.1
1
11
/
16
2
7
/
16
213T 32.7 34.8 23.7 26.3 26.5 29.1 28.2 30.5
215T 32.7 34.8 23.7 26.3 26.5 29.1 28.2 30.5
254T 31.9 34.1 23.2 25.9 26.0 28.5 27.5 29.8
256T 31.9 34.1 23.2 25.9 26.0 28.5 27.5 29.8
284T 31.4 33.6 22.8 25.6 25.5 28.2 27.0 29.4
286T 31.4 33.6 22.8 25.6 25.5 28.2 27.0 29.4
51T
FC A27-22H
182T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
N/A 2
7
/
16
184T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
213T 41.6 43.9 31.5 34.3 36.5 39.2 34.4 36.9
21
5T 41.6 43.9 31.5 34.3 36.5 39.2 34.4 36.9
254T 41.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
256T 41.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
284T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
286T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
324T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
326T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
FC A27-27H
182T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
N/A 2
7
/
16
184T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
213T 41.6 43.9 31.5 34.3 36.5 39.2 34.4 36.9
215T 41.6 43.9 31.5 34.3 36.
5 39.2 34.4 36.9
254T 41.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
256T 41.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
284T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
286T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
324T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
326T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
58T
FC A27-27H
182T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
N/A 2
7
/
16
184T 42.0 44.3 31.7 34.5 36.7 39.4 34.7 37.2
213T 41.6 43.9 31.5 34.3 36.5 39.2 34.4 36.9
215T 41.6 43.9 31.5 34.3 36.5 39.2 34.4 36.9
254T 4
1.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
256T 41.0 43.4 31.2 34.0 36.1 38.9 33.9 36.4
284T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
286T 40.6 43.0 31.0 33.8 35.9 38.6 33.6 36.1
324T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
326T 40.1 42.5 30.8 33.7 35.6 38.4 33.1 35.7
FC A30-30H
182T 45.0 47.2 33.7 36.4 39.2 41.9 37.2 39.7
N/A 2
11
/
16
184T 45.0 47.2 33.7 36.4 39.2 41.9 37.2 39.7
213T 44.5 46.8 33.5 36.2 38.9 41.6 36.8 39.3
215T 44.5 46.8 33.5 36.2 38.9 41.6 36.8 39.3
254T 44.0 46.3 33.2 36.0 38.6 4
1.3 36.4 38.9
256T 44.0 46.3 33.2 36.0 38.6 41.3 36.4 38.9
284T 43.5 45.9 33.0 35.8 38.3 41.1 36.0 38.5
286T 43.5 45.9 33.0 35.8 38.3 41.1 36.0 38.5
324T 43.0 45.4 32.8 35.6 38.0 40.8 35.5 38.1
326T 43.0 45.4 32.8 35.6 38.0 40.8 35.5 38.1