30XA 252-352
1.1
2.3
2.1
1.2
1.3
2.2
30XA 352 (options 254/255)
1.1
1.2
2.1
2.2
2.3
1.3
1.4
30XA 402-452-504
2.3
1.1
1.2
2.1
1.5
1.3
1.4
2.2
30XA 502
1.1
1.2
1.3
2.2
1.6
1.4
1.5
30XA 602
1.1
1.2
1.3
2.3
1.4
1.5
1.6
30XA 702-904
1.1
1.2
2.3
1.3
1.4
1.5
1.6
2.6
30XA 752 - 802-854
1.1
1.2
2.5
1.3
1.4
1.5
1.6
1.7
30XA 752-802 (options 254/255)
1.1
1.2
1.4
1.3
1.5
1.6
1.7
1.8
x = Circuit number
y = Start-up order
NOTE: The values above do not correspond to the fan designation. The fan
designation and position are given on the unit drawings and wiring diagrams
supplied with the unit.
*
These fans are also used to reduce the ventilation steps during change-over of
dual stages: They may stop and then restart depending on the stage ordered.
46
30XA fan arrangement
2.1
2.3
2.1
2.2
2.4
2.5
2.2
2.1
2.5
2.4
2.2
2.1
2.4
2.3
2.2
2.1
2.3
2.6
2.5
2.4
30XA 902
1.1
1.2
1.3
2.7
1.4
1.5
1.6
1.7
30XA 902 (options 254/255)
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
30XA 1002
1.1
1.2
1.3
1.4
1.6
1.7
1.8
1.8
30XA 1112
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
30XA 1212
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
30XA 1312-1382
1.1
1.2
1.3
1.4
1.6*
1.7
1.7
1.8
2.2
2.1
2.3
2.6
2.5
2.4
2.3
2.2
2.1
2.4
2.7
2.6
2.5
2.3
2.2
2.1
2.4
2.8
2.7
2.6
2.5
2.5
2.5
2.4*
2.3
2.8
2.7
2.7
2.5
2.5
2.4*
2.3
2.8
2.8
2.7
2.7
1.5*
2.5*
2.4
2.3
1.8
2.8
2.8
2.7
2.2
2.1
2.6
2.6
2.2
2.1
2.6
2.6
2.2
2.1
2.7
2.6*