North American Blower Discharge Positions
Sheet 2300-12
2300 and 2400 Blowers are available in discharge positions other than #1, #2, and #3. Consult Fives North American Combustion, Inc. for quotation due to extra charges and longer delivery.
side. Clockwise and counterclockwise designations are in accord with accepted standards.
See back for industry nomenclature covering discharge positions and drive arrangements.
The numbering scheme below is used to specify discharge positions, which are determined viewing blower from motor
1
2
3
4
5
6
7
8
1 ½
3 ½
2 ½
6 ½
7 ½
5 ½
Clockwise
Counterclockwise
ROTATION
In general, most blowers can be supplied with discharge positions 5, 6, 7, and 8 (at extra cost and longer delivery). All will have fabricated housings. Blowers can also be supplied in discharge positions advanced 45° (at extra cost and with longer delivery), classified as positions 1½, 2½, and 3½.
Rotation of blower housing to any of the three standard discharge positions (1-3) can be accomplished in the field.
When #4 discharge position is specified, all blowers, except those in discharge position group A, B, or C, require a modification of blower base (reference Bulletin 2300). For field conversion to #4 position, base must be notched out on site. Detail drawings show- ing cutouts are: C1-2492 for 2400 D and -F Blowers, A1-2493 for 2400-G, and B1-2494 for 2300 (and 300) Blowers (for blowers with group A discharge position contact Product Manager).
WARNING: Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
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