PennBarry AXB User Manual

Sample Speciﬁcations

AXD/AXB - Axcentrix Bifurcator Fan

1.1 Fans shall be tested and rated in accordance with AMCA air and sound methods and standards.

1.2 All motors and electrical components shall comply with NEMA, UL or other governing group.

Belt Drive

PRODUCT

2.1 Fan shall be of axial/centrifugal, mixed ﬂow type, conﬁguration.

2.2 Fan shall be belt drive and sized for 1.5 service factor. Motor is mounted internally but out of airstream.

2.3 Fan housing shall be of all welded construction with a ﬂanged inlet and outlet, and shall be constructed completely of carbon steel, stainless steel (type 316 or 304) or aluminum as speciﬁed on fan schedule.

2.3.1 The fan housing shall have an integrally designed removable section to allow for impeller inspection or removal while the fan assembly remains installed.

2.3.2 The fan shall be capable of supporting additional duct stack height of up to 20 feet if the application requires such due to building envelope, local codes or regional codes. Additional stack shall be properly guy wired.

2.4 Motor shall be separated from the air stream and is located in an easily accessible and visible chamber. This chamber bifurcates the fan housing and the air stream.

2.5 When required, the fan shall be equipped to be capable of continuous operation at 250°F, 450°F, 750°F, 900°F or 1000°F, as indicated on the fan schedule.

2.5.1 The fan shall perform at the elevated temperatures without any additional external cooling fans other than its own integral mounted cooling wheels.

2.6 Impeller shall be of mixed ﬂow type consisting of welded construction that shall be of carbon steel, stainless steel or aluminum, as indicated on the fan schedule.

2.6.1 Impeller shall produce an operation curve that does not produce any dip in the fan curve, with stable operation over its full curve operating range.

2.7 The electric motor shall be as speciﬁed on fan schedule and is available in any enclosure as made available from the motor vendors. The motor shall be of a typical NEMA-T frame type and standard in nature with the motor industry and is readily available, unless speciﬁed otherwise due to application warranting such.

2.8 Fan shall be of AMCA spark resistant construction when required and as indicated on the fan schedule as either AMCA “A”, “B” or “C”.

2.9 Fan shall be coated with air dry enamel as standard or any other available coating as made available by coating suppliers and as indicated on the fan schedule.

2.10 The ﬁnal complete fan assembly shall be vibration tested and mechanically balanced as per AMCA 204 Grade BV-3 / ANSI S2.19 G 6.3 and the results recorded on a label placed on the fan assembly.

ACCESSORIES

3.1 Fan manufacturer shall supply a NEMA rated disconnect when required as shown on the fan schedule.

3.2 The motor chamber shall have either louvered or birdscreen covers as shown on the fan schedule.

3.3 The fan manufacturer shall supply a galvanized roof curb with rigid insulation and a wood nailer as shown on the fan schedule.

PENNBARRY

Direct Drive

PRODUCT

2.1 Fan shall be of axial/centrifugal, mixed ﬂow type, conﬁguration.

2.2 Fan shall be direct drive as shown on schedule.

2.3 Fan housing shall be of all welded construction with a ﬂanged inlet and outlet, and shall be constructed completely of carbon steel, stainless steel (type 316 or

304) or aluminum as speciﬁed on fan schedule.

2.3.1 The fan housing shall have an integrally designed removable section to allow for impeller inspection or removal while the fan assembly remains installed.

2.4 Motor shall be separated from the air stream and is located in an easily accessible and visible chamber. This chamber bifurcates the fan housing and the air stream.

2.5 When required, the fan shall be equipped to be capable of continuous operation at 250°F, 450°F, 750°F, 900°F or 1000°F, as indicated on the fan schedule.

2.5.1 The fan shall perform at the elevated temperatures without any additional external cooling fans other than its own integral mounted cooling wheels.

2.6 Impeller shall be of mixed ﬂow type consisting of welded construction that shall be of carbon steel, stainless steel or aluminum, as indicated on the fan schedule.

2.6.1 Impeller shall produce an operation curve that does not produce any dip in the fan curve, with stable operation over its full curve operating range.

2.7 The electric motor shall be as speciﬁed on fan schedule and is available in any enclosure as made available from the motor vendors. The motor shall be of a typical NEMA -T frame type and standard in nature with the motor industry and is readily available, unless speciﬁed otherwise due to application warranting such.

2.8 Fan shall be of AMCA spark resistant construction when required and as indicated on the fan schedule as either AMCA “A”, “B” or “C”.

2.9 Fan shall be coated with enamel as standard or any other available coating as made available by coating suppliers and as indicated on the fan schedule.

2.10 The ﬁnal complete fan assembly shall be vibration tested and mechanically balanced as per AMCA 204 Grade BV-3 / ANSI S2.19 G 6.3 and the results recorded on a label placed on the fan assembly.

ACCESSORIES

3.1 Fan manufacturer shall supply a NEMA rated disconnect when required as shown on the fan schedule.

3.2 The motor chamber shall have either louvered or

birdscreen covers as shown on the fan schedule.