PennBarry PNB User Manual

Sample Specifications - PND/PNB

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

1.2 Fans shall conform to AMCA 99 Standards.

1.3 All motors and electrical components shall comply to NEMA, UL or other governing body.

Panel Fan

Belt Drive - Series PNB

PRODUCT

2.1 The fan shall be of an axial flow propeller, panel fan
mount, belt driven configuration.

2.2 The fan shall be belt driven with the motor mounted
directly in the air stream.

2.2.1 The drive sheaves shall be cast iron with appropriately
sized and aligned belt to attain 1.5 service factor.

2.3 Fan panel assembly shall be of all welded construction,
and shall be constructed completely of carbon steel,
aluminum or stainless steel as indicated on the fan
schedule.

2.3.1 The fan panel shall have an integrally die formed, deep
shroud for smooth air entry into the propeller.

2.3.2 The fan’s motor and bearing support consist of a rigid
steel formed structure welded directly to the fan panel.

2.4 The fan shaft shall be steel, ground for precision fit to
bearings and keyed for driving the impeller and drive
sheave.

2.5 Fan bearings shall be cast iron housing, self-aligning ball,
re-lubricatable bearings.

2.5.1 Fan bearings shall have a minimum L
by AFBMA of 35,000 hours.

2.6 The propeller shall be constructed of cast aluminum
blades fastened directly to a cast aluminum hub
assembly. The hub is designed to incorporate a taper lock
bushing and keyed directly to the fan shaft.

2.7 The motor mounting base is configured to allow for
various frame sizes and designed to allow for belt tension
adjustment.

2.8 The fan mounting panel assembly shall be coated with
enamel as standard or optional other available coating as
made available by coating suppliers and as indicated on
the fan schedule. The propeller is uncoated.

2.9 The final complete fan assembly is vibration tested and
balanced as per AMCA 204, grad BV-3.

3.0 The motor shall be of a typical NEMA-T frame type and
typical with the motor industry. The electric motor shall be
as indicated on the fan schedule and as available from
the motor vendors.

PRINCIPALS AND FUNCTIONS

4.1 Fan performance rating shall be based on methods as
developed by AMCA standard 210.

4.2 Form, function and application of the fan shall be as
defined by ASHRAE, AMCA and SMACNA in regard to air
system design in compatibility with the fan.

ACCESSORIES

5.1 The fan shall have front and/or rear safety guards as
indicated on the fan schedule.

5.2 The fan shall be of a fixed, reversed air flow configuration
with a double entry bell on the fan panel as indicated on
the fan schedule.

5.3 The fan shall be of a reversible air flow configuration
for supply or exhaust with a double entry bell on the fan
panel as indicated on the fan schedule.

life as defined

10

Direct Drive - Series PND

PRODUCT

2.1 The fan shall be of an axial flow propeller, panel fan
mount, direct driven configuration.

2.2 The fan shall be direct driven with the propeller mounted
to the motor shaft.

2.3 Fan panel assembly shall be of all welded construction,
and shall be constructed completely of carbon steel,
aluminum or stainless steel as indicated on the fan
schedule.

2.3.1 The fan panel shall have an integrally die formed, deep
shroud for smooth air entry into the propeller.

2.3.2 The fan’s motor support consist of a rigid steel formed
structure welded directly to the fan panel.

2.4 The propeller shall be constructed of cast aluminum
blades fastened directly to a cast aluminum hub
assembly. The hub is designed to incorporate a taper lock
bushing and keyed directly to the motor shaft.

2.5 Fan mounting panel assembly shall be coated with
enamel as standard or optional other available coating as
made available by coating suppliers and as indicated on
the fan schedule. The propeller is uncoated.

2.6 The final complete fan assembly is vibration tested and
balanced as per AMCA 204, grad BV-3.

2.7 The motor shall be of a typical NEMA-T frame type and
typical with the motor industry availability. The electric
motor shall be as indicated on the fan schedule and is
available from the motor vendors.

PRINCIPALS AND FUNCTIONS

3.1 Fan performance rating shall be based on methods as
developed by AMCA standard 210.

3.2 Form, function and application of the fan shall be as
defined by ASHRAE, AMCA and SMACNA in regard to air
system design in compatibility with the fan.

ACCESSORIES

4.1 The fan shall have front and/or rear safety guards as
indicated on the fan schedule.

4.2 The fan shall be of a fixed, reversed air flow configuration
with a double entry bell on the fan panel as indicated on
the fan schedule.

4.3 The fan shall be of a reversible air flow configuration
for supply or exhaust with a double entry bell on the fan
panel as indicated on the fan schedule.

PENNBARRY

29