The SWF series utilizes
the same powerful (high static) motor found in the popular PV Series fans,
yet the SWF series is encased in an exterior mounted housing. The outdoor
rated exterior housing provides easy access from the outside of a building
or dwelling. This makes the SWF a great solution for installations where
attic space or easy indoor access is difficult and not suitable for traditional
PV style in-line mounting. . All models are designed for direct connection
in-line with standard diameter round ducting. Airflow performance values
range from 119 CFM up to 416 CFM.
All SWF series models
incorporate a powerful external rotor motor that has been factory matched
to a non-overloading backward curved centrifugal fan wheel.
This powerful combination
enables the SWF to deliver exceptional air-flow performances against high
static pressure typically found in ducted ventilation systems. All motors
within the SWF series are fully speed controllable using voltage or frequency
control regulators.
The SWF series has
been designed for easy through the wall installation. The totally enclosed
motor design allows for the SWF to operate in high moisture, lint and
dust laden air. All models are manufactured with high quality materials
and workmanship that is supported by a comprehensive 5 year warranty.
The SWF series features
a corrosion resistant galvanized steel casing with a baked enamel coating
that can be painted to match the exterior wall. The unit also includes
a built-in backdraft damper and an extended opening exhaust grill. The
larger grill allows for the easy exhaust of "dirty" or lint
laden air while the spring-loaded backdraft damper helps prevent insects,
etc. from entering duct work.
CASING:
- Manufactured from
high grade pressed galvanized steel, with baked enamel coating.
- Removable top for
easy access to motor for cleaning or inspection.
- Large grill opening
for easy passing of lint and other potentially clogging materials.
- Includes prewired
terminal box.
WHEEL/IMPELLER
- Backward curved
centrifugal type.
- Factory matched
to an external rotor motor and dynamically balanced to eliminated vibration.
MOTORS:
- Totally enclosed
permanent split capacity start and run external rotor motors;
- 115V 60Hz (single
phase) electrical connection.
- Permanently sealed,
self lubricating precision ball bearings.
- Safety Thermal
Overload Protection Cut-Out (Automatic Resent Type).
- All models are
suitable for working airstreams up to 140° F.
CODE APPROVAL:
- All models have
been independently safety tested by Underwriters Laboratories, Inc.
and are UL and cUL listed.
- The SWF product
range is certified by the Home Ventilating Institute (HVI) for Air Performance.
SOUND: Fan
sound levels are measured in sones. At this time there are no sone level
test standards available through HVI due to the fact that remote mounted
fan noise levels are in proportion to the following: type of duct, length
of duct, fan distance from the intake source and other random factors.
It is generally accepted that remote mounted venting is quieter than standard
(in room) venting.
