Greenheck G Manual page 11

Centrifugal roof downblast exhaust fans
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Options and Accessories
Speed Controllers for
Standard Motors
Available for use with shaded
pole and permanent split
capacitor (PSC) open motors
on model G fans. They provide
an economical means of system
balancing with direct drive fans.
Disconnect Switches
A wide selection of NEMA rated
switches are available for positive
electrical shutoff and safety,
including: dust-tight, rainproof,
and corrosion-resistant.
Switches may be internally
or externally mounted.
Dampers
Designed to prevent
outside air from entering
back into the building
when fan is off. Includes
gravity and motorized
dampers. Damper sizes
are shown on each
performance data page.
Motor Starters
-
The fundamental
function of a motor
starter is to protect the
motor from damage
that can occur from
overheating. With
a Greenheck motor
starter you will be
provided with the
best motor protection
available.
Specific model components may include;
SmartStart™ technology, physical interface, overload
protection, disconnect, magnetic contactor, NEMA-1
or NEMA-3R steel enclosures and pre-engineered
easy system integration. For complete information on
specific Greenheck Motor Starter models refer to
greenheck.com, Motor Starter page.
Birdscreen
Galvanized mesh is standard,
optional aluminum or stainless
steel rigid wire are also available.
G and GB models are Listed for electrical
(UL/cUL 705) File no. E40001
GB models for Emergency Smoke Control Systems
(UL/cUL Listed for 500˚F (260˚C) for 4 hours and
1,000˚F (538˚C) for 15 minutes) File no. MH17511
Note: UL/cUL is optional and must be specified.
Coatings
A wide variety of coatings and colors are available.
Greenheck coatings and resistance charts can be
found in the Performance Coatings Commercial
and Industrial Fans catalog and in our Product
Application Guide—Performance Coatings for
Ventilation Products.
Primer
is applied at the factory to allow
for final finish in the field.
PRIMER
Permatector™
Typically used for applications that
TM
PERMATECTOR
require corrosion resistance in indoor
and outdoor environments.
Hi-Pro Polyester
water, chemical fumes and moisture
HI-PRO
POLYESTER
in more corrosive atmospheres.
Typically used for applications that
require superior chemical resistance,
excellent abrasion and outdoor UV
protection. This coating exceeds
protective qualities of Air Dried Heresite
and Air Dry Phenolic.
Baked Enamel Decorative Coatings
are heat cured enamels applied either
as wet paints or electrostatic powders.
Customers can choose from 16 standard
decorative colors or color match any
color.
is our standard coating.
is resistant to salt
11

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