Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L - Manual (Page 14)

14
Accessories
QEI-L QEI-I QEI-II QEID
Motor Cover A weatherproof motor cover shields the motor components
from dust, dirt and moisture for indoor or outdoor
installations. Motor covers also serve as a personnel guards
and meet OSHA standards.
  
Hinged Access Door Hinged access doors provide an opening through the fan
housing for cleaning or visual inspection of the wheel. Bolted
access door is standard.
   
Extended Life
Bearings Air handling quality, flange mounted bearings meet a basic
rating fatigue life L
10
per ABMA standards, in excess of
200,000 hours (L
50
at 1,000,000) at maximum operating
speed.
 
Copper Lube Lines
(Belt Drive) Copper lube lines can be used as a replacement for
standard nylon lube lines.
  
Flanges Inlet and outlet flanges with prepunched holes, welded to
the housing, provide an easy means for bolted connection
to ductwork. Matching bolt-on companion flanges are also
available.
Std.   
Disconnect Switches Toggle-type and heavy-duty disconnect switches are
available for positive electrical shut-off and safety when
servicing fans. The following switches are available to
meet individual electrical requirements and can be factory
mounted or shipped loose for field mounting.
• NEMA-1 General purpose
• NEMA-3R Rainproof
• NEMA-4 Watertight
• NEMA-7 & 9* Class 1 and 2 hazardous locations
*Greenheck will not factory mount NEMA-7 & 9 disconnect switches.
   
Inlet and Outlet
Guards Removable inlet and outlet guards provide protection
for personnel and equipment in ducted or non-ducted
installations.
   
Extended Wiring Electric leads from the motor junction box are brought out to
exterior of unit. This provides an easy means of connecting
the motor to the electrical system.

Belt Tube A totally enclosed belt tube isolates the belts and drives
from the airstream.
  
Sound Vault Housing See page 8 for more details on sound vault housing.  
Mounting Rails Mounting rails are recommended for vertically mounted fans
or horizontal mounting when the motor is to be located in the
C or G (3 or 9 o’clock) position.
  
Isolators Both base mount and hanging isolators are available in
either neoprene or spring mounts.
   
Special Coatings Special coatings are available for protective purposes.
Consult Greenheck’s Product Application Guide,
Performance Coatings for Ventilation Products
, for a
complete list of coatings available and their chemical
resistance. Available online at www.greenheck.com.
   
Sure Aire™ Flow
Measurement Sure-Aire provides real-time flow measurement for use in
building automation systems. For additional information,
see page 8 or our Sure-Aire Flow Monitoring System catalog
available at www.greenheck.com.
   
Availability