Greenheck RDU - Manual
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Table of Contents:
- Page 2 – ELECTRICAL CONNECTIONS; For belt drive units in Emergency Smoke Removal installations; FAILURE TO COMPLY WITH THESE SAFETY PRECAUTIONS MAY; The; For Models RBUMO with high temperature option - UL Listed; US LISTED; UL
- Page 3 – ROUTINE MAINTENANCE; WARNING; COULD RESULT IN SERIOUS INJURY OR DEATH.; BELTS; PRESTARTING CHECKS; FOR BELT DRIVE FANS
- Page 4 – FASTENERS AND SET SCREWS; Copyright © 2000 Greenheck Fan Corp.
1
Greenheck Model RBU, RBUMO and RDU fans are thoroughly inspected and test run at
the factory, however damage may occur during handling and shipping. Consequently, it
is important that the unit be carefully inspected for visible and concealed damage before
beginning installation. Report any damage to the shipper immediately. In
addition, assure all accessory items are accounted for.
INSTALLATION
LIFTING
Attach a suitable chain or strap to the four windband mounting brackets,
which are designed to be used as lifting lugs (Fig. 1).
Do not lift the
fan by the motor, belt
tube, damper frame,
windband or
accessories.
Carefully lift the fan to
the roof curb and install
fasteners in all holes
provided in the unit
base. The windband
does not need to be
removed for the lifting
operation.
SERVICE ACCESS
MOTOR OUT OF AIRSTREAM
Model RBUMO simplifies inspection and servicing with the “motor out
of the airstream” design. A removable motor cover enables quick and
easy access to the motor, belt, and drives from the roof deck (Fig. 2).
Servicing of propeller and bearings can easily be accomplished by
removing the fan panel/windband assembly from the fan base.
REMOVABLE WINDBAND
By removing the bolts from the four windband mounting brackets, the
windband can be removed. With the windband removed, access to the
fan can be gained through the butterfly dampers. This service feature
applies to models RBU, RBUMO and RDU (Fig. 1).
Lifting Lug
Fig. 2
Fig. 1
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
www.greenheck.com
®
READ AND SAVE THESE INSTRUCTIONS
Models RBU/RBUMO/RDU
Upblast Propeller Roof Fans
Belt Drive and Direct Drive
PN 455700
Installation, Operation and Maintenance Manual
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Summary
2 ELECTRICAL CONNECTIONS Before electrical connections are made, the supply voltage, phase and ampere capacity must be checked for compatibilitywith the fan motor. In addition, the supply wiring must be properly fused and conform to local and national electrical codes. The supply wires are then conn...
3 Belt Span Deflection = Belt Span 64 ROUTINE MAINTENANCE Once the fan has been put into operation, a periodic maintenance program should be set up to preserve the reliabilityand performance of the fan. Items to be included in this program are: • BELTS• BEARINGS• FASTENERS • SET SCREWS• LUBRICATION•...
4 IOM RBU/RBUMO/RDU Rev. 2 December 2000 Belt Drive Fans Parts List Direct Drive Fans Parts List 1. Fan Panel2. Propeller3. Drive Frame Channel (2)4. Motor Plate5. Motor6. Motor Pulley7. Shaft Pulley8. Fan Shaft9. Bearings (2) 10. Belt11. Bearing Plate (Level 3 fans only - not shown) 1. Fan Panel2. ...
