Greenheck Fan SE1 - Manual (Page 39)

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Belt Drive Specifications
Belt Drive
Belt driven, axial type sidewall fans shall be provided as follows:
Propellers shall be constructed with fabricated steel, fabricated aluminum, or cast aluminum blades and
hubs. Propellers shall be securely attached to fan shafts. All propellers shall be statically and dynamically
balanced to AMCA standard 204-05.
Motors shall be permanently lubricated, heavy duty type, carefully matched to the fan load and furnished at
the specified voltage, phase, and enclosure.
Ground and polished steel fan shafts shall be mounted in permanently lubricated, sealed ball bearing
pillow blocks and coated with an anti-corrosive coating. Bearings shall be selected for a minimum (L10) life
in excess of 100,000 hours (L50 average life of 500,000 hours) at maximum cataloged operating speeds.
Drives shall be sized for a minimum of 150 percent of driven horsepower. Pulleys shall be of the fully
machined cast iron type, keyed and securely attached to wheel and motor shafts. Motor sheaves shall be
adjustable for system balancing.
Drive frame and panel assemblies shall be galvanized steel or painted steel. Drive frames shall be formed
channels and fan panels shall have prepunched mounting holes, formed flanges, and a deep formed inlet
venturi. Drive frames and panels shall be bolted construction or welded construction (level 3 fans only).
The axial exhaust or supply fans shall bear the AMCA Certified Ratings Seals for both sound and air
performance.
Fans shall be Model SBE-1, SBE-2, SBE-3, SBS-1, SBS-2, SBS-3, SBCE and SBCS as manufactured by
Greenheck, Schofield, Wisconsin.
Reversible Belt Drive
Belt driven, axial type sidewall fans shall be provided as follows:
Propellers shall be constructed with cast aluminum blades and hubs. Propellers shall be securely attached
to fan shafts. All propellers shall be statically and dynamically balanced to AMCA standard 204-05.
Motors shall be permanently lubricated, heavy duty type, carefully matched to the fan load and furnished at
the specified voltage, phase, and enclosure.
Ground and polished steel fan shafts shall be mounted in permanently lubricated, sealed ball bearing pillow
blocks, and coated with an anti-corrosive coating. Bearings shall be selected for a minimum (L10) life in
excess of 100,000 hours (L50 average life of 500,000) at maximum cataloged operating speeds. Drives shall
be sized for a minimum of 150 percent of driven horsepower. Pulleys shall be of the fully machined cast
iron type, keyed and securely attached to wheel and motor shafts. Motor sheaves shall be adjustable for
system balancing.
Drive frame and panel assemblies shall be galvanized steel or painted steel. Drive frames shall be formed
channels and fan panels shall have prepunched mounting holes, formed flanges, and a deep formed double
inlet venturi. Drive frames and panels shall be bolted construction or welded construction.
The axial exhaust or supply fans shall be tested in accordance AMCA Standard 301 in both sound and air
performance.
Fans shall be Model SBCR as manufactured by Greenheck, Schofield, Wisconsin.