Specs

Bridgestone Retail Operations, LLC
PROJECT MANUAL
Version: January 2012
D. Belt-Driven Units: Motor mounted on adjustable base, with adjustable sheaves, enclosure
around belts within fan housing, and lubricating tubes from fan bearings extended to outside of
fan housing.
E. Fan Wheels: Aluminum, airfoil blades welded to aluminum hub.
F. Accessories: See Construction Documents.
G. Capacities and Characteristics: See Construction Documents.
2.2 PROPELLER FANS
A. Basis-of-Design Product: Subject to compliance with requirements, provide Loren Cook Co. or
comparable product by one of the following:
1. Greenheck Fan Corp.
2. PennBarry.
B. Housing: Galvanized-steel sheet with flanged edges and integral orifice ring with primed finish
coat applied after assembly for field painting and to match wall.
C. Fan Wheel: Replaceable, extruded-aluminum, airfoil blades fastened to cast-aluminum hub;
factory set pitch angle of blades.
D. Fan Drive: Motor mounted in airstream, factory wired to disconnect switch located on outside of
fan housing.
E. Fan Drive:
1. Shaft Bearings: Permanently lubricated, permanently sealed, self-aligning ball bearings.
F. Accessories: See Construction Documents.
G. Capacities and Characteristics: See Construction Documents.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install power ventilators level and plumb.
B. Support units per manufacturer’s installation instructions. Unit shall be level and plumb and on
factory provided vibration isolators.
C. Support suspended units from structure using threaded steel rods per manufacturer’s
instructions.
D. Install units with clearances for service and maintenance per manufacturer’s instructions.
E. Label units according to requirements specified in Section 15077 "Identification for HVAC Piping
and Equipment."
POWER VENTILATORS 15838 - Page 2 of 3