Loren Cook ACSC-XP User Manual

Description

Certifications:

Construction:

Belts and Drives:

Model

Wheel:

Motor:

Bearings:

Product:

Typical Specifications

: ACSC-XP

:

Fan shall be a spun aluminum style, roof mounted, belt driven, high temperature

upblast extended pressure centrifugal exhaust ventilator.
Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by

Underwriters Laboratories as a “Power Ventilator for Smoke Control Systems” and
UL listed as “Power Ventilator for Smoke Control Systems Certified for Canada”. Fan
shall bear the AMCA Certified Ratings Seal for Sound and Air Performance.

The fan shall be of bolted and welded construction utilizing corrosion resistant

fasteners. The spun aluminum structural components shall be constructed of
minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminum support
structure. The steel base shall have a one piece inlet spinning and continuously
welded curb cap corners for maximum leak protection. The windband shall have a
rolled bead for added strength. A two piece top cap shall have stainless steel quick
release latches to provide access into the motor compartment without the use of
tools. An external wiring compartment with integral conduit chase shall be provided
into the motor compartment to facilitate wiring connections. The motor, bearings and
drives shall be mounted on a minimum 14 gauge steel power assembly. These
components shall be enclosed in a weather-tight compartment, separated from the
exhaust airstream. A one inch thick, three pound density foil backed heat shield shall
be utilized to protect the motor and drive components from excessive heat. Lifting
lugs shall be provided to help prevent damage from improper lifting. Unit shall be
tested to operate at 500
excess of 15 minutes per SBCCI requirements. Unit shall bear an engraved
aluminum nameplate.

maximum fan RPM.

Packaging.

Wheel shall be centrifugal backward inclined, constructed of steel, including a

precision machined steel hub. Wheel inlet shall overlap an aerodynamic steel inlet
cone to provide maximum performance and efficiency. Wheel shall be balanced in
accordance with AMCA Standard 204-96, Balance Quality and Vibration Levels for
Fans.

Motor shall be heavy duty type with permanently lubricated sealed ball bearings and

furnished at the specified voltage, phase and enclosure.

Bearings shall be designed and individually tested specifically for use in air handling

applications. Construction shall be heavy duty regreasable ball type in a cast iron
pillow block housing selected for a minimum L50 life in excess of 200,000 hours at
maximum cataloged operating speed.

Belts shall be oil and heat resistant, non-static type. Drives shall be precision

machined cast iron type, keyed and securely attached to the wheel and motor shafts.
Drives shall be sized for 150 percent of the installed motor horsepower. The variable
pitch motor drive must be factory set to the specified fan RPM.

Fan shall be model ACSC-XP as manufactured by

Loren Cook Company of Springfield, Missouri.

°F for 4 hours per IRI requirements and operate at 1000°F in

Nameplate shall indicate design CFM, static pressure, and

Unit shall be shipped in ISTA Certified Transit Tested

10/20/03