333 Pfingsten Road
United States Country Code (1 )
FAX No. (847) 272-8129
November 27, 2001
REPORT on FANS, ELECTRIC
Active Ventilation Products, Inc. Newburgh, NY
Copyright 2001 Underwriters Laboratories Inc.
Underwriters Laboratories Inc. authorizes the above named company to reproduce
this Report provided it is reproduced in its entirety.
PRODUCT COVERED:USL - Roof Mounted Attic Ventilator, Model AF-8.
ELECTRICAL RATINGS: 120 V, 60 Hz, 1.0 A.
ENGINEERING CONSIDERATIONS (NOT FOR FIELD REPRESENTATIVE'S USE):
The product covered by this Report is a roof mounted attic ventilator intended for installation in manufactured homes in accordance with the National Electric Code, and to be mounted on a roof having a maximum pitch of 6/12. It is shipped as described in this Report and in the field, the leads will be connected to a Listed Nonmetallic Sheathed Cable Splicing Connector subjected to the Qverload and Resistance to Arcing Tests per UL498, the Standard for Attachment Plugs and Receptacles, and also Listed for use in manufactured buildings and mobile homes in accordance with Articles 545 and 550 of the National Electric Gode.
These fans have not been evaluated for use with solid state speed controls, and are not suitable for use over cooking equipment.
USL indicates evaluation with the US Standard for Electric Fans, UL 507, Ninth Edition.
Spacings - A minimum spacing of 3/32 in, (2,38 mm) is maintained through air and over surface between uninsulated live parts and dead-metal parts and between uninsulated live parts of opposite polarity.
Corrosion Protection - All ferrous metal parts are suitably protected against corrosion by painting, plating or the equivalent.
Grounding - A bare, NQ. 14 AWG lead, is secured to a green grounding screw on the motor chassis.
Internal Wiring - All internal wiring shall be R/C(AVLV2) AWM, rated minimum 60 C, 300 V minimum unless otherwise specified in the following description. All wiring is secured with Listed cable ties and routed away from moving parts and sharp edges.
Splices - Unless specifically described by Cat. No., insulated wire connectors shall be Listed; suitable for the number, size and type of conductor, covering all stripped conductors. Crimped on connectors shall be assembled using the cannector manufacturers recommended tools. Quickdisconnect connectors shall have positive indents. Soldered connections shall be mechanically secured before soldering.
Marking - Label composed of R/C(PGDQ2) suitable for use on each type of surface applied. Includes Listee's name or trademark, model number, electrical ratings, date of manufacture.
Installation and Safety Instructions - Important safety instructions shall be packaged with each fan. See ILL. 1 for details.
MODEL AF-8 - FIG. l (N01-23182) AND FIG. 2 (N01-23183)
1. Outer Cover - Aluminum, 290 mm OD, 133 mm high at edge, 0.5 mm thick, secured to inside enclosure with three screws. Consists of two sheets fastened together. Provided with louvered ventilation openings, each opening approx 5 mm wide by 112 mm long.
2. Inside Cover - Aluminum, 200 mm OD, 160 mm high, 0.5 mm thick.
Provided with ventilation openings, each opening approx 5 mm wide by 115 mm high. Clamps to ridge around opening in the center of mounting plate.
3. Mounting Plate - Aluminum, measures approximately 345 by 345 mm,provided with opening in center, 200 mm diameter.
MODEL AF-8 - FIG. 3 (N01-23184)
Fan - R/G(QMFZ2l, rated HB minimum, 118 mm diameter, 1.5 mm thick. Provided with 10 blades, each 25 mm high. Press fit to motor shaft. Blades located 25.4 mm minimum from the motor windings.
Time Delay Control Module - R/C(NKCR2), Infitec Inc., model FRS51115M, rated 120 V ac, 1.0 A, secured to mounting bar with Listed cable tie. Module is orientated so the electrical connections are opposite the mounting bar.
Motor - RJC(XEWR2), Bomax, type B-FTP, rated 120 V, 60 Hz, 1,2 A Employs a R/C(OBJY2) Class B insulation system. Secured to mounting bar by two bolts through the motor chassis. Motor leads are secured with Listed cable ties and routed away from moving parts and sharp edges. (Employs a single operation thermal cut-off device, rated 152°C.
Fan beads - Listed nonmetallic skeathed cable, type NM-B, 14 AWG, 2 conductor with bare ground conductor, jacket rated 600 V. Leads extend 6 in. minimum from where it exits the fan housing. Primary leads terminate with Listed quick-disconnect connectors, other ends are not terminated. Grounding conductor is secured to green colored screw on the motor chassis. Strain relief is achieved by clamping the leads between the mounting bar and the motor chassis.
Mounting Bar - Aluminum, 200 mm long, 3.0 mm thick, secured to inside cover with four screws.
The manufacturer submitted representative production samples of attic fan Model AF-8.
The following tests were conducted in accordance with the Standard for Electric Fans, UL 507, Ninth Edition.
Only the following tests were deemed necessary.
CONTINUITY OF GROUNDING CIRCUIT TEST:
A suitable measuring instrument was used to measure the resistance between any point of the appliance required to be grounded and the equipment grounding terminal or the point of attachment of the wiring system.