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PN 458341
®
Model BDF
Belt Drive Duct Fan
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting
to assemble, install, operate or maintain the product described. Protect yourself and others by
observing all safety information. Failure to comply with instructions could result in personal injury
and/or property damage!
Model BDF
Belt Drive Duct Fan
Model BDF is a belt drive duct supply, exhaust or return air
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and “sweating” of metal parts). All accessories must be Receiving stored indoors in a clean, dry atmosphere. Upon receiving the product check to make sure all Remove any accumulations of dirt, water, ice or snow items are accounted for by referencing the bill of lading and wipe dry before moving to indoor storage. To to ensure all items were received. Inspect each crate avoid “sweating” of metal parts allow cold parts to for shipping damage before accepting delivery. Notify reach room te
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Chart 1: BDF Fan Dimensions Approximate Unit Weight Material A B C D E F G H I J K* Size Filter Thickness Fan Box 1 1 7 3 11 3 7 3 1 3 23 ⁄4 18 ⁄2 15 ⁄8 15 ⁄16 12 ⁄16 9 ⁄4 8 ⁄8 1 5 ⁄8 4 ⁄4 49 ⁄4 71 32 80 (591) (470) (403) (386) (322) (248) (225) (25) (137) (108) (1264) (32) (15) 1 1 3 1 7 1 1 3 1 7 24 ⁄4 21 ⁄4 18 ⁄4 18 ⁄4 15 ⁄8 12 ⁄4 10 ⁄2 1 6 ⁄4 4 ⁄2 54 ⁄8 92 42 90 (616) (540) (476) (464) (403) (311) (267) (25) (171) (114) (1394) (42) (19) 1 3 3 3 7 3 7 3 1 7 26 ⁄4 22 ⁄4 20 ⁄4 19 ⁄4 17 ⁄8
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Cl o c k Pre Start-Up Checks WARNING 1. Check all fasteners for tightness. The wheel Correct direction of wheel rotation is critical. should rotate freely and not rub on the fan Reversed rotation will result in poor air panel venturi. Turn the fan on momentarily to performance, motor overloading and possible check for unusual vibration or noise. Do not burnout. run the fan more than a few seconds without being connected to the system for which it was 4. Vibration Isolators: After fan
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7. The adjustable motor pulley is factory set for Maintenance: BDF the RPM specified. Speed can be increased by Installation and maintenance are to be performed closing or decreased by opening the adjustable only by qualified personnel who are familiar motor sheave. Two groove variable pitch pulleys with local codes and regulations and who are must be adjusted an equal number of turns open experienced with this type of equipment. or closed. Any increase in speed represents a Motor main
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4. Once installed, adjust belts as shown in Table 1: Suggested Fan Bearing Greasing Intervals “Pre-Starting Checks.” Interval (months) Type of Service 5. Shaft bearings can be classified in two groups: relubricating and non-relubricating. Heavy duty in dirty, dusty locations; 1 to 3 high ambient temperatures; moisture Bearings on sizes 80 through 180 are factory laden atmosphere; vibration. lubricated and require no further lubrication 12 to 24 hours per day, heavy duty, under normal us
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7 8 7 8 7 5 7 5 6 6 2 2 7 7 8 8 7 7 5 5 6 6 2 2 Isolator I.D.-BVI Isolator I.D.-BVI Isolator I.D.-BVI Isolator I.D.-BVI Base Isolator Hanging Isolator NOTE: Unit Top bracket is reversible 2 1 side panel o 2 for mounting unit 90 Hanging Isolator from indicated. Base Isolator 6 5 5 4 (SQ & BSQ only) 1 NOTE: 5 5 2 Unit Top bracket is reversible 2 4 1 side panel o 2 for mounting unit 90 7 3 3 from indicated. 4 6 5 5 4 (SQ & BSQ only) 1 6 1 5 5 5 2 4 5 5 7 3 3 4 1 5 6 5 8 1 2 5 5 7 5 6 Isolator Parts
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Parts List NOTE Each fan bears a manufacturer’s nameplate with model number and serial number embossed. This information will assist the local Greenheck representative and the factory in providing service and replacement parts. Before taking any corrective action, make certain unit is not capable of operation during repairs. CAUTION A fan manufactured with an explosion resistant motor does not certify the entire unit to be explosion proof. Refer to UL Listing Mark for the fans approved usage.
