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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
                    
                    ページ2に含まれる内容の要旨 
                    
                        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
                    
                    ページ3に含まれる内容の要旨 
                    
                        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
                    
                    ページ4に含まれる内容の要旨 
                    
                        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.