Greenheck Fan GB manual Centrifugal Roof Downblast Exhaust Fans

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Centrifugal Roof Downblast Exhaust Fans

•General Clean Air • Light Contaminants

•Seismic • High Wind • Variable Volume

Models G and GB

Performance data now included.

June 2011

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Contents Centrifugal Roof Downblast Exhaust Fans Models G and GB Codes and CertificationsModel Comparison Models G and GB Construction FeaturesModel GB Belt Drive Applications Problems after a seismic eventEmergency Smoke Control GB Seismic G and GBHigh Wind and Hurricane G and GB Options Constant Volume Load ShapeVari-GreenMotor Model G HypotheticalDemand Control Ventilation Vari-GreenControlsRoof Curbs Options and AccessoriesSpeed Controllers for Standard Motors General Clean Air figure Typical InstallationsWheel Rotation Fan Inlet Connections GB 240 HP VG/5/AModel Number Code 060 G-065 Roof Downblast Exhaust Direct DriveRPM 070 G-075 080 G-085 090 G-095 GB-071 G-097 Roof Downblast Exhaust Belt & Direct DriveMaximum BHP AT a Given RPM = RPM/33713 Maximum Motor Frame Size =Maximum BHP AT a Given RPM = RPM/29853 GB-081 G-098Maximum BHP AT a Given RPM = RPM/27033 GB-091 G-099Maximum BHP AT a Given RPM = RPM/25933 Maximum RPM = GB-101 G-103Maximum BHP AT a Given RPM = RPM/31653 GB-101HP G-103HPMaximum BHP AT a Given RPM = RPM/21703 Maximum RPM = GB-121 G-123Maximum BHP AT a Given RPM = RPM/20473 GB-131 G-133Maximum BHP AT a Given RPM = RPM/16763 GB-141 G-143Maximum Motor Frame Size = 145T Maximum BHP AT a Given RPM = RPM/23513 GB-141HP G-143HPMaximum BHP AT a Given RPM = RPM/1355 GB-161 G-163GB-161HP Roof Downblast BeltExhaustDrive SizeBelt-Drive GB H-GBMaximum BHP AT a Given RPM = RPM/1708 Maximum BHP AT a Given RPM = RPM/1149 GB-180 G-183Maximum Motor Frame Size = 184T GB-180HP Roof Downblast Exhaust Belt DriveMaximum BHP AT a Given RPM = RPM/1325 Maximum BHP AT a Given RPM = RPM/938 GB-200 G-203Maximum BHP AT a Given RPM = RPM/1106 GB-220HPMaximum BHP AT a Given RPM = RPM/782 GB-220Maximum BHP AT a Given RPM = RPM/838 Maximum BHP AT a Given RPM = RPM/715 GB-240Maximum BHP AT a Given RPM = RPM/845 GB-240HPMaximum BHP AT a Given RPM = RPM/572 GB-260Maximum BHP AT a Given RPM = RPM/517 GB-300Maximum BHP AT a Given RPM = RPM/613 GB-300HPMaximum BHP AT a Given RPM = RPM/405 GB-330Maximum Motor Frame Size = 215T Maximum BHP AT a Given RPM = RPM/394 GB-360Maximum BHP AT a Given RPM = RPM/431 GB-360HPGB-420 Maximum BHP AT a Given RPM = RPM/245 GB-480Maximum Motor Frame Size = 256T GB-500Maximum BHP AT a Given RPM = RPM/202 GB-540Vari-GreenMotor Specification SpecificationsVari-GreenControls Specification Model G Direct Drive SpecificationsHigh Wind Specifications Direct Drive, Severe Duty SpecificationsModel GB Belt Drive SpecificationsSmoke Control Specifications Belt Drive, Severe Duty Specifications097 5-10 101 071-091101HP 5-10 103HP 121 123