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Greenheck SWB 100 Series - User Manual

Greenheck SWB 100 Series
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MODEL SFB
MODEL SFD
MODEL SWB
Series 100
MODEL SWB
Series 200
TABLE OF CONTENTS
MOTOR AND DRIVE INSTALLATION (UNITS SHIPPED FROM STOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EFFECT OF INSTALLATION ON PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
UL 762 – RESTAURANT EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
PRE-STARTING CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
BELT-DRIVE FAN MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
BEARING LUBRICATION SCHEDULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
MOTOR MAINTENANCE (BELT AND DIRECT DRIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
TROUBLESHOOTING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
®
READ AND SAVE THESE INSTRUCTIONS
Centrifugal Utility Fans
Model SWB (Series 100 & 200)
Models SFB and SFD
PN 455308
Installation, Operation and Maintenance Manual

Table of Contents

Questions and Answers

  • S
    Sarah ClayAug 2, 2025
    How to fix excessive noise in my Greenheck Fan?
    • S
      Shirley WeberAug 2, 2025
      Excessive noise in your Greenheck Fan can stem from several issues. The wheel might be rubbing against the inlet; in this case, adjust the wheel or inlet cone and tighten the wheel hub or bearing collars on the shaft. For V-belt drive problems, tighten the sheaves on the motor or fan shaft, adjust belt tension, properly align the sheaves, and replace any worn belts or sheaves. Defective bearings can also cause noise, so replace any that are faulty, lubricate them, and tighten collars and fasteners. Finally, an unbalanced wheel can be the culprit; clean any dirt off the wheel and rebalance it if necessary.
  • S
    Sierra HowardAug 7, 2025
    What to do if my Greenheck SWB 100 doesn’t operate?
    • B
      Brian JacksonAug 7, 2025
      If your Greenheck Fan isn’t operating, start by checking the electrical supply: ensure fuses and circuit breakers are in working order, check that all switches are on, and verify the correct supply voltage. Also, check the drive for broken belts and tighten any loose pulleys. Finally, make sure the motor is the correct horsepower and is not tripping the overload protector.
  • J
    John WellsAug 12, 2025
    What causes high CFM in my Greenheck Fan?
    • S
      smithjillAug 12, 2025
      High CFM in your Greenheck Fan could be caused by the fan itself, so try decreasing the fan speed. Alternatively, the duct system may be the issue; consider resizing the ductwork or ensuring that access doors, filters, and grills are properly installed.
  • B
    Bradley JacksonAug 17, 2025
    Why does my Greenheck Fan have high horsepower?
    • L
      lawrencedouglasAug 17, 2025
      High horsepower in your Greenheck Fan may be due to a few reasons. First, check the rotation of the wheel and reduce the fan speed if necessary. Second, the duct system might be the cause; try resizing the ductwork and check the proper operation of face and bypass dampers, as well as filters and access doors.
  • B
    Brittany WoodAug 22, 2025
    What causes wrong static pressure in Greenheck Fan?
    • N
      Nicole GibsonAug 22, 2025
      If the static pressure is wrong in your Greenheck Fan, it might be because the duct system has more or less restriction than anticipated. Try changing obstructions in the system, using a correction factor to adjust for temperature or altitude, resizing the ductwork, cleaning filters and coils, or changing the fan speed.
  • M
    Matthew JordanAug 27, 2025
    Why is the bearing overheated on my Greenheck Fan?
    • K
      Kristopher RobinsonAug 27, 2025
      An overheated bearing in your Greenheck Fan can be caused by lubrication issues, so check for excessive or insufficient grease in the bearing. It may also be a mechanical problem, in which case you should replace the damaged bearing, relieve excessive belt tension, align the bearings, and check for a bent shaft.

Summary

Motor and Drive Installation Instructions

Installation

Effect of Installation on Performance

Explains how system layout and configurations impact fan performance and cause losses.

Installation of UL 762 Listed Fans for Restaurant Exhaust

Details UL 762 listing requirements for restaurant exhaust fans, including temperature and duct connection specs.

Pre-Starting Checks

Approximate Wheel Clearance Dimensions

Provides SWB, SFD, and SFB fan wheel overlap and radial gap dimensions for proper alignment.

Blower Maintenance (Belt Drive)

Bearing Lubrication Schedule for Greenheck Utility Fans

Schedule for relubricating shaft bearings based on fan RPM and shaft diameter to ensure longevity.

Motor Maintenance (Belt and Direct Drive)

Wheel and Fastener Maintenance

Guidance on cleaning wheels and checking fasteners for tightness to ensure smooth and safe operation.

Parts List

Troubleshooting

Warranty

Greenheck SWB 100 Series Specifications

General IconGeneral
Wheel TypeBackward inclined
Motor TypeTEFC
Housing MaterialSteel
Voltage Options208-230/460V
MountingWall

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