484147 • GreenJet – Centrifugal Jet Fan, Rev. 1, March 2020
Copyright 2020 © Greenheck Fan Corporation
8
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the literature
section of the website at Greenheck.com/Resources/Library/Literature.
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Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: [email protected] • Website: www.greenheck.com
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Greenheck’s GreenJet Jet Fans catalog provides additional information describing the equipment, fan performance, available
accessories, and specification data.
Problem
Cause
Corrective Action
Excessive noise
Wheel unbalance
Clean all dirt off wheel. Check wheel balance, replace if
necessary.
Impeller blocked
Inspect and remove debris from inlet and outlet.
Fan doesn’t operate
Electrical supply
Check fuses/circuit breakers. Check for switches turned
off or disconnected. Check for correct supply voltage.
Control signal
Verify control signal and wiring. Check connections to
terminal strip.
Low airflow
Inlet / outlet blocked
Remove debris from inlet and outlet.
* Excessive fan speed may overload the motor and result in motor failure. Do not exceed the maximum cataloged
rpm of the fan.
Troubleshooting
Figure 7 – GJI wiring diagram
Terminal Strip
Disconnect
Switch
Motor Connections
