Greenheck Fan APEX-200 warranty Greenheck

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Troubleshooting

Symptom

Possible Cause

Corrective Action

 

 

 

One or Both

Blower fan motor overloads are

Decrease fan speed.

Blowers Turn Off

tripping and auto-resetting.

 

Intermittently and

Exhaust Only frost control

Adjust frost temperature sensor set point as needed.

Back on After

sensors are tripping.

 

About 2 Minutes

 

 

 

 

 

 

 

Air seals are too tight.

See Energy Recovery Wheel on page 17.

 

“Economizer” sensors are

Adjust temperature or enthalpy set points as needed.

Energy Wheel

operating.

 

Does NOT Turn

No power to wheel motor.

Make sure wheel drive is plugged in. Verify power is

 

 

 

available.

 

Wheel drive belt.

Check for loose or broken belts. Replace belts (consult

 

 

factory).

 

 

 

Energy Wheel

Wheel motor overloads are

Recheck air seals, make sure they are not too tight. See

tripping, due to rubbing

Energy Recovery Wheel on page 17.

Runs Intermittently

between wheel and air seals.

 

 

 

 

 

 

 

Fan wheel rubbing on inlet.

Adjust wheel and/or inlet cone. Tighten wheel hub or bearing

 

 

collars on shaft.

 

Bearings.

Replace defective bearing(s). Lubricate bearing(s). Tighten

 

 

collars and fasteners.

 

Wheel out of balance.

Replace or rebalance.

 

Loose wheel on shaft.

Tighten wheel setscrew.

 

Loose motor or blower sheave.

Tighten sheave setscrew.

Excessive Noise or

Belts too loose.

Adjust belt tension after 24 hours of operation.

Vibration

Belts too tight.

Loosen to maintain a 3/8 inch deflection per foot of span

 

 

 

between sheaves.

 

Worn belt.

Replace.

 

Motor base or blower loose.

Tighten mounting bolts.

 

Buildup of material on wheel.

Clean wheel and housing.

 

Bearing and drive misaligned.

Realign.

 

Noise being transmitted by

Make sure ductwork is supported properly. Make sure duct-

 

duct.

work metal thickness is sized for proper stiffness. Check duct

 

 

size at discharge to ensure that air velocities are not too high.

 

 

 

* Always provide the unit model and serial number when requesting parts or service information. * Always check motor amps and compare to nameplate rating.

Warranty

Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase date. The energy recovery wheel is warranted to be free from defects in material and workmanship for a period of five years from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid.

Motors are warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck prove defective during this period, they should be returned to the nearest authorized motor service station. Greenheck will not be responsible for any removal or installation costs.

As a result of our commitment to continuous improvement,

Greenheck reserves the right to change specificaions without notice.

GREENHECK

P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410

PH. 715-359-6171

www.greenheck.com

#462255 APEX IOM FS Rev. 1 March 2004

Copyright © 2004 Greenheck Fan Corp.

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Contents INSTALLATION, OPERATION, & Maintenance Manual Table of Contents StorageBasic Unit Operation InstallationLifting Recommended Roof Openings Unit Weights dry weightsRoof Curb Mounting Weatherhoods Rail MountingDampers Electrical Connections Typical Control Center ComponentsService Clearances / Access Locations Dimensional Data / Access Door DescriptionsWater Coils Coil Application RecommendationsDirect Expansion DX Coils Drain Pan Traps See page 13 for VFD on energy recovery wheelVariable Frequency Drive for Fans E7 Series by Yaskawa Testing Testing refer to FigureFrost Control Application/Operation Modulating the Wheel Optional Accessories Remote Control Panel Pre-Start Check List Unit Start-UpSpecial Tools Required Exhaust Fans Forward Curved Type Supply Fan Plenum TypeFan Performance Modifications Belt Drive Installation Fan Belt DrivesDirection of Fan Wheel Rotation Fan RPMEnergy Recovery Wheel VibrationLubrication Routine MaintenanceFan Belts Wheel & Fasteners MotorsBearings Internal Filter Maintenance External Filter MaintenanceDoor Seal Maintenance Coil Maintenance Winterizing CoilsAccessing Energy Recovery Wheel Cleaning Energy Recovery Wheel Segments Parts List Model ApexSequence of Operation Basic UnitSummer Operation Winter OperationTroubleshooting Airflow Test and Balance ReportTroubleshooting Symptom Possible Cause Corrective ActionGreenheck

APEX-200 specifications

The Greenheck Fan APEX-200 is a cutting-edge ventilation solution designed to meet the demands of modern commercial and industrial applications. Engineered with the latest technologies and featuring advanced design characteristics, the APEX-200 stands out for its efficiency, durability, and performance.

One of the prominent features of the APEX-200 is its energy-efficient operation. The unit is equipped with high-efficiency motors that not only reduce energy consumption but also provide optimal airflow, making it an ideal choice for organizations looking to lower their operational costs while maintaining superior performance. The APEX-200’s ability to operate at low sound levels adds to its appeal, allowing it to be installed in noise-sensitive environments without disturbing occupants.

The APEX-200 incorporates Greenheck's patented Aerodynamic Technology, which enhances airflow and minimizes turbulence. This technology ensures that the fan operates smoothly and efficiently, contributing to the overall effectiveness of the ventilation system. The innovative design of the fan blade and housing also plays a crucial role in maximizing performance while minimizing energy loss.

Durability is a key characteristic of the APEX-200. Constructed from high-quality materials, this fan is designed to withstand the rigors of demanding environments. The unit is also built to resist corrosion, ensuring longevity and reducing maintenance needs. This durability makes the APEX-200 suitable for a variety of applications, including manufacturing facilities, warehouses, and commercial kitchens.

Another significant aspect of the APEX-200 is its versatility. The fan is available in various sizes and configurations, allowing it to be tailored to specific project requirements. This flexibility makes it suitable for different airflow and pressure needs, ensuring optimal performance in diverse settings.

The APEX-200 also features advanced controls and monitoring capabilities. These systems can be integrated with building management systems to provide real-time data and insights into operational performance. Such features enhance user convenience and help facility managers optimize energy usage.

In conclusion, the Greenheck Fan APEX-200 is a sophisticated, reliable, and efficient solution for modern ventilation requirements. Its advanced technologies, high-efficiency operation, and durable construction make it an excellent choice for a wide range of applications, ensuring that it not only meets but exceeds the expectations of users in various industries.