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Greenheck ECV Series - User Manual

Greenheck ECV Series
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®
Document 480955
Model ECV
Energy Core Ventilator
Energy Core Ventilator 1
®
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 these instructions will result in voiding of the product warranty and may result in personal injury
and/or property damage.
Energy Recovery & Make-Up Air Technical Support
Call 1-800-240-0870, press 1 for Service
Only qualified personnel should install this system.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards. Other
considerations may be required if high winds or seismic
activity are present. If more information is needed,
contact a licensed professional engineer before moving
forward.
1. Follow all local electrical and safety codes, as well as
the National Electrical Code (NEC), the National Fire
Protection Agency (NFPA), where applicable. Follow
the Canadian Electrical Code (CEC) in Canada.
2. All moving parts must be free to rotate without
striking or rubbing any stationary objects.
3. Unit must be securely and adequately grounded.
4. Do not spin fan wheel faster than maximum
cataloged fan RPM. Adjustments to fan speed
significantly effects motor load. If the fan RPM is
changed, the motor current should be checked to
make sure it is not exceeding the motor nameplate
amps.
5. Do not allow the power cable to kink or come in
contact with oil, grease, hot surfaces or chemicals.
Replace cord immediately if damaged.
6. Verify that the power source is compatible with the
equipment.
7. Never open access doors to the unit while it is
running.
General Safety Information
DANGER
Always disconnect power before working on or near
this equipment. Lock and tag the disconnect switch or
breaker to prevent accidental power up.
CAUTION
When servicing the unit, the internal components may
be hot enough to cause pain or injury. Allow time for
cooling before servicing.
CAUTION
Precaution should be taken in explosive atmospheres.

Table of Contents

Questions and Answers

  • K
    Kayla SmithAug 19, 2025
    Why does my Greenheck ECV blower fail to operate?
    • F
      Francisco PonceAug 19, 2025
      If the blower on your Greenheck Fan isn't operating, several issues could be the cause. A blown fuse or open circuit breaker is a common problem, so replace the fuse or reset the circuit breaker and check the amps. A defective motor or capacitor could also be the reason, requiring replacement. Other potential causes include a motor starter overload (reset the starter and check the amps), electrical issues (check for On/Off switches and correct supply voltage), or drive problems (check for broken or loose belts and tighten loose pulleys).
  • M
    Michael MillsAug 21, 2025
    What to do if the Greenheck Fan blower fails to operate?
    • T
      Timothy OrtizAug 21, 2025
      If the Greenheck Fan blower isn't working, there are several things to check: * **Blown fuse or open circuit breaker:** Replace the fuse or reset the circuit breaker, and check the amps. * **Defective motor or capacitor:** Replace the defective component. * **Motor starter overloaded:** Reset the starter and check the amps. * **Electrical issues:** Check for On/Off switches and verify the correct supply voltage.
  • K
    Kimberly DavisAug 23, 2025
    How to reduce excessive noise or vibration in my Greenheck ECV Fan?
    • E
      Emily ButlerAug 23, 2025
      If your Greenheck Fan is producing excessive noise or vibration, try the following: * **Fan wheel rubbing on inlet:** Adjust the wheel and/or inlet cone and tighten the wheel hub on the shaft. * **Loose motor base or blower:** Tighten the mounting bolts. * **Noise transmitted by duct:** Ensure the ductwork is properly supported, the metal thickness is adequate, and the air velocities are not too high.
  • K
    kristen32Aug 26, 2025
    What to do if my Greenheck Fan has low airflow (cfm)?
    • S
      Sandra WatsonAug 26, 2025
      If you're experiencing low airflow (CFM) with your Greenheck Fan, here's what to check: * **Unit damper not fully open:** Adjust the damper linkage or replace the damper motor. * **System static pressure too high:** Improve ductwork to reduce losses. * **Fan wheels operating backwards:** Consult the Unit Start-Up section for instructions on Direction of Fan Wheel Rotation (for 3-phase systems). * **Dirty filter or energy core:** Follow cleaning procedures in the Routine Maintenance section. * **Leaks in ductwork:** Repair any leaks. * **Elbows or obstructions obstructing fan outlet:** Correct or improve the ductwork.
  • B
    bryankyleAug 28, 2025
    Why is there low airflow (CFM) in my Greenheck ECV Fan?
    • P
      Paula ThomasAug 28, 2025
      Low airflow in your Greenheck Fan can stem from several causes. The unit damper might not be fully open, in which case you should adjust the damper linkage or replace the damper motor. High system static pressure can also be a culprit, so improving ductwork to eliminate losses is recommended. Other potential causes include a blower speed that's too low (check for correct drives and RPM with catalog data), fan wheels operating backwards (consult the Unit Start-Up section for 3-phase systems), a dirty filter or energy core (follow cleaning procedures in the Routine Maintenance section), leaks in the ductwork (repair them), obstructions at the fan outlet (correct or improve ductwork), or belt slippage (adjust belt tension).
  • T
    Taylor DavisAug 30, 2025
    Why is my Greenheck ECV motor over amping?
    • D
      Devin LopezAug 30, 2025
      If your Greenheck Fan motor is over amping, consider these potential causes and solutions: * **CFM too high:** Verify and adjust the CFM. * **Static pressures higher or lower than design:** Improve ductwork if pressures are too high, or lower fan RPM if pressures are too low. * **Incorrect blower rotation:** Check and reverse the rotation if necessary. * **Incorrect motor voltage:** Compare the motor nameplate voltage with the supplied voltage. * **Motor horsepower too low:** Refer to the specifications and catalog for fan curves to determine if the horsepower is sufficient. * **Shorted windings in motor:** Replace the motor.
  • M
    mclaughlinlouisSep 1, 2025
    Why does my Greenheck Fan have high airflow (cfm)?
    • O
      owatsonSep 1, 2025
      If your Greenheck Fan has high airflow (CFM), consider the following: * **Blower fan speed too high:** Check and decrease the fan RPM if necessary. * **Filter(s) not in place:** Install filters. * **Insufficient static pressure (Ps):** Induce Ps into the system ductwork, ensure grilles and access doors are installed, and decrease fan speed if necessary.
  • J
    Jeremy PhillipsSep 3, 2025
    Why do the motor starters “chatter” or not pull in on my Greenheck ECV Fan?
    • F
      frankgarciaSep 3, 2025
      If the motor starters on your Greenheck Fan “chatter” or don't pull in, it could be due to: * **Control power wiring too long:** Shorten the wiring run or install a relay. Consult the factory for relay information. The resistance should not exceed 0.75 ohms. * **Incoming supply power too low:** Increase the supply power or use a special control transformer sized for the actual supply power. The voltage supplied to the starter coil must be within +10% / -15% of the nominal voltage stated on the coil.
  • S
    Shaun BranchSep 5, 2025
    What to do if alarms signify a faulty sensor on my Greenheck ECV?
    • D
      Donna WilliamsSep 6, 2025
      Alarms on the Greenheck Fan signify a faulty sensor. Verify that all connections to the sensor and controller are secure. Press enter twice to clear the alarm. If the issue continues, consult the factory.
  • A
    Alexandra OchoaSep 7, 2025
    What to do if my Greenheck ECV Fan motor over amps?
    • A
      Anthony PattersonSep 7, 2025
      If your Greenheck Fan motor is over amping, several factors could be responsible. The CFM might be too high, so check and adjust the drives if needed. Static pressures could be higher or lower than the design specifications; improve ductwork if higher, or lower the fan RPM if lower. Also, check the blower rotation and reverse it if incorrect. Other potential causes include incorrect motor voltage (check the motor nameplate versus supplied voltage), insufficient motor horsepower (consult specifications and catalog for fan curves), or shorted windings in the motor (replace the motor).

Greenheck ECV Series Specifications

General IconGeneral
BrandGreenheck
ModelECV Series
CategoryFan
LanguageEnglish

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