Greenheck MiniVent Installation, Operation And Maintenance Manual

Energy recovery ventilator

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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 instructions could result in personal injury and/or property damage!

General Safety Information

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.
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.
®
Energy recovery wheels are certified by the AHRI Air-to-Air Energy Recovery Ventilation Equipment Certification
Program in accordance with AHRI Standard 1060. Actual performance in packaged equipment may vary.
Certified Ratings are available in the Certified Product Directory at www.ahridirectory.org
Energy Recovery Ventilator
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 affects 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.
Document 459023
Model MiniVent
Energy Recovery Ventilator
1

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Summary of Contents for Greenheck MiniVent

  • Page 1: General Safety Information

    Document 459023 Model MiniVent Energy Recovery Ventilator ® 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 instructions could result in personal injury and/or property damage! Energy recovery wheels are certified by the AHRI Air-to-Air Energy Recovery Ventilation Equipment Certification...
  • Page 2 Any physical damage to the unit after acceptance is not water from leaking into the unit. The unit should be the responsibility of Greenheck Fan Corporation. elevated on an adequate number of wooden blocks so that it is above water and snow levels and has enough Unpacking blocking to prevent it from settling into soft ground.
  • Page 3: Table Of Contents

    FRONT VIEW DISCHARGE SIDE "B" INTAKE SIDE "B" BACK VIEW MiniVent D 10 8 12 6 4.3 1.4 6 1.5 6 1 4.8 3.4 10 10 18 7 4 2.2 5.1 1.5 5.1 1.1 4 1.5 All dimensions are in inches.
  • Page 4: Service Clearances And Access Panel Locations

    field relocated to suit Recommended Service Clearances installation needs (see optional locations). The MiniVent requires minimum clearances to perform Intake Side “A” (optional) routine maintenance, such as filter replacement, energy wheel cassette and fan inspection. Fan and motor...
  • Page 5: Hang Mounting With Hanging Vibration Isolators

    Isolators • The hanging isolator kit includes four (4) isolators Hanging Vibration Isolator Assembly and required hardware. MiniVent-450 • Locate the support rods as shown in the drawing. • Assemble each isolator as shown. 1/2-inch threaded rod, provided by others...
  • Page 6: Base Mounting With Base Vibration Isolators

    (4) brackets and required hardware. rotates. Poor duct installation will result in low airflow, • Rotate the MiniVent 180 degrees, so the electrical loud noise and excessive vibrations. and fan component panel is accessible from the top.
  • Page 7: Electrical Connections

    2. The main power line should be connected to the appropriate terminal blocks. Power may be routed to the MiniVent through the opening on the underside of the unit. The locations for the opening are provided in the figure to the right.
  • Page 8: Wiring Schematics

    Wiring Schematics Timed Exhaust Frost Control GROUND VIOLET FIELD TO CONNECT TO TERMINAL DESIGNATED WITH UNIT LINE VOLTAGE CONNECT TERMINAL 15 ORANGE FROM COMPONENT "T1" WITH LINE VOLTAGE BLACK 115/208/230V PRIMARY 24V SECONDARY FIELD MOUNT IN OUTDOOR AIR DUCT A OR B SEE NOTE #3 REMOTE PANEL MAIN UNIT INTERNAL JUNCTION BOX...
  • Page 9 Wiring Schematics 0-10 VDC Fan Motor Control (VERIFY MAIN UNIT POWER ON UNIT NAMEPLATE) MAIN UNIT POWER -110/50/1-115/60/1 L2 (NEUTRAL) GROUND BLACK ENERGY WHEEL MOTOR BLACK BLACK 24 VAC WHITE 0-10VDC SEE NOTE#1 BLOWER MOTOR A SEE NOTE#2 BLACK WHITE BLACK 24 VAC WHITE...
  • Page 10: System Start-Up

    System Start-Up Every installation requires a comprehensive start-up DANGER to ensure proper operation of the unit. As part of that Electric shock hazard. Can cause injury or death. process, the following checklist must be completed and Before attempting to perform any service or information recorded.
  • Page 11: Unit Start-Up Checklist

    Start-Up Checklist Line Voltage. Check at unit disconnect. L1-L2 Volts Motor Amp Draw Supply Motor Amps Amps Amps Exhaust Motor Amps Amps Amps Fan RPM Supply Fan RPM Exhaust Fan RPM Correct fan rotation direction? Supply Fan Yes / No Exhaust Fan Yes / No Energy Wheel Motor...
  • Page 12: General

    Before starting the unit compare the supplied voltage measurement leads through the provided electrical with the unit’s nameplate voltage and the motor voltage. access hole in the bottom access panel of the MiniVent. Energy Recovery Wheel Measure and record the input voltage and motor First, follow the instructions for pulling the energy amperage(s).
  • Page 13: Removal Of Dust And Dirt

    The energy wheel serial number and date code are located on a label above the drive pulley on Accessing the Energy Recovery Wheel Disconnect power to the MiniVent. Remove access the energy wheel cassette. panel labeled “Energy Wheel Cassette Access”. Unplug the wheel drive motor.
  • Page 14: Troubleshooting

    Troubleshooting Symptom Possible Cause Corrective Action Check fuses/circuit breakers, replace if needed. Check Electrical for On/Off switches. Check for correct supply voltage. Unit is NOT operating Check motor horsepower is correct and not tripping Motor overloads. Adjust wheel and/or inlet cone. Tighten wheel hub or Fan wheel rubbing on inlet bearing collars on shaft.
  • Page 15: Optional Vari-Green ® Ec Motors

    ® Optional Vari-Green Electronically Commutated (EC) Motor Features Operation and Wiring Speed control - These motors can be controlled by either the dial on These motors can be the motor or a 0-10 VDC signal for remote control. The controlled by either the motor will be supplied from the factory with the correct dial on the motor or accessory depending on what control option was...
  • Page 16: Maintenance Log

    _________________________________________________ _________________________________________________ Our Commitment As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice. Specific Greenheck product warranties are located on greenheck.com within the product area tabs. Greenheck’s Energy Recovery Ventilators catalog, Models...

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