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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 these instructions will result in voiding of the product warranty and may 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
Energy Recovery Technical Support
Call 1-800-240-0870
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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Table of Contents
Related Manuals for Greenheck MiniVent Series
Summary of Contents for Greenheck MiniVent Series
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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 these instructions will result in voiding of the product warranty and may result in personal injury and/or property damage. -
Page 2: Table Of Contents
Table of Contents Unit Overview General Safety Information ..... . 1 Summer Operation Unit Overview ....... . 2 Outdoor air is preconditioned (temperature and moisture Receiving, Handling, Storage . -
Page 3: Receiving, Handling, Storage
Receiving The unit should be stored at least 3½ in. (89 mm) off the floor. Clearance should be provided to permit air This product may have been subject to road salt circulation and space for inspection. during transit. If so, immediately wash off all visible Outdoor white reside from all exterior surfaces. -
Page 4: Dimensional Data And Weights
Dimensional Data and Weights Service Clearances and Access Panel Locations Discharge Side "B" Intake Recommended Service Clearances Side "A" Intake The MiniVent requires minimum clearances to perform Side "B" Discharge routine maintenance, such as filter replacement, energy Energy Wheel Side "A" wheel cassette and fan inspection. -
Page 5: Intake And Discharge Locations
Intake and Discharge Locations motor/blower will interfere with the energy recovery wheel. The blower adjacent to the control center needs Intake and discharge locations are shown. Both intake to be rotated 90°. The blower not adjacent to the control locations are capable of being field relocated to suit center needs to be flipped and rotated such that the installation needs (see optional locations). -
Page 6: Installation
Installation The system design and installation should follow 3/8-inch threaded rod, accepted industry practice, such as described in the provided by others ASHRAE Handbook and SMACNA. Small flat washer Minimum service clearance should be provided on Big flat washer the side of the unit for routine service and component Isolator removal should it become necessary. - Page 7 POOR GOOD POOR GOOD Base Mounting with Ductwork Connections Base Vibration Isolation Examples of poor and good fan-to-duct connections are shown. Airflow out of the fan should • The base isolators kit includes four (4) isolators, be directed straight or curve the four (4) brackets and required hardware.
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Page 8: Electrical Connections
Electrical Connections Frost Control Extremely cold outdoor air temperatures can cause Before connecting power to the unit, read and moisture condensation and frosting on the energy understand the following instructions and wiring recovery wheel. Frost control is an optional feature that diagrams. -
Page 9: 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 MAIN UNIT REMOTE PANEL... -
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 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 System Start-Up - continued To adjust the air volume, change the fan rpm or the system static pressure. See Troubleshooting section in this guide. General With all access panels on the unit, compare measured Check all fasteners and set screws for tightness. This is amps to the motor nameplate full load amps and correct especially important for bearings and fan wheels Also, if overamping.
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Page 13: Routine Maintenance
Routine Maintenance Accessing the Energy Recovery Wheel Disconnect power to the MiniVent. Remove access panel labeled “Energy Wheel Cassette Access”. Unplug WARNING the wheel drive motor. Pull the cassette halfway out. Disconnect all electrical power to the MiniVent prior Removing the Energy Recovery Wheel to inspection or servicing. -
Page 14: Standard Components
Standard Components Vari-Green® Electronically Commutated Motor Features • Soft Start – All motors feature soft-start technology which eliminates inrush current at start-up. The motors will reliably start at any speed setting. • Overload Protection – If the motor becomes overloaded, it will automatically reduce its speed until it is no longer overloaded. -
Page 15: 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 16: Maintenance Log
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.