Table of Contents
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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 cores 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 479677
Model MiniCore
1
MiniCore
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Summary of Contents for Greenheck MiniCore 5
- Page 1 Document 479677 Energy Recovery Ventilator Model MiniCore ® 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 cores are certified by the AHRI Air-to-Air Energy Recovery Ventilation Equipment Certification Program in accordance with AHRI Standard 1060.
- Page 2 The unit should be stored at least 3½ in. (89 mm) off the Receiving floor on wooden blocks covered with moisture proof Upon receiving the product, check to ensure all items paper or polyethylene sheathing. Aisles between parts are accounted for by referencing the delivery receipt or and along all walls should be provided to permit air packing list.
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Page 3: Table Of Contents
Table of Contents Dimensional Data and Weights Dimensional Data and Weights ... . 3 Changing the Inlet Location ....4 Changing the Discharge Location . -
Page 4: Changing The Inlet Location
Configurable Discharge & Intake Changing the Inlet Location Locations Step 1 Remove the metal cover for optional inlet location by unfastening the four (4) sheet metal screws The MiniCore comes standard with end connections. holding it in place. The option for configurable intake and discharge Step 2 - Hand bend flanges out to form a duct collar in connections (shaded in below drawing) are available the newly uncovered intake opening. -
Page 5: Installation
Installation The system design and installation should follow Base Mounting accepted industry practices, such as described in the with Base Vibration Isolation ASHRAE Handbook and SMACNA. • The base isolators kit includes four (4) isolators, Minimum service clearance should be provided on four (4) brackets and required hardware. -
Page 6: Duct Connections
Duct Connections Unit Wiring Sequence Examples of good and poor fan-to-duct connections are 1. The unit’s nameplate contains the voltage and total shown below. Airflow out of the fan should be directed amperage required. The wire supplying power to the straight or curve the same direction as the fan wheel unit should be sized accordingly. -
Page 7: 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 MAIN UNIT REMOTE PANEL INTERNAL JUNCTION BOX... -
Page 8: System Start-Up
Every installation requires a comprehensive start-up System Start-Up to ensure proper operation of the unit. As part of that process, the following checklist must be completed and DANGER information recorded. Starting up the unit in accordance Electric shock hazard. Can cause injury or death. with this checklist will not only ensure proper operation, Before attempting to perform any service or but will also provide valuable information to personnel... -
Page 9: General
General Routine Maintenance Check all fasteners and set screws for tightness. This is WARNING especially important for bearings and fan wheels Also, if dampers are not motorized, check that they open and Disconnect all electrical power to the MiniCore prior close without binding. -
Page 10: Energy Core
Energy Core Optional EC Motor Annual inspection of the energy recovery core is Features recommended. MiniCore units ventilating smoking Soft start – All motors lounges and other non-clean air spaces should have feature soft-start energy recovery core inspections more often based technology which upon needs. -
Page 11: Troubleshooting
Troubleshooting Symptom Possible Cause Corrective Action Check fuses/circuit breakers, replace if needed. Check for On/ Electrical Unit is NOT Off switches. Check for correct supply voltage. operating Motor Check motor horsepower is correct and not tripping overloads. Adjust wheel and/or inlet cone. Tighten wheel hub or bearing Fan wheel rubbing on inlet collars on shaft. -
Page 12: 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 can be located on greenheck.com within the product area tabs and in the Library under Warranties.
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