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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 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 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 479677
Model MiniCore
Energy Core Ventilator
Energy Core Ventilator
1
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Table of Contents
Related Manuals for Greenheck MiniCore Series
Summary of Contents for Greenheck MiniCore Series
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Page 1: General Safety Information
Document 479677 Model MiniCore Energy Core 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 INLET Recommended Service Clearances The MiniCore requires minimum clearances to perform DISCHARGE CORE routine maintenance, such as filter replacement, energy core cleaning and fan inspection. Fan and motor assemblies, energy recovery MiniCore Inches core, and filter sections... -
Page 5: Intake And Discharge Locations
Intake and Discharge Locations Changing the Inlet Location 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 6: Installation
Installation Hang Mounting with Hanging Vibration Isolators IMPORTANT • The hanging isolator kit includes four (4) isolators and required hardware. The MiniCore unit can be hung in any orientation. • Locate the support rods as shown in the drawing. The installation contractor is responsible for safely mounting the unit to provide appropriate removal or •... - Page 7 POOR GOOD POOR GOOD Ductwork Connections Base Mounting with Base Vibration Isolators Examples of poor and good fan-to-duct connections • The base isolators kit includes four (4) isolators, are shown. Airflow out of the fan should four (4) brackets and required hardware. be directed straight or curve the same direction as the •...
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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 core. 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 Pre-Start-Up Checklist o Disconnect and lock-out all power switches DANGER o Remove any foreign objects that are located in the energy recovery unit. Electric shock hazard. Can cause injury or death. o Check all fasteners, set-screws, and locking collars Before attempting to perform any service or on the fans, bearings, drives, motor bases and maintenance, turn the electrical power to unit to OFF... - Page 11 General Check all fasteners and set screws for tightness. This is especially important for bearings and fan wheels. Also, if dampers are not motorized, check that they open and close without binding. Check Voltage Before starting the unit compare the supplied voltage with the unit’s nameplate voltage and the motor voltage.
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Page 12: Routine Maintenance
Routine Maintenance Internal Filter Maintenance Opening the access panel provides access to the two WARNING inch deep, pleated MERV 8 (30% efficient) filters. These filters should be checked regularly, cleaned, or replaced Disconnect all electrical power to the MiniCore prior as needed. -
Page 13: 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 14: 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 15: Maintenance Log
Maintenance Log Date ___________________Time _____________ AM/PM Date ___________________Time _____________ AM/PM Notes: ___________________________________________ Notes: ___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM/PM Date ___________________Time _____________ AM/PM Notes: ___________________________________________ Notes: ___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM/PM... -
Page 16: Our Commitment
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.