Greenheck ECV Installation, Operation And Maintenance Manual Download Page 16

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479677 • MiniCore, Rev. 9, April 2020

Greenheck’s Energy Core Ventilators, Model MiniCore and

ECV catalog

provides additional information describing the

equipment, fan performance, available accessories, and

specification data.

AMCA Publication 410-96, Safety Practices for Users and

Installers of Industrial and Commercial Fans, provides

additional safety information. This publication can be

obtained from AMCA International, Inc. at www.amca.org.

Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: [email protected] • Website: www.greenheck.com

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.

Our Commitment

Summary of Contents for ECV

Page 1: ... 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...

Page 2: ...ergy recovery core The preconditioned air is typically mixed with return air going back to the air handler for final conditioning Table of Contents General Safety Information 1 Unit Overview 2 Receiving Handling Storage 3 Dimensional Data and Weights 4 Service Clearances and Access Panel Locations 4 Intake and Discharge Locations 5 Installation 6 Electrical Connections 8 Wiring Schematics 9 System...

Page 3: ...ent condensation Remove any accumulations of dirt water ice or snow and wipe dry before moving to indoor storage To avoid condensation allow cold parts to reach room temperature Leave coverings loose to permit air circulation and to allow for periodic inspection The unit should be stored at least 3 in 89 mm off the floor Clearance should be provided to permit air circulation and space for inspecti...

Page 4: ...ecome necessary If the MiniCore unit is to be mounted on its side Reference the Mounting Options sections of this IOM then service clearance should be on the electrical input side Access Panel Locations Outdoor and exhaust fans and motor Electrical connection Energy core and internal filters Energy Core and Filter Access Panel Service Clearance Electrical Access Panel Energy Core and Filter Access...

Page 5: ...ic plugs in the holes where the bolts were removed from in Step 6 Step 8 Position the blowers to line up with the desired discharge location The motor needs to be on the discharge end of the blower and unit If the motor is positioned on the return side of the blower unit the motor blower will interfere with the energy recovery core The blower adjacent to the control center needs to be rotated 90 T...

Page 6: ...nging Vibration Isolator Assembly Side Discharge End Installation IMPORTANT The MiniCore unit can be hung in any orientation The installation contractor is responsible for safely mounting the unit to provide appropriate removal or access to the panels and unit components The system design and installation should follow accepted industry practices such as described in the ASHRAE Handbook and SMACNA...

Page 7: ... Fan Wheel Dia 1 Fan Wheel Dia R o tation R o tation Length of Straight Duct GOOD POOR GOOD POOR GOOD POOR Turning Vanes SYSTEM EFFECT FACTOR CURVES FPM X 100 OUTLET VELOCITY 0 5 10 15 20 25 30 35 40 45 1 2 1 0 0 8 0 6 0 4 0 2 0 0 STATIC PRESSURE LOSS CURVE 1 CURVE 2 CURVE 3 CURVE 4 Ductwork Connections Examples of poor and good fan to duct connections are shown Airflow out of the fan should be di...

Page 8: ...DANGER High voltage electrical input is required for this equipment This work should be performed by a qualified electrician Frost Control Extremely cold outdoor air temperatures can cause moisture condensation and frosting on the energy recovery core Frost control is an optional feature that will prevent control core frosting 1 Timed exhaust frost control This option is provided with a thermodisc...

Page 9: ...DC SEE NOTE 2 BLACK BLACK WHITE POT A SEE NOTE 1 BLACK RED RED CLOSED 115 120V OPEN 208 230 277 2CBL MA 2CBL MA L2 L1 MB B B BLOWER MOTOR B ORANGE RED BLACK 0 10VDC SEE NOTE 2 BLACK BLACK WHITE POT B SEE NOTE 1 BLACK RED RED CLOSED 115 120V OPEN 208 230 277 2CBL MB 2CBL MB B SEE NOTE 3 A SEE NOTE 3 VERIFY BLOWER MOTOR VOLTAGE MATCHES LINE VOLTAGE 110 120V 50 60HZ 208 230 277V 50 60HZ NOTE 1 Potent...

Page 10: ...l No ___________________________________ Unit Serial No _____________________________________ Start Up Date ____________________________________ Start Up Personnel Name __________________________ Start Up Company_________________________________ Phone Number____________________________________ Pre Start Up Checklist o Disconnect and lock out all power switches o Remove any foreign objects that are...

Page 11: ...ed and compared with its rated air volume The unit is directly driven therefore balancing dampers or speed controls are required for airflow balancing Air volume measurement must be conducted with access doors on the unit The most accurate way to measure the air volume is by using the pitot traverse method in the ductwork away from the blower Other methods can be used but should be proven and accu...

Page 12: ...e detergents and cleaners on the core This will result in a damaged core WARNING Disconnect all electrical power to the MiniCore prior to inspection or servicing Failure to comply with this safety precaution could result in serious injury or death Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and mainten...

Page 13: ...e motor will still not rotate the motor will not attempt to start again until power is cycled Thermal Protection The motors will have an internal thermal protection which electronically regulates the RPM limit until an acceptable temperature is met Operation and Wiring These motors have the ability to accept a plug in potentiometer for speed adjustment AND the ability to accept a 0 10V signal for ...

Page 14: ...ings Tighten collars and fasteners Wheel out of balance Clean replace or rebalance Low airflow cfm Fan speed too low Increase fan speed Dirty filters or energy core Replace filters and or follow the cleaning procedures High static pressure Incorrect fan to duct connections Make sure dampers open appropriately Increase fan speed High airflow cfm Fan speed too high Decrease fan speed Low static pres...

Page 15: ..._____________________ _________________________________________________ _________________________________________________ Date____________________Time______________ AM PM Notes ____________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ____________________________...

Page 16: ...al Fans provides additional safety information This publication can be obtained from AMCA International Inc at www amca org Phone 715 359 6171 Fax 715 355 2399 Parts 800 355 5354 E mail gfcinfo greenheck com Website www greenheck com 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...

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