Greenheck ECV Series Installation, Operation And Maintenance Manual Download Page 24

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480955 • ECV, Rev. 10, December 2020

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.

Greenheck catalog, Energy Core Ventilators, Model MiniCore

and ECV, provides additional information describing the

equipment, fan performance, available accessories, and

specification data.

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

Our Commitment

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.

Summary of Contents for ECV Series

Page 1: ...plicable 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...

Page 2: ...contactor in the air handler closes to start the unit Summer Operation Outdoor air is preconditioned temperature and moisture levels are decreased by the transfer of energy from the cooler drier retu...

Page 3: ...nt 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 t...

Page 4: ...AIR INTAKE OUTDOOR AIR INTAKE A B C EXHAUST AIR DISCHARGE SUPPLY AIR DISCHARGE NON ELECTRICAL SIDE D G E F Top and Bottom Connections Top and End Connections OUTDOOR AIR INLET A B C EXHAUST AIR DISCH...

Page 5: ...Discharge End Recommended Minimum Recommended Minimum Weatherhood Yes Weatherhood No Weatherhood Yes Weatherhood No ECV 10 30 20 30 No Access Required 33 No Access Required 24 No Access Required ECV...

Page 6: ...r replacement and maintenance Sufficient space should be provided on the side of the unit for routine service and component removal should that become necessary Lifting WARNING All factory provided li...

Page 7: ...et the Unit Lift unit to a point directly above the curb and duct openings Guide unit while lowering to align with duct openings Roof curbs fit inside the unit base Make sure the unit is properly seat...

Page 8: ...52 x 16 6 Recommended duct sizes are based on velocities across the cfm range of each model at approximately 800 feet per minute FPM at minimum airflow and up to 1600 fpm at maximum airflow Recommende...

Page 9: ...em Voltage Supply See voltage use range on the rating plate Measure and record each supply leg voltage at all line disconnect switches Readings must fall within the allowable range on the rating plate...

Page 10: ...to switch Dirty filter light Economizer light Frost control light On Off Auto Switch Indictor Light Wiring Typical Control Center Components 1 Main Disconnect nonfusible lockable 2 Motor Starter Exhau...

Page 11: ...VG reference unit wiring diagram ST2 M1 WHITE T1 T3 SUPPLY FAN MOTOR 15 16 0 10VDC BLACK POT BLACK 2CBL M1 RED RED CLOSED 115 120V OPEN 208 230 277V M2 EXHAUST FAN MOTOR 17 18 0 10VDC POT BLACK RED RE...

Page 12: ...ature and enable the preheater if required If the temperature falls below the set point the electric preheater will turn on Access to the electric preheat is through the outdoor air filter access door...

Page 13: ...Unit Serial Number ________________________________ e g 04C99999 or 10111000 Start Up Date ________________________________ Start Up Personnel Name___________________________ Start Up Company ________...

Page 14: ...thermostat 36 F Differential 2 F Timer Refer to page 17 Economizer Application Operation section Yes No Economizer temperature Set point 65 F Offset 20 F Differential 2 F Yes No Economizer enthalpy S...

Page 15: ...AUTION When operating conditions of the fan are to be changed speed pressure temperature etc consult Greenheck to determine if the unit can operate safely at the new conditions Direction of Fan Wheel...

Page 16: ...CHANGE STORED displays 9 Press enter to return the current menu parameter 10 Press escape to return to the current menu parameter When values are displayed pressing and holding the or button causes t...

Page 17: ...PPM CO2 Variable Frequency Drive The ECV 20 and ECV 30 are wired to the Variable Frequency Drive VFD Refer to the Variable Frequency Drive section for control sequence and programming Timer Scale Time...

Page 18: ...ctory set points refer to Yaskawa VFD instruction manual which can be found online at www drives com MAMBMC RP H1 SC HC S7 S6 S5 S4 S3 S2 S1 MP AC AM AC V A2 A1 PC P2 P1 IG S S R R V1000 MAMBMC AC AM...

Page 19: ...er rectangular panel This will allow access to the supply blower that is located on the control side of the housing Replace panel after service reinstall core support that was removed then reinstall c...

Page 20: ...power to the unit Remove access panel Removing the energy recovery core Once the energy core access doors are removed the core can be pulled from the housing To replace the core reverse the procedure...

Page 21: ...consult the factory Clearing Alarms Once the alarm has been identified and the cause has been removed e g replaced faulty sensor the alarm can be cleared from the display To clear an alarm perform the...

Page 22: ...w prior to contacting the factory please determine the following information Airflow problems can often be tied back to improper ductwork installation Be sure to install ductwork in accordance with SM...

Page 23: ...power too low See specifications and catalog for fan curves to determine if horsepower is sufficient Shorted windings in motor Replace motor Low airflow cfm Unit damper not fully open Adjust damper li...

Page 24: ...Resources Library Literature Greenheck catalog Energy Core Ventilators Model MiniCore and ECV provides additional information describing the equipment fan performance available accessories and specif...

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