Greenheck ERVi Installation, Operation And Maintenance Manual
Greenheck ERVi Installation, Operation And Maintenance Manual

Greenheck ERVi Installation, Operation And Maintenance Manual

Modular dedicated outdoor air unit

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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
DANGER
Always disconnect power before working on or near a
unit. Lock and tag the disconnect switch or breaker to
prevent accidental power up.
CAUTION
When servicing the unit, motor may be hot enough
to cause pain or injury. Allow motor to cool before
servicing.
IMPORTANT
All factory provided lifting lugs must be used when
lifting any unit. Failure to comply with this safety
precaution could result in property damage, serious
injury or death.
WARNING
Disconnect all electrical power to the fan and secure
to the "OFF" position prior to inspection or servicing.
Failure to comply with this safety precaution could
result in serious injury or death.
®
Modular Dedicated Outdoor Air Unit
Energy Recovery Technical Support
Call 1-800-240-0870 | Option 1
Energy Recovery Pre-Sale Support
Call 1-800-240-0870 | Option 3
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury
or death. Read the installation, operating and
maintenance instructions thoroughly before installing
or servicing this equipment.
FOR YOUR SAFETY
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety. Children should
be supervised to ensure that they do not play with the
appliance.
FOR YOUR SAFETY
MAXIMUN ALTITUDE: 11154 FT OR 3400 M
Modular Dedicated Outdoor Air Unit
Document 487057
Model ERVi
1

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Summary of Contents for Greenheck ERVi

  • Page 1 Document 487057 Model ERVi Modular Dedicated Outdoor Air Unit ® 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

    General Safety Information Table of Contents Unit Overview ..... 3 Only qualified personnel should install this system. Receiving, Handling and Storage ... 4 Personnel should have a clear understanding of these Model Number Code.
  • Page 3: Unit Overview

    Unit Overview Summer Operation Outdoor air is preconditioned (temperature and moisture levels are decreased) by the transfer of energy from the cooler, drier exhaust air via the energy recovery wheel. The preconditioned air is typically mixed with return air going back to the air handler for final conditioning. Room Air 75°F 50% RH...
  • Page 4: Receiving, Handling And Storage

    Receiving avoid condensation, allow cold parts to reach room temperature. Leave coverings loose to permit air This product may have been subject to road salt circulation and to allow for periodic inspection. during transit. If so, immediately wash off all visible The unit should be stored at least 3½...
  • Page 5: Model Number Code

    The model number code provides basic identification of the unit. The serial number can be used by the manufacturer’s representative or the factory to identify the specific unit configuration. The serial number of the unit must be provided when consulting the manufacturer’s representative or the factory. ERVi - 10 - HF - L Model Family Discharge...
  • Page 6: Installation

    Installation - This unit is suitable for INDOOR installation ONLY Service Clearances Handling ERVi units require minimum clearances to perform While this unit was constructed with quality and routine maintenance, such as filter replacement, energy dependability in mind, damage still may occur during wheel cassette inspection, and fan inspection.
  • Page 7: Floor Mounting

    Installation - This unit is suitable for INDOOR installation ONLY Installation of Electrical Wiring Hanging Instructions The unit should be hung by the factory supplied WARNING mounting brackets.  The mounting brackets can be To prevent injury or death due to electrocution or attached to the top or bottom of the unit.
  • Page 8: Typical Control Center Components

    Installation - This unit is suitable for INDOOR installation ONLY Typical Control Center Components 1. Determine the Size of the Main Power Lines. The unit’s nameplate states the voltage and the unit’s 1. Microprocessor Controller MCA. The main power lines to the unit should be 2.
  • Page 9: Optional Component Overview

    Optional Component Overview Exhaust only operation: The unit will have the Electric Heater capability to receive an external signal to power the Factory installed electric heaters can be provided for supply fan on/off. preheat frost control. An electric preheater warms Frost Control the outdoor air prior to the energy recovery device to prevent frosting.
  • Page 10: Rotation Sensor

    Optional Component Overview Rotation Sensor The rotation sensor monitors energy wheel rotation. If the wheel should stop rotating, the sensor will close a set of contacts in the unit control center. Dirty Filter Sensor Dirty filter sensors monitor pressure drop across the outdoor air filters, exhaust air filters, or both.
  • Page 11: Pre Start-Up Check

    Qualified personnel should perform start-up to ensure safe and proper practices are followed. Unit Model Number _______________________________ (e.g. ERVi-20) Unit Serial Number _______________________________ (e.g. 10111000) Energy Wheel Date Code ___________________________ (e.g. 0450)
  • Page 12: Start-Up Components

    Inlet component to the other. Cone Energy Recovery Wheel Tolerance The ERVi model that contain a total energy recovery Housing Offset (inches) (inches) wheel are inspected for proper mechanical operation at the factory. However, during shipping and handling, ± 1/32 shifting can occur that may affect wheel operation.
  • Page 13: Drive Belt

    Start-Up Components Optional Start-Up Component Dirty Filter Switch Drive Belt To adjust the switch, the unit must be running with Inspect the drive belt. Make sure the belt rides smoothly all of the access doors in place, except for the through the pulley and over the wheel rim.
  • Page 14: Start-Up

    Start-Up Routine Maintenance SPECIAL TOOLS REQUIRED DANGER Electric shock hazard. Can cause injury or death. • Voltage Meter (with wire probes) Before attempting to perform any service or • Amperage Meter maintenance, turn the electrical power to unit to OFF •...
  • Page 15: Internal Filter Maintenance

    Routine Maintenance Dampers Pleated Filter Size and Quantities Check all dampers to ensure they open and close Supply Exhaust properly and without binding. Backdraft dampers Housing Size Size can be checked by hand to determine if blades open 16 x 16 16 x 16 and close freely.
  • Page 16 If a belt requires replacement, contact Wheel Belt & Pulley the local Greenheck representative. Instructions for replacement will ship with the new belt. Energy Recovery Wheel Bearing In the unlikely event that...
  • Page 17: Troubleshooting - Unit

    Troubleshooting – Unit Symptom Possible Cause Corrective Action Replace fuse or reset circuit breaker and check Blown fuse or open circuit breaker. amps. Defective motor Replace. Blower fails to operate Motor overloaded. “See below” Check for On/Off switches. Check for correct Electrical.
  • Page 18: 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 19 This page is intentionally left blank for printing purposes Modular Dedicated Outdoor Air Unit ®...
  • Page 20: 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.

This manual is also suitable for:

Ervi-10Ervi-20

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