Greenheck ERV-521 - User Manual

GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
ENERGY RECOVERY VENTILATORS
Models ERV-251, 361, 521, 581, 522 & 582
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
**WARNING**
DISCONNECT ALL ELECTRICAL POWER TO THE ERV PRIOR TO INSPECTION OR SERVICING BY
SECURING THE MAIN DISCONNECT SWITCH TO THE "OFF" POSITION. FAILURE TO COMPLY WITH THIS
SAFETY PRECAUTION COULD RESULT IN SERIOUS INJURY OR DEATH.
**IMPORTANT**
ALL FACTORY PROVIDED LIFTING LUGS MUST BE USED WHEN LIFTING ANY ERV.
FAILURE TO COMPLY WITH THIS SAFETY PRECAUTION COULD RESULT IN PROPERTY
DAMAGE, SERIOUS INJURY OR DEATH.
PART #455924
READ AND SAVE THESE INSTRUCTIONS

Summary

Lifting Procedures

Installation Details

Electrical Connection Guidelines

Instructions for safely connecting electrical power to the unit, adhering to codes.

ERV Unit Wiring Sequence

Step-by-step process for wiring the ERV unit, including control center components.

Service Clearances

Clearances for ERV-251 to 581

Clearances for ERV-522 and 582

System Startup Procedures

Energy Recovery Wheel Startup

Procedures for checking the energy recovery wheel operation, seals, and drive belt.

Blower and Airflow Performance

Verifying blower rotation, air volume (cfm), and motor performance (voltage, amperage).

Optional Component Settings

Routine Maintenance

Belts, Fasteners, and Cleaning

Filter Maintenance Procedures

Energy Recovery Wheel Maintenance

Accessing the ERV Wheel

Steps to access the energy recovery wheel cassette for inspection and service.

ERV Wheel Removal and Cleaning

Procedures for removing, cleaning, and reinstalling energy recovery wheel segments.

ERV Wheel Cleaning Frequency

ERV Wheel Drive Belt and Documentation

Troubleshooting and Warranty

Unit Operation Troubleshooting

Common problems like unit not operating, excessive noise, or airflow issues with corrective actions.

Energy Wheel and Blower Issues

Troubleshooting for blower motor overloads, energy wheel problems, and intermittent operation.

Greenheck ERV-521 Specifications

General

Brand	Greenheck
Model	ERV-521
Category	Fan
Language	English