Specifications
VCES-ERV-IOM-1A – ERV500i/e
2
Nomenclature ......................................................................................................................................................................3
Safety Considerations .........................................................................................................................................................5
General Information ...........................................................................................................................................................5
Installation ...........................................................................................................................................................................5
Check Equipment ..........................................................................................................................................................5
Mount Unit ....................................................................................................................................................................5
Make Duct Connections ................................................................................................................................................6
Rigging and Placing the Unit (ERV500e only) .............................................................................................................7
Install Hoods (ERV500e only) ........................................................................................................................................7
Install Access Panel Handles .........................................................................................................................................7
Remove All Internal Packaging ....................................................................................................................................7
Systems Integration.......................................................................................................................................................8
Electrical Connections ...................................................................................................................................................8
Start-up ................................................................................................................................................................................9
Controls..........................................................................................................................................................................9
Frost Control ................................................................................................................................................................10
Sequence of Operation ...............................................................................................................................................10
Airflow Balancing........................................................................................................................................................10
System Service ...................................................................................................................................................................11
Quarterly Maintenance...............................................................................................................................................11
Annual Maintenance ..................................................................................................................................................11
Testing and Replacement of the Damper Actuator ..................................................................................................12
Motor and Blower Removal .......................................................................................................................................12
Cassette Removal ........................................................................................................................................................13
Cassette Service ...........................................................................................................................................................13
Appendix A: Roofcurb Detail ...........................................................................................................................................15
Appendix B: Dimensional Drawing ..................................................................................................................................16
Appendix C: Hood Installation and Rigging ....................................................................................................................18
Appendix D: Minimum Distance Requirements and Typical Installation ......................................................................19
Appendix E: Components .................................................................................................................................................20
Appendix F: Equipment Data ...........................................................................................................................................21
Appendix G: Terminal Control Diagrams .........................................................................................................................22
Appendix H: Troubleshooting ..........................................................................................................................................26
Table of Contents
Manufacturer reserves the right to discontinue or change specifications or designs without notice or obligation.