Venmar ERV500e User Manual

Installation, Operation and
Maintenance Instructions
ERV500i/e
ERV500i

Venmar ERV500e Specifications

General

Weight	35 lb
Power Consumption	27-102 W
Voltage	120V
Airflow @ 0.4 in. w.g.	500 CFM
Airflow @ 0.2 in. w.g.	500 CFM

Summary

Safety Considerations

Installation

Interior Mount

Install unit for easy access, showing clearance and port locations.

Ceiling Mount

Mount unit level using threaded rod, with isolation if needed.

Rooftop Mount (ERV500e ONLY)

Locate roofcurb on opening, distribute weight, and install flashing.

Make Duct Connections

Rigging and Placing Unit (ERV500e ONLY)

Install Hoods (ERV500e ONLY)

Systems Integration

Electrical Connections

Start Up Procedures

Sequence of Operation

Check unit operation in all modes after installation.

Airflow Balancing

System Service

Damper Actuator Testing and Replacement

Test actuator for proper function and replace if defective.

Motor and Blower Removal

Cassette Removal

Cassette Service

Appendix H

Wall Control Connection

Details wiring for standard and Xtra wall controls, including notes.

Occupied Timer/Sensor Connection

Explains connection for occupancy control via timer or sensor.

Appendix H Continued

Enthalpy Control

Describes how an enthalpy controller manages free cooling and A/C unit cooling.

Low Temperature Control

Details using a low-temperature controller to manage fan operation and damper position.

CO2 Ventilation Control

Describes controlling fan speed based on CO2 levels using a CO2 controller.

Remote Fan Control

Explains how to control fan speed using dry contacts and jumper settings.

Wheel Rotation Sensor

Explains the function and wiring of the wheel rotation sensor for unit shutdown.

Smoke Detector Installation

Details connecting a duct mount smoke detector to stop ERV operation during an alarm.

Appendix I

Trouble Shooting

Provides common problems, their causes, and solutions for unit operation.