Fantech VHR150 Heat Recovery Ventilator Installation Manual

About this manual

This manual provides installation instructions for the Fantech VHR150 Heat Recovery Ventilator (HRV). It details how to determine airflow requirements using room classification or ASHRAE methods and describes three primary installation configurations: fully dedicated, partially dedicated, and simplified options connecting to a furnace. Important warnings regarding static pressure compatibility with other mechanical equipment and frost prevention are included.

What's inside

• Determining Your Airflow Requirement
• Installation Examples
• Exterior Ducting Installation
• Interior Ducting Installation
• Airflow Adjustment & Balancing
• Low Voltage Control Systems
• Wiring Diagram
• Troubleshooting
• HRV Maintenance Chart

Frequently asked questions

What code should the ventilation system be installed in conformance with?

The system should be installed in conformance with the appropriate provincial requirements, the current edition of the National Building Code, and/or ASHRAE's Good Engineering Practices.

What is the minimum recommended separation between HRV supply and exhaust connections to a furnace?

A minimum separation of 1 meter (3 feet 3 inches) is recommended between the two direct connections.

Can the HRV be turned off during winter without a motorized damper?

No, if using a simplified installation, the HRV must operate continuously to prevent cold outdoor air from entering the furnace when the HRV is off.