Fantech VHR150 Heat Recovery Ventilator Installation Manual

About this manual

This manual provides step-by-step instructions for installing the Fantech VHR150 heat recovery ventilator, including airflow calculations, ducting configurations for fully dedicated, partially dedicated, and simplified systems. It also covers balancing procedures, wiring diagrams, and compatibility with furnaces and other mechanical equipment. Safety and code compliance are emphasized, with warnings about potential interaction with combustion equipment and the need for local building code approval.

What's inside

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

Frequently asked questions

What is the VHR150 Heat Recovery Ventilator designed for?

It is designed for residential use only.

What must be done before installing the VHR150?

You must read this manual before installing the unit.

What is the recommended minimum separation between HRV supply and exhaust ducts in Simplified Installation Option 1?

A minimum separation of 1 m (3' 3") is recommended.

What is the airflow requirement for a bathroom in the ASHRAE method?

Each bathroom requires 20 CFM (10 L/s) of ventilation.