Introduction

This manual provides essential information for the installation, operation, and maintenance of Greentek's Light Commercial Energy Recovery Ventilators (ERVs), specifically the LCH-4E, LCH-7E, and LCH-12E models. These units are designed to enhance indoor air quality by exchanging stale indoor air with fresh outdoor air while recovering energy.

Key Features and Installation Guidelines

The manual details various installation aspects, including optimal location, port configuration, and ductwork connections. It emphasizes the importance of adhering to provincial requirements and the National Building Code, as well as ASHRAE's Good Engineering Practices. Proper airflow balancing and connection to HVAC systems are also covered, with illustrations provided for different installation scenarios like fully dedicated, partially dedicated (direct and indirect connections), and simplified installations.

Operation and Maintenance

Understanding the different modes of operation, such as Continuous/Ventilation, Intermittent/Standby, and Defrost by Evacuation, is crucial for efficient use. The document also outlines the procedures for setting fan speeds and explains the various wall control options available, including the STS 2.0, EHC 2.5, and EHC 2.0 models, along with auxiliary controls like timers and dehumidistats. Regular maintenance, including filter cleaning and ERV core cleaning, is detailed to ensure optimal performance and longevity of the units. Safety precautions, such as ensuring the unit is unplugged before maintenance, are highlighted throughout.

Support and Resources

For further technical information and support, Greentek encourages users to visit their website at www.greentek.ca. Contact information for Canada is also provided.