Greenheck Fan HRE-20, 90, 55 CO2 Sensor, Service Outlet, Vapor Tight Lights, optional accessories

Models: 45 55 90 HRE-20

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CO2 Sensor

optional accessories

CO2 Sensor

This accessory is often used to provide a modulating control signal to a variable frequency drive to raise and lower airflow in relationship to the CO2 levels in the space.. This strategy is often referred to as Demand Control Ventilation and provides further energy savings to the system.. Follow instructions supplied with sensor for installation and wiring details..

Service Outlet

120 VAC GFCI service outlet ships loose for field installation.. Requires separate power source so power is available when unit main disconnect is turned off for servicing..

Vapor Tight Lights

Vapor tight lights provide light to each of the compartments in the energy recovery unit.. The lights are wired to a switch mounted on the outside of the unit.. The switch requires

a separate power source to allow for power to the lights when the unit main disconnect is off for servicing..

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Greenheck Fan HRE-20, 90, 55, 45 manual CO2 Sensor, Service Outlet, Vapor Tight Lights, optional accessories