
Protected by patents: US 5,547,017; 5,881,806; 6,431,268; CA 2,245,135
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The ERV-24-HC11 thermostat with FanCycler
®
has enhanced features to compliment
controlled mechanical ventilation systems. These features were configured by your
installing technician. A brief summary description follows:
FAN CYCLING CONFIGURATION — The purpose of fan cycling is to assure that the
central air handler fan will run enough to distribute ventilation air and evenly mix air
throughout the house when there is no demand for heating or cooling. Rather than
operate the fan continuously or by a simple timer that can’t consider prior operation, the
FanCycler
®
method saves energy and wear and tear on equipment by only operating the
fan if it hasn’t already operated enough.
VENTILATION DAMPER CYCLING — The purpose of cycling the ventilation damper is to
limit the possibility of over-ventilating during peak-load conditions which could cause
unnecessary space conditioning energy consumption. If the fan stays on longer than
needed for the introduction of ventilation air, the damper will automatically close.
)
ERV-24-HC11 FanCycler.PPT
Rev. 2 Date: 15.12.2004
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