checking operating voltage

ensures accurate performance even in systems with high pressure drops across the evaporator

ensuring that only vapor enters the compressor

as long as the primary and secondary voltages match (460/230)

If the board receives signal but fails to energize the contactor or fan relay

Aprilaire 62 Humidistat 326010-701 checking operating voltageThe Aprilaire 62 Humidistat is a high performance Automatic Digital Humidifier Control specifically engineered for steam humidifiers like the Aprilaire 800 and 865. This sophisticated HVAC humidity controller features an outdoor temperature sensor that enables "set it and forget it" operation by automatically adjusting the indoor relative humidity setpoint based on external conditions. By monitoring outdoor fluctuations, the Aprilaire 62 prevents