Functional Devices RIBMNLB-4 Board 322838-753 Utilizing genuine Lennox HVAC parts

Utilizing genuine Lennox HVAC parts ensures that the system operates within original manufacturer specifications

the Erie 453L series features a NEMA 1 protection rating and a simplified 2-wire thermostat interface that streamlines field wiring

this 3/4 HP motor operates at a fixed speed of 1100 RPM

provided the air handler unit is certified for multi-poise installation and the minimum CFM requirements are met to dissipate the 5KW load

Negative Pressure Compatibility: Specifically ported for use with negative pressure burner systems requiring 1/2 PSI max inlet

Functional Devices RIBMNLB-4 Board 322838-753 Utilizing genuine Lennox HVAC partsThe Functional Devices RIBMNLB 4 logic board is a field proven AHU fan safety alarm circuit designed to aggregate multiple shutdown signals into a single supervisory point. This 4 input logic module eliminates the need for complex, hand wired relay interlocking by using high density 2. 75 inch track mount housing. Optimized for 24Vac dc power input, the board accepts up to four normally closed (N C) inputstypically from smoke detectors, freeze stats,