Honeywell fan limit switch manual

For control of high limit and fan motor in all types of forced air heating systems. L LE Reset Limit Control opens a line or low voltage circuit if the air temperature reaches a critical level. LE acts as a fire thermostat in the ducts of AC ventilating systems. If the air temperature indicates a fire, the fan is shut down. temperature at which the fan is to come on. MANUAL F AN SWITCH For constant fan operation, push the F AN switch button in. For fan to cycle automatically, pull button o u t. LIMIT SETTING ADJUSTMENT These controllers have a limit stop which prevents the limit indicator lever from being adjusted beyond the equipment manufacturer Õs specifications. www.doorway.ru Size: KB. Honeywell fan and limits combines high temperature limit with circulating blower control. As an industry manual fan button manual Reset switChinG aCtion L LB US/ Canada 5 LB, LB, LB, LB

fig. 6-typical 01 l burner system with limit switch in line voltage circuit. fig. 7-typical self-powered gas system with limit switch in millivolt circuit and fan switch inline circuit. fig. 8-typical wiring connections for l used as a secondary limit at the filter of a downflow furnace. r-w makes, r-b breaks on temperature rise to set point. Or, if its an ECM motor then thats a whole nother scenario. You don't want the fan running all the time, especially for AC. I would just change out the control to one that has that feature. I have a Honeywell LB fan limit switch on my oil furnace that is missing the Manual/Auto knob. HONEYWELL LA Fan Limit Control, Adjustable Range Degrees F, 7IN Insertion, Open Circuit, Stop Set at Degrees F. $ $

Manual Fan Switch For constant fan operation (overriding fan setting levers), push the FAN switch button in. For fan to cycle automatically, pull button out. Limit Setting Adjustment Move the limit lever to the temperature at which the high-limit switch will open to stop the burner. CHECKOUT When installation is complete, disconnect the fan. Fan: SPDT, Limit: SPST — N.C. (break on rise) LA Canada LA, LA, LA to 85 to No No Fan: SPDT, Limit: SPST — N.C. (break on rise) For a complete cross-reference, visit www.doorway.ru * Some models limit, Fan On and Fan Off need to be adjusted. Fan and Limits Selection Guide Gas. temperature at which the fan is to come on. MANUAL F AN SWITCH For constant fan operation, push the F AN switch button in. For fan to cycle automatically, pull button o u t. LIMIT SETTING ADJUSTMENT These controllers have a limit stop which prevents the limit indicator lever from being adjusted beyond the equipment manufacturer Õs specifications. 1.