Honeywell L4017 User Manual
Fan and limit, Honeywell
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THE L4017 COMBINATION FAN AND
LIMIT CONTROL PROVIDES FAN AND
HIGH LIMIT SWITCHING FOR ALL TYPES
OF FORCED AIR HEATING SYSTEMS.
□ The fan switch makes and the limit switch
breaks on temperature rise.
□ The control may be used in line voltage,
low voltage, or millivolt systems.
□ The sensing element is installed directly in
the plenum duct.
□ The liquid-filled element operates indepen
dently of changes in pressure.
□ Electrical circuits are switched by reliable
□ Temperature settings are adjustable.
O Fast response sensing elements.
□ The sensing element may be bent away
from an obstruction if necessary.
□ Models available with a manual fan switch.
FAN AND LIMIT