LKS 131 FOR AIR DAMPERS ON SINGLE, DUAL STAGE AND MODULATING BURNERS PRODUCT HANDBOOK APPLICATION The LKS 131 air damper actuator is designed to be fitted to multi-stage or modulating oil and gas burners with fully closed position. CONTENTS GENERAL Description ..............
GENERAL DESCRIPTION A synchronous motor powers an output shaft and a backlash- position at which one of the limit or auxiliary switches operates free cam shaft via a gear reducer. can be adjusted steplessly within the operating range using the associated cam disc. Spindle-driven cams, which can be The cam shaft operates limit and auxiliary switches.
Diagram Shaft Drive Load torque Holding Voltage Type Remarks time torque LKS 131-05 B 2-5 S3 S3.1 LKS 131-08 B 2-5 S3.1 Without plug LKS 131-09 B 2-5 S6 On/off movement only LKS 131-12 B 2-38 S3 LKS 131-15 B 6-15 S8...
Direction of rotation Ambient temperature • • see “Type overview” operation 0 ... +60° C • transport and storage -20 ... +60° C Torque and holding torque Condensation, icing and exposure to water not • see “Type overview” permitted Drive times Weight •...
INSTALLATION AND OPERATION INSTALLATION AND FINAL CHECKOUT • The regulations and standards applicable in each • Carefully check all cabling and wiring prior to particular case must be observed. commissioning. • Installation and commissioning must only be • Disconnect the actuators completely from the carried out by qualified technicians.
EN 60730 – 1 : 1991 A1 and A11 : 1991 EN 60730 – 2 – 5 : 1991 ORDERING INFORMATION Not for creation of new type LKS 131-09 B 2 - 38 S3 Circuit version Drive time for 90° 15 s...