Belimo LF-2 Series - Table of Contents

ENG-93001-93227-01.00 • ZSD • Subject to technical changes
Selection table
Spring return actuators,
Open/Close
LF24 4
LF24-S 4
LF230 5
LF230-S 5
Adjusting the auxiliary switch 6
Spring return actuator, 3-point
LF24-3 7
Examples of control modes LF24-3 8
Spring return actuator, modulating
LF24-SR 9
Control/monitoring functions LF24-SR 10
Mechanical accessories
Mounting accessories LF... 11
General mounting accessories 12
Mounting instructions
Direct mounting 13
Mounting with linkage 14
Mounting for tight-sealing dampers 15
LF24-3
LF230-S
LF24-SR
LF230
LF24-S LF24
Continuous position feedback
•
Damper rotation with universal spindle clamp
••••••
Actuators conforming to US standards on request.
Direction of rotation reversible (right/left)
••••••
Auxiliary switch potential-free (adjustable)
••
Mechanical angle of rotation limiting
••••••
Torque 4 Nm
Note
Using BELIMO damper actuators
The actuators listed in this catalogue are intend-
ed for the operation of air dampers in HVAC
systems.
Torque requirements
When calculating the torque required to oper-
ate dampers, it is essential to take into account
all the data supplied by the damper manufac-
turer concerning cross sectional area, design,
mounting and air flow conditions.
Running time motor 40...75 s
••••
motor 150 s
•
•
spring return 5 20 s
•••••
•
Control Open/Close
••••
3-point
•
modulating DC 0...10 V
•
Nominal voltage AC 24 V •• •
•
DC 24 V
••
••
AC 230 V ••
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Contents
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