Typical Specification
Floating point, on/off control damper actuators shall be electronic direct-
coupled type, which require no crank arm and linkage and be capable of direct
mounting to a shaft from 1/4” to 5/8”. Shafts up to 3/4” diameter can be
accommodate with an accessory clamp. Actuators shall have brushless DC
motor technology and be protected from overload at all angles of rotation.
Actuators shall have reversing switch and manual override on the cover. If
required, actuator will be provided with screw terminal strip for electrical
connections [LMB(X)24-3-T]. If required, actuators shall be provided with
one adjustable SPDT auxiliary switch. Actuators with auxiliary switches must
be constructed to meet the requirements for double insulation so an electrical
ground is not required to meet agency listings. Run time shall be constant
and independent of torque. Actuators shall be cULus listed, have a 5-year
warranty, and be manufactured under ISO 9001 International Quality Control
Standards. Actuators shall be as manufactured by Belimo.
Wiring Diagrams
A
Actuators with appliance cables are numbered.
Provide overload protection and disconnect as required.
Actuators may also be powered by 24 VDC.
Actuators Hot wire must be connected to the control board common.
Only connect common to neg. (-) leg of control circuits. Terminal
models (-T) have no-feedback.
Actuators may be connected in parallel if not mechanically linked. Power
consumption and input impedance must be observed.
16
Actuators are provided with a numbered screw terminal strip instead of
a cable.
24 VAC Transformer
olts
1 3
11 16
A
(1) Common
(2) + Hot
(3) + Input
On/Off
(1) Common
(2) + Hot
(3) + Input
olts
1 3
11 16
A
Floating Point
ComHot
1 3 11
A
Blk (1) Common
Red (2) + Hot
Wht (3) Y Input
olts
Floating Point - Triac Source
1
11
A
Blk (1) Common
Red (2) + Hot
Wht (3) Y Input
olts
ComHot
6
Floating Point - Triac Sink
LMB24-3-T
On/Off, Floating Point, Non-Spring Return, 24 V
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date created, 08/30/2018 - Subject to change. © Belimo Aircontrols (USA), Inc.