Belimo LM Series User Manual

156
G20492-IG-Subject to change. © Belimo Aircontrols (USA), Inc.
LM Series Direct Coupled Actuator
Areas of Application
Small Yet Powerful
● Minimum 35 in-lb torque in a compact package.
For damper areas up to 8 sq-ft*.
®
LM Series – at a glance
LM24-10P US (p.162)
LM24-SR US (p. 160)
LMC24 US (p.164)
LMC24-SR-T US (p.164)
LM24-MFT US (p.166)
Rack and pinion type actuator
replaced by direct coupled LM.
Replacement LM24 compatible
with existing control system.
VAV Units and Small Zone Dampers
Quiet Plus
®
VAV
terminal unit by
Warren Technology
LM24-3 US (p. 158)
Torque: 35 in-lb ●●●●●●●●●●●
Power supply : 24 VAC/DC ●●●●●●●●●●●
Brushless DC motor: ●● ●●
Control signal: on-off ●●●●● ●
floating point ●● ●●
proportional 2 to 10 VDC ●● ●●
Multi-function** ●
Feedback signal: 2 to 10 VDC ●●
VDC variable** ●
10kΩ feedback potentiometer ●
5kΩ feedback potentiometer ●
Run time: 95 sec ●●
80 to 110 sec for 0 to 35 in-lb ●●●
25 to 35 sec for 0 to 18 in-lb ●●●
Adj. 75 to 300 sec.*** ●
Left/Right rotation switch ●●●●●●●●●
Angle of rotation limiting (mechanical) ●●●●● ●● ●●
Angle of rotation limiting (electronic) ●●
Plenum rated cable, 18 GA ●●●●●●●
Screw terminal strip ●●●●
Manual override push-button ●●●●●●●●●●●
Built-in auxiliary switch ●
Installation instructions ......(p. 168–170) General wiring ..............(p. 169)
Start-up and checkout ......(p. 171)
*Based on 4 in-lb/ft
2
damper torque loading. Parallel blade. No edge seals. **Default 2 to 10 VDC ***Default 150 seconds
Halomo Brushless DC Motor Technology
LM24-3-T US (p.158)
LM24-S US (p.162)
LM24-3-5P0-T US (p.158)
LM24-SR-T US (p. 160)
LMC24-SR US (p.164)
Replacement Belimo
actuator (LM type)
direct couples to VAV
By-Pass damper shaft.
Existing pneumatic
actuator requires linkage.
H
H
H
H
H
©
Actuators
in bold have
BDCM
H

Belimo LM Series Specifications

General

Brand	Belimo
Model	LM Series
Category	Controller
Language	English

Summary

LM Series General Information

LM Series Compact Design

Highlights the compact package and powerful torque of the LM series actuators.

LM Series Application Areas

Details typical usage environments for LM series actuators in HVAC systems.

LM24-3 Series Actuator Specifications

LM24-3 Series Technical Data

Comprehensive specifications for LM24-3, LM24-3-T, and LM24-3-5P0-T models.

LM24-3 Series Electrical Wiring

Illustrates electrical connections for on-off and floating point control.

LM24-SR Series Actuator Specifications

LM24-SR Series Technical Data

Detailed specifications for LM24-SR and LM24-SR-T proportional actuators.

LM24-SR Series Electrical Wiring

Shows electrical connections for 2-10 VDC and 4-20 mA control signals.

LM24-S and LM24-10P Actuator Specifications

LM24-S and LM24-10P Technical Data

Specifications for LM24-S (on-off) and LM24-10P (floating point) actuators.

LM24-S and LM24-10P Electrical Wiring

Wiring for on-off control (LM24-S) and floating point control (LM24-10P).

LMC24 Series Actuator Specifications

LMC24 Series Technical Data

Specifications for LMC24, LMC24-SR, and LMC24-SR-T actuators.

LMC24 Series Electrical Wiring

Electrical connections for LMC24 on-off and proportional models.

LM24-MFT Series Actuator Specifications

LM24-MFT Series Technical Data

Specifications for the LM24-MFT proportional actuator with Multi-Function Technology.

LM24-MFT Series Electrical Wiring

Wiring configurations for LM24-MFT actuators, including standard and override options.

Installation and Operation Procedures

Quick-mount Visual Installation Guide

Step-by-step visual guide for mounting the actuator.

General Wiring and Installation Tips

Guidelines for transformers, wire lengths, and wiring practices.

Actuator Feature Operation Explained

Explains manual override, rotation limits, and control accuracy mechanisms.

Startup and Checkout Procedures

Electrical Check-out Procedure

A checklist for verifying actuator wiring and basic functionality.