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266

J20741 - Subject to change. © Belimo Aircontrols (USA), Inc.

2

1

C

A

B

1

1

2

5

°

10

D

2

1

65

°

2

1

See next page for standard mounting instructions.

A*

B

C**

D

LM

1/4” to 3/4”

5/16” to 3/4”

1.5”

4 to 5 ft-lb

NM

1/2” to 1.05”

2/5” to 1.05”

1.5”

6 to 7 ft-lb

AM

1/2” to 1.05”

2/5” to 1.05”

1.5” 

6 to 7 ft-lb

GM

1/2” to 1.05”

2/5” to 1.05”

1.5”

6 to 7 ft-lb

*LM standard clamp has max 5/8” diameter.  Accessory clamp
K-LM20 can be mounted for sizes up to 3/4” diameter.  
NM, AM and GM clamps have an insert that self-centers on the
following diameter shafts: 1/2” (default), 3/4” and 1.05”.

**Shorter with reversible clamp for NM, AM, and GM

1

2

3

5

4

Installation Instructions

Quick-Mount Visual Instructions for Mechanical Installation

®

Summary of Contents for LMB24-3 Series

Page 1: ...VAC DC 100 to 240 VAC Control Input On Off Floating Point 2 to 10 VDC 4 to 20mA Multi Function Technology 0 to 135 0 to 20V Phasecut Feedback None 5 k Potentiometer 10 k Potentiometer 2 to 10 VDC Var...

Page 2: ...lt In Auxiliary Switch LMB24 3 S Auxiliary Switch and Feedback Potentiometer Add Ons Mount Directly on Clamp Includes Conduit Connector Standard 3ft Plenum Rated Cable and Conduit Connector Provided o...

Page 3: ...eturn Direct Coupled 24 V Torque min 45 in lb for control of damper surfaces up to 11 sq ft LMB24 3 LMB24 3 1 bulk LMB24 3 P10 T LMB24 3 T LMB24 3 T 1 bulk LMB24 3 S LMB24 3 P5 T LMB24 3 P5 T 1 bulk A...

Page 4: ...red under ISO 9001 International Quality Control Standards Actuators shall be as manufactured by Belimo Accessories K LM20 3 4 20 mm Shaft Clamp AV6 20 Shaft Extension ZG LMSA Shaft Adaptor for 1 2 Di...

Page 5: ...f Floating Point Control Non Spring Return Direct Coupled 24 V Torque min 45 in lb for control of damper surfaces up to 11 sq ft LMCB24 3 LMCB24 3 T Application For on off and floating point control o...

Page 6: ...un time shall be constant and independent of torque Actuators shall be cULus listed have a 5 year warranty and be manu factured under ISO 9001 International Quality Control Standards Actuators shall b...

Page 7: ...o 26 LMX24 3 T On Off Floating Point Control Non Spring Return Direct Coupled 24 V Torque min 45 in lb for control of damper surfaces up to 11 sq ft LMX24 3 LMX24 3 T Application For on off and floati...

Page 8: ...ing 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 r...

Page 9: ...ing Point Control Non Spring Return Direct Coupled 100 to 240 VAC Torque min 45 in lb for control of damper surfaces up to 11 sq ft Application For on off and floating point control of dampers in HVAC...

Page 10: ...as manufactured by Belimo Accessories K LM20 3 4 20 mm Shaft Clamp AV6 20 Shaft Extension ZG LMSA Shaft Adaptor for 1 2 Diameter Shafts ZG LMSA 1 Shaft Adaptor for 3 8 Diameter Shafts ZS 100 Weather...

Page 11: ...ensing DRS function to prevent damage to the actuator in a stall condition Power consumption is reduced in holding mode Add on auxiliary switches or feedback potentiometers are easily fastened directl...

Page 12: ...els only 4 To other actuators 3 5 6 24 VAC Transformer Blk 1 Common Red 2 Hot Wht 3 Y Input 2 to 10V Org 5 U Output 2 to 10V 4 to 20 mA Control Signal 500 2 1 Line Volts Notes 1 0 1 0 2 to 10 VDC Feed...

Page 13: ...ion to prevent damage to the actuator in a stall condition Power consumption is reduced in holding mode Add on auxiliary switches or feedback potentiometers are easily fastened directly onto the actua...

Page 14: ...Wht 3 Y Input 2 to 10V Org 5 U Output 2 to 10V Line Volts 2 to 10 VDC Control Signal 1 2 3 Provide overload protection and disconnect as required Actuators may be connected in parallel Power consumpti...

Page 15: ...l condition Power consumption is reduced in holding mode Add on auxiliary switches or feedback potentiometers are easily fastened directly onto the actuator body for signaling and switching functions...

Page 16: ...ed 2 Hot Wht 3 Y Input 2 to 10V Org 5 U Output 2 to 10V LMX24 SR Line Volts 2 to 10 VDC Control Signal 1 2 3 Provide overload protection and disconnect as required Actuators may be connected in parall...

Page 17: ...ge to the actuator in a stall condition Power consumption is reduced in holding mode Add on auxiliary switches or feedback potentiometers are easily fastened directly onto the actuator body for signal...

Page 18: ...ction and disconnect as required Actuators may be connected in parallel Power consumption and input impedance must be observed 4 3 3 The ZG R01 500 resistor converts the 4 to 20 mA control signal to 2...

Page 19: ...g should be done in accordance with the damper manufacturer s specifications The actuator is mounted directly to a damper shaft from 1 4 up to 5 8 in diameter by means of its universal clamp Shafts up...

Page 20: ...to 20 mA Conversion NSV24 US Battery Back Up Module 1 2 Provide overload protection and disconnect as required Actuators may be connected in parallel if not mechanically mounted to the same shaft Pow...

Page 21: ...sizing should be done in accordance with the damper manufacturer s specifications The actuator is mounted directly to a damper shaft from 1 4 up to 5 8 in diameter by means of its universal clamp Shaf...

Page 22: ...required Actuators and controller must have separate transformers Consult controller instruction data for more detailed installation information 1 3 2 2 5 4 1 Common 2 Hot 3 W 4 R 5 B 6 U5 Output 2 1...

Page 23: ...ampers in HVAC systems Actuator sizing should be done in accordance with the damper manufacturer s specifications The actuator is mounted directly to a damper shaft from 1 4 up to 5 8 in diameter by m...

Page 24: ...ctuators shall be as manufactured by Belimo LMX24 PC Proportional Control Non Spring Return Direct Coupled 24V 0 to 20V Phasecut Accessories K LM20 3 4 20 mm Shaft Clamp AV6 20 Shaft Extension ZG LMSA...

Page 25: ...6 8 10 5 7 9 Damper Area sq ft Torque Loading in lb sq ft Torque Loading Chart Determining Torque Loading and Actuator Sizing Damper torque loadings used in selecting the correct size actua tor should...

Page 26: ...to 1 05 2 5 to 1 05 1 5 6 to 7 ft lb GM 1 2 to 1 05 2 5 to 1 05 1 5 6 to 7 ft lb LM standard clamp has max 5 8 diameter Accessory clamp K LM20 can be mounted for sizes up to 3 4 diameter NM AM and GM...

Page 27: ...tate the clamp to about 5 from the closed position 1 16 to 1 8 between stop and clamp Tighten the two nuts on the universal clamp with a 10 mm wrench see table for required torque 5 Snap on the reflec...

Page 28: ...H V A C D i v i s i o n t 8 1 8 3 3 3 7 7 3 8 8 1 8 3 3 3 7 7 1 7 e i n f o d u r a l i t t e c o m mx www d u r a l i t t e c o m mx...

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