Belimo CMU Series Technical Data Book
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Belimo CMU Series Technical Data Book

Damper actuators
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Damper Actuators
Technical Databook
Ver. 2
Version 4
Belimo Asia Pacific

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Summary of Contents for Belimo CMU Series

  • Page 1 Damper Actuators Technical Databook Ver. 2 Version 4 Belimo Asia Pacific...
  • Page 2 Open/Close (only for CMU230..) -RES Modulating DC 2(0)...10V Control Auxiliary Switch Form fit Terminal Connection Mechanical Fail-Safe Damper Actuator Open/Close Blank Modulating DC 2(0)...10V Control 3-point Auxiliary Switch -S, -S2 For customising types of Damper Actuators please contact your nearest Belimo sales representative.

  • Page 3: Table Of Contents

    TF24-3 TF24-SR TF230(-S) TF230-SR Mechanical Fail-Safe Damper Actuator, 4Nm Note: LF24(-S) Using Belimo Damper Actuators: LF24-3 The actuators listed in this catalogue are intended for the • LF24-SR operation of air dampers in HVAC systems. LF230(-S) The Damper Actuator is not allowed to be used outside the •...

  • Page 4: General Damper Actuator, 2Nm

    Damper Actuator product overview General Damper Actuator CMU.. LMU.. NMU.. SMU.. GMU.. Open/Close, 3-point 10Nm 20Nm 40Nm AC/DC 24V 50/60Hz CMU24(-F8/-F10)(-T) LMU24(-F/-T) NMU24(-F/-T) SMU24(-F/-T) GMU24* Auxiliary switch built-in 1 SPDT LMU24-S NMU24-S SMU24-S AC 100...240V 50/60Hz CMU230(-F8/-F10) LMU230 NMU230 SMU230 GMU230* AC 230V 50Hz (Open/Close) CMU230(-F8/-F10)-RES*...

  • Page 5: Mechanical Fail-Safe Damper Actuator, 2Nm

    Damper Actuator product overview Mechanical Fail-Safe Damper Actuator TF.. LF.. Open/Close TF24 LF24-S AC/DC 24V 50/60Hz Auxiliary switch built-in 1 SPDT TF24-S LF24-S TF230 LF230 AC 230V 50/60Hz Auxiliary switch built-in 1 SPDT TF230-S LF230-S 3-point TF24-3 LF24-3* Modulating AC/DC 24V 50/60Hz Control signal DC 2(0)...10V, feedback DC 2...10V TF24-SR LF24-SR...
  • Page 12 LMU230(-S/-F) • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC 100...240V • Control: Open/Close or 3-point Technical data Nominal voltage Electrical data AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 1.5W @ running / 0.5W @ holding Wire/transformer sizing 3.5VA Auxiliary switch LMU230-S...
  • Page 13 LMU230SR • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC 100...240V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 2.0W @ running / 1W @ holding...
  • Page 14 NMU24(-S/-F/-T) • For operation of air control dampers in HVAC system • Torque: 10Nm • Nominal voltage: AC/DC 24V • Control: Open/Close or 3-point Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V Power consumption 1.5W @ running / 0.2W @ holding Wire/transformer sizing...
  • Page 15 NMU24-SR • For operation of air control dampers in HVAC system • Torque: 10Nm • Nominal voltage: AC/DC 24V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V Power consumption...
  • Page 16 NMU230(-S/-F) • For operation of air control dampers in HVAC system • Torque: 10Nm • Nominal voltage: AC 100...240V • Control: Open/Close or 3-point Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 2.5W @ running / 0.6W @ holding Wire/transformer sizing 5.5VA...
  • Page 17 NMU230SR For operation of air control dampers in HVAC system Torque: 10Nm Nominal voltage: AC 100... 240V Control signal: DC 2(0)...10V Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 3.5W @ running / 1W @ holding Wire/transformer sizing 6.5VA...
  • Page 18 SMU24(-S/-F/-T) • For operation of air control dampers in HVAC system • Torque: 20Nm • Nominal voltage: AC/DC 24V • Control: Open/Close or 3-point Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V Power consumption 2W @ running / 0.2W @ holding Wire/transformer sizing...
  • Page 19 SMU24-SR • For operation of air control dampers in HVAC system • Torque: 20Nm • Nominal voltage: AC/DC 24V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V Power consumption...
  • Page 20 SMU230(-S/-F) • For operation of air control dampers in HVAC system • Torque: 20Nm • Nominal voltage: AC 100...240V • Control: Open/Close or 3-point Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 2.5W @ running / 0.6W @ holding Wire/transformer sizing Auxiliary switch SMU230-S...
  • Page 21 SMU230-SR • For operation of air control dampers in HVAC system • Torque: 20Nm • Nominal voltage: AC 100...240V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 3.5W @ running / 1W @ holding...
  • Page 22 GMU24 • For operation of air control dampers in HVAC system • Torque: 40Nm • Nominal voltage: AC/DC 24V • Control: Open/Close Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V 4W @ running / 2W @ holding Power consumption Wire/transformer sizing Connection cable...
  • Page 23 GMU24-SR • For operation of air control dampers in HVAC system • Torque: 40Nm • Nominal voltage: AC/DC 24V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC/DC 19.2...28.8V Power consumption...
  • Page 24 GMU230 • For operation of air control dampers in HVAC system • Torque: 40Nm • Nominal voltage: AC 100...240V • Control: Open/Close Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Nominal voltage range AC 85...265V Power consumption 5W @ running / 2W @ holding Wire/transformer sizing Connection cable Cable 1m, 3x0.75mm...
  • Page 25 LMQU24 • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC/DC 24V • Control: Open/Close (not made for 3-point applications) Technical data Nominal voltage Electrical data AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption 13W @ running / 1.5W @ holding...
  • Page 26 LMQU24-SR • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC/DC 24V • Control modulating: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption 13W @ running / 1.5W @ holding...
  • Page 27 NMQU24 • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC/DC 24V • Control: Open/Close (not made for 3-point applications) Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption 13W @ running /1.5W @ holding...
  • Page 28 NMQU24-SR • For operation of air control dampers in HVAC system • Torque: • Nominal voltage: AC/DC 24V • Control modulating: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption 13W @ running / 1.5W @ holding...
  • Page 29 SMQU24 • For operation of air control dampers in HVAC system • Torque: 16Nm • Nominal voltage: AC/DC 24V • Control: Open/Close (not made for 3-point applications) Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption 15W @ running /1.5W holding...
  • Page 30 SMQU24-SR • For operation of air control dampers in HVAC system • Torque: 16Nm • Nominal voltage: AC/DC 24V • Control modulating: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Nominal voltage range AC 19.2...28.8V / DC 21.6...28.8V Power consumption...
  • Page 31 Mechanical Fail-Safe Damper Actuator TF24(-S) • For operation of air control dampers that perform safety function • Torque: • Nominal voltage: AC/DC 24V • Control: Open/Close • Integrated auxiliary switch (TF24-S) Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Power supply range AC 19.2...28.8V, DC 21.6...28.8V Power consumption...
  • Page 32 Mechanical Fail-Safe Damper Actuator TF24-3 • For operation of air control dampers that perform safety function • Torque: • Nominal voltage: AC 24V • Control: 3-point Technical data Electrical data Nominal voltage AC 24V 50/60Hz Nominal supply range AC 19.2...28.8V Power consumption 2.5W @ running / 1W @ holding Wire/transformer sizing...
  • Page 33 Mechanical Fail-Safe Damper Actuator TF24-SR • For operation of air control dampers that perform safety function • Torque: • Nominal voltage: AC/DC 24V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Power supply range AC 19.2...28.8V, DC 21.6...28.8V Power consumption...
  • Page 34 Mechanical Fail-Safe Damper Actuator TF230(-S) • For operation of air control dampers that perform safety function • Torque: • Nominal voltage: AC 100...240V • Control: Open/Close • Integrated auxiliary switch (TF230-S) Technical data Nominal voltage Electrical data AC 100...240V 50/60Hz Nominal supply range AC 85...265V Power consumption...
  • Page 35 Mechanical Fail-Safe Damper Actuator TF230-SR • For operation of air control dampers that perform safety function • Torque: • Nominal voltage: AC 100...240V • Control signal: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Electrical data Nominal voltage AC 100...240V 50/60Hz Power supply range AC 85...265V Power consumption...
  • Page 36 Mechanical Fail-Safe Damper Actuator LF24(-S) • For the operation of air dampers that perform safety function • Torque: • Nominal voltage: AC/DC 24V • Control: Open/Close • Integrated auxiliary switch (LF24-S) Technical data Electrical data Nominal voltage AC 24V 50/60Hz, DC 24V Power supply range AC 19.2...28.8V, DC 21.6...28.8V Power consumption...
  • Page 39 Mechanical Fail-Safe Damper Actuator LF230(-S) • For the operation of air dampers that perform safety function • Torque: • Nominal voltage: AC 230V • Control: Open/Close • Integrated auxiliary switch (LF230-S) Technical data Electrical data Nominal voltage AC 230V 50/60Hz Nominal supply range AC 198...264V Power consumption...
  • Page 40 Mechanical Fail-Safe Damper Actuator NFU Damper actuator for operating air control dampers in ventilation and air-conditioning systems for building services installations • Torque: 10Nm • Nominal voltage: AC 24...240V/DC 24...125V • Control: Open/Close Technical data Nominal voltage AC 24...240V 50/60Hz, DC 24...125V Electrical data Nominal voltage range AC 19.2...264V, DC 20.4...126.5V...
  • Page 41 Mechanical Fail-Safe Damper Actuator NFU-S2 Damper actuator for operating air control dampers in ventilation and air-conditioning systems for building services installations • Torque: 10Nm • Nominal voltage: AC 24...240V/DC 24...125V • Control: Open/Close • 2x SPDT auxiliary switches built-in Technical data Electrical data Nominal voltage AC 24...240V 50/60Hz, DC 24...125V...
  • Page 42 Mechanical Fail-Safe Damper Actuator NFU24-SR Damper actuator for operating air control dampers in ventilation and air-conditioning systems for building services installations • Torque: 10Nm • Nominal voltage: AC/DC 24V • Control: modulating DC 2(0)...10V position feedback DC 2...10V Technical data Nominal voltage AC 24V 50/60Hz, DC 24V Electrical data...
  • Page 43 Mechanical Fail-Safe Damper Actuator SFU Damper actuator for operating air control dampers in ventilation and air-conditioning systems for building services installations • Torque: 20Nm • Nominal voltage: AC 24...240V DC 24...125V • Control: Open/Close Technical data Electrical data Nominal voltage AC 24...240V 50/60Hz, DC 24...125V AC 19.2...264V, DC 20.4...126.5V Nominal voltage range...
  • Page 44 Mechanical Fail-Safe Damper Actuator SFU-S2 Damper actuator for operating air control dampers in ventilation and air-conditioning systems for building services installations • Torque: 20Nm • Nominal voltage: AC 24...240V DC 24...125V • Control: Open/Close • 2x SPDT auxiliary switches built-in Technical data Electrical data Nominal voltage...
  • Page 45 Mechanical Fail-Safe Damper Actuator SFU24-SR Modulating Mechanical Fail-Safe Actuator with emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings • Torque: 20Nm • Nominal voltage: AC/DC 24V • Control Modulating: DC 2(0)...10V • Position feedback: DC 2...10V Technical data Nominal voltage Electrical data...
  • Page 46 CMU.. mounting instructions > 2.5° 90° 6...12.7mm 2.5° 70 ± 20mm 3.1...3.2mm 120° 60° CMU24-SR..
  • Page 47 LMU../LMS.. mounting instructions > 7 3 6...20 > 6 < 20 6 Nm Z-PI 65°...
  • Page 48 NMU../NMS.. mounting instructions 8...26 10...26 1 m m Z-PI 65°...
  • Page 49 SMU../SMS.. mounting instructions 10...20 10...20 1 m m Z-PI 65°...
  • Page 50 GMU../GMS.. mounting instructions > 12...22 mm 12...18 mm 22...26.7 mm 12...18 mm 15Nm 2 > 0 Z-PI 65°...
  • Page 51 LMQU24../NMQU24.. mounting instructions > 12...22mm 12...18mm 22...26.7mm 12...18mm 15Nm 2 > 0 Z-PI 65°...
  • Page 52 SMQU24.. mounting instructions > 12...22mm 12...18mm 22...26.7mm 12...18mm 15Nm 2 > 0 Z-PI 65°...
  • Page 53 TF.. mounting instructions m i n . 8 4 6...12.7 37...100% ZG-TF1 max 1 Nm...
  • Page 54 TF../LF.. mounting instructions ZDB-TF m i n . 2 0 6...12.7 37...100% ZDB-TF...
  • Page 55 NFU../SFU.. mounting instructions 10...21 10...21 21...26 21...26 10 Nm 33...100% .2 .1...
  • Page 56 Wiring diagrams — General Damper Actuator Wiring diagrams : CMU.. series actuators Notes: • Parallel connection of several actuators is possible. • Power consumption must be observed. Open/Close control 3-point control Connection via safety isolated transformer AC/DC 24V AC/DC 24V CMU24(-T) CMU24(-T) CMU24-F8(-F10)
  • Page 57 Wiring diagrams—General Damper Actuator Wiring diagrams: Open/Close actuators—Parallel connection possible, please note the performance data 1-wire control 2-wire control Connection via safety Connection via safety isolated transformer isolated transformer AC/DC 24V AC/DC 24V Direction of rotation Direction of rotation (while direction of rotation reverses) (while direction of rotation reverses)
  • Page 58 Wiring diagrams—Mechanical Fail-Safe Damper Actuator Wiring diagrams: Open/Close actuators Notes: • Parallel connection of several actuators is possible. • Power consumption must be observed. AC 100...240V (for TF230..) N L1 N L1 AC 230V (for LF230..) Connect via safety AC/DC 24V AC/DC 24V Connect via safety isolating transformer...
  • Page 59 Wiring diagrams—Mechanical Fail-Safe Damper Actuator Wiring diagrams: 3-point actuators Notes: • Connection via safety isolating transformer. • Parallel connection of several actuators is possible. • Power consumption must be observed. Mounting side Connect via safety AC 24V isolating transformer Reversing switch (Y 1 ) (Y 2 ) stop...
  • Page 60 Wiring diagrams—Mechanical Fail-Safe Damper Actuator Wiring diagram: Modulating actuators Notes: • Connection via safety isolating transformer. • Parallel connection of several actuators is possible. • Power consumption must be observed. Mounting side AC/DC 24V Connect via safety isolating transformer – Y DC 2(0)...10V U DC 2...10V Reversing switch...

  • Page 61: Auxiliary Switch Adjustment

    Auxiliary switch adjustment Auxiliary switch adjustment for General Damper Actuators 1. Press the pushbutton, manually operate the universal clamp to desired switch position. 2. Turn switch pointer to the middle line. 3. When actuator moves clockwise (counter clockwise) to switch position, switch indicator passes the middle line counter clockwise (clockwise), the contact between S1 and S3 is disconnected (connected) and the contact between S1 and S2 is connected...

  • Page 62: Electrical Accessories

    Electrical accessories Auxiliary switch, add-on S..A.. 1x SPDT 3A(0.5A), AC 250V 2x SPDT 3A(0.5A), AC 250V S2A-F 2x SPDT 3A(0.5A), AC 250V P..A.. Feedback potentiometer, add-on P140A.. 140Ω 500Ω P500A.. P1000A.. 1000Ω 2800Ω P2800A.. 5000Ω P5000A.. P10000A.. 10000Ω 200Ω P200A-F SGA24 SGE24 SGF24...

  • Page 63: Mechanical Accessories

    Mechanical accessories NMQU SMQU LMQU AN-20 Actuator arm AH-25 Actuator arm AH-GMA Actuator arm AV6-20 Shaft extension Length approximately 170mm For damper spindles 6...20mm Extension 10mm AV8-25 Shaft extension Length approximately 250mm For damper spindles 8...25mm Extension 20mm IND-AFB NFU/SFU.. position indicator K6-1 Spindle clamp for LF...
  • Page 64 Mechanical accessories NMQU SMQU LMQU ZG-118 NFU/SFU.. mounting bracket ZG-AFB NFU/SFU.. crank arm adapter kit. ZG-AFB118 NFU/SFU.. crank arm adapter kit ZG-GMA Mounting kit For flat and side mounting ZG-LF1 Damper linkage kit For side mounting (with 2 ball joints KG8) ZG-LF3 Damper linkage kit For side mounting (with 2 ball joints KG8)

  • Page 65: Replacement Table For Mechanical Fail-Safe Damper Actuators

    Replacement table for Mechanical Fail-Safe Damper Actuators Series Old models New Generation Description NFU.. NF24 Open/Close 10Nm NF230 Open/Close 10Nm NF24-S NFU-S2 Open/Close 10Nm, 2x SPDT auxiliary switch NF230-S Open/Close 10Nm, 2x SPDT auxiliary switch NF24-SR NFU24-SR Modulating 10Nm SFU.. AF24 Open/Close 20Nm AFR24...
  • Page 67 Market Asia Pacific ASIA PACIFIC HEADQUARTERS Japan Office: Belimo Actuators Ltd. Belimo Actuators (Shanghai) Trading Ltd. 7th Floor, Honjo-Azumabashi DJ Building 479 Chun Dong Road, Building C-2 4-19-3, Honjo, Sumida-ku Xin Zhuang Industry Park Tokyo 130-0004, Japan Shanghai 201108, P.R. China...
  • Page 68 Innovation, Quality and Consultancy: A partnership for motorising HVAC Actuators BELIMO Automation AG BELIMO Actuators (Shanghai) Trading Ltd. BELIMO Aircontrol (USA), Inc. Brunnenbachstrasse 1 479 Chun Dong Road, Building C-2 43 Old Ridgebury Road 8340 Hinwil, Switzerland Xin Zhuang Industry Park...

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