Nominal voltage Nominal voltage range Power consumption Wire / tranformer sizing. Connection: Motor LMU24(-S/-F) Cable 1m, 3x0.

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1 LMU24(S/F/) For operation of air control dampers in HVAC system orque: 5Nm Nominal voltage: AC/DC 24V Control: Open/Close or 3point echnical data Electrical data Functional data Working conditions Nominal voltage Nominal voltage range Power consumption Wire / tranformer sizing Auxiliary switch LMU24S Connection: Motor LMU24(S/F) Cable m, 3x.75mm 2 Auxiliary switch LMU24S Cable m, 3x.75mm 2 erminals LMU24 Max. 3x.5mm 2 orque 5Nm Selectable by switch Manual override Gearing latch disengaged by pushbutton, selfresetting Angle of rotation Max. 95, adjustable by mechanical stops Running time 5s for 95 Sound power level Max. 35dB(A) Position indication Mechanical, remote visible Protection class III (safety low voltage) Degree of protection: LMU24(S/F) IP54 in any directions LMU24 IP2 EMC Mode of operation Ambient temperature Nonoperation temperature Humidity test Maintenance Dimensions / weight Dimensions (L x W x H) Shaft length Shaft : LMU24(/S) LMU24F Weight AC 24V 5/6Hz, DC 24V AC/DC V W running holding.5va SPD, ma...3(.5)a, AC 25V, adjustable CE according to 89/336/EEC ype to EN C C 95%RH, non condensing (EN 673 Maintenancefree See 'Dimensions' Min. 37mm 6...2mm 8x8mm Approximately 5g Dimensions [mm] LMU24(S) LMU24 LMU24F

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3 LMU23(S/F) For operation of air control dampers in HVAC system orque: 5Nm Nominal voltage: AC...24V Control: Open/Close or 3point echnical data Electrical data Functional data Working conditions Dimensions / weight Nominal voltage Nominal voltage range Power consumption Wire/transformer sizing Auxiliary switch LMU23S Connection: Motor Auxiliary switch LMU23S orque Manual override Angle of rotation Running time Sound power level Position indication Protection class Degree of protection EMC Low voltage directive Mode of operation Ambient temperature Nonoperation temperature Humidity test Maintenance Dimensions (L x W x H) Shaft length: LMU23(S) LMU23F Shaft : LMU23(S) LMU23F Weight AC...24V 5/6Hz AC running holding 3.5VA SPD, ma...3(.5)a, AC 25V, adjustable Cable m, 3x.75mm 2 Cable m, 3x.75mm 2 5 Nm Selectable by switch Gearing latch disengaged by pushbutton, selfresetting Max. 95, adjustable by mechanical stops 5s for 95 Max. 35dB(A) Mechanical, remote visible II (totally insulated) IP54 in any directions CE according to 89/336/EEC CE according to 73/23/EEC ype to EN C C 95%RH, non condensing (EN 673 Maintenancefree See 'Dimensions' Min. 37mm Min. 2mm mm 8x8mm Approximately 55g Dimensions [mm] LMU23(S) LMU23F

4 LMU23SR For operation of air control dampers in HVAC system orque: 5Nm Nominal voltage: AC...24V Control signal: DC 2()...V Position feedback: DC 2...V echnical data Electrical data Nominal voltage AC...24V 5/6Hz Nominal voltage range AC V Power consumption running / holding Wire/transformer sizing 4VA Connection cable: Power supply Cable m, 2x.75mm 2 Signals Cable m, 4x.75mm 2 Functional data orque 5Nm Control signal DC 2()...V (input impedance k ) Feedback signal DC 2...V Position accuracy ±5% Selectable by switch Manual override Gearing latch disengaged by pushbutton, selfresetting Angle of rotation Max. 95, adjustable by mechanical stops Running time 5s for 95 Sound power level Max. 35dB(A) Position indication Mechanical, remote visible Working conditions Protection class II (totally insulated) Degree of protection IP54 in any directions EMC CE according to 89/336/EEC Low voltage directive CE according to 73/23/EEC Mode of operation ype to EN 673 Ambient temperature C Nonoperation temperature C Humidity test 95%RH, non condensing (EN 673 Maintenance Maintenancefree Dimensions / weight Dimensions (L x W x H) 79xx6mm Shaft length Min. 37mm Shaft 6...2mm Weight Approximately 7g Dimensions [mm]

5 Wiring diagrams NonSpringReturn Wiring diagram: Open/Close actuators Parallel connection possible, please note the performance data wire control 2 3 AC 24V DC 24V! (while S S2 S3 Connection via safety isolated transformer direction of rotation reverses) S S2 S3 S S2 S3 2wire control 2 3 AC 24V DC 24V S S2 S3! (while Connection via safety isolated transformer direction of rotation reverses) S S2 S3 S S2 S3...% LMU24S, NMU24S SMU24S...% LMU24S, NMU24S SMU24S LMU24(/F), NMU24(/F) SMU24(/F), GMU24 LMQU24, NMQU24, SMQU24 LMU24(/F), NMU24(/F) SMU24(/F), GMU24* N L AC...24V N L AC...24V *GMU.. only for Open/Close application 2 3 S S2 S3 S S2 S3 S S2 S3 2 3 S S2 S3 S S2 S3 S S2 S3...% LMU23S, NMU23S SMU23S...% LMU23S, NMU23S SMU23S LMU23(F), NMU23(F) SMU23(F), GMU23 LMU23(F), NMU23(F) SMU23(F), GMU23* Wiring diagram: Modulating actuators Parallel connection possible, please note the performance data 2 3 AC 24V DC 24V 5! Y DC 2() V U DC 2 V Measuring voltage U for position indicating or as masterslave control signal. Connection via safety isolated transformer Position signal voltage % of 95 5 Reversing switch Y = Closed Open Reversing switch Y = Open Closed Y U LMU24SR, NMU24SR SMU24SR, GMU24SR LMQU24SR, NMQU24SR, SMQU24SR Y 2 5 [ V ] anticlockwiseclosing damper clockwiseclosing damper N L AC...24V AC 24V power output Y DC 2() V U DC 2 V Y 5 U Measuring voltage U for position indicating or as masterslave control signal. LMU23SR, NMU23SR SMU23SR 49

6 Electrical accessories Actuators CMU LMU NMU SMU GMU F LF NF AF AFR S..A.. Auxiliary switch, addon SA.. SPD 3A (.5A), AC 25V S2A.. 2 SPD 3A (.5A), AC 25V P..A.. Feedback potentiometer, addon P4A.. 4Ω P5A.. 5Ω PA.. Ω P28A.. 28Ω P5A.. 5Ω PA.. Ω SGA24 Positioner for surface mounting...% Reversible operating range DC...V or DC 2...V SGR24 Positioner for surface mounting...% Reversible operating range DC...V or DC 2...V SGE24 Positioner for rack mounting...% Reversible operating range DC...V or DC 2...V SGF24 Positioner for frontpanel mounting...% Reversible operating range DC...V or DC 2...V ZAD24 Digital position indicator for frontpanel mounting...99% Front size 72x72mm Operating range DC 2...V 2) 2) 2) 2) For...SR 2) For...24SR 54