Product Information LM-5 LM Damper actuators · Damper actuator, modulating LM24-SR 8 Mounting instructions 9 Control and monitoring functions 10 Actuators with damper rotation for

Actuators for heating,ventilation, air-conditioning

2. LM-5Product InformationDamper actuators LLMM

BC

i002

6809

2

1.5 m2

–

8 Nm

NM

The complete range of damper actuators for general use in HVAC systems

AF(R)GM

15 Nm30 Nm

3 m26 m2

–

For more information, please contact your Belimo Representative or order any brochures you need by fax.

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Fax to: BELIMO (address overleaf)

Please send us product brochures on the following damper actuators:

NM... SM... AM... GM... LF... AF... AFR… Electrical accessories

Please send also information on:

Motorized fire and smoke dampers Variable air-volume control (VAV-Control) Rotary-motion actuators and valves Linear-motion actuators and valves

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Sender

Country:

Fax:

Date:

LM

4 Nm

0.8 m2

–

SM

15 Nm

3 m2

–

AM

18 Nm

3.6 m2

–

LF

4 Nm

0.8 m2

i008

4803

EN

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Note

Using BELIMO damper actuatorsThe actuators listed in this catalogue areintended for the operation of air dampers inHVAC systems.

Torque requirementsWhen calculating the torque required to operatedampers, it is essential to take into account allthe data supplied by the damper manufacturerconcerning cross sectional area, design, mount-ing and air flow conditions.

3

LM24-SR

LM230-S

LM230LM24-S

LM24Torque 4 Nm

Running time 80...110 s • • • • •Control Open/Close Single-wire • • • •

2-wire • •Modulating DC 0...10 V •

Direction of rotation reversible (right/left) • • • • •Manual operation by pushbutton • • • • •Auxiliary switch potential-free • •Mechanical angle of rotation limiting • • • •Electronic angle of rotation limiting •Continuous position feedback •Damper rotation with universal spindle clamp • • • • •

Selection table

Damper actuators, Open/Close

LM24 4

LM24-S 4

LM230 5

LM230-S 5

Mounting instructions 6

Adjusting the auxiliary switch 7

Damper actuator, modulating

LM24-SR 8

Mounting instructions 9

Control and monitoring functions 10

Actuators with damper rotation for square form-fit spindles (8 mm), actuators with running time (25…35 s), 60 mm linear adapter and actuators conforming to US standards on request.

ContentsE

NG

-930

01-9

3221

-05.

02-2

M· P

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Sw

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· Z

SD

· S

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hang

es

BC

Nominal voltage AC 24 V • • •DC 24 V • • •AC 230 V • •

LM24, LM24-S damper actuators 4 Nm

4

Dimensions

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2-wire control

AC 24 VDC 24 V

LM24-S

S1 S2 S3

0...100%

T ~

- +

1 2 3

T ~

- +

~

+

Single-wire control

AC 24 VDC 24 V

LM24-S

S1 S2 S3

0...100%

T ~

- +

1 2 3

T ~

- +

~

+

Connect viasafety isolatingtransformer

!

Parallel connection of severalactuators is possible. Powerconsumption must be observed!

LM24

T ~

- +

~

+ LM24

T ~

- +

~

+

Auxiliary switch (LM24-S) 1 ×SPDT 5(2.5) A, AC 250 V (adjustable 0…100% )

Connecting cable – motor 1 m long, 3 ×0.75 mm2

– auxiliary switch (LM24-S) 1 m long, 3 ×0.75 mm2

Direction of rotation selected with L/R switch

Torque min. 4 Nm (at rated voltage)Angle of rotation max. 95° (adjustable by mechanical stops)Running time 80…110 s (0…4 Nm)

Position indication mechanicalProtection class (safety low voltage)

Maintenance maintenance-freeWeight 650 g

Degree of protection IP 54 (bottom cable entry)

EMC CE according to 89/336/EEC, 92/31/EEC, 93/68/EECLow Voltage Directive CE according to 73/23/EEC

Ambient temperature range – 30… + 50 °CNon-operating temperature – 40… + 80 °CHumidity test to EN 60335-1

Sound power level max. 35 dB(A)

Power consumption 2 WFor wire sizing 3 VA

Nominal voltage AC 24 V 50/60 Hz, DC 24 VNominal voltage range AC/DC 19.2…28.8 V

Manual operation Pushbutton, self-resetting

Technical data LM24, LM24-S

Wiring diagram

Dampers up to approx. 0.8 m2

Open/Close actuator

(AC/DC 24 V)

Single-wire or 2-wire control

ApplicationThe type LM24(-S) is intended for theoperation of air control dampers in venti-lation and air-conditioning systems.

Mode of operationOpen/Close control by single-wire or2-wire system.

Product features

Simple direct mounting on the damperspindle by universal spindle clamp. Anantirotation device is supplied to preventunwanted rotation of the whole unit.

Manual operation by self-resetting push-button when necessary (the gearing isdisengaged while the pushbutton is helddepressed).

Adjustable angle of rotation with me-chanical stops.

High functional reliabilityThe actuator is overload-proof, needs nolimit switches and halts automatically atthe end stops.

Flexible signalling 0…100%, with adjust-able auxiliary switch (LM24-S only).

Mounting instructions, page 6

Adjusting auxiliary switch LM24-S,page 7.

ImportantRead the notes about the use and torquerequirements of the damper actuators onpage 2.

01

94.1

89116.2

22.1

66.2

5.2

59

33.5

6...16

d00

0180

5

p00

0170

7w

0226

205

BC

III


Open/Close actuator (AC 230 V)

Control by single-pole contact(single-wire control)

ApplicationThe type LM230(-S) is intended for theoperation of air control dampers in venti-lation and air-conditioning systems.

Mode of operationOpen/Close control by single-wire sys-tem.

Product features



Adjustable angle of rotation with me-chanical stops.


Flexible signalling 0…100%, with adjust-able auxiliary switch (LM230-S only).

Mounting instructions, page 6

Adjusting auxiliary switch LM230-S,page 7.

ImportantRead the notes about the use and torque requirements of the damper actuators on page 2.Direction of rotation selected with L/R switch

Torque min. 4 Nm (at rated voltage)

Angle of rotation max. 95° (adjustable by mechanical stops)

Running time 80… 110 s (0… 4 Nm)

Power consumption 1 W

For wiring sizing 12 VA

Nominal voltage AC 230 V 50/60 Hz

Nominal voltage range AC 198…264 V

Manual operation pushbutton, self-resetting

Auxiliary switch (LM230-S) 1 ×SPDT 5(2,5) A, AC 250 V – Switching point adjustable 0…100%

Connecting cable – motor 1 m long, 3 ×0.75 mm2

– auxiliary switch (LM230-S) 1 m long, 3 ×0.75 mm2

Technical data LM230, LM230-S

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LM230, LM230-S damper actuators 4 Nm

Position indication mechanical

Protection class II (all insulated)

Maintenance maintenance-free

Weight 650 g

Degree of protection IP 54 (bottom cable entry)

EMC CE according to 89/336/EEC, 92/31/EEC, 93/68/EECLow Voltage Directive CE according to 73/23/EEC

Ambient temperature range – 30… + 50 °CNon-operating temperature – 40… + 80 °CHumidity test to EN 60335-1

Sound power level max. 35 dB(A)

5

Dimensions

1 2 3

LM230-S

S1 S2 S3

0...100%

N L1 AC 230 V

LM230Parallel connection of several actuatorswith 1-wire control possible.Power consumption must be observed.

To isolate from the main power supply, the systemmust incorporate a device which disconnects thephase conductors (with at least a 3 mm contact gap).

Wiring diagram

01

94.1

89116.2

22.1

66.2

5.2

59

33.5

6...16

d00

0180

5

p00

0270

7w

0228

803

BC

Mounting instructions LM24(-S), LM230(-S)

6

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3

2

1

min.35mm

6...16

3

5...6Nm

≈1mm

2

1

1

32

54

m00

0170

7

BC

S2

S3.2

.4

.6

.81

0

S1 S2

S3

S1

S2

S3.2

.4

.6

.81

0

S1 S2

S3

S1

m00

0570

7

S2

S3.2

.4

.6

.81

0

S1 S2

S3

S1

S2

S3.2

.4

.6

.81

0

S1 S2

S3

S1

m00

0370

7

0 1

0 1

m00

0270

7

0 1

0 1

m00

0470

7

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Adjusting the auxiliary switch LM24-S, LM230-S

7

a) Referring to end stop 0

b) Referring to end stop 1

Option 1: Actuator at left-hand end stop

Procedure: – Turn the scale knob of the auxiliary switch clockwise (cw) from 0 until the tip of the arrow is pointing to the required switching position. The switch in the example is set to .6 (2 scale divisions cwfrom 0 correspond to 60% rotation).

– Now, when the actuator rotates clockwise, the switch will operate at 60% angle of rotation. (Connection S1 to S3 made)

Option 2: Actuator at switching position

Procedure: – Depress the manual-operation pushbutton and move the actuator to the position where the auxiliary switch is needed to operate (e.g. at 60% angle of rotation).

– Turn the scale knob of the auxiliary switch anticlockwise (ccw) until the tip of the arrow is just past the scale zero. (Connection S1 to S3 made and switching position set for 60% angle of rotation)

Option 2: Actuator at switching position

Procedure: – Depress the manual-operation pushbutton and move the actuator to the position where the auxiliary switch is needed to operate (e.g. at 60% angle of rotation).

– Turn the scale knob of the auxiliary switch clockwise until the tipof the arrow is just past the 1 on the scale. (Connection S1 to S3 made and switching position set for 60% angle of rotation)

Option 1: Actuator at right-hand end stop

Procedure: – Turn the scale knob of the auxiliary switch anticlockwise (ccw) from 1 until the tip of the arrow is pointing to the required switching position. The switch in the example is set to .4 (6 scale divi-sions ccw from 1 correspond to 60% rotation).

– Now, when the actuator rotates anticlockwise, the switch will operate at 60% angle of rotation. (Connection S1 to S3 made)

BC

01

94.1

89116.2

22.1

66.2

5.2

59

33.5

6...16

d00

0280

5

p00

0370

7

LM24-SR damper actuator 4 Nm

EN

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8

Technical data LM24-SRNominal voltage AC 24 V 50/60 Hz, DC 24 VNominal voltage range AC 19.2…28.8 V, DC 21.6…28.8 VFor wire sizing 4 VAPower consumption 2 WConnecting cable 1 m long, 4 ×0.75 mm2

Control signal Y DC 0…10 V @ input resistance = 100 kΩOperating range DC 2…10 V (for set angle of rotation)Measuring voltage U DC 2…10 V @ ≤ 0.5 mA (for set angle of rotation)Synchronism tolerance ± 5%Direction of rotation selected with L/R switch (at Y = 0 V) at switch position L resp. R Manual operating Pushbutton, self resettingTorque min. 4 Nm (at rated voltage)Angle of rotation max. 95° (adjustable with potentiometer 20…100%)

Running time 80…110 s for 95° (0…4 Nm)Sound power level max. 35 dB (A)Position indication mechanicalProtection class (safety low voltage)Degree of protection IP 54 (bottom cable entry)

Ambient temperature range – 30... + 50 °CNon-operating temperature – 40... + 80 °CHumidity test to EN 60335-1EMC CE according to 89/336/EEC, 92/31/EEC, 93/68/EECMaintenance maintenance-freeWeight 620 g

Dimensions

T ~

Y DC 0…10 V

U DC 2…10 V

Control manufacturers: ABB, AEG, Bälz, Centra,Con-trolli, C.S.I., Danfoss, DIGI'Control, Elesta, GA, H.C.Sys-tem, Honeywell, Inel, IWK, Johnson, Kieback & Peter,Landis & Staefa, Messner, Priva, RAM, R+S, Samson,Satchwell, Sauter, SE-Electronic, Siemens, TA, Trend.

Measuring voltage U for position indicating oras master-slave control signal.

anticlock-wise-closing

damper

100

0 Y [ V ] 10 0

% of set angle

50

2 5

Closed

Y

1 2 3

LM24-SR

5

U

AC 24 V- + DC 24 V

T ~

- +

!

Reversingswitch RY = 0

Reversingswitch LY = 0

OpenOpen


Parallel connection of severalactuators is possible. Powerconsumption must be observed.

Closed

clockwise-closingdamper

Wiring diagram


Modulating damper actuator(AC/DC 24 V)

Control DC 0…10 V and posi-tion feedback DC 2…10 V

ApplicationThe type LM24-SR is intended for theoperation of air control dampers in venti-lation and air-conditioning systems.

Mode of operationThe actuator is controlled by a standardDC 0…10 V signal and runs to whateverposition is specified by the signal. Thepurpose of measuring voltage U is toprovide 0…100% electrical indication ofdamper position and to act as a master-slave control signal for other actuators.

Product features


Steplessly adjustable angle of rotationby integral potentiometer. Range match-ing of the working range and measuringsignal U is performed automatically bythe actuator.



Electrical accessories (see Doc. 2.Z-.)SG..24 PositionersZAD24 Digital position indicator

Control and monitoring functions,page 10

ImportantRead the notes about the use and torquerequirements of the damper actuators onpage 2.

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Mounting instructions for LM24-SR

9

Mounting on anticlockwise-closing damper

Mounting on clockwise-closing damper

min.35mm

6...16

2

3

1

100%

20%

3

5...6Nm

2

1

1 2

3 4 5

min.35mm

6...16

3

2

1

3

5...6Nm

2

1

100%

20%

1 2

3 4 5

m00

0670

7m

0007

707

BC

Y

1 2 3

T ~

Remote control 0...100%

1 2 3SGA24, SGF24SGE24

Positioner

4Y

T ~

Z

LM24-SR

Parallel connection of furtheractuators is possible (up to 10).

Y

1 2 3

T ~

1 2 3SGA24, SGF24SGE244

Y

T ~

Z

LM24-SR

Minimum position

Y DC 0...10 V(from controller)

100%Angle of rotation

0%

Y [ V ]

10 V

min.

0 V

AC 24 V

5

U

5

U

AC 24 V

T ~

- +

T ~

- +Parallel connection of furtheractuators is possible (up to 10).

Positioner

!Connect viasafety isolatingtransformer!


Y

1 2 3

Override control

LM24-SR

Parallel connecting of further actuators ispossible. Note power consumption data.

Y DC 0...10 V

ab

5

U

a b

control modeT ~

- +

Reversingswitch R

Reversingswitch L

- +

T ~

AC 24 VDC 24 V !


Y

1 2 3

Position indication

LM24-SR

5

U

T ~

AC 24 V

T ~

- +

1 2 3 ZAD244

+-

Direction ofrotation

!Connect viasafety isolatingtransformer

Y

1 2 3

Master-slave control (depending on position)

LM24-SR

5 1 2 3 5

to next actuator

Masteractuator

Note ± 5% synchronismtolerance between actuators

Slaveactuator

U Y LM24-SRU

T ~

- +

T ~

- +

Y DC 0...10 V

- +

T ~

AC 24 VDC 24 V !


Function monitoring

Y U LM24-SR

1 2 3 5

Procedure

AC 24 V at terminals 1 and 2

Disconnect terminal 3:

link terminals 2 and 3:– actuator runs in the opposite direction

T ~

- +

– For direction of rotation "L": actuator runs

– For direction of rotation "R": actuator runs

- +

T ~

AC 24 VDC 24 V !


LM24-SR Control and monitoring functions

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10

w02

3220

5

BC

11

BC

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Standard actuators andspring-return actuatorsfor air control dampersin HVAC systems

Innovation, Quality and Consultancy:A partnership for motorizing HVAC actuators

Safety actuators formotorizing fire andsmoke extractiondampers

VAV systems for indi-vidual room air control

Mixing actuators andmotorized ball valvesfor HVAC water circuits

Globe valves and intelli-gent linear actuators –also for leading makesof valve

Contact the following for further information:

Belimo Headquarters

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DK BELIMO A/SThomas Helstedsvej 7A8660 Skanderborg, DenmarkTel. ++45 86 52 44 00Telefax ++45 86 52 44 88E-Mail: [email protected]

EE BELIMO Balticum ASTöri 10 d11313 Tallinn, EstoniaTel. ++372 6 140 811Telefax ++372 6 140 812E-Mail: [email protected]

FI Oy Suomen BELIMO AbInsinöörinkatu 200810 Helsinki, FinlandTel. ++358 (0)9 75 11 65 00Telefax ++358 (0)9 75 11 65 31E-Mail: [email protected]

GR BELIMO Air Controls29, Tagm. Plessa, KallitheaGR 17674 Athens, GreeceTel. ++30 (0)1 94 00 766Telefax ++30 (0)1 94 00 767E-Mail: [email protected]

IE Safegard Systems Ltd.Systems House, Unit 34Southern Cross Business ParkBray, Co Wicklow, IrelandTel. ++353 (0)1 2761600Telefax ++353 (0)1 2761611E-Mail: [email protected]

Air applications Water applications

Product Information LM-5 LM Damper actuators · Damper actuator, modulating LM24-SR 8 Mounting instructions 9 Control and monitoring functions 10 Actuators with damper rotation for

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