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Wiring Diagrams

INSTALLATION NOTES

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power consumption and input 

impedance must be observed.

Actuators may also be powered by 24 VDC.

Actuators Hot wire must be connected to the control board common.  

Only connect common to neg. (-) leg of control circuits. Terminal 

models (-T) have no-feedback.
Actuators with plenum cable do not have numbers; use color codes 

instead.
Meets cULus requirements without the need of an electrical ground 

connection.

!

WARNING! LIVE ELECTRICAL COMPONENTS!

During installation, testing, servicing and troubleshooting of this 

product, it may be necessary to work with live electrical components. 

Have a qualified licensed electrician or other individual who has been 

properly trained in handling live electrical components perform these 

tasks. Failure to follow all electrical safety precautions when exposed to 

live electrical components could result in death or serious injury.

 

2

3

18

24 VAC Transformer

Blk    (1)    Common

Red   (2)    + Hot

Wht  (3)    Y Input

Line
Volts

1

On/Off

 

2

3

18

24 VAC Transformer

Blk    (1)    Common

Red   (2)    + Hot

Wht  (3)    Y Input

Line
Volts

1

Floating Point

 

Com

Hot

2

3

18

Blk    (1)    Common

Red   (2)    + Hot

Wht  (3)    Y Input

Line
Volts

24 VAC Transformer

1

 

2

18

Blk    (1)    Common

Red   (2)    + Hot

Wht  (3)    Y Input

Line
Volts

24 VAC Transformer

Com

Hot

6

1

Floating Point - Triac Sink

LRB24-3

On/Off, Floating Point, Non-Spring Return, 24 V

800-543-9038

 USA

866-805-7089

 CANADA

203-791-8396

 LATIN AMERICA / CARIBBEAN

Date created, 11/29/2017 - Subject to change. © Belimo Air

controls (USA), Inc.

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