Belimo AFRB24-SR Manual

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Technical Data 100136

Power Supply 24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%

Power consumption in operation 5.5 W

Power consumption in rest

position

3 W

Transformer sizing 8.5 VA (class 2 power source)

Electrical Connection 18 GA appliance cable, 3 ft [1 m], with 1/2”

conduit connector

Overload Protection electronic throughout 0° to 95° rotation

Operating Range DC 2...10 V, 4...20 mA w/ ZG-R01 (500 Ω,

1/4 W resistor)

Input Impedance 100 kΩfor DC 2...10 V (0.1 mA), 500 Ωfor

4...20 mA

Position Feedback DC 2...10 V, Max. 0.5 mA

Angle of rotation 90°

direction of rotation motor reversible with switch

direction of rotation spring-return reversible with CW/CCW mounting

Position indication visual indicator, 0° to 95° (0° is full spring

return position)

Manual override 5 mm hex crank (3/16” Allen), supplied

Running Time (Motor) 95 sec

Running Time (Fail-Safe) <20 sec

Ambient humidity 5...95% r.H. non condensing (EN 60730-1)

Ambient temperature -22...122°F [-30...50°C]

Storage temperature -40...176°F [-40...80°C]

Degree of Protection IP54, NEMA 2, UL Enclosure Type 2

Agency Listing cULus acc. to UL60730-1A/-2-14, CAN/CSA

E60730-1:02, CE acc. to 2004/108/EC and

2006/95/EC

Noise level, motor <45 dB (A)

Noise Level (Fail-Safe) <62 dB (A)

Maintenance maintenance-free

Quality Standard ISO 9001

†Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3

Safety Notes

⚠WARNING: For Belimo Products sold in California, these Products do or

may contain chemicals which are known to the State of California to cause

cancer and or birth defects or other reproductive harms. For more information

see www.p65warnings.ca.gov.

AFRB24-SR

Modulating, Spring Return, 24 VAC for 2 to 10 VDC or 4...20 mA Control Signal

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN

Date created, 05/02/2019 - Subject to change. © Belimo Aircontrols (USA), Inc.

Wiring Diagrams

INSTALLATION NOTES

A

Actuators with appliance cables are numbered.

Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC.

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

A 500 Ωresistor (ZG-R01) converts the 4 to 20 mA control signal to 2

to 10 VDC.

Actuators may be connected in parallel if not mechanically linked. Power

consumption and input impedance must be observed.

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.

Blk (1)

Red (2)

Wht (3)

Org (5)

24 VAC Transformer

Control Signal

(+)

VDC/mA

(–)

Feedback Signal

(+)

2 to 10 VDC (–)

500

Line

V

olts

A

13511

Ω

Ω

Common

+ Hot

Y Input, 2 to 10 V

U Output

7

2 to 10 VDC / 4 to 20 mA Control

AFRB24-SR

Modulating, Spring Return, 24 VAC for 2 to 10 VDC or 4...20 mA Control Signal

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN

Date created, 05/02/2019 - Subject to change. © Belimo Aircontrols (USA), Inc.