Belimo LRB24-MFT Bedienungsanleitung
Technical Data 2448
Power Supply 24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%
Power consumption in operation 2.5 W
Power consumption in rest
position
1.2 W
Transformer sizing 5 VA (class 2 power source)
Electrical Connection 18 GA plenum cable, 3 ft [1 m], with 1/2”
conduit connector
Overload Protection electronic thoughout 0° to 90° rotation
Operating Range DC 2...10 V (default), 4...20 mA w/ ZG-R01
(500 Ω, 1/4 W resistor), variable (VDC, on/
off, floating point)
Operating range Y variable Start point DC 0.5...30 V
End point DC 2.5...32 V
Input Impedance 100 kΩfor DC 2...10 V (0.1 mA), 500 Ωfor
4...20 mA, 1500 Ωfor PWM and On/Off
Position Feedback DC 2...10 V, Max. 0.5 mA, VDC variable
Angle of rotation 90°
Direction of rotation motor reversible with built-in switch
Position indication Mechanically, pluggable
Manual override external push button
Running Time (Motor) default 150 s, variable 35...150 s
Ambient humidity max. 95% r.H., non-condensing
Ambient temperature -22...122°F [-30...50°C]
Storage temperature -40...176°F [-40...80°C]
Degree of Protection IP42, 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
Noise level, motor 35 dB(A)
Maintenance maintenance-free
Quality Standard ISO 9001
Weight 1.5 lb [0.70 kg]
†Rated Impulse Voltage 800V, Type action 1.B, 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.
LRB24-MFT
Modulating, Non-Spring Return, 24 V, Multi-Function Technology®
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date created, 05/15/2019 - Subject to change. © Belimo Aircontrols (USA), Inc.
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.
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.
Control signal may be pulsed from either the Hot (Source) or Common
(Sink) 24 VAC line.
For triac sink the Common connection from the actuator must be
connected to the Hot connection of the controller. Position feedback
cannot be used with a triac sink controller; the actuator internal
common reference is not compatible.
IN4004 or IN4007 diode. (IN4007 supplied, Belimo part number
40155).
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.
Blk (1)
Red (2)
Pnk (4)
Wht (3)
Org (5)
Line
Volts
Position
Feedback VDC
(+)
(–)
1 3 18
Common
Hot +
Y
2
Input
Y
1
Input
U Output
24 VAC Transformer
2
On/Off
Line
Volts
(–)
(+)
Position
Feedback VD
C
11810
Blk (1)
Red (2)
Pnk (4)
Wht (3)
Org (5)
Common
Hot +
Y
2
Input
Y
1
Input
U Output
24 VAC Transformer
(AC Only)
2
Floating Point
(–)
(+)
Line
V
olts
Ω
500
Ω
1/4 watt
Control Signal
VDC / mA
1 3 518
7
Blk (1)
Red (2)
Pnk (4)
Wht (3)
Org (5)
Common
Hot +
Y
2
Input
Y
1
Input
U Output
24 VAC Transformer
2
VDC/mA Control
Line
Volt
s
(–)
(+)
Position
Feedback VDC
118
8
Blk (1)
Red (2)
Pnk (4)
Wht (3)
Org (5)
Common
Hot +
Y2Input
Y1Input
U Output
24 VAC Transformer
(AC Only)
2
PWM Control
LRB24-MFT
Modulating, Non-Spring Return, 24 V, Multi-Function Technology®
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date created, 05/15/2019 - Subject to change. © Belimo Aircontrols (USA), Inc.
Functions
0%
50%
100%
Control mode acc. to Y
1
Min
Mid
Max
Normal
abcOrg (5)
24 VAC Transformer (AC Only)
U Output
1 5
Blk (1) Common
Red (2) + Hot
Pnk (4)
Wht (3)
(–)
(+)
Line
Volts
B
C
A
VDC / mA
Control Signal
Y2Input
Y1Input
12
7
Ω
182
Override Control
LRB24-MFT
Modulating, Non-Spring Return, 24 V, Multi-Function Technology®
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date created, 05/15/2019 - Subject to change. © Belimo Aircontrols (USA), Inc.
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