MicroMetl ECD-SRTCB-D0 Install Manual page 8

MicroMetl
Since 1965
LF LF24-SR (-S) US
Proportional damper actuator, spring return safety, 24 V for 2 to 10 VDC, or 4 to 20 mA control signal.
Output signal of 2 to 10 VDC for position indication.
LISTED
U L
94D5
TEMP. IND &

.
REG. EQUIP
AFB24-MFT
Modulating, Spring Return, 24 V, Multi-Function Technology®
*CB-D00B
Wiring diagrams
1
24 VAC Transformer
Line
Volts
Control Signal (–)
(+)
2 to 10 VDC
1
Provide overload protection and disconnect as required.
Actuators may be connected in parallel. Power con-
2
sumption and input impedance must be observed.
3
Actuator may also be powered by 24 VDC.
Actuators with plenum rated cable do not have num-
4
bers on wires; use color codes instead.
The LF24-SR-S US wire 5 is white.
5
Direction of rotation
CW CCW
LF24-SR US
24 VAC Transformer
Line
Volts
(–)
Position
Feedback VDC
(+)
On/Off
24 VAC Transformer
Line
Volts
Control Signal
(–)
VDC / mA
(+)
VDC/mA Control
6
4
Blk (1) Common
Red (2) + Hot
Wht (3) Wht ( 2 to
Input,
1
Grn (5) U 2 to
Output,
5
CW CCW
LF24-SR US
spring return reversible with cw/ccw
mounting control direction selected
by switch:
CW=CW with a decrease in signal
CCW=CCW with a decrease in signal
A
1 3
Common
Blk (1)
Red (2) + Ho
Y Input
Wht (3)
1
Pnk (4) Y Input
2
Org (5) U Output
A
1 3 5
Blk (1) Common
Red (2) d +
500
1/4 watt
Wht (3) Y Input
1
7
Pnk (4) (4) Input
2
Org (5) (5) U Out
3
10V
10V
2
46 47
46 47