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J20741 - Subject to change. © Belimo Aircontrols (USA), Inc.
LM
Wiring Diagram
LMX24PC - Typical Specification:
Proportional control damper actuators shall be electronic
direct-coupled type, which require no crankarm and linkage
and be capable of direct mounting to a shaft from 1/4” to 5/8”.
Actuators must provide control in response to a control input
from an electronic controller or positioner. Actuators shall have
Brushless DC motor technology and be protected from over-
load at all angles of rotation. Actuators shall have reversing
switch and manual override on the cover. Run time shall be
constant and independent of torque. Actuators shall be cULus
listed, have a 5-year warranty, and be manufactured under
ISO 9001 International Quality Control Standards. Actuators
shall be as manufactured by Belimo.
LMX24-PC
Proportional Control, Non-Spring Return, Direct Coupled, 24V, 0 to 20V Phasecut
Accessories
K-LM20 3/4” [20 mm] Shaft Clamp
AV6-20 Shaft Extension
ZG-LMSA Shaft Adaptor for 1/2” Diameter Shafts
ZG-LMSA-1 Shaft Adaptor for 3/8” Diameter Shafts
ZS-100 Weather Shield - Steel
ZS-150 Weather Shield - Polycarbonate
Tool-06 8 mm & 10 mm Wrench
S1A, S2A Auxiliary Switch (es)
P370 Shaft Mount Auxiliary Switch
P…A Feedback Potentiometers
NSV24 US Battery Back-Up Module
ZG-X40 Transformer
Note: When using LMX24-PC actuators, only use
accessories listed on this page.
®
1
2
3
24 VAC Transformer
Blk (1) Common
Red (2) Hot +
Wht (6) Y Input,
0 to 20V phasecut
Org (5) U Output, 2 to 10V
…PC
Line
Volts
0 to 20 V Phasecut
Control Signal
(–)
(+)
–
1
2
3
Provide overload protection and disconnect as required.
Actuators may be connected in parallel. Power
consumption and input impedance must be observed.
Actuator may also be powered by 24 VDC.
Notes:
W185
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