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BEA LO-21P User Manual

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75.5079.08 20061129 
 
Page 3 of 13 
 
ELECTRICAL 
INSTALLATION 
OPTION 2 – 
Operator Mounted 
Switch 
 
 
 
 
 
Wiring diagram below shows how to wire when using an operator-mounted switch to control the flow of voltage from the 
motor to the lockout module. Switch should be set to close a set of dry contacts when door is within 2 to 3 degrees of the 
full open position.  
 
 
brow
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wh
ite
gray
purple
orange
LO-21P
24 V 
TRANSFORMER
DATA +  7
DATA -   6
N.C.   5
N.O.  4
COM  3
POWER  2
POWER  1
MOTOR
+
red
black
blue
green
115 VAC
BODYGUARD
1 2 3 4 5
EAGLE
OPERATOR
-
MOTOR VOLTAGE
COMMON 
ACTIVATION 
STALL 
8  7  6  5  4  3  2  1
Contacts to open 
at desired point of
inhibiting
Approach SuperScan
Stall SuperScan
(Swing Side)
AUTO
OFF
HOLD
1  2  3  4  5  6  7  8
blk
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OPERATOR AUX. SWITCH
SWITCH CLOSED AT FULL
OPEN POSITION
COM
NO
SINGLE POLE-DOUBLE
THROW SWITCH
Door Control
SAFETY
yellow
 
 
IMPORTANT: 
Before connecting the red and black wires from the LO-21P to the Motor, be sure to check the polarity of the voltage 
with a multi-meter, to determine which wire is the positive side. The red wire of the lockout module must always be 
connected to the positive side of the motor. When a positive reading is observed on the meter, (while the door is in hold 
open) the red probe indicates the positive side. Thus, the red wire of the lockout will always be attached to whatever 
wire the red probe was on when a positive reading was obtained.  
 
 
NOTES: 
• 
For pairs of doors, wire the additional SuperScans the same as shown above. 
• 
For the inhibit function, operator mounted auxiliary switches may be used – dry contacts only. 
• 
Bodyguard must be programmed to a relay value of 2. 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
NOTE: Bodyguard MUST be programmed 
to a Relay Output value of 2. Default is 1.