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FIGURE 1

RECEIVER UNIT

1.  Attach receiver unit near motor operator by pre-drilling 

guide holes and using #8 or #10 fasteners (Refer to page 3 
figures 4 & 5).

2.  Wire receiver to operator (Refer to page 2 figure 1).

3.  Attach the Receiver unit with nuts and lockwashers, making 

sure the reception window and LED’s are facing downward 
(Refer to page 3 figure 5).

RECEIVER WIRE CONNECTIONS

TRANSMITTER UNIT

1. Install Transmitter Unit housing to the door edge by pre-drilling 

guide holes and using #8 or #10 fasteners (Refer to page 3 
figure 6).

2. Open front cover by removing 2 screws (Refer to page 3 

figure 3). 

 a. 

(ELECTRIC ONLY) 

Wire transmitter to safety edge

   

(Refer to page 5).

3.  Insert the 3V lithium battery in the battery clips noting

correct polarity.

4.  Replace front cover.

5.  

(PNEUMATIC ONLY)

 

Connect hose (Refer to page 3 figure 3).

6.  Attach transmitter unit with nuts and lockwashers (Refer to 

page 3 figure 6). Route cable or hose through channel on front 
of cover (Refer to page 2, figure 2).

NOTE:

 Do not kink or crush pneumatic tubing.

The supervised edge system consists of two distinct components, 
the transmitter and the receiver. The receiver, which is connected 
to the operator, behaves like a normally open safety edge. The 
receiver requires a power and ground connection (DC) or an 
AC connection. The transmitter is connected to the safety edge 
and uses an internal 3V lithium battery for power. Battery life 
is estimated at one year, however, conditions may vary. For 
convenience, a low battery warning tone wil sound to indicate that 
replacement is required (See diagnostics). The system requires 
several considerations when deciding upon where to locate the 
units on the door.

NOTE:

 Refer to door system illustration on page 3 for basic door 

setup. Location and configuration may differ from illustration.

1. Both units must be located on the same side of the door. There 

must be a clear line of sight between the units throughout 
door/grill range of travel (Refer to page 3, figure 4).

2. The transmitter must always remain below the receiver 

throughout the door’s range of travel.

3. The receiver placement must be within 2' of transmitter 

centerline (Refer to page 3, figure 5).

CABLE & HOSE SUPPORT

S E L E C T I N G   M O U N T I N G   L O C A T I O N

R E C E I V E R   A N D   T R A N S M I T T E R   I N S T A L L A T I O N

Door Operator

 

 +24V DC or 24V AC- Red

DC Ground or 24V AC- Black

Safety      

 

Edge Connection- Green  

Safety Edge Connection- White

 

FIGURE 2

Channels

To avoid SERIOUS personal INJURY or DEATH from 
electrocution:
•  Disconnect ALL electric and battery power BEFORE 

performing ANY service or maintenance.

ATTENTION

AVERTISSEMENT

AVERTISSEMENT

AVERTISSEMENT

WARNING

CAUTION

WARNING

WARNING

WARNING

PRECAUCIÓN

ADVERTENCIA

ADVERTENCIA

ADVERTENCIA

2

Summary of Contents for LiftMaster 50-WSE-14

Page 1: ...iver Supervised fault occurs if normal supervisory conditions are not received Provides lock out on critical failure with electro mechanical operator and requires constant pressure to close with solid...

Page 2: ...or an AC connection The transmitter is connected to the safety edge and uses an internal 3V lithium battery for power Battery life is estimated at one year however conditions may vary For convenience...

Page 3: ...open position The receiver also may be mounted on the door s end bracket Optimal mounting position for the receiver will vary depending on the door PLACEMENT RECOMMENDATION Contact parts services for...

Page 4: ...rest transmitter 5 Slide 1 2 tubing into door astragal 6 Press 1 8 clear tubing onto barbed connector 7 Insert other end of barbed connector into hole of end plug from step 4 8 Cut 1 8 clear tubing to...

Page 5: ...run inside the sleeve around the cable Apply a thin layer of adhesive to the edge of the cable bushing to seal 1 Using scissors or a sharp razor to cut edge to length adding a total of 1 for end caps...

Page 6: ...ecuring it for storage RECEIVER UNIT TRANSMITTER UNIT C H A N N E L S E L E C T I O N S P E C I F I C AT I O N S Channel Selection Jumper Placed Ch B Removed Ch A Receiver Transmitter Electric Receive...

Page 7: ...afety edge is shorted or partially shorted Check the edge connections in transmitter and then measure the safety edge resistance Correct tolerance is 7 5k Ohms to 15k Ohms Replace edge if out of toler...

Page 8: ...2008 The Chamberlain Group Inc All Rights Reserved 01 18837D...

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