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WIRELESS EDGE SYSTEM

Electric: 50-WSE-14 or 50-WSE-22

Pneumatic: 50-WSP-14 or 50-WSP-22

Patents Pending

FEATURES

• (ELECTRIC ONLY)

 Supervised system monitors 2-wire 

safety edge.

•  Supervised system monitors infared transmission path 

between receiver and transmitter, power to receiver, power to 
transmitter and integrity and operation of safety edge.

•   Receiver: Draws power from the operator.

•   Transmitter: Low current battery powered device designed for 

1 year minimum battery life.

  Low battery / audible notification.

•  Dead battery / visible and audible notification

  Multiple encoded channel selections for adjacent door 

installations.

  20' minimum operation distance from receiver to transmitter 

devices on standard device. Contact parts and service  
for extended range availability.

 

(ELECTRIC ONLY)

 Cut to length supervised safety edge.

SUPERVISION

• 

(ELECTRIC ONLY)

 

Transmitter: Monitors safety edge trigger 

(short), dead short and normally open embedded safety edge. 
Supervisory signal sent at constant intervals for signal path 
and battery condition.

• 

(PNEUMATIC ONLY)

 Transmitter: Monitors pneumatic 

pressure switch.

•  Receiver: 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 State operator. Diagnostic LED's 
and sounder for system status and troubleshooting.

REQUIREMENTS

•  Designed for rolling service doors and shutters (Not for use on 

rolling fire doors or fire shutters).

•  Power source of +20 VDC to +35 VDC or 18 Vac to 26.5

Vac required.

•  Temperature range of 0° to 158° F.

•  Designed for use indoors, dry locations.

To avoid SERIOUS personal INJURY or DEATH from 
electrocution, disconnect electric power to operator BEFORE 
installing.
ALL electrical connections MUST be made by a qualified 
individual.
This device is for use ONLY with LiftMaster Commercial Door 
Operators. Use on other than recommended equipment voids 
warranty and may cause property damage or SERIOUS 
personal INJURY.

ATTENTION

AVERTISSEMENT

AVERTISSEMENT

AVERTISSEMENT

WARNING

WARNING

CAUTION

WARNING

WARNING

PRECAUCIÓN

ADVERTENCIA

ADVERTENCIA

ADVERTENCIA

K74-WSE

K74-WSP

K74-WSE-14

K74-WSE-22

K74-WSP-14

K74-WSP-22

K77-WSE

K77-WSP

Transmitter and Receiver (Electric)

Transmitter and Receiver (Pneumatic)

Electric Edge, 14

'

Electric Edge, 22

'

Pneumatic Edge, 14

'

Pneumatic Edge, 22

'

Hardware Kit-Electric Edge

Hardware Kit-Pneumatic Edge

 ITEM 

DESCRIPTION

REPLACEMENT KITS

Receiver

1

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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