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Chamberlain LiftMaster 50-WSE-14 Manual page 6

Wireless edge system

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The supervised edge system is capable of communicating in either of two channels, A or B. Each unit is set to the default communication
channel A from the factory. Under most conditions the factory setting will not have to be changed. When two systems are used in close
proximity (less than 6 feet), one system should be set to channel B.
To select Channel B the rear covers of both units must be removed and the jumpers marked in the following illustration must be placed
over both pins. To select Channel A the jumper should be placed over one of the pins securing it for storage.
Receiver JP1: Off Channel A
On Channel B
RECEIVER UNIT
PARAMETER
OPERATING VOLTAGE
CURRENT
RELAY CONTACTS
TEMPERATURE CHANGE
HUMIDITY
SIZE
TRANSMITTER UNIT
PARAMETER
OPERATING VOLTAGE
CURRENT
SAFETY EDGE RESISTANCE
TEMPERATURE CHANGE
HUMIDITY
SIZE
C H A N N E L S E L E C T I O N
Receiver
Transmitter JP2 Off Channel A
S P E C I F I C A T I O N S
MINIMUM
MAXIMUM
18
26.5
20
35
5
50
-
1.0
.5
.3
0
158
10%
-
3.5 x 2.5 x 1.5
MINIMUM
MAXIMUM
2.5
6
.1
20
7.5K
15K
0
158
10%
-
3.5 x 2.5 x 1.5
Channel Selection
Jumper
Placed Ch. B
Removed Ch. A
On Channel B
TYPE
UNIT
24
Vac
24
VDC
20
mA
-
A for 30VDC
A for 125Vac
A for 60VDC
-
0F
95%
Relative
inches
TYPE
UNIT
3
Vac
10000
mA
10K
Ohms
-
0F
95%
Relative
inches
6
Transmitter Electric
Transmitter Pneumatic

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Liftmaster 50-wse-22Liftmaster 50-wsp-14Liftmaster 50-wsp-22