
2-1. Open and unpack the batteries, Transmitter
and Receiver units.
2-2. Loosen Top Lid Screws on the Transmitter and remove lid.
Remove the Receiver Top Lid by pressing one side of the
snap lock base inward while lifting lid.
2-3. Set the 9 Pole, 3 Position Coding Switch on the Receiver to
match the Transmitter’s 9 Pole, 3 Position Coding Switch. Any
switch position will work as long as the Transmitter coding switch
and the Receiver coding switch are exactly matched (must be
different from other nearby transmitters of the same type).
2-4. Place the two (2) AA batteries in their holders on the Transmitter
in the proper direction, paying attention to the (+) and (-) ends.
Momentarily press the Test Button on the Transmitter.
The Green Tx LED Indicator should light for 3 seconds.
To test the Alarm on the MWTA12 Model, press and hold the
Test Button. The Alarm should sound in approximately ten (10)
seconds. Release the Test Button.
2-5. Route the wires from the safety edge through
the Transmitter’s Strain Relief Cable Fitting for
approximately four inches.
2-6. Strip the insulation from the two wires back ¼”. Pull the
Terminal Block off the Transmitter’s PCB. Place the safety
edge wires in the Terminal Block and tighten with screwdriver.
Re-seat the Terminal Block on the PCB (see Fig. 2-6).
2-7. Re-seat the PCB into the Transmitter Enclosure and securely
tighten the Strain Relief Cable Fitting.
2-8. Now, compress your safety edge. The Green Tx LED Indicator
should light for about 3 seconds.
P.O. Box 159 • West Grove, PA 19390 • 800-220-3343 • 610-869-4422 • Fax: 610-869-4423 • www.milleredge.com
6809 South Harl Ave., Suite A • Tempe, AZ 85283 • 800-887-3343 • 480-755-3565 • Fax: 480-755-3558
MWTA12_Inst_20131007
Model # MWTA12, MWT12, MWR12, MWRT12, MWRTA12
INS
T
ALLATION INS
TRUCTIONS
IMPORTANT:
R
EAD AND UNDERSTAND ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION.
Parts List
MWR12 Single Channel Receiver
MWT12 Single Channel Transmitter
MWTA12 Single Channel Transmitter with low
battery alarm
Kits:
MWRT12: includes MWR12, MWT12
MWRTA12: includes MWR12 and MWTA12
1-
PART NUMBER
2- Install Transmitter and Test
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Tools Required:
1. 1/8” Flat blade screwdriver for wire connections
2. 1/4” Flat blade screwdriver for top lid screws
Recommended:
DVM for test purposes
(4) #6 - 20 x 3/4” self-drilling screws included,
Sensing edge (sold separately)
TOP LID
SCREWS
AA LITHIUM
BATTERIES
Fig. 2-6 WIRE CONNECTION TO
TERMINAL BLOCK
STRAIN RELIEF
CABLE FITTING
TERMINAL
BLOCK
Safety Edge
Connection
9 POLE,
3 POSITION
CODING SWITCH
TRANSMITTER ENCLOSURE
Shown with Optional Alarm
TEST BUTTON
GREEN TX
LED INDICATOR
(-)
(-)
(+)
(+)
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